National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for:
Share |

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
500 AM EDT Fri Jul 28 2017

Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
500 AM EDT Fri Jul 28 2017

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and adjacent counties in
central Maryland and northern Virginia as well as the District of

.DAY ONE...Today and Tonight

A Flash Flood Watch is in effect this afternoon through Saturday
afternoon. Widespread showers and scattered thunderstorms are
expected during this time. Numerous incidents of flash flooding
are likely in the region.

Scattered thunderstorms are expected over the waters late this
afternoon and evening. A few thunderstorms will be capable of
producing gusty winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

A Flash Flood Watch continues through Saturday afternoon.

A Gale Warning may be needed for portions of the waters Saturday
afternoon through Saturday night.


Spotter activation may be needed this afternoon through Saturday.


Flash Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
350 AM EDT Fri Jul 28 2017

Including the cities of Stanardsville, Madison, Orange,
Gordonsville, and Fredericksburg
350 AM EDT Fri Jul 28 2017


The National Weather Service in Sterling Virginia has expanded

* Flash Flood Watch to include portions of central Virginia and
  northwest Virginia, including the following areas, in central
  Virginia, Greene, Orange, and Spotsylvania. In northwest
  Virginia, Madison.

* From 2 PM EDT this afternoon through Saturday afternoon

* Low pressure will develop over the Mid Atlantic today and move
  slowly off the coast through Saturday. This system will have
  the potential to bring 3 inches or more of rain to the region
  through Saturday afternoon. Thunderstorms could cause locally
  higher rainfall amounts.

* Heavy rainfall may result in rapid rises in streams and
  creeks. This could quickly result in flooding...especially in
  low lying and poor drainage areas.


A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE