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Capital Weather Gang: August 22, 2010 - August 28, 2010

Forecast: Sweet sunshine to become sweaty

Yesterday was glorious and today looks mighty fine as well. But we all had to know our historically hot summer wasn't finished with us yet. Tomorrow, the mercury reacquaints itself with the 90-degree threshold and has no problem sailing right by it Monday through Thursday. At least the humidity won't be horrible. If you're interested in rain, there's not a drop in the forecast.

By Jason Samenow  | August 28, 2010; 5:00 AM ET  |  Permalink  |  Comments (12)
Categories:  Forecasts  
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NatCast: Care-free weather against Cardinals

* Our Full Forecast | Weather Wall | Nationals Journal * Nationals vs. CardinalsSaturday Aug. 28, 7:05 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain78-8273-77Mostly clear0%A beautiful evening with temps falling into 70s under clear skies and low humidity.   NatCast appears on the day of every Nationals home game....

By Jason Samenow  | August 28, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
Categories:  NatCast  
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Forecast: Warm yet un-humid August weekend

After cool mornings, afternoon highs in the 80s today and tomorrow will feel warm, but comfortably so with no humidity to speak of. Sunday could heat up to near 90, yet the air should stay pretty dry. Even better, at least as far as outdoor plans are concerned, rain shouldn't be a concern whatsoever through the weekend. As we get into next week, we may well put together yet another string of 90-degree days, which is all the more reason to enjoy the current weather to its fullest.

By Camden Walker  | August 27, 2010; 4:00 PM ET  |  Permalink  |  Comments (16)
Categories:  Forecasts  
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Beach trip? Beware of dangerous rip currents.

If you're headed for any of the mid-Atlantic beaches this weekend, you're in for a treat: Sunny skies, low humidity, Saturday highs in the low 80s to near 80, and Sunday highs in the mid-80s. However, Mother Nature does have one serious trick up her sleeve, or in this case in the water: Dangerous rip currents courtesy Hurricane Danielle, which will be tracking northward in the Atlantic, likely to the east of Bermuda according to the National Hurricane Center.

By Dan Stillman  | August 27, 2010; 10:45 AM ET  |  Permalink  |  Comments (3)
Categories:  Beachcast, Tropical Weather  
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NatCast: Too gorgeous to let the Cardinals win!

Boy, perfect weather makes it tempting to attend! Wear a couple layers, just in case our acclimated-to-heat bodies feel "chilly" as temperatures drop toward 70 by game's end.

By Camden Walker  | August 27, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
Categories:  NatCast  
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PM Update: Near perfection through tomorrow

A cold front that has pushed through the area is helping drier air filter in on a sometimes gusty northwest wind. So far we're not seeing a lot of cooler air, but that will follow tonight into tomorrow. Highs today are reaching mainly into the mid-80s under plenty of sun. The next day or two are looking pretty amazing before the thermometer tries to make another run at 90+ thereafter.

By Ian Livingston  | August 26, 2010; 3:20 PM ET  |  Permalink  |  Comments (8)
Categories:  Forecasts  
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Forecasting hurricanes: Part 2

This is the second of a two-part series on hurricane forecasting. Part 1 detailed how reliable forecasts are expected to be as the 2010 tropical season finally starts to pick up steam. Part 2 looks at ongoing research into the development of tropical systems and the prospects for improved forecasts. Five years after Katrina, there's good news, bad news and some ugly news in the world of hurricane forecasting.

By Steve Tracton  | August 26, 2010; 11:00 AM ET  |  Permalink  |  Comments (6)
Categories:  Tracton, Tropical Weather  
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Forecast: Plenty of sun and low humidity

At least for the next 3 days, this is not the summer we have come to know. Unusually low humidity promotes afternoon splendor and allows overnight lows to fall well below normal. However, as we approach the end of the month and the end of the climatological summer, the threat of more 90+ days returns Sunday. It is interesting to note that while this summer has averaged more than 4 degrees above normal, it has also ended up ever so slightly wetter than average. That's quite a feat since we were surrounded by unseasonable dryness throughout much of the Northeast and mid-Atlantic.

