Booming thunderstorms, heavy downpours fuel flood watches for the DC area

Late-day storms capped off the start of the workweek with heavy rain pounding the D C region in the middle of the afternoon rush and reports of water rescues in the Tysons Virginia area Those slow moving thunderstorms Monday prompted a flash flood warning for parts of D C Maryland and Northern Virginia as well as a tornado warning in Anne Arundel County in Maryland The National Weather Function has issued a flood watch until midnight for the D C region Current weather alerts Flash flood warning issued for D C south central Montgomery County in Maryland and Arlington and Fairfax counties in Virginia until p m A flash flood warning issued for Arlington County in Northern Virginia until p m A flash flood warning issued for Anne Arundel and Howard counties in Maryland until p m and northwestern Anne Arundel southeastern Howard and central Prince George s counties until p m Flash flood warning for southeastern Montgomery and Prince George s County in Maryland until p m A flash flood watch is in effect until midnight for the majority of the D C region Flood watch due to excessive rainfall until midnight Monday Around p m the National Weather Facility issued a flash flood warning for D C Montgomery County in Maryland and Arlington and Fairfax counties in Virginia as about inches of rain fell with more following during the next several hours WTOP meteorologist Mike Stinneford disclosed the flash flood warning for the District and its close-in suburbs was upgraded to considerable meaning life threatening flash flooding will occur Flooding disrupts evening commute In Fairfax County Virginia flash flooding and runoff caused creeks to spill right over roadways such as U S Passage between Prosperity Avenue and Cedar Lane Swift water also rushed across Arlington Boulevard according to WTOP Traffic reporter Dave Dildine A caller narrated the WTOP Traffic Center that water raced across all westbound lanes of the Dulles Toll Road west of the Capital Beltway and traffic came to a complete stop One car stalled in the high water Near Glen Echo Maryland water spilled out of Minnehaha Branch and overtopped Goldsboro Road rendering it impassable for a short time Dildine reported In a lot of cases just as fast as the water rose it receded but there were several areas of standing water in voyage lanes that remained a challenge for drivers on the Beltway near Bethesda and the Baltimore-Washington Parkway near Jessup Dildine noted Howard County police shut down Main Street in Historic Ellicott City due to rising floodwaters on roadways Police recommended that residents seek higher ground and to avoid flooded areas Looking ahead Wet conditions will wane by midnight with mild and muggy conditions expected overnight declared News First Alert Senior Meteorologist Brian van de Graaff He explained areas of patchy fog will be realizable by dawn The next morning stays unsettled once again although I don t believe the wet weather is going to be quite as intense Rudin commented of Tuesday s forecast Tuesday s storm coverage should be less than what the D C area experiences Monday but storms will still be capable of producing heavy rainfall It will be hot and humid with temperatures in the mid- s Majority of Wednesday should be dry Isolated storms are expected during the late afternoon and early evening hours Temperature highs will be in the s There s a chance for isolated thunderstorms Thursday too The hottest day of the week will be Thursday with heat index values around Listen to WTOP online and on the radio at FM or FM Current traffic conditions Weather forecast Closings and Delays Sign up for WTOP alerts Full forecast MONDAY EVENING Partly sunny Chance PM storms Temperatures s to s Winds South - mph MONDAY NIGHT Rain storms ending Mostly cloudy Lows s Winds South mph TUESDAY Partly sunny Chance PM storms Highs - Winds South - mph WEDNESDAY Partly cloudy PM storms Highs near Winds South - mph THURSDAY Partly cloudy Isolated PM storms Highs - Winds Southwest - mph Current conditions WTOP s Dave Dildine contributed to this overview Source