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Posted at 8:40 AM ET, 08/18/2010

Flood warnings for much of D.C. area this morning

By Mike McPhate

* Warning map | Full Forecast thru weekend | Storm impacts: PostLocal *
* Outside now? Radar & more: Weather Wall | Share storm photos *

updated at 10:50 a.m.; originally posted at 6:38 a.m.

Flood warnings remain in effect for much of the area until 12:15 p.m. after what was a difficult commute, with multiple reports of flooding and numerous water rescues (get the latest from Dr. Gridlock). From the National Weather Service:




Areas under a Flood Warning include D.C., Montgomery and Farifax counties until 10:15 a.m. (extended to 12:15 p.m.); most of Anne Arundel and the northern half of P.G. counties until 11:30 a.m.; and northern Fauquier and most of Loudoun county until 11:45 a.m.

Remember -- it is not safe to drive through flooded roadways: turn around, don't drown.

By Mike McPhate  | August 18, 2010; 8:40 AM ET
Categories:  Floods  | Tags:  flood warning, washington  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: PM Update: Rain arrives tonight; Heavy tomorrow?
Next: Rain totals mounting, heaviest moving northeast


Oh joy. Flood warning. Just so long as my electricity stays on.

Posted by: Murre | August 18, 2010 7:07 AM | Report abuse

Streams of mud flowing from the unfinished Stoddert Playground construction site down 39th St. and adjacent streets. Ah well, the trees and grass, etc. need the moisture, since we still have a deficit.

Outdoor temp now down to 66 degrees where I live; doubt that we'll hit 80 today, unless it happened just after midnight.

Posted by: JerryFloyd1 | August 18, 2010 7:50 AM | Report abuse

Near Marymount in Arlington the rain has gotten much lighter. 2.7" in backporch rain gauge.

Posted by: Joel_M_Lane | August 18, 2010 7:56 AM | Report abuse

Jerry, 2AM observations were 81 National, 80 at Dulles.

Posted by: eric654 | August 18, 2010 8:20 AM | Report abuse

As seems to be happening frequently this year in particular, "heavier in the southern and eastern suburbs" means northern and western

Posted by: rocotten | August 18, 2010 8:46 AM | Report abuse

Re: the 2 a.m. DCA/IAD readings, thanks, Eric, so that means our 80-degree-or-higher streak is intact. Should be up to about 70. Ian posted that the accepted record is 72 consecutive days (a 19th century record of 84 consecutive is apparently not considered reliable or definitive).

So this weekend, we may see another warmth record.

Posted by: JerryFloyd1 | August 18, 2010 9:18 AM | Report abuse

Must be in VaTechBob's dome ... only about 1/4 inch in the rain gauge. might have blown a bit, as all the saucers under the plants are full of standing water ....

Posted by: weathergrrl | August 18, 2010 9:20 AM | Report abuse

3.1 inches so far just south of Rockville. A lull right now.

Posted by: DOG3521 | August 18, 2010 9:37 AM | Report abuse

Your rain total forecast is a huge bust...3.85" and counting here in the SS/TP area...

Posted by: steske | August 18, 2010 9:52 AM | Report abuse

I read the over-the-top rain amounts from the above postings and the local weather people happily report those exaggerated 3-4" rainfall amounts from the local elementary schools, but what's the official DCA amount. Based on Reagan Airport's past rain gauge amounts, I'm guessing about .4" so far.

Posted by: ShovelPlease | August 18, 2010 10:10 AM | Report abuse

There is a very extensive batch of rain over central and southern West Va. and eastern and southern Kentucky based movement on Mosaic could be headed this way. Will these raindrops be falling on our heads later today?

Posted by: JerryFloyd1 | August 18, 2010 10:26 AM | Report abuse

rocotten, the most consistent heavier band still seems to have set up south and east, we just ended up with another which set up shop through parts of the area. In actuality, it might often be best to leave location references out of a precip forecast since it often fits random patterns.

Posted by: Ian-CapitalWeatherGang | August 18, 2010 10:27 AM | Report abuse

ShovelPlease, DCA is right around .4 though may have picked up more since last ob. You can see on radar there was a thin but heavy band just north, like northern D.C. probably got 2-3" just a few miles away.

Posted by: Ian-CapitalWeatherGang | August 18, 2010 10:32 AM | Report abuse

The carpet in my basement is a bit wet in sections... the basement isn't flooded but it seems like some water came up through the basement floor. Any suggestions as to what to do? Do I need to lift the carptet up to get rid of the padding.... or can I just put some fans on the wet spots?

Posted by: PoorTeacher | August 18, 2010 10:38 AM | Report abuse

PoorTeacher, You might need to fully pull up the carpet (maybe permanently?) if there is seepage often. Also, get a dehumidifier AND fan. I don't want you suffering from mold & mildew problems...

Posted by: Camden-CapitalWeatherGang | August 18, 2010 10:53 AM | Report abuse

Tom K. just answered my question about p.m. rain. Three more rain "surges" on the way.

On Channel 7, a couple of weeks ago when a series of storms passed through, the lingua franca was moisture "training" (as in trains); on Channel 4, it's "surges".

Either way, it's wet.

Posted by: JerryFloyd1 | August 18, 2010 11:09 AM | Report abuse

Floods are becoming an tremendous problem for many people on the East Coast. The best thing any person can do to protect their home and their family is to purchase and regularly test a sump pump. Now, this can't stop severe floods from effecting you but it can prevent minor flooding due to heavier rain fall.

Posted by: BSS2 | August 23, 2010 2:48 PM | Report abuse


It really depends. If you have severe wet spots and you don't take care of them, you may have mold growth problems down the road.

Now, if the water came up through the basement floor you NEEEEED to seal the floor and possibly even fix any cracks. The only way to do this unfortunately is to remove your carpet. If you don't fix the source, you won't be able to fix the problem.

Hope this helps!

Posted by: BSS2 | August 23, 2010 2:51 PM | Report abuse

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