Alert archive / Pennsylvania / Winter Storm Warnings in 2009

Winter Storm Warning 2, NWS Pittsburgh, PA

January 9, 200911 counties in Pennsylvania; 10 counties in Ohio; Brooke County, Hancock County, Ohio County, West Virginia

NWS Pittsburgh, PA issued this winter storm warning at Jan 9, 2009, 12:32 PM EST for 11 counties in Pennsylvania; 10 counties in Ohio; Brooke County, Hancock County, Ohio County, West Virginia. It took effect at Jan 9, 2009, 5:00 PM EST. It was in force for 26 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 9, 2009, 12:32 PM EST (17:32 UTC)
In effect from
Jan 9, 2009, 5:00 PM EST
Expired
Jan 10, 2009, 7:13 PM EST
In force
26 hr
Issued by
NWS Pittsburgh, PA
All 24 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 27 km from the middle of the area, began a volume at 17:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.5 hours before the alert went out and 41 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2009-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2009-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS41 KPBZ 091732
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1232 PM EST FRI JAN 9 2009

OHZ041-PAZ007>009-013>016-020-022-023-100145-
/O.UPG.KPBZ.WS.A.0001.090110T0500Z-090111T0500Z/
/O.NEW.KPBZ.WS.W.0002.090109T2200Z-090111T0500Z/
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...SHARON...HERMITAGE...
GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...
SUGARCREEK...TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...
ZELIENOPLE...CLARION...PUNXSUTAWNEY...BROOKVILLE...
REYNOLDSVILLE...BROCKWAY...ALIQUIPPA...BEAVER FALLS...AMBRIDGE...
MONACA...BEAVER...KITTANNING...FORD CITY...LEECHBURG...FREEPORT...
APOLLO...INDIANA
1232 PM EST FRI JAN 9 2009

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO
MIDNIGHT EST SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW WHICH IS IN EFFECT FROM 5 PM THIS
AFTERNOON TO MIDNIGHT EST SATURDAY NIGHT. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO
VALLEY LATER TONIGHT AND SATURDAY. SNOW WILL DEVELOP THIS EVENING
AND BE HEAVY AT TIMES INTO SATURDAY NIGHT. TOTAL STORM
ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED. 

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.


$$

OHZ039-040-048>050-057>059-068-PAZ021-029-030-WVZ001>003-100145-
/O.UPG.KPBZ.WS.A.0001.090110T0500Z-090111T0500Z/
/O.NEW.KPBZ.WS.W.0002.090110T0000Z-090111T0000Z/
TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-
GUERNSEY-BELMONT-NOBLE-ALLEGHENY-WASHINGTON-WESTMORELAND-HANCOCK-
BROOKE-OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...DOVER...
UHRICHSVILLE...CARROLLTON...COSHOCTON...CADIZ...HOPEDALE...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...MARTINS FERRY...
ST. CLAIRSVILLE...BELLAIRE...BARNESVILLE...SHADYSIDE...
BRIDGEPORT...CALDWELL...PITTSBURGH METRO AREA...WASHINGTON...
CANONSBURG...DONORA...CALIFORNIA...CHARLEROI...MONONGAHELA...
MCMURRAY...GREENSBURG...NEW KENSINGTON...JEANNETTE...LATROBE...
MONESSEN...TORONTO...WEIRTON...WHEELING
1232 PM EST FRI JAN 9 2009

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
STORM WARNING FOR SNOW...FREEZING RAIN AND SLEET...WHICH IS IN
EFFECT FROM 7 PM THIS EVENING TO 7 PM EST SATURDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO
VALLEY LATER TONIGHT AND SATURDAY. SNOW WILL DEVELOP THIS EVENING
AND BE HEAVY AT TIMES INTO SATURDAY. THE SNOW WILL MIX WITH SLEET
AND FREEZING RAIN LATER SATURDAY. SNOWFALL TOTALS OF 4 TO 8 INCHES
ARE EXPECTED WITH A COATING OF ICE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.


