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Posted at 9:13 PM ET, 05/ 6/2009

Potent Storms, Particularly Southeast of D.C.

By Jason Samenow

Tornado Watch Southeast and South of D.C.

* Tornado Watch, in effect until 4 a.m., includes parts of Anne Arundel, Calvert, and Charles counties in Md. (view map) *

Showers and thunderstorms, with embedded torrential downpours, are pivoting through the metro area from southwest to northeast. Rainfall amounts will conservatively be around 0.5" with locally higher amounts over 1" possible and even some isolated flooding. After this batch of storms roll through, several additional batches are likely overnight.

To the southeast and south, where the air is a bit more unstable, a few severe thunderstorms are possible -- with the threat of an isolated tornado. The risk is highest south and east of a line stretching from La Plata, Md. to Fredericksburg, Va.

See our full forecast, and our Weather Wall for the ultimate overview of D.C. area current conditions.

By Jason Samenow  | May 6, 2009; 9:13 PM ET
Categories:  Updates  
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Next: Forecast: Rain Chances Run Rampant


Thunder in Silver Spring clearly audible (and felt, too) over the loud new Decemberists CD.

Posted by: Murre | May 6, 2009 9:32 PM | Report abuse

Thunder! Rarrr!!

Posted by: SnowMonsterDC | May 6, 2009 9:34 PM | Report abuse

Major downpour in DC now. Some of these storms are training over the same spots... one spot without a ton of rain and other places close by over 1" already. Noticed the few rumbles of thunder were especially loud tonight. Storms seem mostly rainers around here, SPC being very cautious with the extra spin around.

Posted by: Ian-CapitalWeatherGang | May 6, 2009 9:41 PM | Report abuse

VERY heavy rain here in Culpeper Va. Seems there is some training going on.

Posted by: RWJ1990 | May 6, 2009 10:42 PM | Report abuse

Oakton is getting pounded. It downpours, then stops...downpours..stops. No thunder though.

Posted by: SPS1 | May 6, 2009 10:43 PM | Report abuse

Rain Guage is down! :/
I suspect we have picked up at least 1/2inch if not more in the last hour or two and more to come.

Posted by: RWJ1990 | May 6, 2009 10:46 PM | Report abuse

I just noticed that the Tornado Watch has been extended north to around Fredericksburg as well as Charles County.

Posted by: Murre | May 6, 2009 10:56 PM | Report abuse

And furthermore I just noticed that the actual post also mentions that Tornado Watch has been extended. Bedtime for me, obviously.

Posted by: Murre | May 6, 2009 10:58 PM | Report abuse

With saturated ground (over 2" of rain here this week) and what looks like training t-storms lining up, I'm surprised we don't have a FFW!

Posted by: bikerjohn | May 6, 2009 11:00 PM | Report abuse

There are reports of a tornado with a storm down southwest of Richmond. That activity looks to stay south. Training storms pointed at D.C. area.. someone could get a lot of rain tonight.

Posted by: Ian-CapitalWeatherGang | May 6, 2009 11:02 PM | Report abuse

Oakton has thunder and it looks like the train is coming through..

Posted by: SPS1 | May 6, 2009 11:34 PM | Report abuse

Light steady rain but also thunder and lightning here in Merrifield - and my electricity just blinked.

Posted by: --sg | May 6, 2009 11:49 PM | Report abuse

Rain, intermittently heavy at times with a few thunderstorms around here in the West Pike/Baileys Crossroads area. Ground is already saturated and we are very soggy. The big allergy threat is and continues to be mold. Pollen is about all washed out.

I'll still be interested in the Friday PM forecast w.r.t. my dance decision.

Posted by: Bombo47jea | May 6, 2009 11:53 PM | Report abuse

Still waiting for a drought update...

Posted by: stuckman | May 6, 2009 11:59 PM | Report abuse

The thunder and lightning woke me up. The rains are torrential and the line seems to be training over us. I've never seen it rain so hard.

Posted by: david_in_stafford | May 7, 2009 12:41 AM | Report abuse

Weather got pretty crazy out at IAD last night. The runway got closed down for departures for about 30 minutes. Some of the thunder was pretty loud, I could hear it clearly over the whine of jet engines.
I haven't seen it rain that hard in quite some time. I'm interested in seeing the forecast for tonight as well as tomorrow/tomorrow night.

Posted by: Havoc737 | May 7, 2009 6:41 AM | Report abuse

West Springfield (Accotink Lake/Mixing Bowl) storm sub-total to date (from last Wednesday to today 6:30am) = 3.27"

Posted by: bikerjohn | May 7, 2009 6:45 AM | Report abuse

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