Maryland, Virginia, West Virginia Severe Thunderstorm Warning | Effective 05/20/2026 12:13

Headline: 
Severe Thunderstorm Warning issued May 20 at 3:13PM EDT until May 20 at 3:30PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 20, 2026 - 12:13pm
Expires: 
May 20, 2026 - 12:30pm
Description: 
At 313 PM EDT, a severe thunderstorm was located near Harpers Ferry, or 7 miles southeast of Shepherdstown, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include... Frederick, Charles Town, Ballenger Creek, Brunswick, Ranson, Braddock Heights, Harpers Ferry, Kearneysville, Corporation Of Ranson, Jefferson, Myersville, Bolivar, Buckeystown, Shenandoah Junction, Rosemont, Rohrersville, Burkittsville, Gapland, Brownsville, and Antietam.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Frederick, MD; Washington, MD; Loudoun, VA; Jefferson, WV
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov