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3 products issued by NWS for: Frederick MD
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
1152 PM EST Sun Feb 28 2021

MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-
WVZ050>053-055-011000-
Washington-Frederick MD-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta-
Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-
Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper-
Northern Fauquier-Southern Fauquier-Western Loudoun-
Eastern Loudoun-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson-
Hardy-
1152 PM EST Sun Feb 28 2021

This Hazardous Weather Outlook is for portions of eastern West
Virginia, northern and central Virginia, and central and western
Maryland.

.DAY ONE...Tonight

There is an isolated threat for flooding of small streams and
creeks as well as urban areas through tonight. A Flood Watch is
in effect for Hampshire and Hardy Counties in eastern West
Virginia where the threat is highest.

A Dense Fog Advisory is in effect for the eastern Panhandle of
West Virginia, northern Maryland, the northern Shenandoah Valley,
and for locations along and east of the Blue Ridge Mountains.
Elsewhere, areas of dense fog are possible in the central
Shenandoah Valley toward morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The Dense Fog Advisory continues until 8 AM Monday.

A few instances of mainstem river flooding are possible into
early next week. Several river flood watches and warnings are in
effect.

There is the potential for wind gusts approaching 50 mph across
the area late Monday into early Tuesday. Wind advisories may be
necessary.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$



Dense Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1148 PM EST Sun Feb 28 2021

DCZ001-MDZ003>006-008-011-013-014-502>508-VAZ028-030-031-052>054-
501-505-506-WVZ051>053-011300-
/O.EXB.KLWX.FG.Y.0004.000000T0000Z-210301T1300Z/
District of Columbia-Washington-Frederick MD-Carroll-
Northern Baltimore-Cecil-Southern Baltimore-Prince Georges-
Anne Arundel-Central and Eastern Allegany-Northwest Montgomery-
Central and Southeast Montgomery-Northwest Howard-
Central and Southeast Howard-Northwest Harford-Southeast Harford-
Frederick VA-Warren-Clarke-Prince William/Manassas/Manassas Park-
Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier-
Western Loudoun-Eastern Loudoun-Morgan-Berkeley-Jefferson-
Including the cities of Washington, Hagerstown, Frederick,
Ballenger Creek, Eldersburg, Westminster, Reisterstown,
Cockeysville, Elkton, Baltimore, Bowie, Suitland-Silver Hill,
Clinton, College Park, Greenbelt, Laurel, Camp Springs,
Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold,
Odenton, Cumberland, Germantown, Damascus, Bethesda, Rockville,
Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City,
Jarrettsville, Aberdeen, Winchester, Front Royal, Berryville,
Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston,
Herndon, Annandale, Centreville, Chantilly, McLean, Franconia,
Arlington, Alexandria, Falls Church, Warrenton, Purcellville,
Leesburg, Ashburn, Sterling, Paw Paw, Martinsburg, Charles Town,
and Shepherdstown
1148 PM EST Sun Feb 28 2021

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EST MONDAY...

* WHAT...Visibility around one quarter mile or less in areas of dense
  fog.

* WHERE...The Washington and Baltimore Metropolitan areas,
  northern and central Maryland, northern Virginia, and the
  eastern Panhandle of West Virginia.

* WHEN...Until 8 AM EST Monday.

* IMPACTS...Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$



Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
925 PM EST Sun Feb 28 2021

...The Flood Watch is extended for the following rivers in
Maryland...Virginia...

  Potomac River at Point of Rocks affecting Frederick MD and
  Western Loudoun Counties.

  Potomac River at Edwards Ferry affecting Eastern Loudoun, Western
  Loudoun and Northwest Montgomery Counties.

...The Flood Watch continues for the following rivers in Maryland...
West Virginia...

  Potomac River at Dam Number Five affecting Washington and
  Berkeley Counties.

  Potomac River at Paw Paw affecting Morgan, Central and Eastern
  Allegany and Hampshire Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts. You should monitor later forecasts and be alert
for possible flood warnings. Those living in areas prone to flooding
should be prepared to take action should flooding develop.

Additional information is available at www.weather.gov/washington or
www.weather.gov/baltimore.


MDZ004-VAZ505-011030-
/O.EXT.KLWX.FL.A.0005.210302T0536Z-210303T1024Z/
/PORM2.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
925 PM EST Sun Feb 28 2021

The Flood Watch continues for
  the Potomac River at Point of Rocks.

* From late Monday night to late Tuesday night.
* At 8:45 PM EST Sunday the stage was 7.5 feet, or 8.5 feet below
  flood stage.
* Flood stage is 16.0 feet.
* Flooding is possible.
* Forecast...Flood stage may be reached early Tuesday morning.
* Impact...At 18.0 feet, Water approaches structures at the
  Brunswick campground.

&&

River Name      Fld      Observed    Mon   Mon   Mon     Crest
Location        Stg   Stg  Day/Time  1AM   7AM   1PM   Stg Time Date

Potomac River
Point of Rocks  16.0  7.5  Sun 8 pm  7.9   9.6   10.8  18.1 1pm Tue


&&

LAT...LON 3936 7766 3934 7757 3926 7747 3923 7744
      3920 7754 3927 7760 3930 7770

$$



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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