Severe Thunderstorm Warning Issued for Carroll and Frederick Counties, Maryland

Alert Details

The National Weather Service in Baltimore MD/Washington DC has issued a Severe Thunderstorm Warning for portions of north central Maryland. At 6:40 PM EDT, a severe thunderstorm was located 7 miles northeast of Walkersville, or 8 miles southeast of Thurmont, moving east at 45 mph.

Affected Areas

The warning covers the following geographic regions:

• Northern Carroll County in north central Maryland
• East central Frederick County in north central Maryland

Specific locations impacted include Westminster, Hampstead, Manchester, New Windsor, Woodsboro, Union Bridge, Finksburg, Carrollton, Lineboro, Linwood, Patapsco, Reese, Uniontown, Wagners Mill, Millers, Greenmount, and Marston.

What You Should Do

Residents in the warned area should take the following precautions immediately:

• Seek Shelter: For your protection, move to an interior room on the lowest floor of a building.
• Stay Alert: Remain alert for a possible tornado, as they can develop quickly. If you spot a tornado, go at once to a basement or a small central room in a sturdy structure.
• Avoid Lightning: Move indoors immediately. Lightning is a leading killer; if you can hear thunder, you are close enough to be struck.

Expected Conditions

• Wind: Radar indicates wind gusts up to 60 mph. Damaging winds will cause trees and large branches to fall, potentially injuring people, damaging property, and blocking roads.
• Hail: Hail up to 0.75 inches is possible.
• Impacts: Localized power outages are possible, and unsecured light objects may become projectiles.

Timeline

The warning is effective until 7:15 PM EDT on March 11, 2026. A Tornado Watch also remains in effect for northern and north central Maryland until 8:00 PM EDT.