Capital Weather Gang: August, 2011
Posted at 03:15 PM ET, 08/16/2011
By Jason Samenow
Despite a touch of humidity, a nice blend of sun and clouds along with a refreshing northerly breeze has made for an overachieving Tuesday. This evening, aside from a stray shower, it’s quiet and comfortable. Warm sunshine and low humidity make Wednesday a winner as well.
By Jason Samenow |
03:15 PM ET, 08/16/2011 |
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Posted at 05:00 AM ET, 07/31/2011
By Brian Jackson
We likely close out the
hottest month ever here in D.C. - and by a wide margin at that - with our 14th straight 90-degree day. With no big cool down in the foreseeable future, the biggest question is whether the heat may relent just enough mid-to-late week to break the 90+ streak before we get close to the record of 21 days
By Brian Jackson |
05:00 AM ET, 07/31/2011 |
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Posted at 04:55 AM ET, 07/31/2011
By Brian Jackson
With temps a few degrees cooler than yesterday and about 10 degrees less than Friday, today was the right day for a day game in this series.
By Brian Jackson |
04:55 AM ET, 07/31/2011 |
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Posted at 05:00 AM ET, 07/30/2011
By Dan Stillman
After yesterday’s
record-breaker, today’s high-temperature records are
probably safe, though I do emphasize probably given our proclivity for tying or breaking records this summer. Record or not, the generally hot and humid streak goes on with no end in sight. In fact, we may have a fighting chance at the all-time record for consecutive 90+ days, which is 21.
By Dan Stillman |
05:00 AM ET, 07/30/2011 |
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Posted at 04:55 AM ET, 07/30/2011
By Dan Stillman
Well it’s mighty warm, but several degrees lower and a bit less humid than last night. So really not too bad all things considered.
By Dan Stillman |
04:55 AM ET, 07/30/2011 |
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Posted at 03:45 PM ET, 07/29/2011
By Jason Samenow
For the second straight Friday, record heat has run rampant in the Washington, D.C. metro region. Reagan National, which surged to 104, had a tie for its fifth hottest day all-time, blowing by the old daily record of 99 from 1993. Dulles Airport reached 103, sailing past its record of 97, also from 1993. After a weak cold front and some widely scattered storms pass tonight, we dial back the heat a hair this weekend, with low-to-mid 90s rather than triple digits.
By Jason Samenow |
03:45 PM ET, 07/29/2011 |
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Posted at 02:45 PM ET, 07/29/2011
By Jason Samenow
Packing maximum winds of 50 mph, tropical storm Don is closing in on the south Texas coast. As of 2 p.m. eastern, it was 145 southeast of Corpus Christi, Texas headed west northwest at 15 mph. Landfall is projected to occur tonight between Corpus Christi and Brownsville. Tropical storm warnings extend from the mouth of the Rio Grande to Matagorda (which is southwest of Galveston). A low end tropical storm, Don is unlikely to produce extensive wind damage. Its rains are sure to benefit the water-deprived state but probably not enough.
By Jason Samenow |
02:45 PM ET, 07/29/2011 |
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Posted at 12:30 PM ET, 07/29/2011
By Jason Samenow
As hot as it is, it begs the question, where are the best and worst places to be?
By Jason Samenow |
12:30 PM ET, 07/29/2011 |
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Posted at 11:15 AM ET, 07/29/2011
By Jason Samenow
The crippling Snowmaggedon blizzard of February 5-6, 2010. The punishing Sweat Ceiling heat wave of July 21-23, 2011. At face value, these two extreme events could not contrast more. But it may surprise you how much these Washington, D.C. weather behemoths share in common. Let me walk you through the striking similarities....
By Jason Samenow |
11:15 AM ET, 07/29/2011 |
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Posted at 09:00 AM ET, 07/29/2011
By Ian Livingston
After last summer’s record-breaking heat, perhaps it seemed like we may have to wait a while to get back to those levels again. Sadly, not so! Thus far, this July has beaten July 2010 on almost every heat metric and it’s now poised to become the sole leader for hottest month ever in D.C. Yuck?
By Ian Livingston |
09:00 AM ET, 07/29/2011 |
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Posted at 05:00 AM ET, 07/29/2011
By A. Camden Walker
While today won’t be quite as hot as last week at this time, it’s still about as hot as we want to see around here with temperatures rising to near or above 100. Fortunately, the 100s won’t last quite as long this time, but there is limited relief on the horizon as it seems readings are happy to stay above the 90-degree mark into the near future. I know I’ll be hoping for some cooling rain!
By A. Camden Walker |
05:00 AM ET, 07/29/2011 |
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Posted at 04:55 AM ET, 07/29/2011
By A. Camden Walker
It’s not going to be the most comfortable game ever with temperatures largely in the 90s during the game. On the bright side, humidity should be a touch lower than what we were dealing with around here last week at this time.
By A. Camden Walker |
04:55 AM ET, 07/29/2011 |
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Posted at 06:30 PM ET, 07/28/2011
By Jason Samenow
Almost a year ago, I wrote the “rapping weatherman” Nick Kosir - whose catchy rhymes had gone viral on YouTube - landed himself a big market gig in San Francisco. But after two days on the job, he walked away, fleeing for a position in the much more remote Twin Falls, Idaho. I hadn’t heard anything about Kosir since. But last night, he shot me an email, with a link to his latest rap - originating from a 500 foot bridge that he base jumps from . It’s gimmicky, but give him props for originality...
By Jason Samenow |
06:30 PM ET, 07/28/2011 |
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Posted at 04:35 PM ET, 07/28/2011
By Jason Samenow
The humidity returned today while the heat engine kept on churning. Despite considerable clouds, highs managed the low-to-mid 90s. We’ve now equaled July 2010’s 90+ degreee day output, with 21 occurences this month. Tomorrow, triple digits enter the picture and we’re under a heat advisory.
By Jason Samenow |
04:35 PM ET, 07/28/2011 |
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Posted at 02:15 PM ET, 07/28/2011
By David Streit
Oh what a summer this is turning out to be! If your lawn/garden looks like anything but the Mojave, give yourself a pat on the back. So what are we to do…water is the main solution at this point, plain and simple. The key is to try to make the most of the water you put down.
By David Streit |
02:15 PM ET, 07/28/2011 |
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Posted at 01:20 PM ET, 07/28/2011
By Jason Samenow
No surprise, here, but the National Weather Service has made it official: A heat advisory is in effect for Friday, from 11 a.m. to 9 p.m., for the entire metro region. High temperatures from the upper 90s to low 100s will produce heat index values of 105 to 109. A heat advisory is not as extreme as an excessive heat warning, which was in effect last Friday, when heat indices exceeded 110. But tomorrow’s combination of heat and humidity could still produce heat-related illnesses or worse, so take it easy, drink plenty of fluids, and cool off in air-conditioned environments.