$$

OHZ069-PAZ031-032-WVZ004-100145-
/O.UPG.KPBZ.WS.A.0001.090110T0500Z-090111T0500Z/
/O.NEW.KPBZ.WW.Y.0004.090110T0500Z-090111T0000Z/
MONROE-GREENE-FAYETTE-MARSHALL-
INCLUDING THE CITIES OF...WOODSFIELD...WAYNESBURG...FAIRDALE...
UNIONTOWN...CONNELLSVILLE...OHIOPYLE...MOUNDSVILLE
1232 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 PM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED SNOW...SLEET AND FREEZING RAIN...WHICH
IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST SATURDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO
VALLEY LATER TONIGHT AND SATURDAY. SNOW WILL BEGIN LATER TONIGHT
AND MIX WITH FREEZING RAIN AND SLEET ON SATURDAY. TOTAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED WITH AROUND A TENTH
OF AN INCH OF ICE. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.


$$

WVZ012-021-022-100145-
/O.NEW.KPBZ.WW.Y.0004.090110T0500Z-090111T0000Z/
WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...NEW MARTINSVILLE...FAIRMONT...
MORGANTOWN
1232 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 PM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED SNOW...SLEET AND FREEZING RAIN...WHICH
IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST SATURDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO
VALLEY LATER TONIGHT AND SATURDAY. SNOW WILL BEGIN LATER TONIGHT
AND MIX WITH FREEZING RAIN AND SLEET ON SATURDAY. TOTAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED WITH AROUND A TENTH
OF AN INCH OF ICE. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MDZ001-WVZ023-041-100145-
/O.NEW.KPBZ.WW.Y.0004.090110T0800Z-090111T0500Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...KINGWOOD...
TERRA ALTA...PARSONS...DAVIS...THOMAS
1232 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM SATURDAY TO
MIDNIGHT EST SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED SNOW...SLEET AND FREEZING RAIN...WHICH
IS IN EFFECT FROM 3 AM SATURDAY TO MIDNIGHT EST SATURDAY NIGHT. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO
VALLEY LATER TONIGHT AND SATURDAY. SNOW WILL BEGIN BEFORE DAYBREAK AND
MIX WITH FREEZING RAIN AND SLEET ON SATURDAY. TOTAL SNOW ACCUMULATIONS
OF 2 TO 4 INCHES CAN BE EXPECTED WITH AROUND A TENTH OF AN INCH OF
ICE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.



$$
6 follow-up statements
000 
WWUS41 KPBZ 092011
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
311 PM EST FRI JAN 9 2009

OHZ041-PAZ007>009-013>016-020-022-023-100415-
/O.CON.KPBZ.WS.W.0002.090109T2200Z-090111T0500Z/
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...SHARON...HERMITAGE...
GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...
SUGARCREEK...TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...
ZELIENOPLE...CLARION...PUNXSUTAWNEY...BROOKVILLE...
REYNOLDSVILLE...BROCKWAY...ALIQUIPPA...BEAVER FALLS...AMBRIDGE...
MONACA...BEAVER...KITTANNING...FORD CITY...LEECHBURG...FREEPORT...
APOLLO...INDIANA
311 PM EST FRI JAN 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SATURDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SATURDAY NIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. SNOW WILL DEVELOP THIS EVENING AND BE
HEAVY AT TIMES INTO SATURDAY NIGHT. TOTAL STORM ACCUMULATIONS OF
6 TO 10 INCHES ARE EXPECTED.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

OHZ039-040-048>050-057>059-068-PAZ021-029-030-WVZ001>003-100415-
/O.CON.KPBZ.WS.W.0002.090110T0000Z-090111T0000Z/
TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-
GUERNSEY-BELMONT-NOBLE-ALLEGHENY-WASHINGTON-WESTMORELAND-HANCOCK-
BROOKE-OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...DOVER...
UHRICHSVILLE...CARROLLTON...COSHOCTON...CADIZ...HOPEDALE...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...MARTINS FERRY...
ST. CLAIRSVILLE...BELLAIRE...BARNESVILLE...SHADYSIDE...
BRIDGEPORT...CALDWELL...PITTSBURGH METRO AREA...WASHINGTON...
CANONSBURG...DONORA...CALIFORNIA...CHARLEROI...MONONGAHELA...
MCMURRAY...GREENSBURG...NEW KENSINGTON...JEANNETTE...LATROBE...
MONESSEN...TORONTO...WEIRTON...WHEELING
311 PM EST FRI JAN 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST SATURDAY. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. SNOW WILL DEVELOP THIS EVENING AND BE
HEAVY AT TIMES INTO SATURDAY. THE SNOW WILL MIX WITH SLEET AND
FREEZING RAIN LATER SATURDAY. SNOWFALL TOTALS OF 4 TO 8 INCHES
ARE EXPECTED WITH A COATING OF ICE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

