Capital Weather Gang: Climate Change
Posted at 09:55 AM ET, 03/14/2013
By Jason Samenow
Just a few degrees was the difference between bare ground and a winter wonderland in D.C.’s urban core last week. Would the storm, which was a disappointment to so many Washingtonian snow lovers, have played out differently had it occurred 100 years ago? Historical data say yes.
By Jason Samenow |
09:55 AM ET, 03/14/2013 |
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Posted at 12:04 PM ET, 02/28/2013
By Jason Samenow
The current solar maximum, the high point in the sun’s activity over an 11-year cycle, is the lowest in over 100 years
NASA says. Scientists speculate solar activity may decline further in the coming decades. Could a quieting sun cause the climate to cool enough to stall or even reverse global warming from the build-up of greenhouse gases? Leading climate scientists say no, the effect of the sun is too small.
By Jason Samenow |
12:04 PM ET, 02/28/2013 |
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Posted at 04:12 PM ET, 02/21/2013
By Jason Samenow
Prior to 1970, temperatures in Maryland and Virginia had been more or less flat over the course of the 20th century. But since that time, they have climbed sharply, warming about 2.5 degrees F - part of an abrupt steepening in the rise of nationwide winter temperatures.
By Jason Samenow |
04:12 PM ET, 02/21/2013 |
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Posted at 11:19 AM ET, 02/20/2013
By Jason Samenow
Does it seem like snowfall is exhibiting manic behavior - lashing out with paralyzing blizzards one winter and retreating with piddling dustings the next?
By Jason Samenow |
11:19 AM ET, 02/20/2013 |
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Posted at 04:02 PM ET, 02/15/2013
By Jason Samenow
By Jason Samenow |
04:02 PM ET, 02/15/2013 |
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Posted at 02:07 PM ET, 01/28/2013
By Steve Tracton
In a paper published this week in the journal Nature Climate Change, scientists conclude that heat from energy use in large urban areas can collectively alter the character of the jet stream and other major atmospheric systems.
By Steve Tracton |
02:07 PM ET, 01/28/2013 |
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Posted at 12:09 PM ET, 01/14/2013
By Jason Samenow
Washington, D.C. just experienced its warmest year on record, and its three hottest summers in as many years. The message from the draft of a newly released federal report? Get used to it.
By Jason Samenow |
12:09 PM ET, 01/14/2013 |
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Posted at 02:21 PM ET, 01/10/2013
By Jason Samenow
Four of Australia’s hottest 10 days on record have occurred this young calendar year and another punishing round of heat is on the way.
By Jason Samenow |
02:21 PM ET, 01/10/2013 |
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Posted at 02:52 PM ET, 01/04/2013
By Jason Samenow
Too much is being made of recent snow cover records established in the U.S. and northern hemisphere.
By Jason Samenow |
02:52 PM ET, 01/04/2013 |
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Posted at 02:06 PM ET, 01/03/2013
By Jason Samenow
It’s amazing to watch 2012 warm weather records stream in at national, regional and local scales
By Jason Samenow |
02:06 PM ET, 01/03/2013 |
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Posted at 11:25 AM ET, 12/27/2012
By Matt Rogers
2012 was a year of crazy weather in Washington, D.C. from the nearly snowless winter to the summer’s scorching heat and high energy derecho to Superstorm Sandy. But the year will have yet another asterisk next to it for achieving perhaps the most remarkable milestone: warmest on record.
By Matt Rogers |
11:25 AM ET, 12/27/2012 |
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Posted at 11:34 AM ET, 12/18/2012
By Jason Samenow
November 2012 is the latest in a seemingly endless streak of warmer than average months around the globe. We are one third of the way to 1,000 straight warm months.
By Jason Samenow |
11:34 AM ET, 12/18/2012 |
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Posted at 03:26 PM ET, 12/06/2012
By Jason Samenow
Unless unprecedented cold suddenly sweeps down from the Arctic overtaking much of the Lower 48, the warmest year on record is an inevitability.
By Jason Samenow |
03:26 PM ET, 12/06/2012 |
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Posted at 01:41 PM ET, 12/06/2012
By Jason Samenow
Two heavyweight climate scientists have published very different ideas about how much the Earth is going to warm in the coming decades. And neither has much regard for the other’s estimate - casting light on a long-standing, thorny issue in climate science.
By Jason Samenow |
01:41 PM ET, 12/06/2012 |
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Posted at 04:41 PM ET, 12/04/2012
By Jason Samenow
Showtime is trumpeting a “documentary event” on its network slated for 2013 that will provide in-depth perspectives on climate change. Called Years of Living Dangerously, the series will involve some of Hollywoods top producers and several A-List actors
By Jason Samenow |
04:41 PM ET, 12/04/2012 |
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Posted at 12:43 PM ET, 11/16/2012
By Jason Samenow
An oft-referred to global warming projection is an increase in the frequency and intensity of droughts. But averaged over the globe, a new study published in Nature finds little change in drought over the past 60 years.
By Jason Samenow |
12:43 PM ET, 11/16/2012 |
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Posted at 11:12 AM ET, 11/15/2012
By Jason Samenow
The inconvenient truth on climate change and Sandy falls in the middle of two extreme views.
By Jason Samenow |
11:12 AM ET, 11/15/2012 |
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Posted at 01:04 PM ET, 11/08/2012
By Jason Samenow
After 16 straight months of above average temperatures in the Lower 48 states, October ended the streak. NOAA reports the average temperature was 0.3°F below average for the month.
By Jason Samenow |
01:04 PM ET, 11/08/2012 |
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Posted at 04:21 PM ET, 10/16/2012
By Jason Samenow
In 143 years of September records, only September 2005 could match the past month for warmth averaged around the globe. September 2012’s global temperature was 1.21 degrees (F) above the 20th average, tied for the warmest on record.
By Jason Samenow |
04:21 PM ET, 10/16/2012 |
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Posted at 12:08 PM ET, 10/11/2012
By Jason Samenow
Antarctic sea ice reached a record high extent of 7.51 million square miles in late September, about 20,000 square miles above the previous record from 2006.
By Jason Samenow |
12:08 PM ET, 10/11/2012 |
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Posted at 02:38 PM ET, 10/09/2012
By Jason Samenow
The first 9 months of 2012 were the warmest on record in the Lower 48 by a wide margin. The average temperature during this stretch was 3.8 degrees (F) above normal, and a full 1.2 degrees above the previous record (set in 2006), dating back to 1895.
By Jason Samenow |
02:38 PM ET, 10/09/2012 |
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Posted at 06:18 PM ET, 09/28/2012
By Jason Samenow
Almost two weeks ago, Arctic sea ice extent shrank to a stunning record low. Yet, at the other end of the planet, Anarctic sea ice is nearing or breaking records for largest extent.
By Jason Samenow |
06:18 PM ET, 09/28/2012 |
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Posted at 03:13 PM ET, 09/24/2012
By Jason Samenow
We already knew January-June land temperatures in the Northeast were warmest on record, now NOAA tells us temperatures in nearby coastal waters were also record-setting.
By Jason Samenow |
03:13 PM ET, 09/24/2012 |
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Posted at 12:14 PM ET, 09/24/2012
By Jason Samenow
The Arctic sea ice extent - as it reached its minimum September 18 - shattered the 2007 record low minimum, covering just half the area it did on average from 1979-2000. The Yale Forum on Climate Change and the Media produced an excellent video on the implications, worth a view...
By Jason Samenow |
12:14 PM ET, 09/24/2012 |
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Posted at 11:06 AM ET, 09/21/2012
By Jennifer Francis
Heat waves. Drought. Flooding. Cold spells. Wildfires. The climate system is changing before our very eyes, and there is no more glaring proof than the record-shattering loss of Arctic sea ice this summer
By Jennifer Francis |
11:06 AM ET, 09/21/2012 |
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Posted at 03:40 PM ET, 09/19/2012
By Jason Samenow
On Sunday, by an area about the size of Texas, Arctic sea ice extent shrunk below the previous record low established September 18, 2007.
By Jason Samenow |
03:40 PM ET, 09/19/2012 |
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Posted at 12:10 PM ET, 09/14/2012
By Jason Samenow
If you ever questioned summers are trending hotter, a NASA visualization offers compelling evidence to abandon such doubts.
By Jason Samenow |
12:10 PM ET, 09/14/2012 |
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Posted at 03:24 PM ET, 09/10/2012
By Jason Samenow
The heat in August couldn’t match July’s record-smashing intensity across the continental U.S.. But the summer as a whole - spanning the entire June-August period - ranked 3rd hottest on record, NOAA reports today.
By Jason Samenow |
03:24 PM ET, 09/10/2012 |
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Posted at 03:35 PM ET, 08/21/2012
By Jason Samenow
Ten years later, it appears that the Bush Administration’s goal to reduce greenhouse gas “intensity” by 18 percent has been met.
By Jason Samenow |
03:35 PM ET, 08/21/2012 |
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Posted at 02:15 PM ET, 08/17/2012
By Jack Williams
Greenland’s warmth this year has affected flight operations in and out since April.
By Jack Williams |
02:15 PM ET, 08/17/2012 |
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Posted at 01:11 PM ET, 08/13/2012
By Jason Samenow
When confronted with questions about links between climate change and severe storms, the answers scientists give are usually qualified, and thus seldom satisfying to those seeking a simple response. But that’s the reality, and the reasons are spelled out in great detail in a new study by many of the country’s leading climate and weather researchers.
By Jason Samenow |
01:11 PM ET, 08/13/2012 |
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Posted at 02:53 PM ET, 08/08/2012
By Jason Samenow
Temperatures so far this year are warmest on record locally and nationally, and it’s not even close. Year-to-date temperatures are on an entirely different level from past record-setting years.
