FLASH FLOOD WATCH

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH FOR THE DC METROPOLITAN AREA FROM 4PM UNTIL LATE THIS EVENING. THUNDERSTORMS WILL INCREASE IN COVERAGE DURING THE LATE AFTERNOON AND EVENING HOURS. THERE IS POTENTIAL FOR RAINFALL RATES OF ONE TO TWO INCHES PER HOUR IN ADDITION TO REPETITIVE THUNDERSTORMS. LOCALLY EXCESSIVE RAINFALL COULD CAUSE RAPID FLOODING OF SMALL STREAMS AS WELL AS LOW-LYING AND URBAN AREAS.