OHZ069-PAZ031-032-WVZ004-012-021-022-100415-
/O.CON.KPBZ.WW.Y.0004.090110T0500Z-090111T0000Z/
MONROE-GREENE-FAYETTE-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...WOODSFIELD...WAYNESBURG...FAIRDALE...
UNIONTOWN...CONNELLSVILLE...OHIOPYLE...MOUNDSVILLE...
NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
311 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 7 PM EST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 7 PM EST SATURDAY. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. SNOW WILL BEGIN LATER TONIGHT AND MIX
WITH FREEZING RAIN AND SLEET ON SATURDAY. TOTAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED WITH AROUND A
TENTH OF AN INCH OF ICE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MDZ001-WVZ023-041-100415-
/O.CON.KPBZ.WW.Y.0004.090110T0800Z-090111T0500Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...KINGWOOD...
TERRA ALTA...PARSONS...DAVIS...THOMAS
311 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM SATURDAY
TO MIDNIGHT EST SATURDAY NIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM SATURDAY TO
MIDNIGHT EST SATURDAY NIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. SNOW WILL BEGIN BEFORE DAYBREAK AND
MIX WITH FREEZING RAIN AND SLEET ON SATURDAY. TOTAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED WITH AROUND A
TENTH OF AN INCH OF ICE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS41 KPBZ 100337
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1037 PM EST FRI JAN 9 2009

OHZ041-PAZ007>009-013>016-020-022-023-101145-
/O.CON.KPBZ.WS.W.0002.000000T0000Z-090111T0500Z/
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...SHARON...HERMITAGE...
GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...
SUGARCREEK...TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...
ZELIENOPLE...CLARION...PUNXSUTAWNEY...BROOKVILLE...
REYNOLDSVILLE...BROCKWAY...ALIQUIPPA...BEAVER FALLS...AMBRIDGE...
MONACA...BEAVER...KITTANNING...FORD CITY...LEECHBURG...FREEPORT...
APOLLO...INDIANA
1037 PM EST FRI JAN 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SATURDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SATURDAY NIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. ALTHOUGH SNOW WILL ONLY ACCUMULATE ONE
TO THREE INCHES OVERNIGHT...MORE SIGNIFICANT SNOWFALL WILL
DEVELOP LATE TONIGHT AND BE HEAVY AT TIMES INTO SATURDAY NIGHT.
TOTAL STORM ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

OHZ039-040-048>050-057>059-068-PAZ021-029-030-WVZ001>003-101145-
/O.CON.KPBZ.WS.W.0002.000000T0000Z-090111T0000Z/
TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-
GUERNSEY-BELMONT-NOBLE-ALLEGHENY-WASHINGTON-WESTMORELAND-HANCOCK-
BROOKE-OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...DOVER...
UHRICHSVILLE...CARROLLTON...COSHOCTON...CADIZ...HOPEDALE...
STEUBENVILLE...ZANESVILLE...CAMBRIDGE...MARTINS FERRY...
ST. CLAIRSVILLE...BELLAIRE...BARNESVILLE...SHADYSIDE...
BRIDGEPORT...CALDWELL...PITTSBURGH METRO AREA...WASHINGTON...
CANONSBURG...DONORA...CALIFORNIA...CHARLEROI...MONONGAHELA...
MCMURRAY...GREENSBURG...NEW KENSINGTON...JEANNETTE...LATROBE...
MONESSEN...TORONTO...WEIRTON...WHEELING
1037 PM EST FRI JAN 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SATURDAY.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. ALTHOUGH SNOW WILL ONLY ACCUMULATE ONE
TO TWO INCHES OVERNIGHT...MORE SIGNIFICANT PRECIPITATION WILL
DEVELOP LATE TONIGHT AND BE HEAVY AT TIMES INTO SATURDAY. SNOW
WILL MIX WITH SLEET AND FREEZING RAIN ON SATURDAY. SNOWFALL TOTALS
OF 4 TO 8 INCHES ARE EXPECTED WITH A COATING OF ICE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