By Jason Samenow |
02:53 PM ET, 08/08/2012 |
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Posted at 11:30 AM ET, 08/08/2012
By Jason Samenow
In 118 years of U.S. records, July 2012 stands as king, hotter than any month previously observed.
By Jason Samenow |
11:30 AM ET, 08/08/2012 |
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Posted at 10:11 AM ET, 08/02/2012
By J. Marshall Shepherd and John Trostel*
In the wake of punishing heat waves, historic droughts, extensive flooding and extraordinary melt activity on Greenland, many are asking if we are seeing long-predicted results of climate change, caused primarily by man-made heat-trapping greenhouse gas emissions. A recent opinion editorial in USA Today argues against linkages between extreme weather and climate change. There are several issues with the USA Today opinion piece that must be addressed.
By J. Marshall Shepherd and John Trostel* |
10:11 AM ET, 08/02/2012 |
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Posted at 02:42 PM ET, 07/31/2012
By Jason Samenow
New information has emerged suggestive of potential problems with the recent climate work by Richard Muller and Anthony Watts reinforcing the pitfalls in accepting their conclusions and further implicating them in scientifically questionable publicity stunts.
By Jason Samenow |
02:42 PM ET, 07/31/2012 |
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Posted at 10:15 AM ET, 07/30/2012
By Jason Samenow
High-profile climate change studies released by Richard Muller and Anthony Watts over the weekend represent concerted efforts to influence public perception about what we know about climate science. But neither have been published in a peer-reviewed publication and there is cause to question their legitimacy.
By Jason Samenow |
10:15 AM ET, 07/30/2012 |
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Posted at 01:10 PM ET, 07/27/2012
By Justin Grieser
A study says stronger storms could damage the ozone layer over the U.S.
By Justin Grieser |
01:10 PM ET, 07/27/2012 |
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Posted at 03:04 PM ET, 07/25/2012
By Jason Samenow
Since
NASA announced the Greenland ice sheet recently experienced “unprecedented” ice sheet surface melt, countless news reports, commentaries and critiques have attempted to explain what it means. Considering the range of perspectives on this event, let’s try to synthesize them and perhaps get a weigh-in on the gravity of this meltdown.
By Jason Samenow |
03:04 PM ET, 07/25/2012 |
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Posted at 03:17 PM ET, 07/17/2012
By Jason Samenow
A chunk of ice 46 square miles in area has parted from the Petermann glacier, which feeds into Nares straight along the northwest coast of Greenland.
By Jason Samenow |
03:17 PM ET, 07/17/2012 |
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Posted at 12:47 PM ET, 07/16/2012
By Jason Samenow
Globally, June was 4th warmest on record, NOAA announced today. And over the Northern Hemisphere, for the second consecutive month, temperatures were as warm as they’ve been in 133 years of records. Notably, the Arctic experienced its largest June sea ice loss since the start of satellite records in 1979.
By Jason Samenow |
12:47 PM ET, 07/16/2012 |
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Posted at 04:31 PM ET, 07/10/2012
By Jason Samenow
For some commentators, the recent heat wave signified nothing - other than a few extra drops of sweat. But the numbers reveal this heat wave was a rare event.
By Jason Samenow |
04:31 PM ET, 07/10/2012 |
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Posted at 01:18 PM ET, 07/10/2012
By Jason Samenow
Is climate change giving our weather just a little nudge to make setting heat records vastly more probable? That’s the opinion of one NOAA scientist.
By Jason Samenow |
01:18 PM ET, 07/10/2012 |
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Posted at 04:21 PM ET, 07/05/2012
By Jason Samenow
The June 29 derecho, which caused mass destruction from west of Chicago to east of Washington, D.C., blossomed to full fury in a record hot environment. Could the heat added to the atmosphere from manmade greenhouse gases have provided extra fuel to this explosive storm?
By Jason Samenow |
04:21 PM ET, 07/05/2012 |
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Posted at 01:14 PM ET, 06/28/2012
By Jason Samenow
When we discussed the role of weather yesterday in Colorado’s wildfires, we mentioned the historic, sweltering temperatures, the state-wide drought, low humidity, and gusty winds. But we neglected perhaps the key environmental contributor: the profound lack of spring snowpack across the state.
By Jason Samenow |
01:14 PM ET, 06/28/2012 |
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Posted at 10:40 AM ET, 06/21/2012
By Jason Samenow
From June 17 to 20, the arrowhead of Minnesota and northwest Wisconsin were inundated with 8-10 inches of rain. In Duluth, 7.24” of rain fell, the wettest two-day period on record. Massive flooding swept through the region.
By Jason Samenow |
10:40 AM ET, 06/21/2012 |
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Posted at 11:32 AM ET, 06/20/2012
By Jack Williams
For most of the mainland United States the meteorological seasons, agree more with temperatures than the astronomical seasons. But I came up with a more precise way to define seasons based on temperatures.
By Jack Williams |
11:32 AM ET, 06/20/2012 |
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Posted at 11:55 AM ET, 06/13/2012
By Jason Samenow
During the last two summers, wildfires have run rampant in the Southwest, setting record after record for size and destructiveness. It’s no coincidence that severe drought and much above normal temperatures have been occurring in these same areas - although land-management practices bear some responsibility as well.
By Jason Samenow |
11:55 AM ET, 06/13/2012 |
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Posted at 11:18 AM ET, 06/07/2012
By Jason Samenow
The period from June 2011 to May 2012 was the warmest 12-months since records began (in 1895) in the continental United States. It was also the warmest spring by a large margin.
By Jason Samenow |
11:18 AM ET, 06/07/2012 |
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Posted at 12:18 PM ET, 05/17/2012
By Jason Samenow
Some feel the argument that resources for weather forecasting are more important than for climate change prediction is an affront on the importance of climate change modeling and not helpful in advancing broader goals in advancing atmospheric science
By Jason Samenow |
12:18 PM ET, 05/17/2012 |
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Posted at 12:54 PM ET, 05/15/2012
By Jason Samenow
After the globe’s coolest March since 1999, April heated back up, closing as the 5th warmest on record since 1881 NOAA reported today.
By Jason Samenow |
12:54 PM ET, 05/15/2012 |
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Posted at 12:02 PM ET, 05/14/2012
By Jason Samenow
More than a week after it was abandoned, the Heartland Institute controversial campaign - linking global warming belief with mass murder - continues drawing strong reactions.
By Jason Samenow |
12:02 PM ET, 05/14/2012 |
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Posted at 02:16 PM ET, 05/10/2012
By Jason Samenow
Of a possible $1.4 billion dollars in proposed spending cuts in the Departments of Commerce and Justice for 2013, the U.S. House Representatives voted to approve none of them. None of them except a piddly $542,000 for a NOAA climate website.
By Jason Samenow |
02:16 PM ET, 05/10/2012 |
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Posted at 12:45 PM ET, 05/08/2012
By Jason Samenow
Dating back to 1895, never has the U.S. strung together 12 straight months warmer than May 2011 to April 2012 according to new data released today by NOAA’s National Climatic Data Center (NCDC) .
By Jason Samenow |
12:45 PM ET, 05/08/2012 |
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Posted at 11:30 AM ET, 05/04/2012
By Jason Samenow
Do you believe global warming is real, poses risks to the environment, and needs to be addressed? The Heartland Institute, a think-tank based in Chicago which has promoted climate skepticism, wants you to know you’re in some sinister company.
By Jason Samenow |
11:30 AM ET, 05/04/2012 |
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Posted at 01:54 PM ET, 04/30/2012
By Jason Samenow
Over the weekend, baseball announcer Tim McCarver became the source of ridicule when he blamed global warming as a reason for the increase in home run totals in recent years. But it was the criticism of McCarver rather than McCarver’s comment that was over the top.
By Jason Samenow |
01:54 PM ET, 04/30/2012 |
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Posted at 01:49 PM ET, 04/25/2012
By Jason Samenow
Has global warming stopped since the turn of the millennium? Yes - if you examine the data in a vacuum. But has the warming pressure on the atmosphere from man-made greenhouse gases stopped? No - not at all. A closer look at the data bears that out.
By Jason Samenow |
01:49 PM ET, 04/25/2012 |
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Posted at 01:01 PM ET, 04/24/2012
By Jason Samenow
Record warmth torched the eastern two-thirds of the U.S. during March while the West shivered. Now, the West is getting its own dose of historic heat.
By Jason Samenow |
01:01 PM ET, 04/24/2012 |
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Posted at 04:24 PM ET, 04/18/2012
By Jason Samenow
Most Americans get it: global warming is intensifying heat waves and extreme precipitation to some degree. That’s the take away from a new public opinion survey from the Yale Project on Climate Change Communication and George Mason University Center for Climate Change Communication.
By Jason Samenow |
04:24 PM ET, 04/18/2012 |
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Posted at 10:03 AM ET, 04/09/2012
By Jason Samenow
For much of the U.S., 2012 was the year without a winter. NOAA announced today that not only was the March the warmest on record in the U.S., but so too was the entire January-February-March period.
By Jason Samenow |
10:03 AM ET, 04/09/2012 |
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Posted at 10:55 AM ET, 04/03/2012
By Jason Samenow
Meteorologist Paul Douglas, CEO of broadcast weather and founder of several companies, in his essay “A Message from a Republican Meteorologist on Climate Change” pleas with members of his party to trust climate scientists when they say human-caused climate change is happening and having profound effects on our weather and the environment. Here are some key excerpts, followed by my reaction...
By Jason Samenow |
10:55 AM ET, 04/03/2012 |
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Posted at 10:53 AM ET, 03/20/2012
By Jason Samenow
Real-world data support the overall idea that the D.C.’s March climate is warming and the blosssoms’ bloom dates are shifting earlier in response.. How do the historic changes fit in with future projections?
