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Posted at 08:50 PM ET, 05/27/2011

PM Update: Severe storm threat into evening

8:50 p.m. Update: Severe warnings are moving out of metro area to the northeast as storms head into Baltimore area; some showers trail behind from D.C. north through Montgomery County, but shouldn’t last long.

Damage/storm reports include trees down in Loudoun and Stafford counties and 4-inch limbs down at University of Mary Washington in Fredericksburg, Va. Also, 0.75” hail was reported in Adams Morgan, D.C., and a 60 mph wind gust in Gaithersburg, Md. Some pics of the storms as they came in: Columbia Heights (@DCBrit); Montgomery County (@blackrosetea); and Arlington (@nancypughUSA).

7:30 p.m. Update: Most of the metro area is under a Severe Thunderstorm Warning now, from Prince William north to central Montgomery and northern P.G. counties. Quarter-size hail and damaging winds near or over 70 mph possible, along with downpours and lightning. Storms move northeast through immediate area over the next 1-2 hours. The earlier Tornado Warning has expired.

Through Tonight: We run the risk of showers and storms through the evening (60%), but the severe threat should dwindle around sunset. Before then, the main severe weather risks are large hail and damaging winds – any tornado threat is quite minimal today. Heavy rain may also be an issue in spots. There could be an isolated shower or rumble after midnight as well (30%), as skies stay mostly cloudy. Lows fall to the mid-60s to near 70.

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Tomorrow (Saturday): We’ve still got a bit of upper-level energy in the area tomorrow, so a few showers or storms can’t be ruled out. I don’t expect them to cause too many problems though, and they should be most likely early in the morning and late in the afternoon. Temperatures probably end up slightly modified by periods of cloudiness, as we’ll likely have to deal with that much of the day. Highs should reach the low-to-mid 80s. It’s still muggy though as a south wind continues.

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Keep reading for earlier updates...

6:50 p.m. Update: TORNADO WARNING Fairfax, Prince William, Stafford counties til 7:15pm. Montclair, Dumfries, Triangle, Woodbridge, Dale City take cover. General area of storms moves north through metro area next couple hours, especially D.C. and west.

From 3:50 p.m.: A bit of upper-level energy related to the mid-week tornado outbreaks out west is entering the area today. The good news for us? It is much weakened and continuing to do so. Still, the “fuel” of afternoon temperatures in the mid-and-upper 80s, combined with this impulse entering the area, is enough to create a severe thunderstorm threat that lasts into the evening (t’storm watch ‘til 8 p.m.). Storms now moving up from between Roanoke and Richmond will continue on their general path, with others also possibly forming, bringing increased odds of storms over the next few hours.

By and  |  08:50 PM ET, 05/27/2011

Categories:  Forecasts

 
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