Most Read: Local

Capital Weather Gang: August, 2013

Posted at 05:01 AM ET, 08/31/2013

D.C. area forecast: Storm threat gradually rises through holiday weekend

Warm and humid air sets up shop through Labor Day, but thankfully the heat won't be too intense.

By Dan Stillman  |  05:01 AM ET, 08/31/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:32 PM ET, 08/30/2013

PM Update: A humid holiday weekend with late day storm chances; fall foliage outlook

The unofficial end of summer - Labor Day Weekend - concludes in summer-like style with toasty conditions and daily storm chances.

By Jason Samenow  |  04:32 PM ET, 08/30/2013 |  Permalink  |  Comments ( 0)

Posted at 02:25 PM ET, 08/30/2013

D.C.’s summer weather has been near normal, and that’s nice

Summer - by the meteorological definition - ends Saturday and, rather than rejoicing, many Washingtonians may actually shed a tear.

By Jason Samenow  |  02:25 PM ET, 08/30/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate, Recaps

Posted at 11:33 AM ET, 08/30/2013

Atlantic hurricane season still lacking hurricanes: any sign of a change?

There are signs storminess is about to pick-up some.

By Brian McNoldy  |  11:33 AM ET, 08/30/2013 |  Permalink  |  Comments ( 0)
Tags:  Tropical Weather

Posted at 09:14 AM ET, 08/30/2013

For kicks: Debut of Nike Weatherman shoes, in motion

The first two styles in Nike's Weatherman shoe pack hit stores this morning at 8 a.m.

By Jason Samenow  |  09:14 AM ET, 08/30/2013 |  Permalink  |  Comments ( 0)
Tags:  Humor, Latest

Posted at 05:02 AM ET, 08/30/2013

D.C. area forecast: Calm start to holiday weekend before storm risk rises

On the humid side, but the “last weekend” of the season should feel summery, right?

By A. Camden Walker  |  05:02 AM ET, 08/30/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/30/2013

Nationals vs. Mets weather forecast: Very warm & muggy (for better ball distance!)

Prepare to sweat for the Mets!

By A. Camden Walker  |  04:57 AM ET, 08/30/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, NatCast

Posted at 04:36 PM ET, 08/29/2013

Louisiana’s Barry Keim talks Hurricane Katrina and life as state climatologist

"We’re 8 years since [Katrina] and we still have areas which look like they haven’t been touched."

By Adam Rainear  |  04:36 PM ET, 08/29/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather, U.S. Weather

Posted at 04:35 PM ET, 08/29/2013

PM Update: A quietly warm end of week

It's the end of August and, like many in Washington, interesting weather has gone on vacation.

By Jason Samenow  |  04:35 PM ET, 08/29/2013 |  Permalink  |  Comments ( 0)

Posted at 02:10 PM ET, 08/29/2013

D.C.’s Maryland suburbs among nation’s lowest natural disaster risk areas, analysis finds

Residents from Bethesda to Frederick have less to worry about compared to most U.S. cities when it comes to extreme weather, wildfires and earthquakes.

By Jason Samenow  |  02:10 PM ET, 08/29/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate, U.S. Weather

Posted at 11:06 AM ET, 08/29/2013

California Rim Fire grows: Astonishing timelapse videos from Yosemite

"Menacing yet mesmerizing" scenes of California's Rim Fire from Yosemite.

By Jason Samenow  |  11:06 AM ET, 08/29/2013 |  Permalink  |  Comments ( 0)
Tags:  Fire Weather, Imagery, Latest, U.S. Weather

Posted at 05:02 AM ET, 08/29/2013

D.C. area forecast: Humidity holds but rain moves out, storm chances return late in long weekend

As heat builds this weekend, so does humidity. With that comes an increasing chance of thunderstorms, mainly on Sunday and Monday.

By David Streit  |  05:02 AM ET, 08/29/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/29/2013

Nationals vs. Marlins weather forecast: Humid but the temps are a hit

A fine night for a game with minimal risk of a shower despite the high humidity.

By David Streit  |  04:57 AM ET, 08/29/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, NatCast

Posted at 04:22 PM ET, 08/28/2013

PM Update: Showers to taper, staying humid; Rim Fire now California’s 6th largest

Despite showers roaming much of the day, most spots haven't picked up too much rain. At least it was cooler than yesterday!

By Ian Livingston  |  04:22 PM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 02:39 PM ET, 08/28/2013

La Ni a-like conditions behind gentler global warming, study finds

A new study published in the journal Nature has an explanation for a recent slow down in global warming: La Ni a.

By Jason Samenow  |  02:39 PM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Latest

Posted at 11:28 AM ET, 08/28/2013

Blood Falls: Nature’s gruesome display of beauty in Antarctica

Science 360's picture of the day is a stunner: Blood Falls, a discharge of deep red water off the edge of Taylor glacier in Antarctica.

By Jason Samenow  |  11:28 AM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Photography

Posted at 10:10 AM ET, 08/28/2013

D.C. area forecast: Showery for March on Washington anniversary

A system rotating around the big central U.S. high pressure sends rain chances up today. Otherwise, we're locked in a summer pattern for a while.

