From the ABC 7 Weather team

Washington D.C. Forecast: Tornado Watch until 9pm

June 11, 2014 - 03:26 PM
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A Tornado watch is in effect until 9pm tonight for the majority of the D.C. Metro and points west. A Severe Thunderstorm Watch is in effect areas south and east of D.C.

This Evening:
Severe Storm Possible
Temperatures: 80s/70s
Precipitation: 80%
Thursday:
Partly Sunny, PM T-Storms
Highs: Mid 80s
Precipitation: 80%
Friday:
Partly Sunny, PM T-Storms
Highs: Mid 80s
Precipitation: 80%

TORNADO WATCH is in effect until 9 pm for the Greater Washington Area and points northward to Southern Pennsylvania and westward to and beyond the Appalachian Mountains. Numerous heavy to severe thunderstorms will likely develop. Isolated tornadoes are also a distinct possibility within the heaviest and most active thunderstorm cells. A Severe Thunderstorm Watch is in effect for St. Mary's County and areas south of the D.C. Metro all the way to northern North Carolina.

Related Blog: Severe storms possible this evening

Doppler radar is showing continuing development of thunderstorm clusters over central Virginia. As these storms move northward towards out area they will likely grown in number and coverage as abundant moisture and instability is well entrenched across the region. Our area is currently under an atmospheric trough of low pressure that will cause increasing wind shear and rotation within the thunderstorm structure as they advance northward. High winds, torrential downpours, large hail and isolated tornadoes will be possible until later tonight.

The very warm, humid and unstable air mass will remain in place tomorrow and Friday with the likelihood of more heavy and rain and thunderstorms until a cold front crosses our area later Friday. Cooler, less humid and more stable air will arrive just in time for the weekend.

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