Flash Flood Watch Issued for Prince George's County

A derecho-like line of storms are expected to blow into the area Wednesday evening, producing heavy downpours.

A flash flood watch has been issued for Prince George's County and most of the region beginning at midnight extending until through Thursday evening, reports the National Weather Service

Showers and thunderstorms producing heavy downpours are expected in the region this evening, with more than one inch of rain possible overnight, according to NWS. Forecasters are calling for a storm that may be on par with last summer's derecho, and warning residents to be prepared. 

A second round of storms is expected to sweep through the region on Thursday, possibly dumping an additional one to two inches of rain. 

"With the ground already saturated from heavy rainfall during the past week...only an inch of rainfall in an hour could produce flash flooding of streams and low lying areas," according to the alert issued by NWS.

Earlier this week, the Prince George's County Fire Department released a list of roads in the county which are prone to flooding during heavy rains:

  • Baltimore Ave and Ammendale Road in Beltsville
  • Sunnyside Avenue between Rhode Island Ave and Edmonston Rd in Beltsville
  • Piney Branch Rd and New Hampshire in Adelphi
  • Portions of Riverdale Road in Riverdale Park
  • Governors Bridge Road at Anne Arundel/Prince George's County border.  Road is currently closed for bridge work (unrelated to this storm)
  • Water Street in Upper Marlboro
  • Marlboro Pike and Largo Rd in Upper Marlboro
  • Livingston Road and Oxon Hill Road in Ft Washington
  • Livingston Road and Palmer Road in Fort Washington

These roads should be avoided during periods of heavy rain and heed any signage posted.  Any and all roads could suddenly become overwhelmed by flooding waters. Do not drive through standing or swift moving water.


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