By Jason Samenow |
10:53 AM ET, 03/20/2012 |
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Posted at 11:28 AM ET, 03/14/2012
By Jason Samenow
Sea level rise resulting from global warming will dramatically increase the risk of storm surge flooding in Washington, D.C. and along much of the U.S. coast, according to a new report from Climate Central. The report, “Surging Seas” describes the risk of exceeding established flood levels by 2030, when taking projected sea level rise into account.
By Jason Samenow |
11:28 AM ET, 03/14/2012 |
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Posted at 05:17 PM ET, 02/16/2012
By Patricia Sullivan and Jason Samenow
Since 2006, nine in 10 Virginians and four in 5 Americans, have lived through extreme weather events ranging from unusually severe blizzards to torrential tropical storms. A new report from Environment America, tailored to local areas, warns that global warming could lead to similar disasters becoming more common in the future.
By Patricia Sullivan and Jason Samenow |
05:17 PM ET, 02/16/2012 |
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Posted at 02:00 PM ET, 02/13/2012
By Andrew Freedman
A new study on melting glaciers and ice caps has received quite a bit of press attention, some of it rather confusing. While the paper (technically a letter) published in the journal Nature, concluded that glaciers and ice caps worldwide lost about 4.3 trillion tons of mass between 2003-2010 - enough to cover the entire United States with water 1.5 feet deep - there were some regions where glaciers and ice caps did not lose nearly as much ice as previously thought.
By Andrew Freedman |
02:00 PM ET, 02/13/2012 |
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Posted at 04:10 PM ET, 02/10/2012
By Jason Samenow
During baseball’s steroid era, homerun numbers surged to astronomical levels, but that didn’t prevent some of the sport’s juiced sluggers from occasionally striking out. The University Center for Atmospheric Research wants the public to understand this concept as it pertains to global warming and our weather records.
By Jason Samenow |
04:10 PM ET, 02/10/2012 |
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Posted at 12:28 PM ET, 01/30/2012
By Andrew Freedman
The so-called “missing heat” in the climate system may not have been missing in the first place, according to a new study.
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12:28 PM ET, 01/30/2012 |
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Posted at 03:54 PM ET, 01/27/2012
By Jason Samenow
Planting zones are retreating north all over the country, but the United States Department of Agriculture (USDA) won’t state the obvious: the shift is a rock solid indicator of climate change.
By Jason Samenow |
03:54 PM ET, 01/27/2012 |
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Posted at 11:45 AM ET, 01/25/2012
By Andrew Freedman
While the number of billion-dollar disasters offers insight into the increasing economic consequences of extreme weather in the United States, it does not allow us to make any firm conclusions about global warming, nor does it provide much clarity on the question of whether global warming is causing more losses from natural disasters.
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11:45 AM ET, 01/25/2012 |
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Posted at 01:30 PM ET, 01/23/2012
By Jason Samenow
If you present the weather on TV and you reject global warming is the result of human activities, the spotlight on you is hotter than ever. But the attention is a colossal waste of energy.
By Jason Samenow |
01:30 PM ET, 01/23/2012 |
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Posted at 04:24 PM ET, 01/19/2012
By Jason Samenow
Cooler than average waters in the equatorial Pacific, symptomatic of a moderately strong La Nina pattern, stopped 2011 from besting 2010’s El Nino-fueled near-record global warmth. But of the La Nina years on record, 2011 ranked as the warmest according to data from NOAA and NASA.
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04:24 PM ET, 01/19/2012 |
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Posted at 10:42 AM ET, 01/17/2012
By Andrew Freedman
Global warming-related sea level rise constitutes a major threat to the nation’s capital, with the potential to inundate national monuments, museums, military bases, and parts of the Metro Rail system during the next several decades and beyond, according to a recent study published in the journal “Risk Analysis.” The study helps localize a problem that is more typically discussed at the global level, and makes clear that public officials must make decisions in the near-term in order to minimize future losses.
By Andrew Freedman |
10:42 AM ET, 01/17/2012 |
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Posted at 02:14 PM ET, 01/12/2012
By Jason Samenow
Capital Weather Gangand many major media outlets, using information from NOAA, have reported 2011 set a record for most billion dollar weather disasters in the U.S. But a professor at the University of Colorado says NOAA’s information - the basis for the record - is “extremely misleading.”
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02:14 PM ET, 01/12/2012 |
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Posted at 04:55 AM ET, 01/12/2012
By Jason Samenow
Now, it’s official. 2011 - through its entirety - was record-setting for extreme precipitation in the U.S. dating back 100 years.
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04:55 AM ET, 01/12/2012 |
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Posted at 02:41 PM ET, 01/04/2012
By Andrew Freedman
2011 was an extraordinarily turbulent year for the climate system. The U.S. saw a series of record busting extremes, from a devastating tornado season to an epic drought. The fusillade of extreme events kept global warming in the public conversation even as it slipped to the bottom of the public’s list of concerns in the face of a grim economy. Studies and developments in the emerging area of extreme event attribution top the list of the top climate change stories of 2011.
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02:41 PM ET, 01/04/2012 |
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Posted at 10:55 AM ET, 12/29/2011
By Justin Grieser
Earlier this week, we looked at the
top five extreme weather events to impact the U.S. this year. Not confined to any particular borders, Mother Nature also brought extreme conditions to other parts of the world in 2011, including deadly storms, flooding and prolonged drought. Globally, extreme weather events were responsible for tens of thousands of deaths, not to mention billions of dollars in damages. Let’s take a look at the top 5 extreme weather events to occur outside the U.S. in 2011.
By Justin Grieser |
10:55 AM ET, 12/29/2011 |
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Posted at 10:49 AM ET, 12/27/2011
By Andrew Freedman
In a year marked by a relentless assault of extreme weather, several events stand out. Some, like the tornado that leveled Joplin, Missouri on May 22, were extraordinarily devastating and deadly. Others, such as the “Snowtober” storm that buried the Northeast under a crushing load of heavy, wet snow were downright freakish. In a typical weather year, one might expect a few extreme events like these.
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10:49 AM ET, 12/27/2011 |
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Posted at 12:24 PM ET, 12/20/2011
By Andrew Freedman
Scientists make some questionable claims about what satellite data shows regarding the warming planet, prompting other climate scientists to note their long track of research errors.
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12:24 PM ET, 12/20/2011 |
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Posted at 01:02 PM ET, 12/14/2011
By Jason Samenow
Capital Weather Gang’s winter weather expert yesterday became the grinch who announced White Christmas odds in D.C. are even lower than usual this year. Does he still think that today, do others agree, and is global warming changing the odds of a White Christmas?
By Jason Samenow |
01:02 PM ET, 12/14/2011 |
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Posted at 12:17 PM ET, 12/12/2011
By Andrew Freedman
A new study clearly shows that contrary to a key argument put forward by climate change skeptics, global warming has continued unabated since 1998. The paper strips out the influence of natural climate factors from the most widely-used temperature datasets, revealing what the researchers call “the true global warming signal”, which they say is mostly due to human activities.
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12:17 PM ET, 12/12/2011 |
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Posted at 11:00 AM ET, 12/05/2011
By Andrew Freedman
Rapid Arctic climate change, with its associated loss of sea ice and ecological impacts, may already be influencing weather and climate patterns in the Northern Hemisphere.
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11:00 AM ET, 12/05/2011 |
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Posted at 09:56 AM ET, 11/28/2011
By Andrew Freedman
New research takes some of the most dire global warming projections off the table. A study published last week in the journal Science concludes that the more extreme climate change scenarios, which involve temperature increases of up to 10°F are implausible. Instead, the study finds, we are likely in the midst of a more manageable, but still potentially dangerous, shift in the planet’s climate.
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09:56 AM ET, 11/28/2011 |
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Posted at 06:39 PM ET, 11/22/2011
By Jason Samenow
Two years ago, much was made about the unauthorized release of thousands of emails featuring private conversations between a group of climate scientists. Dubbed Climategate, these emails showed a few climate scientists being irritable and clubby, and - in the eyes of some - controlling and even deceptive. Some research suggests the ClimateGate episode lowered the public’s trust in climate science and their belief in man-made global warming. In a seeming effort to take another swing at the integrity of climate science, a second crop of emails was anonymously released today, apparently from the same place as 2009: Britain’s University of East Anglia. The “new” emails - while trumpeted by some climate skeptics as “spectacular” and draining life from the manmade global warming movement - mean little substantively from a scientific standpoint, just like the set that preceded them
By Jason Samenow |
06:39 PM ET, 11/22/2011 |
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Posted at 11:00 AM ET, 11/21/2011
By Andrew Freedman
Among the long list of billion dollar weather-related disasters during 2011, there is one event that is still ongoing, with no end in sight, its economic ramifications growing with each passing day. The Texas drought - already the Lone Star State’s worst one-year drought on record - is now expected to last through at least next summer, and perhaps far longer than that, according to the latest climate projections released by NOAA’s Climate Prediction Center and recent testimony by the Texas state climatologist.
By Andrew Freedman |
11:00 AM ET, 11/21/2011 |
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Posted at 10:54 AM ET, 11/18/2011
By Jason Samenow
A report from 220 of the world’s leading climate scientists cautions climate change may bring “unprecendented extreme weather and climate events” in the coming decades. The report by the United Nations Intergovermental Panel on Climate Change makes clear that warm weather extremes and heavy precipitation events have increased, most likely as a result of manmade climate change. And it projects with a high degree of confidence increasing hot weather and heavy downpours in the future.
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10:54 AM ET, 11/18/2011 |
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Posted at 02:13 PM ET, 11/17/2011
By Andrew Freedman
James Hansen, NASA’s chief climate scientist, writes in a new analysis that the burning of fossil fuels has already loaded the “climate dice” in favor of extreme weather and climate events, such as extremely hot summers. If emissions of greenhouse gases are not sharply and swiftly curtailed, he and his colleagues say, all of the sides of the dice will be painted “red”, for “hot.”
