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Frost Advisory

Statement as of 11:50 AM EDT on October 24, 2016

Expires 9:00 AM EDT on October 25, 2016

... Frost advisory in effect from 3 am to 9 am EDT Tuesday...

The National Weather Service in Baltimore MD/Washington has
issued a frost advisory... which is in effect from 3 am to 9 am
EDT Tuesday.

* Temperatures... 33 to 36 degrees.

* Impacts... potential damage to sensitive plants.

Precautionary/preparedness actions...

A frost advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

Public Information Statement

Statement as of 8:29 AM EDT on October 24, 2016

... River forecast and warning services to resume on the Potomac
River at Shepherdstown on Wednesday November 23rd...

In September 2016, the long-term stream gauge on the Potomac
River at Shepherdstown was returned to service by the United
States geological survey, after funding was obtained to resume
observation services. There had been no observations at
Shepherdstown since 2004, and at that time the location was
downgraded to a categorical-only forecast. In 2010, warning
services were also discontinued due to changes which require a
forecast crest in order to issue a river Flood Warning.

With observations having resumed, the National Weather Service
will resume providing routine forecasts, as well as warning
services, on Wednesday, November 23rd, 2016. Forecasts will be
issued daily, extending out 72 hours. Warnings will be issued when
the 15 foot flood stage is expected to be exceeded.

With the addition of this forecast point in the Potomac River, the
areas covered by river flood warnings will be adjusted. The
forecast point at Williamsport -- which previously covered all
areas of the river in Berkeley County, WV and adjacent areas of
Washington County, MD -- will now extend from the Morgan/Berkeley
County border to just downstream of Interstate 81.

The Shepherdstown forecast point will extend from just downstream
of Interstate 81 to near the mouth of Antietam creek, including
portions of Berkeley, Jefferson, and Washington counties. The
Harpers Ferry forecast point will extend from near the mouth of
Antietam creek to the Washington/Frederick County border.

Interests near the river in Berkeley... Jefferson... and Washington
counties should pay close attention to the text of flood warnings
when they are issued, since multiple warning locations will cover
the counties after these changes take effect, and only some
portions of the river may be expected to flood in a given event.

Once again, forecast and warning services will resume on the
Potomac River at Shepherdstown, West Virginia on November 23rd,

If you have any questions about this resumed forecast and warning
service, please contact senior service hydrologist Jason Elliott
at Jason.Elliott@noaa.Gov.

Weather Severe Map
Alaska - High Surf Advisory , Coastal Flood Watch , High Wind Warning , Record Report
Arizona - Record Report
Arkansas - Special Statement
California - Wind Advisory , Lake Wind Advisory , High Wind Warning, Wind Advisory , Beach Hazard Statement , Special Statement , Record Report , Public Information Statement
Connecticut - Public Information Statement
District of Columbia - Public Information Statement
Florida - Fire Weather Warning , Beach Hazard Statement
Illinois - Flood Warning
Kansas - Public Information Statement
Louisiana - Special Statement
Maryland - Public Information Statement
Massachusetts - Public Information Statement
Michigan - Public Information Statement
Minnesota - Public Information Statement
Mississippi - Special Statement
Missouri - Public Information Statement
Nevada - Lake Wind Advisory , Wind Advisory , Record Report
New York - Record Report , Public Information Statement
Ohio - Frost Advisory , Public Information Statement
Oregon - Wind Advisory , High Wind Warning, Wind Advisory
Pennsylvania - Public Information Statement
Puerto Rico - Flood Watch, Areal Flood Advisory
South Carolina - Flood Warning
Texas - Public Information Statement
Utah - Record Report
Vermont - Public Information Statement
Virginia - Frost Advisory , Freeze Warning , Public Information Statement
Washington - Public Information Statement
West Virginia - Frost Advisory , Freeze Warning , Public Information Statement
Wisconsin - Public Information Statement
Wyoming - Record Report

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