By Jason Samenow |
01:20 PM ET, 07/28/2011 |
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Posted at 11:15 AM ET, 07/28/2011
By Greg Postel
Tropical storm Don continues to take aim at the Texas Gulf Coast. It is moving west-northwestward at 12 mph across the Gulf of Mexico and at the current pace will make landfall somewhere between Brownsville and Galveston late Friday. Maximum sustained winds are estimated to be near 45 mph. With tropical storm force winds confined to a small area within 60 miles of the center, and a rather disorderly satellite presentation, Don is not a healthy tropical cyclone.
By Greg Postel |
11:15 AM ET, 07/28/2011 |
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Posted at 10:00 AM ET, 07/28/2011
By Kevin Ambrose
If you travel by air a lot you probably have a story or two about being stuck on a plane waiting to take off. Recently,
regulations have been put in place that limit tarmac strandings to only three hours.
By Kevin Ambrose |
10:00 AM ET, 07/28/2011 |
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Posted at 05:00 AM ET, 07/28/2011
By David Streit
Here we go again! After a brief flirtation with drier air, we are back on track for another trio of sultry days. Searching hard for a silver lining, these days should not be as hot as the same period a week ago. But we still must contend with likely record-setting, triple digit heat Friday and little relief at night.
By David Streit |
05:00 AM ET, 07/28/2011 |
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Posted at 04:55 AM ET, 07/28/2011
By David Streit
The summertime humidity returns just in time for the game. This will make the heat a little more uncomfortable. Dress light and bright and don’t forget to drink plenty of fluids even if you are one of the lucky ones not in the sun.
By David Streit |
04:55 AM ET, 07/28/2011 |
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Posted at 04:15 PM ET, 07/27/2011
By Ian Livingston
Even though it topped 90 degrees in many spots today, it did not feel too bad given the low humidity regime currently in place. Sadly, we’re on borrowed time in that respect as south winds begin to usher in higher humidity levels overnight. By tomorrow, temperatures again threaten to push toward the mid-90s along with increasingly muggy conditions. And that continues Friday and into the weekend.
By Ian Livingston |
04:15 PM ET, 07/27/2011 |
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Posted at 03:30 PM ET, 07/27/2011
By Jason Samenow
Water temperatures on the Potomac River at Little Falls reached their highest levels on record last week, reaching as high as 96 degrees.
By Jason Samenow |
03:30 PM ET, 07/27/2011 |
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Posted at 02:00 PM ET, 07/27/2011
By Jason Samenow
Although the current heat wave, defined as any stretch of at least three consecutive days at or above 90, has reached its tenth day, the drop in humidity since yesterday has provided a reprieve of sorts. Smitten by today’s low humidity, Twitter follower @aimster215 wrote: “Today=best 90 ever.” But tonight, the sinister southerly wind returns, amping up the humidity Thursday through Saturday. How and hot and humid are we talking about? When will it end? And what’s causing the heat?
By Jason Samenow |
02:00 PM ET, 07/27/2011 |
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Posted at 11:30 AM ET, 07/27/2011
By Greg Postel and Jason Samenow
With almost half the state of Texas afflicted by exceptional drought, a big dose of tropical rains would provide considerable relief. A fledgling tropical disturbance crossing the Yucatan Channel - if it takes the right track - could wash ashore in the parched state, answering many prayers. Although we expect this system to strengthen into a depression and probably a tropical storm - whose name would be Don, it is unlikely to become a destructive hurricane.
By Greg Postel and Jason Samenow |
11:30 AM ET, 07/27/2011 |
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Posted at 10:15 AM ET, 07/27/2011
By Kevin Ambrose
The purpose of this post is to consolidate a set of weather images from past CWG photo posts with links to higher resolution versions. The photos we chose show various types of weather in and around Washington, including snow, thunderstorms, sunrises, sunsets, dusk, and fireworks. The higher resolution image files can be downloaded from the caption of the photos below and used as computer wallpaper and/or screensavers.
By Kevin Ambrose |
10:15 AM ET, 07/27/2011 |
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Posted at 05:00 AM ET, 07/27/2011
By Dan Stillman
Today is among this July’s best, with highs around average and not much humidity to speak of. Sadly, the same can’t be said for tomorrow into the weekend. The heat and humidity both ratchet upward, with record heat possible Friday as temperatures make a run at triple digits, before slowly stepping back Saturday and more so on Sunday.
By Dan Stillman |
05:00 AM ET, 07/27/2011 |
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Posted at 04:55 AM ET, 07/27/2011
By Dan Stillman
These kinds of evenings have been too few and far between as of late - warm but not too humid with a light breeze.
By Dan Stillman |
04:55 AM ET, 07/27/2011 |
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Posted at 03:55 PM ET, 07/26/2011
By Jason Samenow
Today we logged our 9th consecutive day at or above 90, and 33rd of 2011. While nine shy of 2010’s record pace, such days continue mounting with no end in sight. While the heat has been relentless, we found respite from the extreme humidity today and will tomorrow too. But another big dose of humidity lurks for late in the week.
By Jason Samenow |
03:55 PM ET, 07/26/2011 |
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Posted at 02:30 PM ET, 07/26/2011
By Jason Samenow
Add the flooding of the Missouri River to the list of billion dollar weather disasters in the U.S. in 2011. The economic toll from that historic flood - which is ongoing - brings the total number of billion dollar weather events in 2011 to nine, tying 2008 for the most on record since 1980. And hurricane season still remains.
By Jason Samenow |
02:30 PM ET, 07/26/2011 |
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Posted at 11:35 AM ET, 07/26/2011
By Ann Posegate
They hover around your eyes, ears, nose and mouth. They slowly devour the roots of your houseplants. They levitate in swarms called ghosts, haunting stream beds and forests throughout the region. What is it about summer that entices these tiny flies to wake up and smell the … rotting roses? Gnat larvae live in moist environments. Given the average annual precipitation of 40 inches and ample waterways and wetlands in the DC region, finding the perfect gnat breeding site does not seem to be a problem.
By Ann Posegate |
11:35 AM ET, 07/26/2011 |
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Posted at 10:45 AM ET, 07/26/2011
By Jason Samenow
Up to two feet of snow covered parts of eastern South Africa Tuesday, bringing traffic to a standstill along major routes and disrupting air and rail transportation. The snow also closed shops and schools.
By Jason Samenow |
10:45 AM ET, 07/26/2011 |
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Posted at 05:00 AM ET, 07/26/2011
By Matt Rogers
Better weather takes hold of our area even though temperatures are still up into the 90s. The lower humidity will be noticeable, especially by tonight and tomorrow. However, uncomfortable heat returns Thursday into the weekend.
By Matt Rogers |
05:00 AM ET, 07/26/2011 |
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Posted at 04:55 AM ET, 07/26/2011
By Matt Rogers
Wear light clothing for the heat, but it’s much more comfortable than recent days.
By Matt Rogers |
04:55 AM ET, 07/26/2011 |
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Posted at 03:25 PM ET, 07/25/2011
By Ian Livingston
Even though it was cooler today, thanks in part to afternoon showers and storms, D.C. kept the 90+ streak alive and it’s now at eight days. A cold front pushing through keeps the risk of rain around into the evening, but it eventually brings some temporarily drier air into the area for tomorrow. Still looks like another day in the low 90s is ahead though.