OHZ069-PAZ031-032-WVZ004-012-021-022-101145-
/O.EXT.KPBZ.WW.Y.0004.090110T1100Z-090111T0000Z/
MONROE-GREENE-FAYETTE-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...WOODSFIELD...WAYNESBURG...FAIRDALE...
UNIONTOWN...CONNELLSVILLE...OHIOPYLE...MOUNDSVILLE...
NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
1037 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 AM TO 7 PM EST
SATURDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 6 AM TO 7 PM
EST SATURDAY. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. ALTHOUGH SNOW WILL ONLY ACCUMULATE UP
TO AN INCH OVERNIGHT...MORE SIGNIFICANT PRECIPITATION WILL BEGIN
EARLY SATURDAY MORNING. EXPECT SNOW TO MIX WITH FREEZING RAIN AND
SLEET ON SATURDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN
BE EXPECTED WITH AROUND A TENTH OF AN INCH OF ICE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MDZ001-WVZ023-041-101145-
/O.EXT.KPBZ.WW.Y.0004.090110T1400Z-090111T0500Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...KINGWOOD...
TERRA ALTA...PARSONS...DAVIS...THOMAS
1037 PM EST FRI JAN 9 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 AM SATURDAY TO
MIDNIGHT EST SATURDAY NIGHT...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 9 AM SATURDAY
TO MIDNIGHT EST SATURDAY NIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. ALTHOUGH SNOW ACCUMULATION WILL BE
LESS THAN AN INCH OVERNIGHT...MORE SIGNIFICANT PRECIPITATION
WILL BEGIN AFTER SUNRISE. EXPECT SNOW TO MIX WITH FREEZING RAIN
AND SLEET ON SATURDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES
CAN BE EXPECTED WITH AROUND A TENTH OF AN INCH OF ICE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

33
000 
WWUS41 KPBZ 100920
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
420 AM EST SAT JAN 10 2009

OHZ039-040-048>050-058-059-PAZ021-WVZ001-101730-
/O.CAN.KPBZ.WS.W.0002.000000T0000Z-090111T0000Z/
/O.EXB.KPBZ.WW.Y.0004.090110T0920Z-090111T0500Z/
TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-GUERNSEY-
BELMONT-ALLEGHENY-HANCOCK-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...DOVER...
UHRICHSVILLE...CARROLLTON...COSHOCTON...CADIZ...HOPEDALE...
STEUBENVILLE...CAMBRIDGE...MARTINS FERRY...ST. CLAIRSVILLE...
BELLAIRE...BARNESVILLE...SHADYSIDE...BRIDGEPORT...
PITTSBURGH METRO AREA...TORONTO
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN
EFFECT UNTIL MIDNIGHT EST TONIGHT. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
INTO THIS EVENING. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
OVERSPREAD THE REGION BY MID TO LATE MORNING...CONTINUING THROUGH
THIS EVENING. EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 4
INCHES...WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ057-068-PAZ029-WVZ002-003-101730-
/O.CAN.KPBZ.WS.W.0002.000000T0000Z-090111T0000Z/
/O.EXB.KPBZ.WW.Y.0004.090110T0920Z-090110T2300Z/
MUSKINGUM-NOBLE-WASHINGTON-BROOKE-OHIO-
INCLUDING THE CITIES OF...ZANESVILLE...CALDWELL...WASHINGTON...
CANONSBURG...DONORA...CALIFORNIA...CHARLEROI...MONONGAHELA...
MCMURRAY...WEIRTON...WHEELING
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN
EFFECT UNTIL 6 PM EST THIS AFTERNOON. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY.
A MIX OF SNOW...SLEET AND FREEZING RAIN WILL OVERSPREAD THE
REGION THIS MORNING...CONTINUING THROUGH THIS AFTERNOON. EXPECT
TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES...WITH ICE ACCUMULATIONS
OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

