Interactive NWS Alert
Radar valid at 200 pm EDT, Sep 6th 2022
District of Columbia-Frederick MD-Carroll-Northern Baltimore-Cecil-
Southern Baltimore-Prince Georges-Anne Arundel-Northwest Montgomery-
Central and Southeast Montgomery-Northwest Howard-Central and
Southeast Howard-Northwest Harford-Southeast Harford-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Bowie, Arlington, Alexandria, Chantilly,
Westminster, Baltimore, Odenton, Greenbelt, Severna Park, Ballenger
Creek, Leesburg, Washington, Aberdeen, Germantown, Columbia,
Jarrettsville, Sterling, Gaithersburg, Elkton, Glen Burnie,
Suitland-Silver Hill, Damascus, Ashburn, Centreville, Purcellville,
Annapolis, Arnold, Frederick, Herndon, Cockeysville, Silver Spring,
Bethesda, Rockville, South Gate, Reston, Laurel, Camp Springs,
College Park, Annandale, Lisbon, Ellicott City, Severn, Franconia,
Falls Church, Clinton, Reisterstown, McLean, and Eldersburg
906 PM EDT Mon Sep 5 2022
...FLOOD WATCH IN EFFECT FROM 4 AM EDT TUESDAY THROUGH TUESDAY
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of DC, Maryland and northern Virginia, including
the following areas: in DC, District of Columbia. In Maryland,
Anne Arundel, Carroll, Cecil, Central and Southeast Howard,
Central and Southeast Montgomery, Frederick MD, Northern
Baltimore, Northwest Harford, Northwest Howard, Northwest
Montgomery, Prince Georges, Southeast Harford and Southern
Baltimore. In northern Virginia, Arlington/Falls
Church/Alexandria, Eastern Loudoun, Fairfax and Western Loudoun.
* WHEN...From 4 AM EDT Tuesday through Tuesday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- An area of low pressure is expected to develop along a slow
moving boundary draped across the region Tuesday morning
through early Tuesday afternoon. Heavy showers and a few
thunderstorms are expected to drop 2 to 3 inches across much
of the watch area, with isolated higher amounts up to 5
inches possible in the heaviest cells.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
iNWS is an experimental service intended for NWS core partners,
including emergency managers, community leaders and other government