By Ian Livingston |
03:25 PM ET, 07/25/2011 |
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Posted at 01:51 PM ET, 07/25/2011
By Jason Samenow and Justin Grieser
Dangerous, oppressive, stifling. These words were repeatedly used to describe the historic heat wave that slowly engulfed the D.C. area by the middle of last week and earned the name “Sweat Ceiling”. This post contains a summary of all the heat records that were set in the past week.
By Jason Samenow and Justin Grieser |
01:51 PM ET, 07/25/2011 |
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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.
By Andrew Freedman |
10:30 AM ET, 07/25/2011 |
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Posted at 05:00 AM ET, 07/25/2011
By Jason Samenow
Each day last week the high temperature reached at least 90, and odds are good we do it again for the entirety of this week. The lone wrinkle is today’s forecast when clouds and storms could keep temps below 90 in a few spots. While we may not get a break from 90-degree heat, we will get a short break from oppressive humidity Tuesday and Wednesday before it rejoins the heat Thursday through Saturday for another potentially oppressive stretch.
By Jason Samenow |
05:00 AM ET, 07/25/2011 |
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Posted at 05:00 AM ET, 07/24/2011
By Brian Jackson
I’m hesitant to use the word “relief” when mid-to-upper 90s are still likely for highs today, but at least we’re on a downward trend after yesterday’s record heat. Thunderstorms may provide additional cooling for some today and tomorrow. By midweek we’ll feel considerably drier, before another hot streak of mid-90s and higher threatens late week into the weekend..
By Brian Jackson |
05:00 AM ET, 07/24/2011 |
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Posted at 05:05 PM ET, 07/23/2011
By Dan Stillman
The heat has been terrible again today, though thankfully the humidity has been lower than yesterday so the heat index has been more forgiving - to around 110 compared to Friday’s 120+. D.C. has broken its record high for the date, with National Airport reaching a high of 102 at 3:38 p.m. So far, no storms have affected the immediate metro area, but a few strong storms could still develop in spots into this evening.
By Dan Stillman |
05:05 PM ET, 07/23/2011 |
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Posted at 05:00 AM ET, 07/23/2011
By Ian Livingston
If you don’t have to spend much time outside today, it’s advisable you stay inside as much as possible. It’s going to be way too hot and the air is pretty bad. Temperatures again flirt with or surpass 100 degrees as this air mass which broke numerous all-time record highs yesterday hangs on at least a little longer.
By Ian Livingston |
05:00 AM ET, 07/23/2011 |
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Posted at 04:55 AM ET, 07/23/2011
By Ian Livingston
This looks like It could be about as hot as you’ll see for a soccer game in D.C. If headed out early for pre-gaming, take extra precaution as highs near 100 and heat indices are even higher.
By Ian Livingston |
04:55 AM ET, 07/23/2011 |
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Posted at 05:55 PM ET, 07/22/2011
By Jason Samenow
Dulles and BWI airports blew by old record high temperatures for the date this afternoon, reaching at least 105 and 106, respectively. Dulles’ 105 is the hottest temperature ever recorded there. Reagan National’s heat index (factoring in humidity) reached 121 at 3 p.m., the highest known level since 122 on July 16, 1980. Excessive heat warnings remain in this evening and Saturday when dangerous heat is once again likely.
By Jason Samenow |
05:55 PM ET, 07/22/2011 |
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Posted at 02:45 PM ET, 07/22/2011
By Steve Tracton
As much of the U.S. suffers through oppressive and dangerous heat and humidity, many regions in Australia and South America have experienced near or actual record cold and snow (it’s winter there). Most unusual was the wintry blast earlier in July which dumped 31.5 inches of snow, the heaviest snowfall in almost two decades, on the Atacama Desert region along the Pacific coast of Chile.
By Steve Tracton |
02:45 PM ET, 07/22/2011 |
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Posted at 01:30 PM ET, 07/22/2011
By Jason Samenow
If you detest the heat, cover your eyes and don’t look at the series of maps above One of our best long-range forecast models, known as the Euro, predicts a big heat wave repeat this time next week. The simulations above show 2 p.m. temperatures in the neighborhood of 95-100 degrees Thursday through Saturday around Washington, D.C. 100+ readings are seen over central Virginia into North Carolina.
By Jason Samenow |
01:30 PM ET, 07/22/2011 |
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Posted at 12:40 PM ET, 07/22/2011
By Steve Tracton
The continuing heat wave, now toasting the East Coast, motivated me to open the pages of my notebook of hot weather humor. Perhaps a little levity will help you make it through the oppressive heat/humidity/haze (“triple H”) conditions. In that spirit, I submit some of my favorite hot weather jokes and humor. Please feel free to provide additional jokes, stories or videos in comments.
By Steve Tracton |
12:40 PM ET, 07/22/2011 |
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Posted at 11:20 AM ET, 07/22/2011
By Jason Samenow
The core of the heat wave that has broiled much of the eastern two thirds of nation this week concentrates on the East Coast today, with the most extreme levels focused on the mid-Atlantic. The combination of near-record heat and oppressive humidity will produce heat index values of 115-120 from Richmond to Philadelphia. NOAA reports 132 million people in 29 states and Washington, D.C. are under heat advisories or excessive heat warning today.
By Jason Samenow |
11:20 AM ET, 07/22/2011 |
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Posted at 09:50 AM ET, 07/22/2011
By Jason Samenow
Reagan National Airport dropped to a mere 83 degrees this morning, which - barring a cooling thunderstorm this evening - will set a new record high minimum temperature for the date. Even more impressive, that steamy 83-degree low (assuming it stands) would tie for the second warmest low all-time in Washington, D.C. (since records began in the late 1800s).
By Jason Samenow |
09:50 AM ET, 07/22/2011 |
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Posted at 05:00 AM ET, 07/22/2011
By A. Camden Walker
Perhaps the most extreme (heat + humidity) day or two in the last few decades is upon us. Temperatures today probably rise into the 100s everywhere, with heat indices above 115 possible. Heat illnesses are very possible in these prolonged extreme conditions, so please take it easy so that your body does not go into shock. Unfortunately, tomorrow looks just about as hot.
By A. Camden Walker |
05:00 AM ET, 07/22/2011 |
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Posted at 04:40 PM ET, 07/21/2011
By Jason Samenow
We’re now literally in the thick of this oppressive heat wave, with the worst still to come. Heat indices today climbed to 110-115 and may reach higher levels Friday. In addition, air quality levels are expected to be unhealthy Friday, and a code red alert has been issued. With triple digit heat and stifling humidity likely again Saturday, the excessive heat warning has been extended.
By Jason Samenow |
04:40 PM ET, 07/21/2011 |
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Posted at 04:00 PM ET, 07/21/2011
By Jason Samenow
Readers, radio show hosts, and even meteorologists are questioning whether this is an unusual heat wave. I keep hearing this is just typical July heat. No it’s not. Let me explain...
By Jason Samenow |
04:00 PM ET, 07/21/2011 |
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Posted at 02:00 PM ET, 07/21/2011
By Jason Samenow
I just did a live online video, discussing the heat and answering questions sent in by readers/viewers. You can watch the video in this post and read answers to questions I did not get to.
