Hazardous Weather Outlook
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
263 FLUS41 KLWX 140858 HWOLWX Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 458 AM EDT Wed May 14 2025 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ053>057-527-150900- Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- 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- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria- Stafford-Spotsylvania-King George- Central and Southeast Prince William/Manassas/Manassas Park- 458 AM EDT Wed May 14 2025 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia. .DAY ONE...Today and Tonight While heavy rain will not be as widespread as Tuesday, isolated instances of flash flooding are possible this afternoon and evening as showers and thunderstorms move across the area. Strong thunderstorms may require Special Marine Warnings for the tidal waters this afternoon and evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A River Flood Watch is in effect for the Potomac River upstream of Washington DC Thursday into Friday. A Coastal Flood Watch for this freshwater flooding is also in effect for Georgetown. Severe thunderstorms capable of producing damaging winds and hail are possible Friday, but confidence is low at this time. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report flooding and rainfall measurements to the National Weather Service. $$ MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508- 526-WVZ050>053-055-150900- Washington-Frederick MD-Carroll-Northern Baltimore- Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson- Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Northwest Prince William-Hampshire- Morgan-Berkeley-Jefferson-Hardy- 458 AM EDT Wed May 14 2025 This Hazardous Weather Outlook is for portions of eastern West Virginia, northern and central Virginia, and central and western Maryland. .DAY ONE...Today and Tonight Small stream flooding will continue in some areas through this morning. Visit weather.gov for the latest warnings. River Flood Watches and Warnings are also in effect for portions of the Potomac, Shenandoah, and Rappahannock basins. While heavy rain will not be as widespread as Tuesday, isolated instances of flash flooding are possible this afternoon and evening as showers and thunderstorms move across the area. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday River Flood Watches and Warnings continue through early Friday. Severe thunderstorms capable of producing damaging winds and hail are possible Friday, but confidence is low at this time. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report flooding and rainfall measurements to the National Weather Service. $$ MDZ501-502-509-510-VAZ503-504-WVZ501>506-150900- Extreme Western Allegany-Central and Eastern Allegany- Western Garrett-Eastern Garrett-Western Highland-Eastern Highland- Western Grant-Eastern Grant-Western Mineral-Eastern Mineral- Western Pendleton-Eastern Pendleton- 458 AM EDT Wed May 14 2025 This Hazardous Weather Outlook is for the Allegheny Front counties in western Maryland, eastern West Virginia, and Highland County Virginia. .DAY ONE...Today and Tonight Small stream flooding will continue in some areas through this morning. Visit weather.gov for the latest warnings. River Flood Warnings are also in effect for portions of the North Branch Potomac basin. While heavy rain will not be as widespread as Tuesday, isolated instances of flash flooding are possible this afternoon and evening as showers and thunderstorms move across the area. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Severe thunderstorms capable of producing damaging winds and hail are possible Friday, but confidence is low at this time. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report flooding and rainfall measurements to the National Weather Service. $$