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Hazardous Weather Outlook for Washington/Baltimore, MD

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000
FLUS41 KLWX 211555
HWOLWX

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
1155 AM EDT Thu Mar 21 2019

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-221600-
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-
1155 AM EDT Thu Mar 21 2019

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
Columbia.

.DAY ONE...This Afternoon and Tonight

A Flood Watch is in effect from 10 am this morning through
midnight for the Washington and Baltimore Metropolitan Areas.
There is the potential for flooding of small streams and creeks as
well as low-lying urban areas. Elsewhere, localized flooding is
possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Strong northwest winds may gust around 50 mph, causing the
possibility of isolated wind damage Friday afternoon through
Saturday morning. A Wind Advisory may be required.

A Gale Warning is in effect for the waters Friday through Friday
evening, and it may need to be extended into Saturday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053-
055-501>506-221600-
Washington-Frederick MD-Carroll-Northern Baltimore-
Extreme Western Allegany-Central and Eastern Allegany-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper-
Northern Fauquier-Southern Fauquier-Western Highland-
Eastern Highland-Western Loudoun-Eastern Loudoun-
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant-
Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
1155 AM EDT Thu Mar 21 2019

This Hazardous Weather Outlook is for eastern West Virginia,
northern and central Virginia, and central and western Maryland
with the exception of Garrett County.

.DAY ONE...This Afternoon and Tonight

A Flood Watch is in effect from 10 am this morning through
midnight for central Maryland and portions of northern Virginia.
There is the potential for flooding of small streams and creeks
as well as low-lying urban areas. Elsewhere, localized flooding
is possible along and east of the Interstate 81 corridor.

Mainstem river flooding is possible tonight, especially along the
Monocacy River and Opequon Creek.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Mainstem river flooding is possible Friday into Saturday,
especially along the Potomac River Basin. River Flood Watches are
in effect until Friday for the Monocacy River and the Opequon
Creek.

Strong northwest winds may gust around 50 mph, causing the
possibility of isolated wind damage Friday afternoon through
Saturday morning. The best chance for the strongest winds will
along the ridges of the Allegheny and Potomac Highlands as well as
the Blue Ridge and Catoctin Mountains. A Wind Advisory may be
required.

Accumulating snow is expected Friday for locations along and west
of the Allegheny Front. A Winter Weather Advisory may be required.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Previous Hazardous Weather Outlooks may be found at
NWS Washington/Baltimore, MD (LWX) Office Hazardous Weather Outlooks.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)

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NWS Information Parsing Script by Ken True at Saratoga Weather - WFO and Products Scripts by SE Lincoln Weather.
Mapping by Curly at Michiana Weather and by Tom at My Mishawaka Weather.