Active Weather Alerts
Flood Watch
Issued: 10:42 PM May. 13, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT WEDNESDAY... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Central and Eastern Allegany, Central and Southeast Montgomery, Eastern Garrett, Extreme Western Allegany, Frederick MD, Northwest Montgomery and Washington, Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, King George, Northern Fauquier, Northwest Prince William, Orange, Southern Fauquier, Spotsylvania, Stafford and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Jefferson, Morgan and Western Mineral. * WHEN...Until 6 AM EDT Wednesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - A prolonged period of moderate to heavy rain showers with embedded thunderstorms is expected through late tonight. Rainfall amounts of 2 to 4 inches are likely, with locally higher amounts possible along the eastern slopes of the Blue Ridge and Allegheny Mountains. This rainfall may lead to scattered instances of flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
River Flood Watch
Issued: 8:09 PM May. 13, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Potomac River at Little Falls. * WHEN...From Thursday afternoon until further notice. * IMPACTS...At 11.5 feet, Water covers the towpath in multiple spots between the Washington Aqueduct Dam and Pennyfield Lock, mileposts 15 to 19 on the C&O Canal. * ADDITIONAL DETAILS... - At 3:45 PM EDT Tuesday the stage was 4.2 feet, or 5.8 feet below flood stage. - Forecast...Flood stage may be reached early Thursday afternoon. - Flood stage is 10.0 feet. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information && River Name Fld Observed Tue Wed Wed Crest Location Stg Stg Day/Time 8PM 2AM 8AM Stg Time Date Potomac River Little Falls 10.0 4.2 Tue 3 pm 4.2 4.4 4.5 11.3 2am Fri &&
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