By Ian Livingston  |  10:10 AM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 09:50 AM ET, 08/28/2013

Fifty years ago: A day to remember, the weather on the day of the MLK dream speech

The weather for the March on Washington in 1963 was not at all the way it was remembered afterward.

By Don Lipman  |  09:50 AM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest, Local Climate

Posted at 04:56 AM ET, 08/28/2013

Nationals vs. Marlins weather forecast: Muggy but maybe rain-cooled air

The best shot for showers and storms should try to come before the game, but it's hard to totally rule out the chance.

By Ian Livingston  |  04:56 AM ET, 08/28/2013 |  Permalink  |  Comments ( 0)
Tags:  NatCast

Posted at 05:43 PM ET, 08/27/2013

PM Update: Storms could dampen March on Washington anniversary; Phoenix haboob

We have a small chance of showers and storms this evening, but a considerably better opportunity Wednesday as disturbance ripples through the region.

By Jason Samenow  |  05:43 PM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:15 PM ET, 08/27/2013

Cloud seeding experiment almost snarled Hurricane Camille forecast

Experiments to test the idea that cloud seeding could weaken hurricanes helped make forecasting for Camille the "most critical and hair-raising experience" of Robert Simpson's long career

By Jack Williams  |  04:15 PM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest, Tropical Weather, U.S. Weather

Posted at 03:16 PM ET, 08/27/2013

Join the Capital Weather Watchers program; free NWS Skywarn Spotter training

In partnership with the National Weather Service, we're offering a weather spotter training class September 25, at 7 p.m. at The Washington Post.

By Jason Samenow  |  03:16 PM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  Capital Weather Gang, Government, Latest

Posted at 12:49 PM ET, 08/27/2013

California Rim Fire: A blazing tour from Earth and space

Stunning views of the California blaze, tricking into treasured Yosemite National Park

By Jason Samenow  |  12:49 PM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  Fire Weather, Latest, U.S. Weather

Posted at 09:48 AM ET, 08/27/2013

The kindling of my lightning photography obsession -- 10 years ago today

A dramatic bolt of lightning struck almost directly behind the Washington Monument. I quickly checked my camera and I had successfully captured the image.

By Kevin Ambrose  |  09:48 AM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest

Posted at 05:01 AM ET, 08/27/2013

D.C. area forecast: Last-minute summer sizzle delivers humidity and storm risks into weekend

Higher humidity and warm-to-hot temperatures are expected over the next several days with occasional risks of showers and storms.

By Matt Rogers  |  05:01 AM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/27/2013

Nationals vs. Marlins: Partly cloudy, storm risk

Widely scattered storm risk is more of a strike out than a hit, but conditions are warm and a bit muggy.

By Matt Rogers  |  04:57 AM ET, 08/27/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, NatCast

Posted at 05:17 PM ET, 08/26/2013

PM Update: Summer makes a comeback; California's Rim Fire grows

The delightful summertime conditions we experienced over the weekend waned today, as heat and humidity begin returning to the region.

By Ian Livingston  |  05:17 PM ET, 08/26/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:24 PM ET, 08/26/2013

Group wants hurricanes named after politicians who "deny climate change"

Maybe, in the not too distant future, we'll have a Category Six hurricane named Boehner.

By Jason Samenow  |  04:24 PM ET, 08/26/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Latest

Posted at 01:36 PM ET, 08/26/2013

The Farmers' Almanac outrageous forecast: a frigid, snowy winter and stormy Super Bowl

Forecasts for a stormy Super Bowl and frigid winter lack credibility.

By Jason Samenow  |  01:36 PM ET, 08/26/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Winter Storms

Posted at 10:27 AM ET, 08/26/2013

Praying for rain: the intersection of weather and religion

When the skies are clear and the ground is dry, some folks look up to the heavens and request divine intervention in the form of prayers for rain.

By Dennis Mersereau  |  10:27 AM ET, 08/26/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, U.S. Weather

Posted at 05:01 AM ET, 08/26/2013

D.C. area forecast: Nice today, but hottest weather pattern since July easing in

The beautiful weekend weather extends into a third day, but recent cooler than average conditions are about to take a pause.

By Jason Samenow  |  05:01 AM ET, 08/26/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:02 AM ET, 08/25/2013

D.C. area forecast: Spectacular today, warmer tomorrow

Another beauty today before we start to head back into summer.

By Brian Jackson  |  05:02 AM ET, 08/25/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:01 AM ET, 08/24/2013

D.C. area forecast: Superb summer weekend; heat and humidity resurgence next week

The only weather worry this weekend might be making sure you keep the sunscreen handy. August perfected.

By Ian Livingston  |  05:01 AM ET, 08/24/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 06:04 PM ET, 08/23/2013

PM Update: Gradual clearing overnight, sparkling weekend; Rim wildfire grows in Calif.

An absolutely wonderful weekend weatherwise awaits. Both days are sunny and warm, with low humidity.

By Jason Samenow  |  06:04 PM ET, 08/23/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:18 PM ET, 08/23/2013

Vintage photos: the 1933 Chesapeake Potomac hurricane -- flooding in Washington, D.C.

On August 23, 1933, the Chesapeake Potomac hurricane pushed a 11-12 foot storm surge up the Potomac River. We have discovered some historic photos of the flooding.

By Jason Samenow  |  05:18 PM ET, 08/23/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Photography, Tropical Weather

Posted at 12:28 PM ET, 08/23/2013

Eighty years ago today -- the Chesapeake and Potomac hurricane

On August 23, 1933, the hurricane which carved out the inlet between Ocean City and Assateague Island swept through the Mid-Atlantic.

By Don Lipman  |  12:28 PM ET, 08/23/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest, Tropical Weather

Posted at 10:11 AM ET, 08/23/2013

Where the heck are all the hurricanes?

It's been a quiet start to the Atlantic hurricane season, but it's far from over.

By Brian McNoldy  |  10:11 AM ET, 08/23/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather

Posted at 06:09 AM ET, 08/23/2013

D.C. area forecast: Front brings showers today, making weekend weather hard to pass up!

Another August cool down is on its way. While that still equals warm days, we've got a respite from high humidity coming, and fairly comfortable temps to go with it.

By A. Camden Walker  |  06:09 AM ET, 08/23/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:04 PM ET, 08/22/2013

PM Update: Slight shower risk, trending drier; failed hurricane modification anniversary

Between tonight and midday Friday, we could see an isolated shower as a cold front moves through. Then, we welcome dry, delightful air.

By Jason Samenow  |  05:04 PM ET, 08/22/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 03:20 PM ET, 08/22/2013

Dam! A huge rush as Typhoon Trami deluges Taiwan (VIDEO)

Typhoon Trami forced a massive release of water at a dam in northern Taiwan. Watch the astonishing video.

By Jason Samenow  |  03:20 PM ET, 08/22/2013 |  Permalink  |  Comments ( 0)
Tags:  International Weather, Latest, Tropical Weather

Posted at 01:12 PM ET, 08/22/2013

The Category 6 hurricane: Al Gore misquoted according to his staff

Al Gore's statement about a new breed of hurricanes is patently false

By Jason Samenow  |  01:12 PM ET, 08/22/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Extreme Weather, Latest, Tropical Weather

Posted at 11:37 AM ET, 08/22/2013

Clouds: The weirdest of the weird

Occasionally perplexing cloud formations arise, leaving skywatchers stupefied as to how on Earth they came to be. Here are explanations for a few rare, but intriguing cloud types...

By Amanda Morgenthal  |  11:37 AM ET, 08/22/2013 |  Permalink  |  Comments ( 0)
Tags:  Clouds, Imagery, Latest

Posted at 05:01 AM ET, 08/22/2013

D.C. area forecast: A few storms but a lot of humidity today, gone by the weekend

Our timing could not be much better this week. The sweaty stormy stuff has its last hurrah today. Then we can look forward to a much drier and warm but not hot weekend.

By David Streit  |  05:01 AM ET, 08/22/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:34 PM ET, 08/21/2013

PM Update: Muggy with some rain risk through Thursday; Wildfire smoke forecasting

Temperatures and humidity conspired to send heat indices into the low-and-mid 90s today. We've got a little more "classic summer" ahead before our next cool down.

By Ian Livingston  |  04:34 PM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 03:25 PM ET, 08/21/2013

Researcher defends work linking Arctic warming and extreme weather

Jennifer Francis, an atmospheric scientist, says her theory linking the melting Arctic and weird weather in the U.S. is supported, not refuted by a new study.

By Jason Samenow  |  03:25 PM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Latest

Posted at 01:11 PM ET, 08/21/2013

The excited sun is smiling at us -- six dazzling views

The sun must be having a good day.

By Jason Samenow  |  01:11 PM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Imagery, Latest, Space Weather

Posted at 11:53 AM ET, 08/21/2013

National Hurricane Center gives storm surge modeling a major boost

The National Hurricane Center is running an improved version of its old, reliable storm surge model on faster computers to help emergency managers update hurricane evacuation plans.

By Jack Williams  |  11:53 AM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Government, Latest, Tropical Weather

Posted at 08:53 AM ET, 08/21/2013

The Blue Moon rises during "blue hour" in Washington, D.C. (PHOTOS)

The rise of the Blue Moon on Tuesday was timed well with the "blue hour."

By Kevin Ambrose  |  08:53 AM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Astronomy, Latest

Posted at 05:20 AM ET, 08/21/2013

D.C. area forecast: Feeling like summer, for a change

Warmer-weather fans have a few days to enjoy before what looks like a rather delightful weekend.

By Dan Stillman  |  05:20 AM ET, 08/21/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 06:33 PM ET, 08/20/2013

PM Update: Dose of summer heat returns; Sea level rise briefly curtailed by Australia rain

For Wednesday, we've got another warm to hot day and can't rule out a late day storm.

By Jason Samenow  |  06:33 PM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:27 PM ET, 08/20/2013

Firenado! Wild fire tornado in Alaska (VIDEO)

A massive, flaming vortex is caught on film in Alaska...

