Severe Thunderstorm Watch in effect until 9 pm in SoMD - The Southern Maryland Chronicle
Severe Thunderstorm Watch in effect until 9 pm in SoMD - The Southern Maryland Chronicle Severe Thunderstorm Watch in effect until 9 pm in SoMD - The Southern Maryland Chronicle Posted: 31 Jul 2019 10:00 AM PDT News Release, National Weather Service SEVERE THUNDERSTORM WATCH 547 IS IN EFFECT UNTIL 9 PM EDT FOR THE FOLLOWING LOCATIONS servpro THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS What is a Severe Thunderstorm Watch? This is issued by the National Weather Service when conditions are favorable for the development of severe thunderstorms in and close to the watch area. A severe thunderstorm by definition is a thunderstorm that produces one inch hail or larger in diameter and/or winds equal or exceeds 58 miles an hour. The ...