PAZ030-101730-
/O.CAN.KPBZ.WS.W.0002.000000T0000Z-090111T0000Z/
/O.EXB.KPBZ.WW.Y.0004.090110T0920Z-090111T1100Z/
WESTMORELAND-
INCLUDING THE CITIES OF...GREENSBURG...NEW KENSINGTON...
JEANNETTE...LATROBE...MONESSEN
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN
EFFECT UNTIL 6 AM EST SUNDAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
AND TONIGHT. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
OVERSPREAD THE REGION BY MID TO LATE MORNING...CONTINUING INTO THE
OVERNIGHT HOURS. EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES...WITH
ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ041-PAZ020-101730-
/O.CAN.KPBZ.WS.W.0002.000000T0000Z-090111T0500Z/
/O.EXB.KPBZ.WW.Y.0004.090110T0920Z-090111T0500Z/
COLUMBIANA-BEAVER-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...ALIQUIPPA...
BEAVER FALLS...AMBRIDGE...MONACA...BEAVER
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN
EFFECT UNTIL MIDNIGHT EST TONIGHT. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
INTO THIS EVENING. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
OVERSPREAD THE REGION BY MID TO LATE MORNING...CONTINUING THROUGH
THIS EVENING. EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 4
INCHES...WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ069-PAZ031-WVZ004-012-021-022-101030-
/O.CAN.KPBZ.WW.Y.0004.090110T1100Z-090111T0000Z/
MONROE-GREENE-MARSHALL-WETZEL-MARION-MONONGALIA-
INCLUDING THE CITIES OF...WOODSFIELD...WAYNESBURG...FAIRDALE...
MOUNDSVILLE...NEW MARTINSVILLE...FAIRMONT...MORGANTOWN
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

LOW PRESSURE WILL CROSS THE OHIO VALLEY TODAY. EXPECT A MINOR
CHANCE OF FREEZING RAIN...SLEET AND SNOW THIS MORNING BEFORE
THE PRECIPITATION INCREASES AND BECOMES RAIN BY THIS AFTERNOON.
THUS...THE WINTER WEATHER ADVISORY IS CANCELLED.

$$

PAZ007>009-013>016-022-023-101730-
/O.EXT.KPBZ.WS.W.0002.000000T0000Z-090111T1100Z/
MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-
ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...SHARON...HERMITAGE...GROVE CITY...
GREENVILLE...FARRELL...OIL CITY...FRANKLIN...SUGARCREEK...
TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...ZELIENOPLE...
CLARION...PUNXSUTAWNEY...BROOKVILLE...REYNOLDSVILLE...BROCKWAY...
KITTANNING...FORD CITY...LEECHBURG...FREEPORT...APOLLO...INDIANA
420 AM EST SAT JAN 10 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM EST SUNDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM EST SUNDAY. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
LATER TONIGHT AND SATURDAY. SNOW WILL INCREASE THIS
MORNING...BECOMING HEAVY AT TIMES THIS AFTERNOON AND EVENING BEFORE
BEGINNING TO DIMINISH OVERNIGHT. IN ADDITION...THE PRECIPITATION
MAY MIX WITH SLEET AND FREEZING RAIN THIS AFTERNOON AND EVENING.
TOTAL STORM ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH
ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

PAZ032-101730-
/O.EXT.KPBZ.WW.Y.0004.090110T1400Z-090111T1100Z/
FAYETTE-
INCLUDING THE CITIES OF...UNIONTOWN...CONNELLSVILLE...OHIOPYLE
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING
TO 6 AM EST SUNDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 9 AM THIS
MORNING TO 6 AM EST SUNDAY. 

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
AND TONIGHT. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
OVERSPREAD THE REGION BY MID TO LATE MORNING...CONTINUING INTO THE
OVERNIGHT HOURS. EXPECT TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES...WITH
ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

MDZ001-WVZ023-041-101730-
/O.CON.KPBZ.WW.Y.0004.090110T1400Z-090111T0500Z/
GARRETT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...KINGWOOD...
TERRA ALTA...PARSONS...DAVIS...THOMAS
420 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO MIDNIGHT EST TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO MIDNIGHT EST TONIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
INTO THIS EVENING. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
OVERSPREAD THE REGION BY MID TO LATE MORNING...CONTINUING THROUGH
THIS EVENING. EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 4
INCHES...WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$
000 
WWUS41 KPBZ 101536
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1036 AM EST SAT JAN 10 2009

