National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for:
Share |

Frost Advisory

National Weather Service Baltimore MD/Washington DC
420 AM EDT Sat Oct 31 2020

District of Columbia-Prince Georges-Charles-Fairfax-
Arlington/Falls Church/Alexandria-
Including the cities of Washington, Bowie, Suitland-Silver Hill,
Clinton, College Park, Greenbelt, Laurel, Camp Springs,
St. Charles, Waldorf, Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, Franconia, Arlington, Alexandria,
and Falls Church
420 AM EDT Sat Oct 31 2020


* WHAT...Temperatures as low as 35 will result in frost

* WHERE...The District of Columbia, portions of central and
  northern Maryland and central, northern, northwest and western

* WHEN...From 3 AM to 9 AM EDT Saturday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if
  left uncovered.


Take steps now to protect tender plants from the cold.



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
155 AM EDT Sat Oct 31 2020

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-
155 AM EDT Sat Oct 31 2020

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...Tonight through Saturday

A Freeze Warning goes into effect at 3 AM for southeastern
Harford County in Maryland. A Frost Advisory goes into effect at 3
AM for the rest of the area except for King George County in
Virginia and Calvert and Saint Mary`s Counties in Maryland.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The Freeze Warning and Frost Advisory are in effect until 9 AM
Saturday morning.

There is the potential for scattered wind damage late Sunday into
Monday behind a strong cold front. Gale Warnings will likely be
needed over the waters during this time.

Freezing temperatures are likely over much of the area Monday
night into Tuesday morning.


Spotter activation is not expected at this time.


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