By Jason Samenow |
02:00 PM ET, 07/21/2011 |
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Posted at 12:20 PM ET, 07/21/2011
By Jason Samenow
The winner of Capital Weather Gang’s heat wave name poll, after nearly 1500 votes, is Sweat Ceiling. This was submitted first by on Twitter yesterday morning. The noon heat index was already 109 degrees, higher than any heat index reached during the summer of 2010, D.C.’s hottest on record.
By Jason Samenow |
12:20 PM ET, 07/21/2011 |
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Posted at 11:30 AM ET, 07/21/2011
By Don Lipman
On July 21, 1861, about three months after the beginning of the Civil War, the first major battle was fought between poorly trained Union and Confederate troops. The battle, an early victory for the Confederacy, was said to have been waged during a “hot and sultry” period. It was said to be so hot that, by the time hostilities began, bodies of slain troops at the earlier (July 18th) battle site of Blackburn’s Ford were said to be bloated and “unrecognizable.” But just how hot was it during that fateful period and how did the weather compare to the heat wave now enveloping D.C .(and much of the country)?
By Don Lipman |
11:30 AM ET, 07/21/2011 |
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Posted at 10:30 AM ET, 07/21/2011
By Jason Samenow
Questions have arisen as to whether the heat index is a legitimate scientific measure. It is. There’s truth in the saying, “it’s not the heat, it’s the humidity.”
By Jason Samenow |
10:30 AM ET, 07/21/2011 |
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Posted at 05:00 AM ET, 07/21/2011
By David Streit
A potentially deadly combination of heat and humidity is upon us. Excessive heat warnings are in effect from noon to 8 p.m. both today and tomorrow, when heat indices may near or exceed 110 degrees. If you must be outside for extended periods of time, hydrate frequently and take indoor breaks. Not only do we have the chance to challenge high (day time) temperature records but we could also potentially set record high low (night time) temperatures.
By David Streit |
05:00 AM ET, 07/21/2011 |
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Posted at 06:20 PM ET, 07/20/2011
By Jason Samenow
Thanks to all of our blog readers, Twitter followers, and Facebook fans, we received an overwhelming number of suggestions for naming this heat wave. We were blown away by all the compelling, creative names submitted. A team of Capital Weather Gang contributors sifted through them all and we have narrowed them down to a half dozen finalists. Vote for your favorite in this post.
By Jason Samenow |
06:20 PM ET, 07/20/2011 |
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Posted at 03:25 PM ET, 07/20/2011
By Ian Livingston
Temperatures stepped down slightly today in many spots compared to yesterday, but it’s a brief respite and temperatures in or near the mid-90s are not too much fun! But first, a pop up storm or two may impact you heading into the evening. Overnight is warm and muggy, and then we scorch.
By Ian Livingston |
03:25 PM ET, 07/20/2011 |
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Posted at 02:20 PM ET, 07/20/2011
By Jason Samenow
Over the last few days, I’ve blogged about heat index values of 130 or higher in parts of Iowa and Minnesota and dew points (a measure of humidity) over 80 (any dew point over 70 means really high humidity). Has the District seen heat and humidity readings reach these levels?
By Jason Samenow |
02:20 PM ET, 07/20/2011 |
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Posted at 12:55 PM ET, 07/20/2011
By Jason Samenow
Today alone, 141 million Americans are under heat advisories or heat warnings from the Midwest to the Ohio Valley. That’s after 78 million were afflicted by extreme heat Tuesday over an area the size of Mexico. By far, the most impressive heat and humidity records yesterday fell in Minnesota, where Minneapolis had its most humid day on record.
By Jason Samenow |
12:55 PM ET, 07/20/2011 |
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Posted at 10:40 AM ET, 07/20/2011
By Jason Samenow
Some folks hate the extreme weather name game, but many have a lot of fun with it. So we’re now officially accepting suggestions for a name for this heat wave, affecting not only the D.C. metro region, but also about half the U.S. population according to NOAA.
By Jason Samenow |
10:40 AM ET, 07/20/2011 |
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Posted at 05:00 AM ET, 07/20/2011
By Dan Stillman
It’s another very hot and humid one today, with maybe an isolated p.m. storm. But for Thursday, Friday and Saturday, we’re talking downright dangerous heat and humidity with highs in the upper 90s to low 100s and heat indices as high as near 110-115. The heat may or may not subside ever-so-slightly on Sunday, with real relief probably waiting for the next work week.
By Dan Stillman |
05:00 AM ET, 07/20/2011 |
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Posted at 04:55 AM ET, 07/20/2011
By Dan Stillman
Even if there is a storm - and odds are only around 20% - that would probably make the air even more muggy than the uncomfortable levels already expected. You’ll want to stay hydrated even after the sun goes down.
By Dan Stillman |
04:55 AM ET, 07/20/2011 |
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Posted at 04:50 AM ET, 07/20/2011
By Capital Weather Gang
Hurricane tracking maps, 2011 storm names and more.
By Capital Weather Gang |
04:50 AM ET, 07/20/2011 |
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Posted at 06:30 PM ET, 07/19/2011
By Jason Samenow
NOAA has upped its peak heat index prediction for D.C. Friday to a stunning, sweltering 116 degrees. Remarkably, it predicts there is a 90 percent chance it will reach at least 110 and a 100 percent chance of at least 105.
By Jason Samenow |
06:30 PM ET, 07/19/2011 |
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Posted at 03:30 PM ET, 07/19/2011
By Jason Samenow
Heat and humidity levels overachieved today, with temperatures reaching the mid-90s and peak heat indices close to 105. The atmosphere is juicy, and scattered thunderstorms are likely through the evening, especially in the northern suburbs. For Wednesday, it’s remains hot but is very slightly less humid than today with little chance of storms.
By Jason Samenow |
03:30 PM ET, 07/19/2011 |
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Posted at 01:20 PM ET, 07/19/2011
By Ian Livingston
Even though the average high temperature never quite reaches 90, Washington hits at least 90 36 times in an average year. Of course, this average comes from some pretty wide swings, like going from 11 such days in 2004 to 67 in 2011. Find out just about everything you need to know about 90s in D.C., and let us know if there is something we’re missing!
By Ian Livingston |
01:20 PM ET, 07/19/2011 |
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Posted at 12:15 PM ET, 07/19/2011
By Jason Samenow
The National Weather Service has issued an excessive heat watch for Thursday afternoon and evening for the Washington, D.C. metro region.. High temperatures are forecast to reach the upper 90s to around 100 degrees, with heat index values of 105 to 110.
By Jason Samenow |
12:15 PM ET, 07/19/2011 |
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Posted at 11:10 AM ET, 07/19/2011
By Jason Samenow
While setting hundreds of new heat records, the most notable aspect of the current heat wave gripping the central U.S. and spreading east is the associated humidity. In the upper Midwest Monday, the combination of heat and humidity brought widespread heat index values of 110+, with numerous 120 degree readings. The peak heat index occurred in Knoxville, Iowa, which reached a suffocating 131 degrees.