By David Streit  | August 26, 2010; 5:00 AM ET  |  Permalink  |  Comments (9)
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NatCast: Mild and dry...play ball!

* Our Full Forecast | Weather Wall | Nationals Journal * Nationals vs. CardinalsThursday August 26, 7:05 p.m., Nationals Park First Pitch9th InningWeatherChance of RainLower 80sMid-70sClear5%A perfect night for a game with light breezes, warm temps and low humidity.   NatCast appears on the day of every Nationals home game....

By David Streit  | August 26, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
Categories:  NatCast  
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PM Update: Some sweet weather ahead

A slow moving upper-level low pressure and the associated cold air aloft have promoted another day with a fair amount of clouds across the area. Temperatures rising to near 80 and into the lower 80s combined with some largely "self defeating" sunshine are the main stories on the ground. Overall, not a bad day, especially when you think about all the heat we've been through and the fact that some more is on the horizon.

By Ian Livingston  | August 25, 2010; 3:15 PM ET  |  Permalink  |  Comments (3)
Categories:  Forecasts  
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Eaten by Aedes: The buzz on summer mosquitoes

Let's face it. Mosquitoes in the DC area have been voracious this summer. Their prolific populations have left us grabbing for the nearest can of DEET. Is it the heat? Severe thunderstorms? Drought? How have we coped ...or have we?

By Ann Posegate  | August 25, 2010; 11:00 AM ET  |  Permalink  |  Comments (16)
Categories:  Nature, Posegate, Wx and the City  
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Forecast: Mighty fine weather filters in

Are you excited for this forecast?... You should be. Maybe not as much for today, though most of the day should be perfectly fine. But definitely for tomorrow through Saturday, when each day features highs in the pleasant 80s, gloriously low humidity and plenty of sun. Temperatures and humidity may be on the rise again come Sunday, but neither should be too intense. So enjoy the homestretch of what's turned into a rather tame August compared to the record heat of June and July.

By Dan Stillman  | August 25, 2010; 5:00 AM ET  |  Permalink  |  Comments (11)
Categories:  Forecasts  
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NatCast: Nice night after early shower chance

Afternoon chances of a shower may linger into the first few innings of the game. Otherwise, it's a comfortable evening at the park with just a little humidity.

By Dan Stillman  | August 25, 2010; 5:00 AM ET  |  Permalink  |  Comments (1)
Categories:  NatCast  
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PM Update: 80 degree or higher streak ends

Well, we've finally done it. The extremely long streak of days with a high above 80 that began on June 9 had to come to a close sometime. Plentiful clouds with just a few isolated sunnier breaks have held temperatures in the low-to-mid 70s. Not a lot of rain has fallen today across the area, but an isolated shower remains an outside threat.

By Ian Livingston  | August 24, 2010; 3:15 PM ET  |  Permalink  |  Comments (3)
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Weather Services International: Expect warm fall

Weather Services International (WSI), a private forecasting company owned by the Weather Channel, is calling for a warmer than average fall for much of the mid-Atlantic and Northeast

By Jason Samenow  | August 24, 2010; 1:30 PM ET  |  Permalink  |  Comments (5)
Categories:  Local Climate  
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Is 2010 the most extreme year for D.C. weather?

Our friends at the fine local lifestyle blog "We Love DC" - In their post headlined "DC Mythbusting: Most Extreme Weather Ever" - recently posed an interesting question: ...in a town where the summer always feels like the most humid ever, and the winter always seems like the most miserable ever, has this year really been out of the ordinary?

By Jason Samenow  | August 24, 2010; 10:45 AM ET  |  Permalink  |  Comments (16)
Categories:  Capital Weather Gang  
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Forecast: Cloudy, cool August day

So normally, today's cool, cloudy and damp-ish forecast would be described as gloomy. But this has not been a "normal" sort of summer, so today can alternatively be described as a welcome extension to the reprieve from the frequent painful bouts of strong summer heat we've seen. As Jason noted yesterday, today could be the first time since June 9 that we don't top 80 degrees. And as Martha Stewart would say, "that is a good thing." I was tempted to push the daily digit higher, but I realize there are readers who won't like the clouds and may be bothered by an occasional shower or sprinkle.

