* WHAT...Temperatures as low as 33 will result in frost formation.
* WHERE...Portions of east central Ohio, southwest and western
Pennsylvania, and northern and the northern panhandle of West
Virginia.
* WHEN...From 2 AM to 9 AM EDT Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
449 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING
AREAS
IN OHIO THIS WATCH INCLUDES 9 COUNTIES
IN EAST CENTRAL OHIO
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON OH MUSKINGUM TUSCARAWAS
IN PENNSYLVANIA THIS WATCH INCLUDES 15 COUNTIES
IN NORTHWEST PENNSYLVANIA
FOREST MERCER VENANGO
IN SOUTHWEST PENNSYLVANIA
ALLEGHENY FAYETTE GREENE
WASHINGTON WESTMORELAND
IN WEST CENTRAL PENNSYLVANIA
ARMSTRONG BUTLER CLARION
INDIANA JEFFERSON PA
IN WESTERN PENNSYLVANIA
BEAVER LAWRENCE
IN WEST VIRGINIA THIS WATCH INCLUDES 4 COUNTIES
IN THE NORTHERN PANHANDLE OF WEST VIRGINIA
BROOKE HANCOCK MARSHALL
OHIO
THIS INCLUDES THE CITIES OF ALIQUIPPA, AMBRIDGE, BEAVER FALLS,
BROOKVILLE, BUTLER, CADIZ, CAMBRIDGE, CANONSBURG, CARROLLTON,
CLARION, COLUMBIANA, CONNELLSVILLE, COSHOCTON, DOVER,
EAST LIVERPOOL, ELLWOOD CITY, FOLLANSBEE, FORD CITY, FRANKLIN,
GREENSBURG, GROVE CITY, HERMITAGE, INDIANA, KITTANNING, LATROBE,
MARTINS FERRY, MASONTOWN, MONACA, MOUNDSVILLE, MURRYSVILLE,
NEW CASTLE, NEW KENSINGTON, NEW PHILADELPHIA, OIL CITY,
PITTSBURGH METRO AREA, PUNXSUTAWNEY, SALEM, SHARON,
ST. CLAIRSVILLE, STEUBENVILLE, TIONESTA, UNIONTOWN, WASHINGTON,
WAYNESBURG, WEIRTON, WELLSBURG, WHEELING, AND ZANESVILLE.
* WHAT...Heat index values ranging from 100 to 105 degrees during
the day.
* WHERE...Portions of east central Ohio, northwest, southwest, and
western Pennsylvania, and northern and the northern panhandle of
West Virginia.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Fog will affect the morning commute across the region with
localized areas of visibilities of less than 1/4 of a mile.
If driving, slow down, use your low beam headlights, and leave
plenty of distance ahead of you.
* WHAT...Temperatures as low as 31 will result in frost formation.
* WHERE...Portions of east central Ohio, southwest and western
Pennsylvania, and northern and the northern panhandle of West
Virginia.
* WHEN...Until 9 AM EDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
...The Flood Warning continues for the following rivers in
Pennsylvania...Ohio...West Virginia...
Monongahela River At Braddock affecting Allegheny County.
Monongahela River Near Elizabeth affecting Allegheny, Washington
and Westmoreland Counties.
Ohio River At Dashields affecting Allegheny County.
Ohio River At East Liverpool affecting Columbiana, Hancock,
Beaver and Jefferson OH Counties.
Ohio River At Hannibal affecting Tyler, Wetzel and Monroe
Counties.
Ohio River Near New Cumberland affecting Hancock and Jefferson OH
Counties.
Ohio River At Wellsville affecting Columbiana County.
Ohio River At Montgomery affecting Columbiana, Hancock and Beaver
Counties.
Ohio River At Pittsburgh affecting Allegheny County.
Ohio River At Wheeling affecting Ohio and Belmont Counties.
Ohio River At Moundsville affecting Marshall County.
