Maryland Severe Severe Thunderstorm Warning | Effective 07/21/2026 13:17

Headline: 
Severe Thunderstorm Warning issued July 21 at 4:17PM EDT until July 21 at 5:00PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 1:17pm
Expires: 
July 21, 2026 - 2:00pm
Description: 
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... South central Anne Arundel County in central Maryland... Northwestern Calvert County in southern Maryland... Southeastern Prince Georges County in central Maryland... Northeastern Charles County in southern Maryland... * Until 500 PM EDT. * At 416 PM EDT, a severe thunderstorm was located near Waldorf, moving northeast at 25 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... Chesapeake Beach, Deale, Upper Marlboro, Marlton, Dunkirk, Huntingtown, Hughesville, Owings, Baden, Aquasco, Friendship, Lower Marlboro, Tracys Landing, Sunderland, and Mount Harmony.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Area Description: 
Anne Arundel, MD; Calvert, MD; Charles, MD; Prince Georges, MD
Forcast Office: 
NWS Baltimore MD/Washington DC