By Jason Samenow |
11:10 AM ET, 07/19/2011 |
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Posted at 05:00 AM ET, 07/19/2011
By Matt Rogers
Severe heat is still aiming for the metro area by late this week, especially from Thursday onward with 100 degree readings and dangerous heat index levels. Fortunately, today, we have more cloud cover and a better chance of thunderstorms and showers (60% likelihood) to put a lid on the still very warm temps.
By Matt Rogers |
05:00 AM ET, 07/19/2011 |
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Posted at 07:00 PM ET, 07/18/2011
By Capital Weather Gang
This page contains basic information about extreme heat events, heat safety, local cooling center information, and heat weather forecast information and data.
By Capital Weather Gang |
07:00 PM ET, 07/18/2011 |
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Posted at 04:00 PM ET, 07/18/2011
By Ian Livingston
Day 25 of 90 degree or higher heat is in the books, and we’re about to add a good number more in the days ahead. While we’re initially on slow bake settings, the atmosphere should torch us by the end of the week. Odds of cooling rain are not great at any point in time, but tomorrow may offer our best chance of such.
By Ian Livingston |
04:00 PM ET, 07/18/2011 |
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Posted at 03:00 PM ET, 07/18/2011
By Jason Samenow
This morning, I forecast: “Thursday through Saturday are most likely excessively hot and humid with highs Thursday 98-102, Friday 99-104, and Saturday 99-103.” I noted the record highs for those three days are are 104, 103, 101. This morning’s Global Forecast System model projects highs of 100 Thursday, 103 Friday, and 96 Saturday. The all-time record hottest temperature in D.C. is 106. In this post, readers can fill out a poll to fill out their pick for the hottest temperature and heat index this week.
By Jason Samenow |
03:00 PM ET, 07/18/2011 |
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Posted at 01:30 PM ET, 07/18/2011
By Greg Postel
Maximum sustained winds are estimated to be near 50 mph, with some strengthening possible during the next day or so as it moves over warm water (mid-80s) and remains surrounded by relatively weak flow aloft. The official track directs Brett northeastward out to sea, never coming closer to the U.S. mainland than it is right now. Maximum sustained winds are estimated to be near 50 mph, with some strengthening possible during the next day or so as it moves over warm water (mid-80s) and remains surrounded by relatively weak flow aloft. The official track directs Brett northeastward out to sea, never coming closer to the U.S. mainland than it is right now.
By Greg Postel |
01:30 PM ET, 07/18/2011 |
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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 05:00 AM ET, 07/18/2011
By Jason Samenow
A long duration heat wave, likely to span the entire week (at least), begins today. Through Wednesday, the heat is fairly ordinary by D.C. standards - with low-to-mid 90s, and heat index values near 100. But Thursday through Saturday brings the chance of triple digit heat and heat index values at dangerous 105-110 degree levels.
By Jason Samenow |
05:00 AM ET, 07/18/2011 |
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Posted at 05:00 AM ET, 07/17/2011
By Brian Jackson
CAPITAL WEATHER GANG | Get your ACs ready because by mid-to-late week, highs likely will near 100.
By Brian Jackson |
05:00 AM ET, 07/17/2011 |
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Posted at 05:00 AM ET, 07/16/2011
By Ian Livingston
The rumors are true, more heat is on the way. But first, another day of relatively low humidity and temperatures that are near or below average in the mid-80s to near 90. It's all downhill from here when it comes to temperatures and humidity!
By Ian Livingston |
05:00 AM ET, 07/16/2011 |
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Posted at 04:30 PM ET, 07/15/2011
By Dan Stillman
Unexpected clouds only slightly tarnished an otherwise delightful day today with low humidity and pleasant highs in the low 80s. Plenty of sun should shine down over the weekend. Humidity begins its comeback by Sunday and the new work week likely features an extended stretch of 90+ heat.
By Dan Stillman |
04:30 PM ET, 07/15/2011 |
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Posted at 03:40 PM ET, 07/15/2011
By Jason Samenow
Already during July, 882 record high temperatures have been tied or set across the U.S. At the same time, drought is more extensive than any time since at least 2000. Over the weekend and next week, the drought will worsen in many areas while a remarkable burst of humid heat surges north and then east.
By Jason Samenow |
03:40 PM ET, 07/15/2011 |
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Posted at 01:00 PM ET, 07/15/2011
By Jason Samenow
Typhoon Ma-on, now as strong as a category four hurricane, continues on a path through the western Pacific towards Japan. The storm, located 270 nautical miles south-southeast of Iwo Jima, contains maximum sustained winds of about 130 mph. Currently moving west around 15 mph, track guidance steers Ma-on towards the coast of central Japan Tuesday morning, just southwest of Tokyo.
By Jason Samenow |
01:00 PM ET, 07/15/2011 |
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Posted at 11:15 AM ET, 07/15/2011
By Steve Tracton
In the study of more than 35,000 major league baseball games, eleven performance measures from batting, pitching, and fielding were related statistically to varying levels of cloud cover. More specifically, the study evaluated whether the collective differences in offensive production, pitching, and fielding led to changes in “home field advantage”. A principal finding: cloudy skies benefit the batter while clear skies benefit the pitcher.
By Steve Tracton |
11:15 AM ET, 07/15/2011 |
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Posted at 05:00 AM ET, 07/15/2011
By Brian Jackson
We’ve got another splendid one to put in the books today as Canadian high pressure continues to control our skies. Mid-80s and low humidity is to be welcomed around here this time of year and I plan to enjoy it while it lasts, because we all know it can’t. The sunshine we’ll see can’t be held in check forever and our highs creep slowly upward through the weekend. Get ready, as we begin the week anew, some of the hottest, muggiest air of the season tries to head our way.
By Brian Jackson |
05:00 AM ET, 07/15/2011 |
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Posted at 04:45 PM ET, 07/14/2011
By Jason Samenow
It simply doesn’t get much finer than today in the middle of July. How can you top mid-80s, low humidity, and a light, cooling breeze from the north? You might not be able to top that combo, but you can match it, and that’s what we do tomorrow. Enjoy, before heat and humidity return next week.
By Jason Samenow |
04:45 PM ET, 07/14/2011 |
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Posted at 02:15 PM ET, 07/14/2011
By Jason Samenow
This weekend, a huge dome of heat will envelop the central part of the country, stretching from the Gulf Coast to the Canadian border. And by early next week, the heat will spread towards the East Coast. Computer model forecasts indicate this is likely to be a long-lived, dangerous mid-summer heat wave.
By Jason Samenow |
02:15 PM ET, 07/14/2011 |
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Posted at 11:15 AM ET, 07/14/2011
By David Streit
All gardeners have their horror stories when it comes to caterpillars in the garden devouring their hard work. My pansies disappeared thanks to all the munching. But to my surprise, a couple weeks later the garden was aflutter with hordes of fritillaries! I was hooked on finding other ways to help promote the caterpillars
By David Streit |
11:15 AM ET, 07/14/2011 |
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Posted at 05:00 AM ET, 07/14/2011
By David Streit
Now this is a day to be thankful for Canada! Our breeze originating from the north is pulling down a beauty of an airmass manufactured at no charge. Humidity levels are just dandy for not only today but through most of the weekend.