By Jason Samenow  |  05:27 PM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Imagery, Latest, U.S. Weather

Posted at 04:01 PM ET, 08/20/2013

Leaked climate report: Ten nuggets worth noting

Some preliminary findings from the latest IPCC climate change assessment are worth noting...

By Jason Samenow  |  04:01 PM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change

Posted at 12:48 PM ET, 08/20/2013

Tonight's "alternative" Blue Moon

Tonight's full moon is the current summer's third of four, and a Blue Moon by this standard.

By Jason Samenow  |  12:48 PM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Astronomy, Latest

Posted at 10:43 AM ET, 08/20/2013

Top 10 wettest summer in reach for D.C.; Wettest on record for Southeast cities

While the District remains in the throes of a wet summer, parts of the Southeast have received historic rainfall.

By Rick Grow  |  10:43 AM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Weather

Posted at 05:02 AM ET, 08/20/2013

D.C. area forecast: Warmth and humidity on the rise, storm risk Thursday, but a nice weekend

Humidity has thankfully stayed away most of this month, but it's making a big comeback this week.

By Matt Rogers  |  05:02 AM ET, 08/20/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:21 PM ET, 08/19/2013

PM Update: Trending clearer and warmer; 10 years of weather in 3 minutes

Including today, D.C. has recorded more August highs in the 70s (three) than in the 90s (two). Odds are good we'll work on flipping that stat in the times ahead.

By Ian Livingston  |  05:21 PM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:47 PM ET, 08/19/2013

Noctilucent clouds and aurora: all in one view (VIDEO)

You may have seen footage of these phenomena separately, but I doubt in the same shot. Here together are aurora AND noctilucent (or night shining) clouds!

By Jason Samenow  |  04:47 PM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Photography, Space Weather

Posted at 03:00 PM ET, 08/19/2013

Arctic warming and our extreme weather: no clear link new study finds

A new study finds little evidence to support the idea that the plummeting Arctic sea ice has meaningfully changed our weather patterns.

By Jason Samenow  |  03:00 PM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Latest

Posted at 11:35 AM ET, 08/19/2013

Unprecedented rain: Hurricane Camille's deadly flood in the Blue Ridge mountains

On the evening of August 19, 1969 the Mid-Atlantic's deadliest hurricane disaster of the 20th century unfolded just 120 miles from Washington, D.C.

By Jeffrey Halverson  |  11:35 AM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest, Tropical Weather

Posted at 05:01 AM ET, 08/19/2013

D.C. area forecast: Chance of storms today, slowly heating back up this week

With the start of a new week, gone are highs in the 70s and low humidity levels.

By Jason Samenow  |  05:01 AM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/19/2013

Redskins vs. Steelers weather forecast: Mild, low rain chances

A possible area of showers and storms Monday afternoon is probably through the region by game time, leaving behind partly cloudy skies and comfortably warm temps in the 70s.

By Jason Samenow  |  04:57 AM ET, 08/19/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, SkinsCast

Posted at 04:47 PM ET, 08/18/2013

D.C. area forecast: Showers around today, and warmer temps on the way

A coastal low sends us some dreary conditions today. But, 90 degree temperatures may be lurking around the bend.

By Brian Jackson  |  04:47 PM ET, 08/18/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:08 AM ET, 08/17/2013

D.C. area forecast: A cool weekend, with rain odds up tonight into Sunday

A weak coastal low pressure promises to bring clouds and some showers to the region mainly overnight. August tries to make a comeback after the weekend?

By Ian Livingston  |  05:08 AM ET, 08/17/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:51 PM ET, 08/16/2013

PM Update: Nice Saturday, maybe damp Sunday; coolest August day on record in Atlanta

Over the weekend, temperatures hold steady, but humidity rises, and, with that, a chance of rain returns, but not until Saturday night and Sunday. Saturday's shaping up to be a decent day.

By Jason Samenow  |  04:51 PM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 03:35 PM ET, 08/16/2013

When storms were a surprise: a history of hurricane warnings

We've grown so used to warnings three or four more days ahead of time that a hurricane is headed our way that it's hard to imagine a time when hurricanes hit with no warning whatsoever.

By Jack Williams  |  03:35 PM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  History, Latest, Tropical Weather

Posted at 01:29 PM ET, 08/16/2013

Nike Weatherman shoe series, coming soon

Introducing a fashionably loud shoe for the weather geek on the street.

By Jason Samenow  |  01:29 PM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest

Posted at 12:34 PM ET, 08/16/2013

Erin downgraded to depression; Gulf of Mexico disturbance surviving, may strengthen

Earlier this week storm activity in the tropical Atlantic began to heat up, now it's simmering down.

By Jason Samenow  |  12:34 PM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather

Posted at 10:58 AM ET, 08/16/2013

Weather control conspiracy theories: scientifically unjustifiable

Debunking the notion that the government is controlling our weather.

By Dennis Mersereau  |  10:58 AM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Science, Technology, Weather Modification

Posted at 09:50 AM ET, 08/16/2013

D.C. area forecast: Retreating refreshment relinquishes to rain by Sunday?