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02:13 PM ET, 11/17/2011 |
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Posted at 03:20 PM ET, 11/15/2011
By Jason Samenow
Last month, University of California-Berkeley professor Richard Muller announced his team’s new analysis of temperature records demonstrated 1.8 degrees (F) of land warming since the 1950s. Consistent with these results, the data from NOAA for October 2011 show much above average land temperatures.
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03:20 PM ET, 11/15/2011 |
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Posted at 10:30 AM ET, 11/07/2011
By Andrew Freedman
NASA researchers flying low over Antarctica’s vast, frozen landscape recently stumbled across a rare event in progress: the calving of a massive iceberg from one of Antarctica’s largest and fastest-moving glaciers. The scientists, who were taking part in NASA’s “Operation IceBridge,” were able to fly a follow-up mission above the rift in the Pine Island Glacier to gather unprecedented airborne measurements of the process of forming an iceberg larger than the city of New York.
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10:30 AM ET, 11/07/2011 |
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Posted at 11:39 AM ET, 11/01/2011
By Jason Samenow
Was the weekend’s “epic” storm in the Northeast part of a long-term trend? It’s certainly not inconsistent with the region’s experience in recent years. Data from the National Climatic Data Center indicate heavy cold season (October to March) precipitation events are intensifying.
By Jason Samenow |
11:39 AM ET, 11/01/2011 |
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Posted at 11:33 AM ET, 10/24/2011
By Andrew Freedman
During the past several years, skeptics of manmade global warming have focused their attention on the reliability of the modern surface temperature record, which according to numerous studies, shows a distinct warming trend starting in the middle of the 20th century, and continuing through the present day.
By Andrew Freedman |
11:33 AM ET, 10/24/2011 |
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Posted at 11:45 AM ET, 10/17/2011
By Andrew Freedman
Following 2010, which tied 2005 as the warmest year on record, this year is on track to be considerably cooler, although still unusually warm. Global average surface temperatures for the January through September period were the 11th warmest such period on record, according to new data. The return of La Nina conditions in the tropical Pacific Ocean makes it unlikely that the year will rival last year’s record warmth, although it will continue the streak of consecutive years with warmer than average conditions.
By Andrew Freedman |
11:45 AM ET, 10/17/2011 |
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Posted at 12:50 PM ET, 10/14/2011
By Andrew Freedman
A climate scientist in Texas is accusing Governor Rick Perry’s administration of politically motivated editing of a scientific report. The report raises the question: would a President Perry be a repeat of George W. Bush when it comes to interfering with climate science research? The signals are mixed.
By Andrew Freedman |
12:50 PM ET, 10/14/2011 |
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Posted at 03:24 PM ET, 10/12/2011
By Jason Samenow
On October 27, NASA will launch the next generation weather and climate satellite. Known as the National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (or, to save some syllables, NPP), the satellite spacecraft, roughly the size of mini-van, will orbit at an altitude of 512 miles above the Earth’s surface. The data it beams back to Earth will help improve understanding of both global change and weather prediction.
By Jason Samenow |
03:24 PM ET, 10/12/2011 |
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Posted at 10:55 AM ET, 10/04/2011
By Andrew Freedman
According to research published in the journal Nature this week, the largest ozone “hole” on record above the Arctic opened up last winter, exposing residents of the Far North to high doses of harmful ultraviolet (UV) radiation, which can cause skin cancer and cataracts. The area of severe ozone loss extended southward from the Arctic to cover populated areas in northern Russia, Greenland and Norway.
By Andrew Freedman |
10:55 AM ET, 10/04/2011 |
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Posted at 11:00 AM ET, 09/26/2011
By Andrew Freedman
A new study examines a fundamental barrier to effective climate science communication: differences in the leading personality types of climate scientists compared to the public. The paper identifies personality type differences between Ph.D. climate researchers and the general public. Researchers hope to use this insight to improve the effectiveness of climate change communication.
By Andrew Freedman |
11:00 AM ET, 09/26/2011 |
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Posted at 12:06 PM ET, 09/19/2011
By Andrew Freedman
The United States has suffered from a record number of billion dollar natural disasters this year, from the Mississippi and Missouri River flooding to Hurricane Irene and the Texas drought. With each of these events, many have wondered - did climate change have anything to do with this? Now, climate scientists are considering the launch of an ambitious project to push “extreme event attribution” studies forward.
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12:06 PM ET, 09/19/2011 |
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Posted at 03:30 PM ET, 09/15/2011
By Jason Samenow
NOAA announced today that August was globally the eighth warmest on record, about one degree above the 20th century average. It also reported the June through August period was 7th warmest on record. June through August temperatures have been warmer than average across the globe for 35 straight years (since 1976). Meanwhile, the National Snow and Ice Data Center (NSIDC) made the preliminary announcement that Arctic ice “appears to have reached its lowest extent for the year.” On September 9, Arctic sea ice extent fell to 4.33 million square kilometers, about 2 million square kilometers below average, second only in minimum extent to 2007 in the satellite record (1979 to present).
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03:30 PM ET, 09/15/2011 |
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Posted at 02:07 PM ET, 09/14/2011
By Jason Samenow
Arctic sea ice continues a long-term melting trend, setting new record lows for both volume and extent.
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02:07 PM ET, 09/14/2011 |
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Posted at 03:15 PM ET, 09/12/2011
By Jason Samenow
On Thursday, September 8, Ft. Belvoir received an astounding 7.03” of rain in three hours. According to the National Weather Service (NWS), that amount of rain in that amount of time was an “off the charts above a 1000-year rainfall (based on precip frequency from Quantico).”
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03:15 PM ET, 09/12/2011 |
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Posted at 02:15 PM ET, 09/12/2011
By Andrew Freedman
Residents of hard-hit communities in northeastern Pennsylvania and areas of neighboring New York State began the long recovery process following devastating flooding from the remnants of Tropical Storm Lee. The Susquehanna River continued receding after setting new all-time records in Binghamton, New York and Wilkes-Barre, Pennsylvania. The storm is being blamed for seven deaths in Pennsylvania, where rainfall amounts reached more than 15 inches in Lancaster County.
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02:15 PM ET, 09/12/2011 |
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Posted at 12:30 PM ET, 09/06/2011
By Andrew Freedman
Swift-moving wildfires killed two in Texas this weekend and burned thousands of acres, as the impacts of the worst one-year drought in state history continue to escalate. The drought is expected to cost several billion dollars, mainly from agricultural impacts. Texas Governor Rick Perry, a leading contendor for the Republican presidential nomination, left the campaign trail this weekend to help coordinate response efforts in his home state.
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12:30 PM ET, 09/06/2011 |
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Posted at 11:30 AM ET, 08/16/2011
By Andrew Freedman
The heat this summer has been relentless in many parts of the country, particularly in the South Central states, where Oklahoma and Texas had their warmest months on record in July. In fact, as previously noted on this blog, Oklahoma’s statewide average temperature was the warmest monthly statewide average temperature ever recorded in the United States during any month. To learn more about how the extreme heat this summer may shed light on what we can expect as the world warms due to climate change, I turned to Noah Diffenbaugh, a researcher at Stanford’s Woods Institute for the Environment.
By Andrew Freedman |
11:30 AM ET, 08/16/2011 |
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Posted at 02:00 PM ET, 08/10/2011
By Jason Samenow
Glaciers are receding around the world, one of many indicators of global warming. Many travelers head to Alaska to tour the majestic mountains of ice before they melt away. One group of tourists recently got too close to collapsing glacier. Watch the video below as the glacier shatters to shards...
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02:00 PM ET, 08/10/2011 |
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Posted at 02:55 PM ET, 08/09/2011
By Jason Samenow
There is no disputing D.C. summer climate has warmed markedly since record-keeping began in the late 1800s. There is an overall warming trend of about 3 degrees F per century - slightly greater at night and lower during the day. But what one might dispute is the cause.
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02:55 PM ET, 08/09/2011 |
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Posted at 02:15 PM ET, 08/08/2011
By Jason Samenow
The impacts of a sweltering July extended well beyond the eastern two-thirds of the continental U.S. Both the extent and volume of ice in the Arctic were lowest on record for the month according to data and estimates from the National Snow and Ice Data Center and Polar Science Center.
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02:15 PM ET, 08/08/2011 |
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Posted at 10:30 AM ET, 07/25/2011
By Andrew Freedman
The intense heat wave of 2011 will long be remembered for its brutal combination of high heat and humidity. The geographic extent of the heat wave was highly unusual, with temperatures of 100 degrees Fahrenheit or greater stretching — and heat indices much higher than that — stretching from Texas to North Dakota, and eastward all the way to Maine.
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10:30 AM ET, 07/25/2011 |
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Posted at 10:50 AM ET, 07/18/2011
By Andrew Freedman
A life-threatening heat wave is scorching a vast stretch of the country, from Texas to North Dakota, with temperatures above 100 degrees Fahrenheit and heat indices soaring as high as 126 F. The heat event will last all week, with the hottest weather slowly moving eastward into the mid-Atlantic by Wednesday, and sticking around into the weekend.
By Andrew Freedman |
10:50 AM ET, 07/18/2011 |
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Posted at 10:45 AM ET, 07/11/2011
By Andrew Freedman
There continues to be a dramatic schism dividing Americans. No, I’m not talking about contrasting ideas on what to do about the federal deficit, chronic unemployment, or which candidate to favor in the upcoming 2012 elections, divisive as these matters may be in Washington these days. Instead, I’m referring to the stark contrast between the precipitation “haves” and “have-nots” in this country, which is another divide that is getting wider with time. Several weeks ago, I called attention to the fact that, throughout this spring and early summer, many Americans have concurrently witnessed some of the worst flooding in recent memory and one of the worst droughts in their lifetimes. The stark juxtaposition of floods and drought is remarkable, and it’s showing no signs of abating. In fact, according to federal forecasters, flood risks are likely to remain high during the rest of the summer in parts of the Upper Midwest and West, while the drought hangs tough – or even intensifies its grip on a portion of the South.