By David Streit |
05:00 AM ET, 07/14/2011 |
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Posted at 05:15 PM ET, 07/13/2011
By Jason Samenow and Ian Livingston
A cold front is about to usher in much more pleasant weather, but not before we hit 90+ yet again. Afternoon storms — some severe and containing flooding rain — began the cooling process, and that continues nicely into the overnight. Just wait ‘til tomorrow, it should be splendid with lots of sun and highs in the 80s!
By Jason Samenow and Ian Livingston |
05:15 PM ET, 07/13/2011 |
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Posted at 01:00 PM ET, 07/13/2011
By Jason Samenow
Still in the midst of its long recovery from the earthquakes and tsunami of early March, Japan must now keep a watchful eye on typhoon Ma-on, rapidly intensifying in the western Pacific. The storm could impact the disaster-ravaged country early next week.
By Jason Samenow |
01:00 PM ET, 07/13/2011 |
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Posted at 11:10 AM ET, 07/13/2011
By Jason Samenow
After just six months, natural catastrophes have already resulted in a record $265 billion in global damages, surpassing the entirety of 2005, the previous record-holder, according to German reinsurer Munich Re.
By Jason Samenow |
11:10 AM ET, 07/13/2011 |
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Posted at 05:00 AM ET, 07/13/2011
By Dan Stillman
The nice thing about this summer’s bursts of high heat is they’ve been relatively short-lived, with substantial stretches of kinder and gentler heat in between. After yesterday’s sizzler, temperatures and humidity are on their way down once again, although not really noticeably so until tomorrow. Scattered afternoon storms today precede the drier air.
By Dan Stillman |
05:00 AM ET, 07/13/2011 |
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Posted at 04:00 PM ET, 07/12/2011
By Jason Samenow
Although temperatures today warmed a few degrees compared to yesterday, it actually felt cooler due to modestly lower humidity levels. Tomorrow, the downward trend in humidity continues and temperatures step down a few degrees too. The big drop in humidity arrives tomorrow night, but we may have to get through some showers/storms first.
By Jason Samenow |
04:00 PM ET, 07/12/2011 |
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Posted at 02:50 PM ET, 07/12/2011
By Jason Samenow
East of the continental divide, it’s difficult to escape today’s scorching heat. NOAA reported that as of 1 p.m., heat advisories or excessive heat warnings affected 150 million Americans in 23 states.
By Jason Samenow |
02:50 PM ET, 07/12/2011 |
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Posted at 12:50 PM ET, 07/12/2011
By Jason Samenow
Last night’s thunderstorms, a few of which were severe, produced two bands of meaningful rain. One band tracked from Loudoun county through Montgomery county then into northern Montgomery and Anne Arundel counties. A second band tracked from Prince William county through Charles county. Both bands generally dropped about 0.25-0.5” of rain, with some isolated areas receiving 0.5-1”. In between these two bands, there was a noticeable gap in precipitation (where less than 0.1” fell), a recurring theme in 2011 begging the question: can this really just be a coincidence?
By Jason Samenow |
12:50 PM ET, 07/12/2011 |
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Posted at 10:40 AM ET, 07/12/2011
By Kevin Ambrose
Exactly one week after photographing the July 4th fireworks in Washington, I was back in Rossyln to photograph a different type of fireworks show. A storm to the east of Washington Monday evening put on a nice light show as it moved across the sky from northwest to southeast.
By Kevin Ambrose |
10:40 AM ET, 07/12/2011 |
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Posted at 05:00 AM ET, 07/12/2011
By Matt Rogers
Major heat problems today with temperatures well up into the 90s and heat index values above 100 degrees. The National Weather Service is warning about unhealthy air quality for sensitive groups (Code Orange) and high heat levels. Improving conditions by tomorrow with lowering humidity. Cooler, comfortable weather rebounds in the region for Thursday-Friday.
By Matt Rogers |
05:00 AM ET, 07/12/2011 |
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Posted at 06:00 PM ET, 07/11/2011
By Ian Livingston and Jason Samenow & Dan Stillman
D.C.’s into its fourth heat wave of the year and it peaks today and tomorrow. We’re watching some storms to the northwest, and odds are increasing they may impact the region after 8 or 9 p.m. tonight. And then we have tomorrow’s big heat, and the heat advisory that goes with it. Take it easy out there!
By Ian Livingston and Jason Samenow & Dan Stillman |
06:00 PM ET, 07/11/2011 |
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Posted at 02:15 PM ET, 07/11/2011
By Jason Samenow
A heat advisory has been issued for the metro region from noon to 8 p.m. Tuesday. High temperatures are likely to reach the upper 90s to around 100. Factoring in the humidity, it is projected to feel as hot as 102 to 106. Before this heat takes hold, a complex of thunderstorms, with a long history of producing damaging winds, could impact the region tonight
By Jason Samenow |
02:15 PM ET, 07/11/2011 |
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Posted at 11:45 AM ET, 07/11/2011
By Jason Samenow
A ferocious line of thunderstorms with winds to hurricane strength tore through Chicago this morning, knocking out power to more than 660,000 residents. The Weather Channel reports that power provider ComEd is saying this could be one of the top five outages in their system’s history.
By Jason Samenow |
11:45 AM ET, 07/11/2011 |
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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 05:00 AM ET, 07/11/2011
By Jason Samenow
The next two days present the trio of horrible h’s - haze, heat, and humidity. If we can persevere through them, we’ll be handsomely rewarded with very pleasant summer weather by Thursday. What about rain chances? Not great this week. Tuesday and Wednesday offer slight storm chances; otherwise, it’s bone dry.
By Jason Samenow |
05:00 AM ET, 07/11/2011 |
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Posted at 05:00 AM ET, 07/10/2011
By Brian Jackson
Today is nearly a copycat of yesterday with plenty of sun and low-90s warmth. Humidity’s not too bad, but more potent heat and humidity settle in tomorrow and Tuesday, with storm chances returning as well.
By Brian Jackson |
05:00 AM ET, 07/10/2011 |
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Posted at 04:55 AM ET, 07/10/2011
By Brian Jackson
Lots of sun and warmth as the Nats head into the all-star break.
By Brian Jackson |
04:55 AM ET, 07/10/2011 |
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Posted at 05:00 AM ET, 07/09/2011
By Ian Livingston
After yesterday’s slow-moving downpours, a dry day is probably in order. Today delivers! And it probably continues into Monday before the next storm threat. Highs today rising into the 80s and near 90 should also slowly warm over the next few, potentially into the mid-90s or so before all is said and done.
By Ian Livingston |
05:00 AM ET, 07/09/2011 |
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Posted at 04:55 AM ET, 07/09/2011
By Ian Livingston
It’s looking like a pretty classic summertime game weatherwise. It’ll be warm but not unbearable, and the same goes for humidity levels. Enjoy!
By Ian Livingston |
04:55 AM ET, 07/09/2011 |
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Posted at 06:45 PM ET, 07/08/2011
By Jason Samenow
Partial clearing has already begun along and west of I-95 and heavy showers and storms will gradually push through southern Maryland ending the flood and storm threat there. For the remainder of tonight, skies will be variably cloudy. Some additional shower activity cannot be entirely ruled out between 11 p.m. and 3 a.m. After that, we dry out with sunshine and drier air for both Saturday and Sunday.
By Jason Samenow |
06:45 PM ET, 07/08/2011 |
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Posted at 02:15 PM ET, 07/08/2011
By Jason Samenow
The Weather Channel came out with its rankings of the hottest cities by region Thursday, and D.C. was tops in the Northeast. The other winners, by region? Northwest: Medford, Oregon; Midwest: Wichita, Kansas; Southeast: Montgomery, Alabama; South-central: Laredo, Texas; Southwest: Yuma, Arizona
By Jason Samenow |
02:15 PM ET, 07/08/2011 |
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Posted at 12:10 PM ET, 07/08/2011
By Justin Grieser
After record snowfall inundated parts of the Rockies last winter and well into spring, many western states are feeling the effects of a rapidly melting snowpack. As an area of high pressure developed over the West last week, soaring temperatures have accelerated snowmelt and continued to send torrents of water down local rivers and streams.
By Justin Grieser |
12:10 PM ET, 07/08/2011 |
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Posted at 10:30 AM ET, 07/08/2011
By Jason Samenow
The last launch in NASA’s 30-year space flight program is set for 11:26 a.m. today, weather permitting. The official Atlantic (STS-135) launch weather forecast assigns a 70 percent probability that weather will prohibit the launch. This post contains weather updates every 15-30 minutes as the launch time approaches.
By Jason Samenow |
10:30 AM ET, 07/08/2011 |
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Posted at 05:00 AM ET, 07/08/2011
By A. Camden Walker
A flash flood watch is in effect this afternoon into tonight as slow-moving thunderstorms are expected to impact the area. Last night, similar activity dropped up to 4-5” in and around Baltimore in a short period, and more widespread of the same is on tap today. In between showers and storms, look for mostly cloudy skies and highs in the 80s.
By A. Camden Walker |
05:00 AM ET, 07/08/2011 |
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Posted at 04:55 AM ET, 07/08/2011
By A. Camden Walker
Whereas it looked like earlier the game may be significantly delayed or postponed due to rain, it now appears a lot of the rain may be done prior to game time. However, some lingering showers could cause delay in the early innings. Still, looks good for getting it in.
By A. Camden Walker |
04:55 AM ET, 07/08/2011 |
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Posted at 03:40 PM ET, 07/07/2011
By Jason Samenow
Today was plenty hot - with highs reaching the mid-90s. A front draped across southern Pennsylvania separates our steamy airmass from cooler, drier air lurking to the north. As the front drifts southward, shower and thunderstorm chances increase. We have a small chance of storms this evening, but a much better chance Friday afternoon, when a Flash Flood Watch is in effect due to the potential for heavy rain in some locations.
By Jason Samenow |
03:40 PM ET, 07/07/2011 |
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Posted at 01:20 PM ET, 07/07/2011
By Ian Livingston
What can you say about July in Washington? It’s hot — in fact, it’s the hottest month of the year. Along with all that heat comes the near-daily risk of a pop-up thunderstorm in its usual hit-or-miss nature. But, the real story is the heat. The month tops all others in the 90-degree day category, averaging right around 14 such days.
By Ian Livingston |
01:20 PM ET, 07/07/2011 |
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Posted at 11:30 AM ET, 07/07/2011
By Jason Samenow
A tropical wave gliding into the Florida peninsula Friday threatens to push back the final flight of U.S. space shuttle Atlantis. The launch is scheduled for 11:26 a.m. Friday, coinciding with the possible arrival of showers and thunderstorms.
By Jason Samenow |
11:30 AM ET, 07/07/2011 |
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Posted at 05:00 AM ET, 07/07/2011
By David Streit
Today the main choice for going out is whether to carry a sweat towel or an umbrella. Humidity levels like this are a bit oppressive but certainly serve as fodder for a decent batch of thundershowers. Tomorrow the tropical moisture comes surging up from the south and with our weak front still around thundershowers are likely to be prevalent much of the afternoon/evening.
By David Streit |
05:00 AM ET, 07/07/2011 |
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Posted at 04:55 AM ET, 07/07/2011
By David Streit
At the moment, it looks a lot of the thunderstorm activity may remain north of D.C. this evening. Storms chance have dropped to just 30%. If they develop, it would most likely be in the later innings. Follow our Twitter feed (@capitalweather) for additional updates.
By David Streit |
04:55 AM ET, 07/07/2011 |
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Posted at 03:45 PM ET, 07/06/2011
By Ian Livingston
We spent much of the day battling clouds after some morning rain that moved through. Still, temperatures have risen to near average in the mid-and-upper 80s. We run a slight risk of another shower or storm through the evening, but tomorrow should bring more in the way of higher heat and higher late-day storm threats.
By Ian Livingston |
03:45 PM ET, 07/06/2011 |
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Posted at 02:30 PM ET, 07/06/2011
By Jason Samenow
On July 1, NOAA released its new climate normals - which are used as a baseline for comparison with the current weather. The new climate normals span the period 1981-2010, whereas the old climate normals encompassed 1971-2000. In a post last week, I indicated that across the United States, the new climate normals were warmer than the old climate normals by about 0.5 degree F and that every state’s new normals had warmed. But what about Washington, D.C.? How have normals in the Nation’s Capitol changed? In short - they have also warmed - and a bit more than the national average. And interestingly, Washington, D.C.’s “normal” snowfall has dropped.
By Jason Samenow |
02:30 PM ET, 07/06/2011 |
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Posted at 12:30 PM ET, 07/06/2011
By Jason Samenow
Video of the dust storm which enveloped Phoenix has gone viral. What caused the massive onslaught of sand?
By Jason Samenow |
12:30 PM ET, 07/06/2011 |
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Posted at 11:30 AM ET, 07/06/2011
By Kevin Ambrose and Ian Livingston
It’s kind of hard to top Ian’s photo from yesterday’s fireworks preview, but as Jason promised, here’s an assortment of firework photos that were taken by both me and Ian. As we have done a few times in the past, we decided to photograph the fireworks together and compare shots.
By Kevin Ambrose and Ian Livingston |
11:30 AM ET, 07/06/2011 |
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Posted at 05:00 AM ET, 07/06/2011
By Dan Stillman
No extreme heat, but no major breaks from typical summer warmth and moderate to high humidity through the weekend. A cold front stalled nearby is responsible for the somewhat stagnant pattern through Friday, with a chance of showers and storms each day. What about the weekend? At least one of the days looks rain-free.
By Dan Stillman |
05:00 AM ET, 07/06/2011 |
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Posted at 04:55 AM ET, 07/06/2011
By Dan Stillman
Could be a passing early-game shower or storm. Otherwise, it’s the usual summer warmth and muginess at the ballpark.
