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Posted at 5:45 PM ET, 05/11/2009

PM Update: An Evening Shower; Thunder?

By Ian Livingston

Sun tomorrow but on the cool side

* Scientists Suggest Re-framing Emissions Goals *

Clouds, some showers and cool weather returned today, with highs generally topping out in the low 60s. Fortunately these conditions won't stick around nearly as long this time as the last. Clouds and the risk of a few more showers -- even a rumble of thunder -- persist into evening before clearing begins late tonight.

Tonight: We may see a few more showers this evening, with a thundershower or two mixed in, till around midnight. There should be just enough cloudiness around to keep temperatures from plummeting to way-below-average numbers. Still, look for chilly lows into the mid-40s for the suburbs to right around 50 in D.C.

Tomorrow (Tuesday): After some possible leftover morning clouds, mostly sunny skies return tomorrow as do temperatures closer to average. Highs will rise to right around 70 and a pleasant northwest breeze will blow around 5-10 mph.

See Jason Samenow's full forecast through the weekend. And if you haven't already, join us on Facebook and follow us on Twitter.

VORTEX2: Last week I mentioned that VORTEX2 (Verification of Rotation in Tornadoes Experiment 2) was about to get underway. It started yesterday, and now scientists are awaiting their first opportunity to chase storms. Tomorrow and Wednesday may provide exactly that, with severe weather now anticipated in the Plains. Follow the team as they attempt to learn more about tornadoes, and check out live feeds from The Weather Channel daily from noon to 2 p.m., or when tornadic activity is occuring.

By Ian Livingston  | May 11, 2009; 5:45 PM ET
Categories:  Forecasts  
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Next: Line of T'storms to Roll Through Region


Broken clouds haven't held down the highs much here north of the Beltway, where it's been up to at least 69°.

Posted by: CapitalClimate | May 11, 2009 5:10 PM | Report abuse

Line of thunderstorms just now moving into Montgomery County from Loudoun and Frederick counties.

Posted by: MKadyman | May 11, 2009 6:05 PM | Report abuse

We just had about 35-45 minutes of sunshine here in eastern Montgomery County, now I see a very dark patch of clouds coming from the north-west, looks like thunderstorms and heavy rain, and that is what the radar is indicating as well. Got up to about 66*F with the sunshine.

Posted by: bastings | May 11, 2009 6:09 PM | Report abuse

According to Topper Shutt, this line of "low-topped" thunderstorms should move through the area in the next half-hour to hour.

We seem to be getting more of these "low-topped" storms this year than we are getting of the "garden variety".

Posted by: Bombo47jea | May 11, 2009 7:24 PM | Report abuse

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