We keep the pleasant air for a bit longer, but sunshine could prove to be a diminishing commodity. Eventually we're talking showers, more humidity, and... Yeah, even some heat.

By A. Camden Walker  |  09:50 AM ET, 08/16/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts, Latest

Posted at 05:03 PM ET, 08/15/2013

PM Update: Staying comfy, but clouds start to increase; Accuweather fall outlook

The cool air mass hangs on while clouds increase Friday. Any rain should hold off until very late Friday night or the weekend.

By Jason Samenow  |  05:03 PM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:08 PM ET, 08/15/2013

Russian meteor deposited dust trail that traveled the world

After its violent explosion, the Chelyabinsk meteor of Feb. 15 left a trail of dust that circled the globe and lingered in the atmosphere for at least three months.

By Jason Samenow  |  04:08 PM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Astronomy, Latest

Posted at 02:07 PM ET, 08/15/2013

How smartphones may make weather forecasts more intelligent

Researchers believe cell phones can play an integral part in the collection of weather data - data that one day may improve forecasts.

By Adam Rainear  |  02:07 PM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Technology

Posted at 12:25 PM ET, 08/15/2013

D.C. has coolest August morning since 2004; record chill to north and west

The mercury dipped to 60 degrees at Reagan National Airport this morning, something it hasn't done in August since 2004.

By Jason Samenow  |  12:25 PM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate

Posted at 10:23 AM ET, 08/15/2013

Tropical Storm Erin forms in eastern Atlantic, Caribbean disturbance heads into Yucatan

While a tropical disturbance near the Yucatan peninsula struggles to organize, the one near the Cape Verde islands in eastern Atlantic strengthens into the season's fifth named storm: Erin.

By Brian McNoldy  |  10:23 AM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather

Posted at 05:01 AM ET, 08/15/2013

D.C. area forecast: A feeling of fall on a summer day; clouds, possible dampness for weekend

CWG | Deep blues skies, low humidity and a high of about 80 puts today’s weather near a perfect 10.

By David Streit  |  05:01 AM ET, 08/15/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:02 PM ET, 08/14/2013

PM Update: Feeling like autumn in August

If only every summer day could be like this. At least tomorrow will be pretty close!

By Ian Livingston  |  05:02 PM ET, 08/14/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 03:07 PM ET, 08/14/2013

How unusual is this cool weather in Washington, D.C.?

Today's weather in Washington, D.C. is most similar to Portland, Maine on average at this time of year.

By Jason Samenow  |  03:07 PM ET, 08/14/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate

Posted at 12:28 PM ET, 08/14/2013

Tropical Atlantic waking up: two potential storm threats

After a two-week break, there are a couple areas of interest brewing across the tropics: one in the western Caribbean and one in the far eastern Atlantic.

By Brian McNoldy  |  12:28 PM ET, 08/14/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather

Posted at 11:20 AM ET, 08/14/2013

Is the National Weather Service issuing too many thunderstorm warnings?

It happened again last night. What many would consider a rather ordinary summer storm triggered a severe thunderstorm warning from the National Weather Service (NWS) for much of the D.C. area, leaving some meteorologists scratching their heads.

By Jason Samenow  |  11:20 AM ET, 08/14/2013 |  Permalink  |  Comments ( 0)
Tags:  Government, Latest, Thunderstorms

Posted at 05:03 AM ET, 08/14/2013

D.C. area forecast: Ultra-nice weather dominates next few days

We're on track for at least two spectacular days today and tomorrow and possibly more to follow. What about the weekend?

By Matt Rogers  |  05:03 AM ET, 08/14/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:30 PM ET, 08/13/2013

PM Update: Amazing weather arrives Wednesday; perhaps a shower beforehand

A cold front slices through the region this evening, with some widely scattered showers. Then, a truly magnificent trio of days await.

By Jason Samenow  |  05:30 PM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:44 PM ET, 08/13/2013

Why Washington, D.C. keeps missing the heavy rain

I'm not complaining, but gardeners might be starting to.

By Jason Samenow  |  04:44 PM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  Explainer, Latest, Local Climate, Thunderstorms

Posted at 03:01 PM ET, 08/13/2013

Extremes at the edges: Weird weather in Florida, Pacific Northwest, California, Alaska

Taking a tour around the United States, we see some bizarre weather extremes.

By Jason Samenow  |  03:01 PM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, U.S. Weather

Posted at 12:11 PM ET, 08/13/2013

Sprites! Rare red lightning photographed on atmospheric research mission

Scientist Jason Ahrns has captured stunning images of the seldom seen, elusive sky phenomenon known as sprites.

By Jason Samenow  |  12:11 PM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Lightning

Posted at 05:02 AM ET, 08/13/2013

D.C. area forecast: Warm with showers/storms today before nice Wednesday through Friday

Showers and storms today but our next round of Canadian-born natural air conditioning is trucking our way.

