XOUS51 KWBC 252246 CAPLWX NWS-IDP-PROD-4411360-3676734 w-nws.webmaster@noaa.gov 2020-08-25T18:46:00-04:00 Actual Alert Public IPAWSv1.0 en-US Met Special Marine Warning Avoid Immediate Severe Likely SAME SMW NationalWeatherService MAW 2020-08-25T18:46:00-04:00 2020-08-25T18:46:00-04:00 2020-08-25T20:45:00-04:00 NWS Baltimore MD/Washington DC Special Marine Warning issued August 25 at 6:46PM EDT until August 25 at 8:45PM EDT by NWS Baltimore MD/Washington DC The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... * Until 845 PM EDT. * At 646 PM EDT, strong thunderstorms were located along a line extending from 8 nm northwest of Key Bridge to 38 nm northwest of Leesylvania State Park, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include... Potomac Creek, Nanjemoy Creek, National Harbor, Quantico, Fort Washington, Tidal Basin, Reagan National Airport, Swan Point, Coltons Point, Gunston Hall, Occoquan Bay, Popes Creek, Saint Clements Bay, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, Cobb Island, Mathias Point and U.S. 301 Nice Memorial Bridge. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. http://www.weather.gov eventMotionDescription 2020-08-25T18:46:00.000-04:00...storm...318DEG...26KT...38.97,-77.22 38.88,-77.99 hailSize 0.00 VTEC /O.NEW.KLWX.MA.W.0279.200825T2246Z-200826T0045Z/ EAS-ORG WXR PIL LWXSMWLWX BLOCKCHANNEL CMAS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM eventEndingTime 2020-08-25T20:45:00-04:00 Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA 38.49,-77.33 38.67,-77.24 38.64,-77.19 38.65,-77.16 38.7,-77.2 38.73,-77.06 38.91,-77.05 38.85,-77 38.73,-77 38.51,-77.25 38.39,-77.23 38.46,-77.01 38.34,-76.95 38.27,-76.84 38.25,-76.72 38.16,-76.74 38.21,-76.95 38.38,-77.06 38.33,-77.17 38.34,-77.3 38.49,-77.33 UGC ANZ535 UGC ANZ536 UGC ANZ537 SAME 073535 SAME 073536 SAME 073537