Flood Watch issued July 6 at 9:01AM EDT until July 7 at 12:00AM EDT by NWS Baltimore MD/Washington DC
...The combination of a slow moving frontal zone with a tropical air
mass in place will increase the risk of flash flooding this
afternoon and evening...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Washington DC, portions of Maryland, including the
following areas, Anne Arundel, Calvert, Carroll, Cecil, Central
and Southeast Howard, Central and Southeast Montgomery, Charles,
Frederick, Northern Baltimore, Northwest Harford, Northwest
Howard, Northwest Montgomery, Prince Georges, Southeast Harford,
Southern Baltimore, St. Marys and Washington, Virginia, including
the following areas, Albemarle, Arlington/Falls Church/Alexandria,
Central and Southeast Prince William/Manassas/Manassas Park,
Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick, Greene,
King George, Madison, Northern Fauquier, Northern Virginia Blue
Ridge, Northwest Prince William, Orange, Page, Rappahannock,
Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and
Western Loudoun, and eastern West Virginia, including the
following areas, Berkeley, Jefferson and Morgan.
* WHEN...From 4 PM EDT this afternoon through 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...
- Multiple rounds of heavy rainfall are possible this afternoon
and evening, some of which may occur over areas which
recently experienced flooding rains. Slow storm motions and
repeat thunderstorm activity will occur within a tropical air
mass. Hourly rainfall rates could push into the 2 to 3 inch
range in the strongest storms, with an inch in 20 minutes
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 ma klo 23:00 - ti klo 7:00