By Matt Rogers  |  05:02 AM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/13/2013

Nationals vs. Giants weather forecast: Scattered shower or storm

Most of the showers and storms should be gone by game time, but there is still a lingering 20% chance of a game-delaying issue.

By Matt Rogers  |  04:57 AM ET, 08/13/2013 |  Permalink  |  Comments ( 0)
Tags:  NatCast

Posted at 05:11 PM ET, 08/12/2013

PM Update: Showers and storms roam tonight into tomorrow

With August's second 90-degree day under our belt, some raindrops might be nice. Agree?

By Ian Livingston  |  05:11 PM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:23 PM ET, 08/12/2013

Japan, South Korea soar to hottest recorded levels

We can now add South Korea and Japan to the list of countries with new high temperature records, courtesy the summer of 2013.

By Jason Samenow  |  04:23 PM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  Extreme Heat, International Weather, Latest

Posted at 02:23 PM ET, 08/12/2013

Typhoon Utor swamps Philippines, heads for southern China

Earth's strongest storm of 2013 so far, typhoon Utor, did a number on the northern Philippines. Now it's destined for southeastern China.

By Jason Samenow  |  02:23 PM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  International Weather, Latest, Tropical Weather

Posted at 12:09 PM ET, 08/12/2013

Greenland may not have reached highest recorded summer temperature in late July

The Danish Meteorological Institute says the supposed Greenland temperature record set July 31 may not be legitimate.

By Jason Samenow  |  12:09 PM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, International Weather, Latest

Posted at 10:29 AM ET, 08/12/2013

Mid-Summer 2013 was second most humid in D.C.'s recorded history

The period from June 30 through July 23, 2013 in Washington, D.C. was the second most humid in recorded history (dating back to 1937).

By Rick Grow  |  10:29 AM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  Humidity, Latest, Local Climate

Posted at 05:01 AM ET, 08/12/2013

D.C. area forecast: Muggy start to week, magnificent middle, cloudy end?

If we can just make it through Tuesday, the payoff Wednesday through Friday is HUGE.

By Jason Samenow  |  05:01 AM ET, 08/12/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:01 AM ET, 08/11/2013

D.C. area forecast: Just a few spotty showers for our Sunday

Another day, another chance of a few showers. They're unlikely to be ruining any plans though, and the associated clouds help keep temperatures from getting too high.

By Brian Jackson  |  05:01 AM ET, 08/11/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 12:34 PM ET, 08/10/2013

Nationals vs. Phillies weather forecast: Showers try to stay south

A little system passing along the front to our south is the only things worth watching.

By Ian Livingston  |  12:34 PM ET, 08/10/2013 |  Permalink  |  Comments ( 0)
Tags:  NatCast

Posted at 05:01 AM ET, 08/10/2013

D.C. area forecast: Clouds hard to kick this weekend, showers lurk today

Today's forecast is a little tricky, but fairly murky skies are a good bet one way or another. Those clouds help keep temps down from yesterday's near and above 90 highs.

By Ian Livingston  |  05:01 AM ET, 08/10/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 03:43 PM ET, 08/09/2013

PM Update: Storms around tonight, drier this weekend; Perseid meteor shower viewing info

Storms are around tonight, but chances are reduced this weekend, even if they're not eliminated.

By Jason Samenow  |  03:43 PM ET, 08/09/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 02:24 PM ET, 08/09/2013

18-day streak without hitting 90 ends in Washington, D.C.

During a large chunk of the hottest part of summer, Washington, D.C. achieved the unimaginable: it failed to hit 90 degrees.

By Jason Samenow  |  02:24 PM ET, 08/09/2013 |  Permalink  |  Comments ( 0)
Tags:  Extreme Heat, Latest, Local Climate

Posted at 12:53 PM ET, 08/09/2013

Arctic sea ice loss dramatically slows; record minimum unlikely in 2013

Since shrinking at a torrid pace in the first half of July, the Arctic sea ice meltdown has slowed markedly.

By Jason Samenow  |  12:53 PM ET, 08/09/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, International Weather, Latest

Posted at 10:03 AM ET, 08/09/2013

Austria sets new all-time high temperature as European heat wave hits peak

Austria and Slovenia both established new records for extreme heat Thursday as central Europe sizzles.

By Justin Grieser  |  10:03 AM ET, 08/09/2013 |  Permalink  |  Comments ( 0)
Tags:  Extreme Heat, International Weather, Latest

Posted at 05:01 AM ET, 08/09/2013

D.C. area forecast: August goes awry unless you like muggy heat & rain chances?

I suppose this much heat and humidity is overdue, eh? If you don't get damp from rain today, your own sweat may do the trick!

By A. Camden Walker  |  05:01 AM ET, 08/09/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:44 PM ET, 08/08/2013

PM Update: Staying muggy, sometimes wet; NOAA still expects active hurricane season

Day 18 of no 90s is in the books. After one round of scattered thundershowers pushed through late afternoon, more raindrops threaten at times into Friday.

By Ian Livingston  |  05:44 PM ET, 08/08/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 02:47 PM ET, 08/08/2013

Zip! Zoom! Wow! Perseid meteors to dart through our heavens this weekend

To enjoy these meteors, you don't need heavy equipment. Simply go outside, find a dark sky location, and look up for a little while. When is the best time?