Ohio River At Powhatan Point affecting Marshall, Monroe and
Belmont Counties.
Wills Creek At Cambridge affecting Guernsey County.
Stillwater Creek At Uhrichsville affecting Tuscarawas County.
Muskingum River At Coshocton affecting Coshocton County.
...The Flood Warning is extended for the following rivers in
Pennsylvania...
Monongahela River Near Charleroi affecting Fayette, Washington
and Westmoreland Counties.
...The Flood Warning is cancelled for the following rivers in
Pennsylvania...
Youghiogheny River At Sutersville affecting Allegheny and
Westmoreland Counties.
Youghiogheny River At Connellsville affecting Fayette County.
.Runoff from the heavy rainfall over the past 72 hours is resulting
in many locations reaching or exceeding flood stage.
Rivers are forecast to begin falling within the next 24 to 36 hours.
* WHAT...Moderate flooding is occurring and major flooding is
forecast.
* WHERE...Ohio River at Wheeling.
* WHEN...Until early Saturday morning.
* IMPACTS...At 34.0 feet, Sewers begin to back up in the lower end
of Wheeling Island.
At 36.0 feet, Flooding begins in the vicinity or 25th and Market
Streets, 34th and Market Streets, 36th and Chaplain Streets in
Wheeling. Water covers the lower parking lot at the Wheeling
Island Casino.
At 36.6 feet, Wheeling Downs Racetrack on Wheeling Island floods.
At 37.7 feet, Basement flooding begins in businesses along Main
Street.
At 38.0 feet, Portions of Jacob and Wood Streets, south of 43rd
Street begin to flood. Wheeling island Casino has to be closed.
At 39.0 feet, The southern tip of Wheeling Island including
Wheeling Downs Racetrack and Gaming and Wheeling Stadium are
flooded.
At 40.0 feet, Backwater flooding begins to affect Main Street near
the water treatment plant in Wheeling.
At 41.0 feet, Water street in Wheeling is flooded near the
intersections with 12th, 21st, 45th, and 48th Streets.
At 42.0 feet, Flooding reaches the intersection of 39th and
McColloch Streets and the intersection of Georgia and North Front
Streets in Wheeling.
At 42.7 feet, Much of southern half of Wheeling Island is flooded
and up to Erie Street on the northern half of the island. Low
lying sections of South Wheeling are flooded.
* ADDITIONAL DETAILS...
- At 9:30 AM EDT Thursday the stage was 40.1 feet.
- Bankfull stage is 36.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM EDT Thursday was 40.1 feet.
- Forecast...The river is expected to rise to a crest of 42.0
feet this evening. It will then fall below flood stage
tomorrow evening.
- Flood stage is 36.0 feet.
- Flood History...This crest compares to a previous crest of
42.2 feet on 01/07/2005.
- http://www.weather.gov/safety/flood
Locally dense fog has developed across the region with visibilities
at
some locations dropping to less than 1/4 of a mile.
Please exercise caution through the morning hours if you will be
traveling as visibilities can change rapidly over a short distance.
The fog is expected to dissipate by mid morning.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
* WHERE...Portions of east central Ohio and northern and the
northern panhandle of West Virginia.
* WHEN...Until 3 AM EST Saturday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
* WHAT...Snow expected. Total snow accumulations between 3 and 5
inches.
* WHERE...Portions of east central Ohio, northwest, southwest, and
western Pennsylvania, and northern and the northern panhandle of
West Virginia.
* WHEN...From 1 AM Friday to 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday morning and evening commutes.
* WHAT...Very cold wind chills. Wind chills as low as 15 below zero.
* WHERE...Portions of east central Ohio, northwest, southwest, and
western Pennsylvania, and northern and the northern panhandle of
West Virginia.
* WHEN...Until noon EST today.
* IMPACTS...The dangerously cold wind chills could result in
hypothermia or frostbite if precautions are not taken.