OHZ041-PAZ020-102345-
/O.UPG.KPBZ.WW.Y.0004.000000T0000Z-090111T0500Z/
/O.EXA.KPBZ.WS.W.0002.000000T0000Z-090111T1100Z/
COLUMBIANA-BEAVER-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...ALIQUIPPA...
BEAVER FALLS...AMBRIDGE...MONACA...BEAVER
1036 AM EST SAT JAN 10 2009

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM EST
SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
THROUGH THIS EVENING. SNOW WILL BE HEAVY AT TIMES BEFORE
BEGINNING TO DIMINISH THIS EVENING. IN ADDITION...THE
PRECIPITATION MAY MIX WITH SLEET AND FREEZING RAIN THIS AFTERNOON
AND EVENING. TOTAL STORM ACCUMULATIONS OF 6 TO 8 INCHES ARE
EXPECTED...WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH
POSSIBLE.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.


$$

PAZ007>009-013>016-022-023-102345-
/O.CON.KPBZ.WS.W.0002.000000T0000Z-090111T1100Z/
MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-
ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...SHARON...HERMITAGE...GROVE CITY...
GREENVILLE...FARRELL...OIL CITY...FRANKLIN...SUGARCREEK...
TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...ZELIENOPLE...
CLARION...PUNXSUTAWNEY...BROOKVILLE...REYNOLDSVILLE...BROCKWAY...
KITTANNING...FORD CITY...LEECHBURG...FREEPORT...APOLLO...INDIANA
1036 AM EST SAT JAN 10 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY. 

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE OHIO VALLEY
THROUGH THIS EVENING. SNOW WILL BE HEAVY AT TIMES BEFORE
BEGINNING TO DIMINISH OVERNIGHT. IN ADDITION...THE PRECIPITATION
MAY MIX WITH SLEET AND FREEZING RAIN THIS AFTERNOON AND EVENING.
TOTAL STORM ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH
ICE ACCUMULATIONS OF AROUND ONE TENTH INCH POSSIBLE.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ069-PAZ031-WVZ004-102300-
/O.EXA.KPBZ.WW.Y.0004.000000T0000Z-090110T2300Z/
MONROE-GREENE-MARSHALL-
INCLUDING THE CITIES OF...WOODSFIELD...WAYNESBURG...FAIRDALE...
MOUNDSVILLE
1036 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN
EFFECT UNTIL 6 PM EST THIS AFTERNOON.

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY. A
MIX OF SNOW...SLEET AND FREEZING RAIN WILL CONTINUE THROUGH THIS
AFTERNOON. EXPECT TOTAL SNOW ACCUMULATIONS UP TO AN INCH...WITH
ICE ACCUMULATIONS BETWEEN ONE AND TWO TENTHS OF AN INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

MDZ001-OHZ039-040-048>050-058-059-PAZ021-WVZ001-023-041-102345-
/O.CON.KPBZ.WW.Y.0004.000000T0000Z-090111T0500Z/
GARRETT-TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-
GUERNSEY-BELMONT-ALLEGHENY-HANCOCK-PRESTON-TUCKER-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...
NEW PHILADELPHIA...DOVER...UHRICHSVILLE...CARROLLTON...
COSHOCTON...CADIZ...HOPEDALE...STEUBENVILLE...CAMBRIDGE...
MARTINS FERRY...ST. CLAIRSVILLE...BELLAIRE...BARNESVILLE...
SHADYSIDE...BRIDGEPORT...PITTSBURGH METRO AREA...TORONTO...
KINGWOOD...TERRA ALTA...PARSONS...DAVIS...THOMAS
1036 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY
INTO THIS EVENING. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL
CONTINUE THROUGH THIS EVENING. EXPECT TOTAL SNOW ACCUMULATIONS OF
2 TO 4 INCHES... WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH
POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ057-068-PAZ029-WVZ002-003-102300-
/O.CON.KPBZ.WW.Y.0004.000000T0000Z-090110T2300Z/
MUSKINGUM-NOBLE-WASHINGTON-BROOKE-OHIO-
INCLUDING THE CITIES OF...ZANESVILLE...CALDWELL...WASHINGTON...
CANONSBURG...DONORA...CALIFORNIA...CHARLEROI...MONONGAHELA...
MCMURRAY...WEIRTON...WHEELING
1036 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. 