By Blaine Friedlander  |  02:47 PM ET, 08/08/2013 |  Permalink  |  Comments ( 0)
Tags:  Astronomy

Posted at 10:32 AM ET, 08/08/2013

Shanghai sets new all-time record (again) as heat wave bakes eastern China

A major summer heat wave has been the story in eastern China since early July. Shanghai saw its hottest July in 140 years as temperatures soared to 100 F or higher for 10 straight days.

By Justin Grieser  |  10:32 AM ET, 08/08/2013 |  Permalink  |  Comments ( 0)
Tags:  Extreme Heat, International Weather, Latest

Posted at 05:14 AM ET, 08/08/2013

D.C. area forecast: More summery the next few days

Thunderstorm chances perk up with the added humidity and more heat. Still not super hot, and not a slam dunk that all areas get soaked.

By David Streit  |  05:14 AM ET, 08/08/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:45 PM ET, 08/07/2013

PM Update: A few showers and thundershowers through Thursday

It felt a bit more August-like today, at least when it came to humidity levels. Temperatures continued their run of below normal readings though, as highs ranged from near 80 to the mid-80s.

By Ian Livingston  |  04:45 PM ET, 08/07/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 02:32 PM ET, 08/07/2013

'If it's good weather you want, don't bother with Europe' (PHOTOS)

Europe has experienced some beautiful and dry summer weather after a very cold and wet spring.

By Kevin Ambrose  |  02:32 PM ET, 08/07/2013 |  Permalink  |  Comments ( 0)
Tags:  Photography

Posted at 12:31 PM ET, 08/07/2013

Ten myths about summer weather

Don't fall prey to some of these leading myths about summer weather.

By Amanda Morgenthal  |  12:31 PM ET, 08/07/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Seasons

Posted at 10:32 AM ET, 08/07/2013

Missing: 90-degree high temperatures in D.C.

We've started our slow slide away from the hottest temperatures of the year, but most years are hotter than this during the "dog days." How weird is this stretch?

By Ian Livingston  |  10:32 AM ET, 08/07/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate

Posted at 05:02 AM ET, 08/07/2013

D.C. area forecast: Searching for summer heat? Nothing to see here.

While humidity and rain chances have made a comeback, temperatures much above 90 just don't seem to be in the cards, at least for the next week or so

By Dan Stillman  |  05:02 AM ET, 08/07/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 10:15 PM ET, 08/06/2013

Weatherman pranks unsuspecting elevator riders

For whatever reason, watching this prank, I could not contain my laughter...

By Jason Samenow  |  10:15 PM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest

Posted at 05:32 PM ET, 08/06/2013

PM Update: A record cool day in D.C.; Wednesday warmer with shower chances

Incredibly, the high today in Washington, D.C. only managed 74 degrees, tying (with 2004) the coolest high temperature for the date on record dating back to 1872.

By Jason Samenow  |  05:32 PM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts, Local Climate

Posted at 04:16 PM ET, 08/06/2013

Accuweather: You cannot be serious (new 45-day forecasts)

Accuweather calls its new 45-day weather forecast launched Monday "revolutionary." I call it a joke.

By Jason Samenow  |  04:16 PM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Media

Posted at 12:14 PM ET, 08/06/2013

Reverse! Sun's magnetic field on the brink of 180-degree flip

It's nearly time for the current solar cycle's second half. And stunningly, the sun's magnetic field will rearrange itself to mark the mid-point.

By Jason Samenow  |  12:14 PM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Astronomy, Latest, Space Weather

Posted at 10:23 AM ET, 08/06/2013

The subtle beauty of fair weather clouds (PHOTOS)

Perhaps nothing is as satisfying as gazing at fields of puffy white clouds set against a deep blue sky.

By Jason Samenow  |  10:23 AM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest

Posted at 05:02 AM ET, 08/06/2013

D.C. area forecast: Trending warmer with climbing humidity and shower chances

Hello humidity. Our nice streak of pleasant, dry weather ends today with increasing cloud cover and shower chances.

By Matt Rogers  |  05:02 AM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/06/2013

Nationals vs. Braves: Warmer with shower/storm chance

Warmer with shower/storm chance

By Matt Rogers  |  04:57 AM ET, 08/06/2013 |  Permalink  |  Comments ( 0)
Tags:  NatCast

Posted at 05:04 PM ET, 08/05/2013

PM Update: August perfection on borrowed time, showery Tuesday

Highs near 80 with sunshine in August? Wow. Say your goodbyes through evening, as humidity and shower threats are around the corner.

By Ian Livingston  |  05:04 PM ET, 08/05/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 02:57 PM ET, 08/05/2013

Nationals vs. Braves weather forecast: Close to ideal

An awesome night for baseball: low-moderate humidity coupled with pleasant temps.

By Jason Samenow  |  02:57 PM ET, 08/05/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest

Posted at 12:32 PM ET, 08/05/2013

Why dry air is heavier than humid air

The assumption that humid air is heavier than dry air is wrong. Learn why...