By Andrew Freedman |
10:45 AM ET, 07/11/2011 |
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Posted at 11:50 AM ET, 07/05/2011
By Andrew Freedman
A new study published this week offering a fresh take on what may have driven a temporary, 10-year slowdown in global warming reinforces the scientific hypothesis that human activities are contributing to long-term global warming.
By Andrew Freedman |
11:50 AM ET, 07/05/2011 |
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Posted at 02:15 PM ET, 06/29/2011
By Jason Samenow
On July 1, NOAA will release its new climate normals, which serve as the basis for comparing current weather to recent history. For the past decade, the climate normals spanned 1971-2000. The new climate normals cover the period 1981-2010. And these new normals are warmer than the normals of the past. Over the United States, the normals have warmed 0.5 degree between the two periods.
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02:15 PM ET, 06/29/2011 |
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Posted at 03:45 PM ET, 06/28/2011
By Jason Samenow
Earlier today, NOAA released its annual “State of the Climate” report, describing trends in more than 40 climate variables through the year 2010. It clearly and objectively presents indisputable evidence that the Earth’s climate is warming. Or, as put in a briefing to press, the report shows a “consistent and unmistakable signal from the top of the atmosphere to the bottom of the oceans” that the world continues to warm.
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03:45 PM ET, 06/28/2011 |
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Posted at 01:15 PM ET, 06/27/2011
By Andrew Freedman
It’s that time of year again, when the air in the Mid-Atlantic feels more like soup, afternoon thunderstorms arrive with regularity, and when news of sweeping changes in a faraway region – the Arctic – tends to pick up. We’re now well into the seasonal Arctic sea ice melt season, and so far, sea ice has been tracking near or below the record low extent reached in 2007, when both the famed Northwest Passage and the Northern Sea Route were open for a time.
By Andrew Freedman |
01:15 PM ET, 06/27/2011 |
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Posted at 02:45 PM ET, 06/22/2011
By Jason Samenow
A short essay in the Bulletin of the American Meteorological Society caught my attention today. Written by atmospheric scientist Alan Betts, it advocated technical journal articles in the atmpospheric sciences be complemented by a mandatory non-technical version for the lay reader. What a refreshing idea!
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02:45 PM ET, 06/22/2011 |
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Posted at 11:20 AM ET, 06/20/2011
By Andrew Freedman
When it comes to weather, there’s a general notion that an extreme event in one location will be “balanced out” by an opposite, extreme event in another location. So if there’s a flood in the Mid-Atlantic, then at the same time you might expect a drought to be occurring on the West Coast of the US, or halfway around the world. And this drought might be connected to the flood in some way.
By Andrew Freedman |
11:20 AM ET, 06/20/2011 |
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Posted at 02:20 PM ET, 06/14/2011
By Jason Samenow
Firefighters in Arizona are reporting the Wallow fire, which has consumed nearly 470,000 acres, is now the most extensive in the state on record, surpassing the Rodeo Chediski fire of 2002. Experts project numerous factors have contributed to the fire’s severity, ranging from forest management practices to this year’s drought. Perhaps more troubling, a report from the National Academy of Sciences published last summer highlights research indicating climate warming as little as one degree celsius may lead to startling increases in wildfire impacts in the West.
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02:20 PM ET, 06/14/2011 |
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Posted at 10:30 AM ET, 06/14/2011
By Andrew Freedman
A new poll shows a slight increase in the percentage of Americans who say that global warming is occurring, but confusion lingers surrounding many of the details.
By Andrew Freedman |
10:30 AM ET, 06/14/2011 |
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Posted at 11:10 AM ET, 06/13/2011
By Jason Samenow
Regardless of what you think about global warming science, the video in this post is worth watching. It narrates Bill McKibben’s May 23 Washington Post op-ed on climate change and extreme weather, complementing it with a montage of stunning imagery.
By Jason Samenow |
11:10 AM ET, 06/13/2011 |
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Posted at 01:43 PM ET, 06/08/2011
By Jason Samenow
Any time it’s hot or hotter than average, the subject of global warming invariably arises. The usual question I hear is: Is this global warming (or climate change)? The answer I give is that global warming is not causing hot weather but almost certainly intensifying it.
By Jason Samenow |
01:43 PM ET, 06/08/2011 |
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Posted at 02:30 PM ET, 06/03/2011
By Brian Jackson
Back in August 2010, CWG helped break the story that a 97-square mile ice island had broken off from the Petermann Glacier in northwest Greenland. Since then, the massive chunk of ice has been on quite a journey: It hit the beach on a small island, broke up into many smaller pieces, and picked up some hitchhikers in the form of
iridium beacons used to track the pieces.
By Brian Jackson |
02:30 PM ET, 06/03/2011 |
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Posted at 11:45 AM ET, 06/02/2011
By Ann Posegate
Summer heat and humidity aren’t the only things to have arrived early in the D.C. area this year. Early last week, Capital Weather Gang commenters reported their first firefly spottings of the season. A warming climate has fireflies along with many other insects appearing earlier in the year than they used to. Recent trends also suggest a ‘renaissance’ of fireflies might be underway, with fireflies increasing not long after scientists feared they might be disappearing.
By Ann Posegate |
11:45 AM ET, 06/02/2011 |
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Posted at 10:00 AM ET, 05/25/2011
By Andrew Freedman
This year’s barrage of violent twisters has people asking questions about everything from the impact of climate change on tornadoes, to the accuracy and effectiveness of short-term severe weather warnings.
By Andrew Freedman |
10:00 AM ET, 05/25/2011 |
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Posted at 12:15 PM ET, 04/25/2011
By Andrew Freedman
Tornadoes have been descending from angry skies with a frequency that may become unmatched in official records of April twisters. Cities, small towns, rural hamlets - even international airports - have suffered severe damage. The atmosphere has been behaving like an unruly teenager, with 275 tornadoes recorded so far this month. What, if anything, might La Nina and global warming have to do with this?
By Andrew Freedman |
12:15 PM ET, 04/25/2011 |
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Posted at 03:00 PM ET, 04/13/2011
By Jason Samenow
For an number of years, NOAA has been working toward the development of a Climate Service. The premise of the Climate Service is that it would make climate information and data available in “accessible and timely” formats to assist people in making decisions. But in their Continuing Resolution for Fiscal Year 2011, Congress and the White House have blocked any funding for the effort.
By Jason Samenow |
03:00 PM ET, 04/13/2011 |
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Posted at 11:00 AM ET, 04/13/2011
By James Hurrell and guest contributor
For all the talk of this past winter being one for the record books, the reality is much different. While extremely cold conditions gripped some sections of the country at various times during the past few months, the winter of 2010-2011 actually served up temperatures that were just a little cooler than average over the entire contiguous United States. Records from thousands of weather stations across the lower 48 states from December through February show the past season did not even crack the coldest one-third of winters since 1895, when very reliable recordkeeping began. So why was there so much talk about it being so cold?
By James Hurrell and guest contributor |
11:00 AM ET, 04/13/2011 |
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Posted at 11:00 AM ET, 04/12/2011
By Andrew Freedman
Last week was a bewildering one for those who recognize the abundance of compelling scientific evidence showing that the climate system is changing, and that this is very likely due in part to human activities. While the news cycle was dominated by the down-to-the-wire budget negotiations in Washington, ongoing unrest in the Middle East, the nuclear crisis in Japan, a major congressional debate on climate change regulations took place in both the House and Senate that vividly demonstrated how far off the rails we’ve gone in public discourse of climate science and policy.
By Andrew Freedman |
11:00 AM ET, 04/12/2011 |
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Posted at 10:45 AM ET, 04/04/2011
By Andrew Freedman
Each month seems to bring new evidence of the transformation underway in the rapidly warming Arctic. Late last month, the National Snow and Ice Data Center (NSIDC)
announced that the maximum Arctic sea ice extent for 2011, which occurred on March 7, tied for the lowest such value since satellites began making observations in 1979.
By Andrew Freedman |
10:45 AM ET, 04/04/2011 |
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Posted at 02:00 PM ET, 03/22/2011
By Jason Samenow
Once a rare sight even in New England, harp seals native to the east coast of Canada and Greenland - have been seen this year as far south as the Delmarva and North Carolina beaches according to reports.
By Jason Samenow |
02:00 PM ET, 03/22/2011 |
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Posted at 01:45 PM ET, 03/18/2011
By Jason Samenow
A new study published in the journal Science indicates the extreme magnitude of the heat wave over Eastern Europe last summer probably made 2010 the hottest summer in Europe in more than 500 years.
By Jason Samenow |
01:45 PM ET, 03/18/2011 |
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Posted at 11:00 AM ET, 03/15/2011
By Andrew Freedman
The unauthorized release of thousands of emails between several prominent climate researchers in late 2009 - a scandal often referred to as climategate - caused a significant minority of television weathercasters to become increasingly doubtful that manmade climate change is occurring, and that climate scientists and the U.N. Intergovernmental Panel on Climate Change (IPCC) are reliable sources of information, according to a recent study.
By Andrew Freedman |
11:00 AM ET, 03/15/2011 |
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Posted at 06:21 PM ET, 03/07/2011
By Jason Samenow
February 2011 tied February 2005 for the lowest Arctic ice extent for the month in the satellite record since 1979. Including 2011, the February trend is now at -3.0 percent per decade.
By Jason Samenow |
06:21 PM ET, 03/07/2011 |
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Posted at 05:02 PM ET, 03/07/2011
By Jason Samenow
A rocket carrying an Earth-observation satellite is in the Pacific Ocean after a failed launch attempt, NASA officials said Friday.
