Maryland Severe Severe Thunderstorm Warning | Effective 07/28/2026 13:21

Headline: 
Severe Thunderstorm Warning issued July 28 at 4:21PM EDT until July 28 at 5:15PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 28, 2026 - 1:21pm
Expires: 
July 28, 2026 - 2:15pm
Description: 
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northeastern Washington County in north central Maryland... Northwestern Frederick County in north central Maryland... * Until 515 PM EDT. * At 421 PM EDT, a second line of severe thunderstorms were located along a line extending from near Smithsburg to San Mar to near Boonsboro, moving southeast 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... Hagerstown, Thurmont, Emmitsburg, Municipal Stadium, Robinwood, Fountainhead-Orchard Hills, Boonsboro, Smithsburg, Braddock Heights, Paramount-Long Meadow, Mount Aetna, Mount Lena, San Mar, Wolfsville, Saint James, Myersville, Cavetown, Keedysville, Funkstown, and Fairplay.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Frederick, MD; Washington, MD
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov