Severe Thunderstorm Warning until 03:45PM 
SVRLWX The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for... Northwestern St. Marys County in southern Maryland... Southeastern Charles County in southern Maryland...
* Until 345 PM EDT.
* At 258 PM EDT, a severe thunderstorm was located near La Plata, 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... Leonardtown, Popes Creek, Saint Clements Bay, Port Tobacco River, Wicomico River, White Point Beach, Wicomico, Hughesville, Mechanicsville, Charlotte Hall, Cobb Island, Rock Point, Bushwood, Clements, Issue, Tompkinsville, Abell, Chaptico, Bel Alton, and Swan Point.
* AFFECTED AREAS: CHARLES, MD ... ST. MARYS, MD
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
St. Mary's County Sheriff's Office
23150 Leonard Hall Dr
Leonardtown, MD 20650
Contact
Emergency: 9-1-1
Non-emergencies: 301-475-8008