By Jason Samenow |
05:02 PM ET, 03/07/2011 |
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Posted at 12:30 PM ET, 03/07/2011
By Andrew Freedman
Last Sunday, the Washington Post ran a provocative essay on the front page of the “Outlook” section by climate activist Mike Tidwell, executive director of the Chesapeake Climate Action Network. In it, Tidwell reveals the lengths to which he is going to prepare himself and his family for what he sees as the now inevitable consequences of climate change. For example, he is stockpiling food, testing guns, and invested in an emergency generator - all in an effort to stave off social unrest that he sees coming down the pike due to climate change-related extreme weather events. The essay is surprising - and completely wrong - in two main respects.
By Andrew Freedman |
12:30 PM ET, 03/07/2011 |
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Posted at 12:30 PM ET, 03/07/2011
By Andrew Freedman
Last Sunday, the Washington Post ran a provocative essay on the front page of the “Outlook” section by climate activist Mike Tidwell, executive director of the Chesapeake Climate Action Network. In it, Tidwell reveals the lengths to which he is going to prepare himself and his family for what he sees as the now inevitable consequences of climate change. For example, he is stockpiling food, testing guns, and invested in an emergency generator - all in an effort to stave off social unrest that he sees coming down the pike due to climate change-related extreme weather events. The essay is surprising - and completely wrong - in two main respects.
By Andrew Freedman |
12:30 PM ET, 03/07/2011 |
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Posted at 12:30 PM ET, 03/02/2011
By Jason Samenow
A day after the Union of Concern Scientists (UCS) - a non-profit environmental group - announced "Climate Change Makes Major Snowstorms More Likely", USA Today's Weather Editor Doyle Rice published an interesting story on possible linkages between U.S. snowstorms and global warming. Unfortunately, however, the headline USA Today chose to accompany the story "Scientists: Global warming to blame for big U.S. snowstorms" is scientifically dubious and grossly misleading.
By Jason Samenow |
12:30 PM ET, 03/02/2011 |
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Posted at 02:45 PM ET, 01/05/2011
By Jason Samenow
Do your politics impact your view of climate change science? Do gloom and doom predictions alter your opinions? Some recent articles in the LA Times and Nature explore these fascinating questions.
By Jason Samenow |
02:45 PM ET, 01/05/2011 |
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Posted at 10:15 AM ET, 01/05/2011
By Don Lipman
As the year, and the decade* have drawn to a close, many are looking back at the stand-out stories that have captured our attention. Instead, I've chosen to look ahead. But regardless of which side of the (political) fence you're on, take my little futuristic journey with a grain of salt. The various projections and assumptions are drawn from a variety of sources and are quite controversial, to say the least. Flash forward to December 2076, America's tercentennial (sometimes called tricentennial) year.
By Don Lipman |
10:15 AM ET, 01/05/2011 |
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Posted at 10:45 AM ET, 12/13/2010
By Andrew Freedman
As the start of the New Year rapidly approaches, you're going to hear conflicting news about whether 2010 was the warmest year in the instrumental record. The first salvo has already been fired.
On Friday, NASA reported that the "meteorological year" spanning from December 2009 to November 2010 was the warmest in that agency's 131 years of record keeping. Never mind that the meteorological year is relevant only to meteorologists - the news still made headlines.
By Andrew Freedman |
10:45 AM ET, 12/13/2010 |
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Posted at 10:15 AM ET, 12/08/2010
By Andrew Freedman
It's that time of year again - the holiday party season. Time to put on your favorite ugly holiday sweater, and carry on awkward banter with coworkers, friends and relatives. For an ordinary individual who works in a relatively noncontroversial field, holiday parties and other social events can be relatively carefree and fun occasions. But for those who work in a climate science-related discipline, these days such events are more like a series of conversational minefields.
By Andrew Freedman |
10:15 AM ET, 12/08/2010 |
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Posted at 10:30 AM ET, 11/24/2010
By Steve Tracton
When one thinks of dust storms, I suspect the mental images that appear include the Dust Bowl of the 1930s in the U.S., West African dust blowing over the Atlantic, and the desert environments of the Middle East, Australia, and China.
But I doubt Alaskan glaciers come to mind. Consider also the occurrence of glacial related dust storms in Iceland and a possible connection to global warming, and head-scratching might be the principle reaction.
By Steve Tracton |
10:30 AM ET, 11/24/2010 |
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Posted at 07:00 PM ET, 11/22/2010
By Jason Samenow
Take a look at this very well-produced update on La Nina and October temperatures from Climate Central, a nonprofit, collaborative group of scientists and communicators whose mission is "to create a bridge between the scientific community and the public, providing clear, honest, nonpartisan, and up-to-date information to help people make sound decisions about climate and energy."
By Jason Samenow |
07:00 PM ET, 11/22/2010 |
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Posted at 10:15 AM ET, 11/22/2010
By Andrew Freedman
A year ago at this time, while policymakers and journalists (including myself) were gearing up for the Copenhagen Climate Summit, a story began percolating in the blogosphere about a voluminous trove of stolen emails sent between prominent climate scientists. The emails purportedly contained evidence that climate scientists had fudged temperature data and interfered in reviews of studies that did not adhere to mainstream views of manmade climate change. As numerous investigations have found, the scientists involved in the emails did not commit scientific fraud, and the emails' scientific significance was negligible.
By Andrew Freedman |
10:15 AM ET, 11/22/2010 |
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Posted at 01:45 PM ET, 11/09/2010
By Jason Samenow
Andrew Freedman, in yesterday's piece Scientists launch climate science counter attacks yesterday, wrote "a majority of Americans already accept manmade climate change as a reality."
Capital Weather Gang's Matt Rogers challenged Freedman with the following comment:
Andrew, what is your source for this statement: "a majority of Americans already accept manmade climate change as a reality"?
By Jason Samenow |
01:45 PM ET, 11/09/2010 |
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Posted at 01:45 PM ET, 10/18/2010
By Jason Samenow
The first nine months of 2010 tied with the same period in 1998 for the warmest combined land and ocean surface temperature on record. The global average land surface temperature for January-September was the second warmest on record, behind 2007. The global ocean surface temperature for January-September was also the second warmest on record, behind 1998.
By Jason Samenow |
01:45 PM ET, 10/18/2010 |
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Posted at 11:00 AM ET, 10/18/2010
By Andrew Freedman
Poll points way ahead for climate change communication * Light rain chances: Full Forecast | Good pumpkin weather? * News flash: Americans are confused about global warming. Of course, that's not exactly earth-shattering news, considering the bevy of polling data released during the past year, much of which has shown...
By Andrew Freedman |
11:00 AM ET, 10/18/2010 |
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Posted at 11:00 AM ET, 10/14/2010
By Jason Samenow
Full of hot air, polarized rhetoric, and scandal - climate change science issues are boiling over - maybe even more than usual - on newspaper editorial pages and the blogosphere.
Climate Lens is a guided aggregation of recent climate change science news and voices for those interested in the intersection of weather, climate, politics, and the environment. I encourage reader participation by posting interesting news and views you've encountered in the comment area below.
By Jason Samenow |
11:00 AM ET, 10/14/2010 |
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Posted at 12:30 PM ET, 09/22/2010
By Capital Weather Gang
White House science advisor John Holdren made news when, in a recent presentation, he recommended describing the changes occurring to the Earth's climate as "global climate disruption" as opposed to "global warming." Holdren referred to the term global warming as a "(dangerous) misnomer."
By Capital Weather Gang |
12:30 PM ET, 09/22/2010 |
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Posted at 10:45 AM ET, 09/13/2010
By Andrew Freedman
Despite overwhelming scientific evidence that human activities are warming earth's climate and causing a range of harmful effects, climate science denialism is enjoying a dramatic resurgence in American political life. More candidates who simply do not believe Earth's climate is warming, or who hold the view that humans are not the primary cause of recent warming, may be elected this year than in any other election in recent memory.
By Andrew Freedman |
10:45 AM ET, 09/13/2010 |
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Posted at 11:00 AM ET, 08/16/2010
By Andrew Freedman
In an email interview during the weekend, Ostro shared his thoughts on climate change and extreme events, and what has convinced him that climate change is now manifesting itself in daily weather patterns.
By Andrew Freedman |
11:00 AM ET, 08/16/2010 |
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Posted at 11:00 AM ET, 07/19/2010
By Andrew Freedman
I recently came across a fascinating interview in Stanford Magazine with a prominent climate scientist there, Stephen Schneider, who has spent decades pondering and trying to improve climate science communication.
A professor of interdisciplinary environmental studies who has published widely on climate change, Schneider is the author of the 2009 book "Science as a Contact Sport." Recently, he has spoken out against the "political assaults" and hate speech that have been directed against him and some of his colleagues due to their climate research.
In the interview, Schneider makes a thought-provoking case that the blogosphere is fracturing, rather than unifying, the public when it comes to climate science and policy.
By Andrew Freedman |
11:00 AM ET, 07/19/2010 |
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Posted at 10:45 AM ET, 07/06/2010
By Andrew Freedman
I am acutely aware that it's hot outside, since the idea of writing a blog post on the ongoing heat wave, and the heat that preceded it in June, has caused me to start sweating. Well, that and the fact that it is ridiculously hot outside. Did I mention that it's hot out? I'm not sure if I did, since the heat is making me a bit woozy.
By Andrew Freedman |
10:45 AM ET, 07/06/2010 |
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Posted at 11:30 AM ET, 05/24/2010
By Andrew Freedman
Are poor hurricane season forecasts a reason to doubt climate science? A conservative Washington think tank believes the answer is yes, and they are using a monkey -- pardon me, "Dr. James Hansimian" -- to prove it. (The monkey's name, by the way, is a dig at well known NASA climate scientist James Hansen, who incidentally does not forecast hurricanes).