By Dan Stillman |
04:55 AM ET, 07/06/2011 |
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Posted at 04:45 PM ET, 07/05/2011
By Jason Samenow
After today’s high of 91, we have reached the steamy 90+ benchmark five out of five days this month. Dry air was supposed to gradually trickle in, but - in reality - humidity levels hardly budged from the sticky levels of recent days. Tomorrow, we have more heat and humidity and thunderstorms are possible.
By Jason Samenow |
04:45 PM ET, 07/05/2011 |
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Posted at 03:35 PM ET, 07/05/2011
By Jason Samenow
The severe thunderstorm that ripped through Arlington and the District Sunday evening was truly explosive. The image in this post shows the incredible structure of the storm as it developed over Fairfax county. The effervescent cloud evident is a classic example of an overshooting thunderstorm top - penetrating 50,000+ feet into the atmosphere.
By Jason Samenow |
03:35 PM ET, 07/05/2011 |
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Posted at 01:35 PM ET, 07/05/2011
By Matt Rogers
While not as hot at the record-shattering 2010, summer got off to a historically steamy start in Washington, D.C. Averaging more than four degrees above average, June 2011 tied with 1943 as the third hottest on record.
By Matt Rogers |
01:35 PM ET, 07/05/2011 |
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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 10:50 AM ET, 07/05/2011
By Capital Weather Gang
Capital Weather Gang photographers Kevin Ambrose and Ian Livingston were on the Mall last night photographing the fireworks. They’re planning to put up a post soon with their best work, but this post contains an appetizer...
By Capital Weather Gang |
10:50 AM ET, 07/05/2011 |
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Posted at 05:00 AM ET, 07/05/2011
By Matt Rogers
Typical summertime weather dominates this week with temperatures frequently near 90-degrees and afternoon-to-evening thunderstorm chances especially tomorrow through Friday. Today features less humidity and more sunshine.
By Matt Rogers |
05:00 AM ET, 07/05/2011 |
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Posted at 04:55 AM ET, 07/05/2011
By Matt Rogers
Lingering daytime heat, but modest humidity and very low rain risk.
By Matt Rogers |
04:55 AM ET, 07/05/2011 |
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Posted at 04:30 PM ET, 07/04/2011
By Jason Samenow
The frontal system which produced all of the thundery mayhem Sunday sinks south today. But it doesn’t scoot far enough away to break the heat or kill the storm threat. In fact, for much of the upcoming week, fronts flirt with us - never really clearing the air. That means regular storm chances and no real relief from 90 degree heat.
By Jason Samenow |
04:30 PM ET, 07/04/2011 |
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Posted at 05:40 AM ET, 07/04/2011
By Jason Samenow
Temps will be near or just above 90 for much of the game. Hydrate. Slight chance a shower or storm pulses through late.
By Jason Samenow |
05:40 AM ET, 07/04/2011 |
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Posted at 10:00 PM ET, 07/03/2011
By Jason Samenow and Dan Stillman
A severe thunderstorm watch has been issued until midnight for the entire metro region. A cold front moving through the area is likely to trigger scattered thunderstorms. The main threat with these storms will be dangerous lightning and torrential rain. However, a few storms may produce damaging winds and hail.
By Jason Samenow and Dan Stillman |
10:00 PM ET, 07/03/2011 |
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Posted at 05:10 AM ET, 07/03/2011
By Brian Jackson
Much of the area could really use some rain, so a decent chance of storms today isn’t exactly bad news, even if it is a holiday weekend. Today’s higher humidity relents a bit for the Fourth and storm chances scale back as well. But we’re not quite ready to give the “all clear” for fireworks time tomorrow evening.
By Brian Jackson |
05:10 AM ET, 07/03/2011 |
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Posted at 04:55 AM ET, 07/03/2011
By Brian Jackson
If there are any showers or storms, they probably don’t last long enough to wash out the game. But they might briefly soak you and your seat.
By Brian Jackson |
04:55 AM ET, 07/03/2011 |
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Posted at 05:00 AM ET, 07/02/2011
By Ian Livingston
July loves to add to the 90+ day list, and the next few should be no exception to that rule. Today’s temperatures near 90 to the low 90s probably step up another notch tomorrow, before a return to lower 90s on Independence Day. Sunday runs the best risk of a “cooling” shower or t’storm, and we’re trying our best to keep the 4th dry.
By Ian Livingston |
05:00 AM ET, 07/02/2011 |
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Posted at 04:55 AM ET, 07/02/2011
By Ian Livingston
You can’t ask for much more than mild temps and limited humidity for a summer doubleheader in D.C.
By Ian Livingston |
04:55 AM ET, 07/02/2011 |
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Posted at 04:50 AM ET, 07/02/2011
By Ian Livingston
As long as you’re not running around on the field, it might be hard to break a sweat during this one. Temperatures are mild, but not oppresive.
By Ian Livingston |
04:50 AM ET, 07/02/2011 |
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Posted at 07:00 PM ET, 07/01/2011
By Jason Samenow
If you look up in the sky the next several evenings at the right time, you’ll be treated to a view of the International Space Station.
By Jason Samenow |
07:00 PM ET, 07/01/2011 |
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Posted at 03:30 PM ET, 07/01/2011
By Ian Livingston
Temperatures near 90 today were accompanied by very low levels of humidity, and around here in the summer, that can be considered a victory. Over the holiday weekend we’re looking at more 90+ readings, probably throughout, with varied levels of humidity and only a small risk of some hit-or-miss storms, mainly on Sunday.
By Ian Livingston |
03:30 PM ET, 07/01/2011 |
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Posted at 01:45 PM ET, 07/01/2011
By Jason Samenow
The Las Conchas wildfire burning along the western edge of Los Alamos National Laboratory in New Mexico has grown to more than 103,800 acres (according to the Associated Press), making it the largest forest fire in New Mexico history. This new record has been set less than a month after the Wallow fire in Arizona became the largest in state history, burning more than 470,000 acres. And firefighters have responded to nearly 1500 wildfires in Texas this year, which have burned a record 3.3 million acres. The old Texas record was 1.98 million acres in 2006 (records have been kept for 25 years).
By Jason Samenow |
01:45 PM ET, 07/01/2011 |
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Posted at 11:10 AM ET, 07/01/2011
By Jason Samenow
An intense thunderstorm complex ripped through Chicago off of Lake Michigan late Thursday producing damaging winds, dazzling lightning, and ping-pong to golf-ball size hail.
By Jason Samenow |
11:10 AM ET, 07/01/2011 |
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Posted at 05:00 AM ET, 07/01/2011
By A. Camden Walker
We ring in July with higher heat and eventually higher humidity as well. But, this is D.C. and kind of the July standard! Highs today may hit 90 in a few spots, but going through the weekend 90 or above will be the norm. And of course, along with the higher heat comes higher humidity and those hazy skies. At least we got our treat even if it was a short one.
By A. Camden Walker |
05:00 AM ET, 07/01/2011 |
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Posted at 04:55 AM ET, 07/01/2011
By A. Camden Walker
This looks like a great way to kick off the Fourth of July weekend in the city! Expect mostly clear skies and temperatures dipping into the 70s. Oh yeah, humidity is still on a leave of absence!
By A. Camden Walker |
04:55 AM ET, 07/01/2011 |
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