Maryland Severe Severe Thunderstorm Warning | Effective 07/28/2026 12:46

Headline: 
Severe Thunderstorm Warning issued July 28 at 3:46PM EDT until July 28 at 4:30PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 28, 2026 - 12:46pm
Expires: 
July 28, 2026 - 1:30pm
Description: 
At 346 PM EDT, severe thunderstorms were located along a line extending from near Greencastle to Williamsport to near Saint James, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. 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, Wilson-Conococheague, Williamsport, Mount Aetna, Mount Lena, San Mar, Long Meadow, Wolfsville, Saint James, Halfway, and Maugansville.
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