By Andrew Freedman |
11:30 AM ET, 05/24/2010 |
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Posted at 11:00 AM ET, 05/10/2010
By Andrew Freedman
The fallout from the so-called 'climategate' email affair has metastasized yet again, this time into a highly controversial investigation by Virginia Attorney General Ken Cuccinelli II, who is examining the research practices of a former University of Virginia climate scientist. The civil investigation seeks to determine whether Michael Mann, a prominent specialist in the planet's climate history who now directs the Earth Systems Science Center at Penn State University, violated Virginia's Fraud Against Taxpayers Act when he conducted research financed by the state of Virginia prior to leaving the faculty in 2005.
By Andrew Freedman |
11:00 AM ET, 05/10/2010 |
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Posted at 11:00 AM ET, 03/09/2010
By Andrew Freedman
* Enjoy today's sun before it's gone: Full Forecast | CWG T-Shirts! * * Snow pile watch | Polar opposite positions on snow * Following the uproar caused by 'climategate' and the finding of errors in parts of the U.N. Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report, scientists...
By Andrew Freedman |
11:00 AM ET, 03/09/2010 |
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Posted at 10:45 AM ET, 12/01/2009
By Andrew Freedman
* Rain tomorrow? Full Forecast | First snow chance | 2010 calendar * * Climate scientist at center of e-mail controversy to step down * The debate about the significance of hundreds of leaked personal e-mails between a handful of top climate scientists, which were stolen off a British Web...
By Andrew Freedman |
10:45 AM ET, 12/01/2009 |
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Posted at 12:15 PM ET, 11/24/2009
By Andrew Freedman
* Thanksgiving weather? Full Forecast | See photo contest winners * The climate science email scandal known to some as "climategate" continues to reverberate throughout the climate science and policy communities. Since the story broke late last week that the University of East Anglia's servers had been hacked into, spilling...
By Andrew Freedman |
12:15 PM ET, 11/24/2009 |
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Posted at 11:00 AM ET, 11/23/2009
By Andrew Freedman
* Damp Thanksgiving week: Full Forecast | Cruising the Atlantic * A scandal erupted in the world of climate science late last week after anonymous hackers posted years worth of selected private email correspondence between a handful of prominent climate scientists. The emails were stolen from a server at the...
By Andrew Freedman |
11:00 AM ET, 11/23/2009 |
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Posted at 10:45 AM ET, 11/10/2009
By Andrew Freedman
* Ida brings shower chances: Full Forecast | Enter our photo contest * In September, I wrote a column arguing that President Obama should give a high-profile speech on climate science to raise sagging public awareness of scientific findings, and to increase support for taking action to reduce greenhouse-gas emissions....
By Andrew Freedman |
10:45 AM ET, 11/10/2009 |
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Posted at 11:00 AM ET, 10/21/2009
By Andrew Freedman
Weekend events in D.C. and worldwide * Sunshine now, but for how long? Full Forecast | Earthquake weather * The Maldives government holds a recent cabinet meeting underwater to call attention to threats posed by climate change. Credit: AFP/Ho. As countries make final preparations to negotiate a new climate treaty...
By Andrew Freedman |
11:00 AM ET, 10/21/2009 |
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Posted at 10:45 AM ET, 09/21/2009
By Andrew Freedman
* Staying Warm: Full Forecast | Obama Should Make a Climate Speech * In a sign of determination mixed with desperation, world leaders will gather in New York tomorrow for a United Nations-sponsored forum on climate change that is aimed at jump-starting the stalled negotiations of a new global climate...
By Andrew Freedman |
10:45 AM ET, 09/21/2009 |
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Posted at 11:00 AM ET, 09/17/2009
By Dan Stillman
* Full Forecast Through Weekend | Summer or Fall: Which Is It? * If you think the health care debate is heated -- just wait. Climate change looms as the next hot topic in this nation's political discourse, especially as Congress considers legislative action to cap U.S. greenhouse-gas emissions and...
By Dan Stillman |
11:00 AM ET, 09/17/2009 |
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Posted at 10:30 AM ET, 08/24/2009
By Andrew Freedman
* A Very Warm Week: Full Forecast | NatCast * Washington, DC like Orlando from Climate Central on Vimeo. August in the Mid-Atlantic is notorious for its heat and humidity, which has long driven an annual exodus of official and unofficial Washington to cooler destinations. It's no accident; after all,...
By Andrew Freedman |
10:30 AM ET, 08/24/2009 |
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Posted at 10:30 AM ET, 07/31/2009
By Andrew Freedman
* Severe T-Storm Watch: Full Forecast | A Good Time to Watch Clouds * * Outside Now? Radar, Temps, Clouds & More: Weather Wall * The idiosyncratic summer of 2009 continues, with the Pacific Northwest experiencing an extremely unusual heat wave this week that may be a sign of things...
By Andrew Freedman |
10:30 AM ET, 07/31/2009 |
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Posted at 10:30 AM ET, 07/20/2009
By Andrew Freedman
* Moisture Moves Back Into Town: Full Forecast | NatCast * "Global warming: our best guess is likely wrong," declared the headline of a press release from Rice University in Texas last week. The release, concerning a study on an abrupt climate event that occurred about 55.5 million years ago,...
By Andrew Freedman |
10:30 AM ET, 07/20/2009 |
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Posted at 01:00 PM ET, 06/25/2009
By Capital Weather Gang
* Full Forecast | NatCast | Lightning Safety | Cars w/ Weather Names * In response to a June 18 commentary by CWG's Steve Tracton critical of a recent climate conference sponsored by the Heartland Institute, Heartland's senior fellow for environmental policy, James Taylor, has challenged Tracton's assertion that the...
By Capital Weather Gang |
01:00 PM ET, 06/25/2009 |
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Posted at 11:00 AM ET, 06/17/2009
By Ann Posegate
* Summer Interrupted: Full Forecast | Outside Now? Weather Wall * * WaPo: Report on Warming Offers New Details | Green Section * Yesterday, the United States Global Change Research Program (USGCRP) released the most thorough report ever written on the current and predicted future impacts of climate change in...
By Ann Posegate |
11:00 AM ET, 06/17/2009 |
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Posted at 10:30 AM ET, 06/01/2009
By Andrew Freedman
* Week Starts Sunny, To Turn Stormy: Full Forecast * A report released last week claiming that climate change is responsible for an estimated 300,000 deaths per year worldwide has raised some interesting questions regarding the societal impacts from climate change. It has come under fire from some experts in...
By Andrew Freedman |
10:30 AM ET, 06/01/2009 |
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Posted at 11:00 AM ET, 05/11/2009
By Andrew Freedman
* Cool and damp, but dry weather to return: Full Forecast * "Climate scientists have begun to feel like a bunch of Noahs - thousands of Noahs," University of Victoria in British Columbia climate scientist Andrew Weaver told the British science journal Nature, in an article in its April 30...
By Andrew Freedman |
11:00 AM ET, 05/11/2009 |
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Posted at 10:30 AM ET, 05/04/2009
By Andrew Freedman
* A Wet Start to Week: Full Forecast | NatCast * Extratropical Cyclones near Iceland posted by NASA on January 2, 2007. Voted by Earth Observatory readers as a "top 10" image. Last week marked the 10th anniversary of NASA's Earth Observatory, which is one of the best places on...
By Andrew Freedman |
10:30 AM ET, 05/04/2009 |
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Posted at 10:30 AM ET, 04/20/2009
By Andrew Freedman
* Rainy Start to Week: Full Forecast * Every time I am asked if I "believe in global warming," I am reminded of the communications challenge that faces us when confronted with complex issues such as climate change. As detailed in this week's cover story in the New York Times...
By Andrew Freedman |
10:30 AM ET, 04/20/2009 |
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Posted at 10:30 AM ET, 04/13/2009
By Andrew Freedman
Linking global warming and weather a sticky issue * Increasing Clouds, Rain Tonight: Full Forecast | NatCast * Two recent extreme events - record flooding in Fargo, North Dakota, and deadly drought-related wildfires in southern Australia - have again highlighted the question of how journalists should portray the relationship between...
By Andrew Freedman |
10:30 AM ET, 04/13/2009 |
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Posted at 11:00 AM ET, 04/02/2009
By Steve Tracton
* Nice Weekend? Full Forecast | Cherry Blossom Coverage * An increasing number of prominent climate scientists and environmentalists (e.g., here and here) are expressing concerns that the point of no return -- when even the most extreme measures to reduce greenhouse gas emissions will be inadequate to reverse many...
By Steve Tracton |
11:00 AM ET, 04/02/2009 |
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Posted at 10:30 AM ET, 03/30/2009
By Andrew Freedman
NASA's Hansen clashes with famous physicist on climate * Dry Start to Work Week: Full Forecast | Later: Blossom Photos * Sunday's New York Times Magazine cover story, "The Civil Heretic," on prominent physicist Freeman Dyson's stance on climate change has been met with intense criticism from many in the...
By Andrew Freedman |
10:30 AM ET, 03/30/2009 |
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Posted at 10:15 AM ET, 03/17/2009
By Andrew Freedman
NBC 4 Chief Meteorologist Bob Ryan, who recently wrote a lengthy online series of articles on global climate change that was covered here, has earned praise from a prominent environmentalist, and scorn from a Department of Energy worker who challenged Ryan to a climate science debate in a forum of...
By Andrew Freedman |
10:15 AM ET, 03/17/2009 |
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Posted at 10:30 AM ET, 03/05/2009
By Andrew Freedman
* Big Warm-Up: Full Forecast | Best of Snowstorm Comments * Beneath WRC-TV (NBC4) chief meteorologist Bob Ryan's sandy blond, made-for-television facade, lie some serious scientific chops. He holds a bachelor's degree in physics and a master's in atmospheric science, has published studies in peer-reviewed scientific journals, and is the...
By Andrew Freedman |
10:30 AM ET, 03/05/2009 |
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Posted at 10:45 AM ET, 02/20/2009
By Andrew Freedman
* Wind-Chilled Friday, Weekend Flakes? Our Full Forecast * GOOD Magazine has an illuminating interview with San Diego TV weatherman and Weather Channel founder John Coleman, who is an outspoken critic of mainstream climate science. Coleman doubts that humans are altering the climate system, and even disputes that the climate...
By Andrew Freedman |
10:45 AM ET, 02/20/2009 |
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Posted at 10:30 AM ET, 02/09/2009
By Andrew Freedman
* A Mild Work Week: Full Forecast | Magenta Sky Photography * In case you weren't already concerned about the many effects of global climate change, such as melting glaciers, rising sea levels and extreme weather events, last week brought alarming news of yet another potential climate related risk. It...
By Andrew Freedman |
10:30 AM ET, 02/09/2009 |
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Posted at 10:30 AM ET, 01/29/2009
By Andrew Freedman
* Calmer Weather But Still Cold. Storm Next Week? Full Forecast * It normally does not make news when the American Meteorological Society (AMS) gives out awards at its annual meetings, but this year is an exception. At their 2009 meeting in Phoenix earlier this month, the AMS bestowed its...
By Andrew Freedman |
10:30 AM ET, 01/29/2009 |
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Posted at 11:00 AM ET, 01/22/2009
By Steve Tracton
* Milder for Now: Full Forecast | 2008 Warm, But Coolest Since 2001 * According to a 2007 report by the U.N. Intergovernmental Panel on Climate Change (IPCC), a group of hundreds of scientists that assesses and reports on climate change research, state-of-the-art climate models indicate the odds are about...
By Steve Tracton |
11:00 AM ET, 01/22/2009 |
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Posted at 11:00 AM ET, 12/08/2008
By Andrew Freedman
Weather and oceans agency awaits new head * Late-Week Storm? Full Forecast * Given the incoming Obama administration's emphasis on tackling global climate change and restoring scientific integrity in policymaking, federal science agencies that had taken a back seat under President Bush, such as the National Oceanic and Atmospheric Administration...
By Andrew Freedman |
11:00 AM ET, 12/08/2008 |
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Posted at 10:30 AM ET, 12/02/2008
By Andrew Freedman
Outspoken critics of mainstream climate science briefly celebrated last week when the online political news outlet Politico published two articles that asserted there is a "growing accumulation of global cooling science" that may stymie passage of climate change legislation in Congress. The stories generated scathing criticism from many corners of...
By Andrew Freedman |
10:30 AM ET, 12/02/2008 |
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Posted at 12:00 PM ET, 10/13/2008
By Andrew Freedman
In an article last week, I explored the climate science positions of the Republican and Democratic tickets. The story made clear that both presidential candidates agree with the consensus view of the scientific community that recent climate change is mainly the result of human activities, such as the burning of...
By Andrew Freedman |
12:00 PM ET, 10/13/2008 |
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Posted at 01:00 PM ET, 10/03/2008
By Dan Stillman
In case you missed it, or want to watch it all over again, the video below shows the portion of last night's vice presidential debate focused on climate change. Which candidate do you think won the climate change issue? What parts of Biden's and Palin's statements do you agree or...
By Dan Stillman |
01:00 PM ET, 10/03/2008 |
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Posted at 12:30 PM ET, 09/16/2008
By Andrew Freedman
The recent string of tropical cyclones that have struck the United States has showcased the nation's vulnerability to nature's most powerful storms. Last week Hurricane Ike nearly played out as a worst-case scenario for Galveston and Houston, Texas, and New Orleans was scared anew from Hurricane Gustav prior to that....
By Andrew Freedman |
12:30 PM ET, 09/16/2008 |
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Posted at 11:00 AM ET, 09/15/2008
By Andrew Freedman
As the field of meteorology becomes more sophisticated, with technologies like phased-array radar and petascale computers, there are still some stalwarts who prefer to rely instead on offbeat techniques to predict the weather far in advance. Although most scientists deride those old-school people as rather silly, since the weather is...
By Andrew Freedman |
11:00 AM ET, 09/15/2008 |
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Posted at 11:00 AM ET, 09/10/2008
By Andrew Freedman
Hurricane Ike as it approached Cuba. Credit: Jeff Schmaltz, NASA. This hurricane season has been a destructive one for the United States, with five consecutive tropical cyclones making landfall so far, while a sixth storm -- Ike -- now threatens the Gulf Coast. If the recent past is any guide,...
By Andrew Freedman |
11:00 AM ET, 09/10/2008 |
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Posted at 11:50 AM ET, 08/07/2008
By Andrew Freedman
On Sunday, the Washington Post ran an opinion piece on climate change by Joel Achenbach, a Post reporter and fellow washingtonpost.com blogger. While he made several good points about the perils of attributing individual extreme weather events to long-term climate change, Achenbach unfortunately left the mistaken impression that somehow climate...
By Andrew Freedman |
11:50 AM ET, 08/07/2008 |
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Posted at 11:00 AM ET, 07/28/2008
By Andrew Freedman
Climate change continues to prompt a reexamination of how humans view our role on the planet. A new study, published in Science magazine by several conservation biologists, argues that due to the possibility of climate change-related habitat destruction, conservationists should consider taking the step of physically moving species from one...
By Andrew Freedman |
11:00 AM ET, 07/28/2008 |
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Posted at 10:30 AM ET, 06/30/2008
By Andrew Freedman
James Hansen, the head of NASA's Goddard Institute for Space Studies in New York, has had it with policymakers' lack of progress to address global climate change, and he is not afraid to let them know it. In commemoration of landmark climate change testimony he gave in 1988, which first...
By Andrew Freedman |
10:30 AM ET, 06/30/2008 |
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Posted at 10:45 AM ET, 06/27/2008
By Dan Stillman
Scientists say there's a 50-50 chance that, for the first time in human history, the North Pole will go ice-free for a time this summer. Here's a short summary from FOXNews.com, and a more in-depth story from The Independent. Also note our own Andrew Freedman wrote extensively about the dwindling...
By Dan Stillman |
10:45 AM ET, 06/27/2008 |
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Posted at 10:00 AM ET, 06/24/2008
By Andrew Freedman
As a swollen Mississippi River breached levees last week, the U.S. Climate Change Science Program released a report that warned of more heavy precipitation events and associated flooding in the coming years due to global climate change. The report, entitled "Weather and Climate Extremes in a Changing Climate," is possibly...
By Andrew Freedman |
10:00 AM ET, 06/24/2008 |
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Posted at 10:30 AM ET, 06/09/2008
By Andrew Freedman
With presidential politics dominating much of the news coverage last week, along with the D.C. area thunderstorms and the heat, there were several climate change science news items that may have slipped past your Doppler 9000. First up was another sobering assessment of Arctic sea ice cover. The National Snow...
By Andrew Freedman |
10:30 AM ET, 06/09/2008 |
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Posted at 10:00 AM ET, 06/02/2008
By Andrew Freedman
The 2008 tornado season is off to such an abnormally active and deadly start that even typically storm-hardy residents of tornado-prone areas of the country have begun asking: what is going on? For example, on May 21, the New York Times ran a story that told the woeful tale of...
By Andrew Freedman |
10:00 AM ET, 06/02/2008 |
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Posted at 06:30 PM ET, 05/19/2008
By Capital Weather Gang
AccuWeather senior meteorologist Joe Bastardi has some advice for the President-elect to be: Within the first 100 days of office, get the top five SCIENTISTS on both sides of the issue in front of you in the oval office and let them argue it out. No cameras, no press, just...
By Capital Weather Gang |
06:30 PM ET, 05/19/2008 |
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Posted at 07:00 PM ET, 05/09/2008
By Andrew Freedman
A team of 30 scientists reports on the contrasting climate shifts that are taking place in the Arctic and Antarctic. While the Arctic is clearly warming, one manmade environmental crisis -- ozone destruction -- is having more sway in Antarctica. But what happens when the ozone hole heals?...
By Andrew Freedman |
07:00 PM ET, 05/09/2008 |
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Posted at 11:00 AM ET, 04/30/2008
By Steve Scolnik
More detailed measurements encouraged Global average CO2 concentrations since 2004 (monthly values in red, long-term trend in black). Click here to enlarge. Credit: NOAA The National Oceanic and Atmospheric Administration announced last week that increases in two major greenhouse gases accelerated in 2007. Carbon dioxide (CO2), the primary contributor to...
By Steve Scolnik |
11:00 AM ET, 04/30/2008 |
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Posted at 11:00 AM ET, 03/28/2008
By Steve Scolnik
At a recent dinner seminar that I attended, upon hearing that I was a Capital Weather Gang member, an otherwise respectable appearing gentleman asked me how global warming could be occurring in light of the "record-breaking cold winter." I must admit that I was a bit mystified at first, since...
By Steve Scolnik |
11:00 AM ET, 03/28/2008 |
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Posted at 06:00 PM ET, 02/08/2008
By Steve Scolnik
100-year flood plain, from Maryland Department of the Environment. Click on image to enlarge. A working group of the Maryland Commission on Climate Change met today in Reisterstown, as reported by AP (via Baltimore's WJZ-TV), to work on its recommendations for the state's response to global warming. Gov. O'Malley...
By Steve Scolnik |
06:00 PM ET, 02/08/2008 |
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Posted at 07:30 PM ET, 01/23/2008
By Steve Scolnik
551.5 is the Dewey Decimal System classification for meteorology. In his post last weekend, Ground Truth, Andrew points out that seeing is believing: Because climate change "exists beyond our field of vision it's hard to be completely convinced of its existence, and therefore of the necessity of addressing it." Andrew...
By Steve Scolnik |
07:30 PM ET, 01/23/2008 |
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