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alert map
Radar valid at 200 pm EDT, Sep 23rd 2021

alert legend

DCZ001-MDZ005-006-011-503>506-VAZ053-054-506-231515-
/O.CAN.KLWX.FF.A.0018.000000T0000Z-210923T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Carroll-Northern Baltimore-Southern Baltimore-
Northwest Montgomery-Central and Southeast Montgomery-Northwest
Howard-Central and Southeast Howard-Fairfax-Arlington/Falls
Church/Alexandria-Eastern Loudoun-
Including the cities of Silver Spring, Herndon, Arlington,
Westminster, Damascus, Bethesda, Chantilly, Centreville, Sterling,
Reisterstown, Columbia, Ashburn, Germantown, Leesburg, McLean,
Rockville, Alexandria, Falls Church, Reston, Baltimore, Eldersburg,
Ellicott City, Washington, Annandale, Cockeysville, Lisbon,
Gaithersburg, and Franconia
1010 AM EDT Thu Sep 23 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch has been cancelled for portions of DC,
Maryland and northern Virginia, including the following areas: in
DC, District of Columbia. In Maryland, Carroll, Central and
Southeast Howard, Central and Southeast Montgomery, Northern
Baltimore, Northwest Howard, Northwest Montgomery and Southern
Baltimore. In northern Virginia, Arlington/Falls Church/Alexandria,
Eastern Loudoun and Fairfax.

The Flood Watch is cancelled as heavy rain has ended.

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.