By Jack Williams  |  12:32 PM ET, 08/05/2013 |  Permalink  |  Comments ( 0)
Tags:  Explainer, Humidity, Latest

Posted at 05:01 AM ET, 08/05/2013

D.C. area forecast: Week to start and end beautifully; The middle? Meh.

The week in short: Beautiful start, sticky, showery middle, promising finish.

By Jason Samenow  |  05:01 AM ET, 08/05/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 06:22 AM ET, 08/04/2013

D.C. area forecast: Sunday turning splendid; Monday? Marvelous.

Yet another bout of below-normal temperatures and low humidity is here thanks to a friendly visit from Canadian high pressure.

By Brian Jackson  |  06:22 AM ET, 08/04/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:02 AM ET, 08/03/2013

D.C. area forecast: Some rain to dodge into tonight, but turning delightful afterward

WEATHER GANG | No early-August scorchers this year. In fact, after today, prepare for outstanding.

By Ian Livingston  |  05:02 AM ET, 08/03/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:57 AM ET, 08/03/2013

United vs. Impact weather forecast: Showers or storms may roam

It's a decent bet there will be some showers and storms in the area during the evening, but with some luck they'll miss the field.

By Ian Livingston  |  04:57 AM ET, 08/03/2013 |  Permalink  |  Comments ( 0)
Tags:  UnitedCast

Posted at 04:07 PM ET, 08/02/2013

PM Update: Showers possible Saturday, Sunday is super; D.C.'s waning daylight

The weekend, generally, looks good, though I worry about the possibility of showers Saturday. Of the two days, Sunday - for sure - is the safe pick for outdoor plans.

By Jason Samenow  |  04:07 PM ET, 08/02/2013 |  Permalink  |  Comments ( 0)

Posted at 02:38 PM ET, 08/02/2013

Colorado State researchers trim Atlantic hurricane outlook; Dorian tries to bounce back

Expect an above average Atlantic hurricane season say leading hurricane researchers, but slightly less active than once thought.

By Jason Samenow  |  02:38 PM ET, 08/02/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest

Posted at 11:32 AM ET, 08/02/2013

Are violent tornadoes becoming more common?

The short answer is no, not really. The long answer is...

By Dennis Mersereau  |  11:32 AM ET, 08/02/2013 |  Permalink  |  Comments ( 0)
Tags:  Tornadoes

Posted at 09:30 AM ET, 08/02/2013

Stunning mammatus clouds south of Washington, D.C. Thursday evening

From Manassas to Warrenton to Fredericksburg, mammatus, the dynamically drooping cloud-forms, made for a dramatic evening sky.

By Jason Samenow  |  09:30 AM ET, 08/02/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Thunderstorms

Posted at 05:01 AM ET, 08/02/2013

D.C. area forecast: August amicably allows alternating weather, almost daily

With 90s still seemingly elusive (today could be close), who can complain about going from cloudier to sunnier days in back-to-back style? Fairly benign for August, if you ask me!

By A. Camden Walker  |  05:01 AM ET, 08/02/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 05:07 PM ET, 08/01/2013

PM Update: Few showers/storms this evening; sunny, less humid Friday

A cold front pushes today's muggy air out overnight. Warm sunshine and drier air move in Friday.

By Jason Samenow  |  05:07 PM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

Posted at 04:41 PM ET, 08/01/2013

Ronald Reagan's near brush with weather-induced death: the August 1, 1983 microburst

Thirty years ago today, a violent blast of cold air crashed down from a thunderstorm's clouds above Andrews Air Force Base.

By Jason Samenow  |  04:41 PM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Aviation, History, Latest, Thunderstorms

Posted at 01:48 PM ET, 08/01/2013

Greenland soars to its highest temperature ever recorded, almost 80 degrees F.

The Danish Meteorological Institute is reporting that on Tuesday, July 30, the mercury rose to 25.9 C (78.6 F) at a station in Greenland, the highest temperature measured in the Arctic country since records began in 1958.

By Jason Samenow  |  01:48 PM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Climate Change, Extreme Heat, International Weather, Latest

Posted at 11:26 AM ET, 08/01/2013

Core of Atlantic hurricane season has arrived, but quiet for now

Several months ago, the forecast from several groups was for above average activity, and that has partially panned out

By Brian McNoldy  |  11:26 AM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Tropical Weather

Posted at 09:12 AM ET, 08/01/2013

July 2013: 13th warmest on record (tie), slightly wetter than average in D.C.

On the whole, July was hotter-than-normal but we had all sorts of weather including unpleasantly high humidity and heat indices, very wet days, and also very comfortably cool days.

By Matt Rogers  |  09:12 AM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Latest, Local Climate

Posted at 05:21 AM ET, 08/01/2013

D.C. area forecast: Some showers today, most of the weekend looks dry

Our subdued summer pattern remains alive and well! After likely showers today, drier air comes back for the weekend.

By David Streit  |  05:21 AM ET, 08/01/2013 |  Permalink  |  Comments ( 0)
Tags:  Forecasts

 

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