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Posted at 7:30 PM ET, 08/22/2009

Heavy Rains, Storms Moving Through Region

By Jason Samenow

* Our Full Forecast | SkinsCast, NatCast & UnitedCast *
* The Latest on Bill | Follow Bill: Hurricane Tracking Center *

7:30 p.m. update: Rain is gradually moving out of the area from southwest to northeast. After rain clears the area between 8 and 9 p.m., we should be left with mostly cloudy skies and humid conditions overnight with only a slight (20%) chance of showers.

From earlier: A massive area of moderate to heavy rain, with embedded storms, will move into the metro region over the next hour or so. Rainfall totals will conservatively be an inch, with the potential for 2-3" or more in areas that receive the heaviest downpours. A Flash Flood Watch remains in effect through this evening. In addition to the heavy rain, thunderstorms with dangerous lightning and damaging winds are possible, particularly along and east of I-95. The heaviest and most concentrated rain is likely between 3 and 6 p.m. with more widely scattered activity thereafter.

Monitor any severe warnings issued by the National Weather Service and radar on our Severe Weather Tracking Station below. Also, comment below with conditions where you are. And see our full forecast into early next week.

Severe Weather Tracking Station
Warning Text: DC | MD | VA * New: Lightning Map
Radar: Latest D.C. area radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here to see radar bigger.
LWX Warnings
Warnings: Severe alerts from National Weather Service. Updates w/o refresh (most browsers). Hint: Alert on map? Click matching label in key for details.

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By Jason Samenow  | August 22, 2009; 7:30 PM ET
Categories:  Updates  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: Bill Accelerating Northward, East of Carolinas
Next: NatCast: Spotty Showers?


It's raining so heavily here in Stafford that the road in front of our house has become a river of flowing water.

Posted by: david_in_stafford | August 22, 2009 2:48 PM | Report abuse

We just received 2.5" over the last hour and a half and it's still coming down in buckets.

Posted by: david_in_stafford | August 22, 2009 3:22 PM | Report abuse

Right along and east of i95 into DC really ramping up now, looks like an intense period of rain -- already pouring buckets of tiny drops, one or two rumbles.

Posted by: Ian-CapitalWeatherGang | August 22, 2009 3:24 PM | Report abuse

any thoughts on Steelers @ Redskins getting rained out tonight?

Posted by: kudzu13 | August 22, 2009 3:36 PM | Report abuse

It's great to see some much-needed rain!

Posted by: stuckman | August 22, 2009 3:41 PM | Report abuse


It has to rain pretty darn hard for a football game to get rained out, even a preseason one. So I doubt that's much of a possibility, especially since rainfall should become more scattered in nature this evening. Did you check out our SkinsCast? (and NatCast and UnitedCast?).

Posted by: Dan-CapitalWeatherGang | August 22, 2009 3:46 PM | Report abuse

Too bad it's such a boring day on Capital Weather Gang. If only we had heavy rain, flood and t-storm watches, sporting events, or a hurricane to talk about. Oh well, maybe another time.

Posted by: Dan-CapitalWeatherGang | August 22, 2009 3:49 PM | Report abuse

thanks Dan. I was at a preason game a few years ago versus the Steelers, and that one ended up getting rained out -- I think they were trying to avoid injuries. I did check out the SkinsCast, but I was sure how to square the 35% scattered showers with the green/yellow/red blob coming from the south. So I was just curious. =)

Posted by: kudzu13 | August 22, 2009 3:50 PM | Report abuse

Annandale. Dark sky. Big drops of rain. Thunder? Meh. So far, not bad.

Posted by: jhbyer | August 22, 2009 3:57 PM | Report abuse

West Springfield drought...

We've only received: .11" Wednesday and .19" last night. The heavy storms are trying their hardest to worm their way around us right now.

But it will move in...we'll get our inche(s).


Posted by: bikerjohn | August 22, 2009 4:16 PM | Report abuse

If it is just rain, the game may go on (maybe, they don't want to risk injuries in pre-season). But, if there is lightening, they will call the game. Too dangerous to have players running around the open field.

Just had a loud, long rumble here in Germantown.

Posted by: epjd | August 22, 2009 5:04 PM | Report abuse

Is this stuff really on the way out? Radar looks pretty nasty.

Posted by: BDVienna | August 22, 2009 5:07 PM | Report abuse

Has anyone noticed that this large area of precip is comma-shaped and has the indications of a meso-low? The heaviest storms are to the east, while to the north and west is a somewhat more stable area of steady rain and scatterd light thunderstorms aloft. It appears that a small low (or wave)formed in southern VA, possibly along the front, and tracked northward through the area, with the center roughly along I-95.

Posted by: MMCarhelp | August 22, 2009 6:27 PM | Report abuse

There was a very nice rainbow a few minutes ago.

Posted by: Kevin-CapitalWeatherGang | August 22, 2009 8:03 PM | Report abuse

MMCarhelp: I did notice that. Conditions just before the rain started here at dulles felt almost down right tropical.
Sat. images almost look like this area of precip is interacting with hurricane Bill just a bit.

Posted by: Havoc737 | August 22, 2009 8:05 PM | Report abuse

Rain gauge in the yard showed about 2.5" of rain today, and about 2" yesterday. We needed the rain, but if only it had held off another hour or two!

Posted by: exerda | August 22, 2009 8:09 PM | Report abuse

West Springfield just isn't in the 'multi-inch' roster... we got a new
0.35" of rain.

That's a bit more than a half inch for the week...

Posted by: bikerjohn | August 22, 2009 9:12 PM | Report abuse

@Kevin-CWG -- that rainbow was actually a double rainbow out here in the Ashburn area -- so beautiful!

Posted by: natsncats | August 22, 2009 10:39 PM | Report abuse

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