Flood Watch issued July 18 at 11:43AM EDT until July 18 at 8:00PM EDT by NWS Baltimore MD/Washington DC
A slow-moving front will interact with a very humid airmass in
place to result in multiple rounds of showers and thunderstorms this
afternoon and evening.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Washington DC, and portions of Maryland, including the
following areas, Anne Arundel, Carroll, Cecil, Central and
Southeast Howard, Central and Southeast Montgomery, Frederick,
Northern Baltimore, Northwest Harford, Northwest Howard, Northwest
Montgomery, Prince Georges, Southeast Harford and Southern
Baltimore, and northern Virginia, including the following areas,
Arlington/Falls Church/Alexandria, Eastern Loudoun, Fairfax and
Western Loudoun.
* WHEN...From 2 PM this afternoon through 8 PM EDT this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- High humidity coupled with a slow-moving front is expected to
result in multiple rounds of showers and thunderstorms this
afternoon and evening. Localized rainfall rates of up to 2
inches per hour, with isolated totals of 2 to 4 inches are
possible.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Varoitus voimassa la klo 21:00 - su klo 3:00