NWS Baltimore MD/Washington DCSV.W 0491September 3, 2026
Severe Thunderstorm Warning: Carroll, Frederick, Howard and 1 more, MD
The National Weather Service office in Baltimore MD/Washington issued a severe thunderstorm warning for Carroll, Frederick, Howard and 1 more in Maryland, which was in force until 11:00 p.m. local time on September 3. It was the 491st severe thunderstorm warning the NWS office in Baltimore MD/Washington issued in 2026. Maryland had 32 severe thunderstorm warnings in September 2026, against 15 in an average September of 2008-2025 (Maryland's severe thunderstorm warnings by year).
ExpiredWarning
In force for 52 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Baltimore MD/Washington DC
- Area
- Carroll, Frederick, Howard and 1 more
- State
- Maryland
- Level
- Warning
- Issued
- 10:08 p.m. EDT, September 3, 2026
- Expires
- 11:00 p.m. EDT, September 3, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KLWX SV.W 0491
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Southeastern Carroll County in north central Maryland... Northwestern Howard County in central Maryland... North central Montgomery County in central Maryland... Central Frederick County in north central Maryland... * Until 1100 PM EDT. * At 1007 PM EDT, severe thunderstorms were located along a line extending from near Walkersville to Braddock Heights, moving east at 30 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, Damascus, Harry Grove Stadium, Eldersburg, Ballenger Creek, Mount Airy, Walkersville, Braddock Heights, New Market, Clover Hill, Discovery-Spring Garden, Green Valley, Linganore-Bartonsville, Jefferson, Woodsboro, Libertytown, Monrovia, Winfield, Utica, and Poplar Springs.
What the agency told people to do
For your protection move to an interior room on the lowest floor of a building.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.