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3 products issued by NWS for: Reston VA
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
453 PM EDT Sat Jul 2 2022

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ052>057-032100-
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-Cecil-Southern Baltimore-
Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Central and Southeast Montgomery-Central and Southeast Howard-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
453 PM EDT Sat Jul 2 2022

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and I-95 corridor through
central Maryland, northern Virginia, and District of Columbia.

.DAY ONE...Tonight

A Severe Thunderstorm Watch is in effect until 9pm this evening,
with locally damaging wind gusts being the primary threat.

A Flood Watch is in effect for the Washington and Baltimore
Metropolitan areas until 10pm this evening for potential flash
flooding in urban areas. Elsewhere, isolated instances of flash
flooding are possible through this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

$$



Severe Thunderstorm Watch

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 420
NWS STORM PREDICTION CENTER NORMAN OK
300 PM EDT SAT JUL 2 2022

SEVERE THUNDERSTORM WATCH 420 IS IN EFFECT UNTIL 900 PM EDT
FOR THE FOLLOWING LOCATIONS

VAC003-013-047-059-061-065-079-099-107-109-113-125-137-153-157-
177-179-510-540-600-610-630-683-685-030100-
/O.NEW.KWNS.SV.A.0420.220702T1900Z-220703T0100Z/

VA
.    VIRGINIA COUNTIES INCLUDED ARE

ALBEMARLE            ARLINGTON           CULPEPER
FAIRFAX              FAUQUIER            FLUVANNA
GREENE               KING GEORGE         LOUDOUN
LOUISA               MADISON             NELSON
ORANGE               PRINCE WILLIAM      RAPPAHANNOCK
SPOTSYLVANIA         STAFFORD


VIRGINIA INDEPENDENT CITIES INCLUDED ARE

ALEXANDRIA           CHARLOTTESVILLE     FAIRFAX
FALLS CHURCH         FREDERICKSBURG      MANASSAS
MANASSAS PARK
$$




Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
226 PM EDT Sat Jul 2 2022

DCZ001-MDZ011-013-014-504-506-VAZ053-054-030200-
/O.CON.KLWX.FA.A.0010.000000T0000Z-220703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Southern Baltimore-Prince Georges-Anne Arundel-
Central and Southeast Montgomery-Central and Southeast Howard-
Fairfax-Arlington/Falls Church/Alexandria-
Including the cities of Silver Spring, South Gate, Bowie, Arlington,
Annapolis, Chantilly, Odenton, Falls Church, Bethesda, Severn,
Centreville, College Park, Columbia, Herndon, Severna Park,
Greenbelt, McLean, Camp Springs, Rockville, Arnold, Suitland-Silver
Hill, Laurel, Ellicott City, Reston, Baltimore, Alexandria, Clinton,
Glen Burnie, Washington, Annandale, Gaithersburg, and Franconia
226 PM EDT Sat Jul 2 2022

...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING...

* WHAT...Flash flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Washington DC, Maryland and northern Virginia, including
  the following areas: in DC, District of Columbia. In Maryland,
  Anne Arundel, central and southeast Howard, central and southeast
  Montgomery, Prince Georges and southern Baltimore. In northern
  Virginia, Arlington/Falls Church/Alexandria and Fairfax.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Showers and thunderstorms are expected this afternoon and
    evening, with the most widespread activity late this
    afternoon into early this evening. Thunderstorms will produce
    heavy rainfall with localized rainfall amounts around 1 to 3
    inches within an hour or two. Heavy amounts of rain in a
    short period of time may lead to rapid rises of creeks and
    streams as well as the potential for flash flooding in urban
    areas.
  - Please visit http://www.weather.gov/safety/flood for flood
    safety and preparedness information.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

BKF



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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