By Matt Rogers  | August 24, 2010; 5:00 AM ET  |  Permalink  |  Comments (13)
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NatCast: Cloudy, cool for Cubs

* Our Full Forecast | Weather Wall | Nationals Journal * Nationals vs. CubsToday, 7:05 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain8477Mostly clear, warmer. 5%No weather problems are expected. Play ball!   NatCast appears on the day of every Nationals home game. Also, if you haven't already, join us...

By Matt Rogers  | August 24, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
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PM Update: Showers threaten tonight and tomorrow

Moderated humidity levels and temperatures in the low-to-mid 80s feel mighty fine today, and cool weather fans have a fair amount to cheer about over the coming few days. Clouds now on the increase foretell a chance of showers late today through at least late tomorrow, but after that we break out into some gorgeous weather for a few days. Even with no 90s on the immediate horizon, don't put away the shorts just yet.

By Ian Livingston  | August 23, 2010; 3:15 PM ET  |  Permalink  |  Comments (5)
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Danielle unlikely to threaten U.S.

The sixth tropical depression of the Atlantic hurricane season became tropical storm Danielle late Sunday as the circulation developed a core of sustained winds near the surface greater than 39 mph. Located in the Central Atlantic about 2,800 miles east-southeast of Jacksonville, Fla. (as of midday Monday), Danielle is moving slightly north of due west at about 16 mph. Maximum sustained winds are now estimated at 65 mph.

By Greg Postel  | August 23, 2010; 2:15 PM ET  |  Permalink  |  Comments (3)
Categories:  Tropical Weather  
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Greenland's new ice island slides toward the sea

Earlier this month we helped break news of a huge new ice island that calved off Greenland's Petermann Glacier. (That followed the story from earlier this summer that a major chunk of Greenland's Jakobshavn Glacier broke off as well). So, if you're like me, you may have a nagging question in the back of your mind right now: Where did that ice island -- which is about 40 percent larger than the District of Columbia -- go? Did it break up altogether? Is it roaming the North Atlantic, awaiting collision with a ship, Titanic style? Or is it floating up the Potomac, ready to wreak havoc on the Lincoln Memorial?

By Andrew Freedman  | August 23, 2010; 10:45 AM ET  |  Permalink  |  Comments (10)
Categories:  Climate Change, Freedman, Science  
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Forecast: Week starts showery, ends sensationally

On-and-off showers to start the week are hard to shake, but just wait 'til Friday when some of this summer's nicest weather arrives - long overdue. I think we'll see sunny and dry lows 80s that continue through the weekend. As I mentioned the other day, no 90-degree days are in our immediate future. With average temperatures continuing to decline, the odds of reaching the record of 68 days from 1980 (we're at 54 now) seem extraordinarily low at this point.

By Jason Samenow  | August 23, 2010; 5:00 AM ET  |  Permalink  |  Comments (23)
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NatCast: A couple showers for the Cubs?

* Our Full Forecast | Weather Wall | Nationals Journal * Nationals vs. CubsMonday Aug. 23, 7:05 p.m., Nationals Park First Pitch9th InningWeatherChance of RainUpper 70sMid-70sPartly cloudy30%The rain is not a definite, but a shower or two is certainly possible during the game. Don't think it will be enough to...

By Jason Samenow  | August 23, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
Categories:  NatCast  
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Forecast: Cooler, sometimes showery stretch

Well, it was nice while it lasted. A few days without the threat of storms and temperatures not threatening triple digits seemed almost out of place didn't it? While we won't be seeing any 100s (probably not even 90s) anytime soon, the risk of showers and thunderstorms does return at times today into the first half of the work week, though temperatures near to below average should limit the chances of anything severe.

By Brian Jackson  | August 22, 2010; 4:00 PM ET  |  Permalink  |  Comments (13)
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UnitedCast: Not hot... a little wet?

Temperatures aren't bad for an August day game. A shower or thundershower is possible, but shouldn't be a washout.

By Dan Stillman  | August 22, 2010; 5:00 AM ET  |  Permalink  |  Comments (0)
Categories:  UnitedCast  
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