"The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for...
Montgomery County in central Maryland...
Rappahannock County in northwest Virginia...
Fauquier County in northern Virginia...
Warren County in northwest Virginia...
Clarke County in northwest Virginia...
Loudoun County in northern Virginia...
Prince William County in northern Virginia...
Fairfax County in northern Virginia...
* until 730 PM EDT
* at 642 PM EDT... National Weather Service Doppler radar indicated a
line of severe thunderstorms capable of producing hail up to the
size of quarters and damaging winds in excess of 60 mph. These
storms were located along a line extending from Leesburg to 15
miles southwest of Front Royal... and moving southeast at 15 mph.
* Locations impacted include...
St. Louis...
Leesburg...
Delaplane...
Oatlands...
Lansdowne...
Poolesville...
Hume...
Ashburn...
Precautionary/preparedness actions...
This is a dangerous storm. If you are in its path... prepare
immediately for damaging wind gusts... large hail and frequent cloud
to ground lightning. Move indoors to a sturdy building and stay away
from windows."