A watch means the potential exists for severe weather. In nearby Loudoun and Montgomery counties, the alert has been upgraded to a warning.
Meanwhile, Monday’s late-afternoon storms that moved through Reston caused several downed trees in the North Shore area. About 400 customers also lost power, Dominion Virginia Power said.
DAMAGING THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND EVENING
SEVERE WEATHER WARNINGS MAY BECOME NECESSARY FOR INDIVIDUAL STORMS AND WILL ALERT WEATHER RADIOS IF ISSUED. IF ONE IS ISSUED FOR YOUR AREA…KNOW WHAT TO DO. HERE ARE SOME SAFETY RULES TO KEEP IN MIND WHEN SEVERE WEATHER IS EXPECTED OR IS OCCURRING.
IF A WARNING IS ISSUED FOR YOUR SPOT…HEAD INDOORS IMMEDIATELY.
GO TO THE LOWEST FLOOR AWAY FROM WINDOWS. A SEVERE THUNDERSTORM IS
DEFINED AS PRODUCING QUARTER SIZE OR GREATER HAIL AND DAMAGING
WIND GUSTS OF 58 MPH OR MORE.