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY. A
MIX OF SNOW...SLEET AND FREEZING RAIN WILL CONTINUE THROUGH THIS
AFTERNOON. EXPECT TOTAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES...WITH
ICE ACCUMULATIONS BETWEEN ONE AND TWO TENTHS OF AN INCH POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

PAZ030-032-102345-
/O.CON.KPBZ.WW.Y.0004.000000T0000Z-090111T1100Z/
WESTMORELAND-FAYETTE-
INCLUDING THE CITIES OF...GREENSBURG...NEW KENSINGTON...
JEANNETTE...LATROBE...MONESSEN...UNIONTOWN...CONNELLSVILLE...
OHIOPYLE
1036 AM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY. 

A STRONG LOW PRESSURE SYSTEM WILL CROSS THE OHIO VALLEY TODAY AND
TONIGHT. A MIX OF SNOW...SLEET AND FREEZING RAIN WILL CONTINUE
THROUGH TONIGHT. EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 4
INCHES...WITH ICE ACCUMULATIONS OF AROUND ONE TENTH INCH
POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$
000 
WWUS41 KPBZ 102103
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
403 PM EST SAT JAN 10 2009

OHZ058-059-WVZ023-041-102215-
/O.CAN.KPBZ.WW.Y.0004.000000T0000Z-090111T0500Z/
GUERNSEY-BELMONT-PRESTON-TUCKER-
INCLUDING THE CITIES OF...CAMBRIDGE...MARTINS FERRY...
ST. CLAIRSVILLE...BELLAIRE...BARNESVILLE...SHADYSIDE...
BRIDGEPORT...KINGWOOD...TERRA ALTA...PARSONS...DAVIS...THOMAS
403 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

FREEZING RAIN HAS ENDED AS TEMPERATURES HAVE RISEN ABOVE THE FREEZING
MARK ACROSS THE AREA.

$$

OHZ057-068-069-PAZ031-WVZ004-102215-
/O.CAN.KPBZ.WW.Y.0004.000000T0000Z-090110T2300Z/
MUSKINGUM-NOBLE-MONROE-GREENE-MARSHALL-
INCLUDING THE CITIES OF...ZANESVILLE...CALDWELL...WOODSFIELD...
WAYNESBURG...FAIRDALE...MOUNDSVILLE
403 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

FREEZING RAIN HAS ENDED AS TEMPERATURES HAVE RISEN ABOVE THE FREEZING
MARK ACROSS THE AREA.

$$

OHZ041-PAZ007>009-013>016-020-022-023-110500-
/O.EXT.KPBZ.WS.W.0002.000000T0000Z-090111T0500Z/
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...SHARON...HERMITAGE...
GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...
SUGARCREEK...TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...
ZELIENOPLE...CLARION...PUNXSUTAWNEY...BROOKVILLE...
REYNOLDSVILLE...BROCKWAY...ALIQUIPPA...BEAVER FALLS...AMBRIDGE...
MONACA...BEAVER...KITTANNING...FORD CITY...LEECHBURG...FREEPORT...
APOLLO...INDIANA
403 PM EST SAT JAN 10 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A LOW PRESSURE SYSTEM WILL MOVE EASTWARD ACROSS NORTHERN WEST
VIRGINIA THIS EVENING AND OFF THE ATLANTIC COAST BY LATE TONIGHT.
BETWEEN 6 AND 10 INCHES OF SNOW HAS ALREADY FALLEN ACROSS THE
REGION. ADDITIONAL SNOW ACCUMULATION OF 1 TO 3 INCHES IS EXPECTED
THROUGH EARLY TONIGHT. SNOW WILL BECOME MIXED WITH FREEZING RAIN
SOUTH OF INTERSTATE 80 EARLY TONIGHT WITH ICE ACCUMULATIONS AROUND
ONE TENTH OF AN INCH POSSIBLE.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

MDZ001-OHZ039-040-048>050-PAZ021-029-030-032-WVZ001>003-110200-
/O.EXT.KPBZ.WW.Y.0004.000000T0000Z-090111T0200Z/
GARRETT-TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-
ALLEGHENY-WASHINGTON-WESTMORELAND-FAYETTE-HANCOCK-BROOKE-OHIO-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE...
NEW PHILADELPHIA...DOVER...UHRICHSVILLE...CARROLLTON...
COSHOCTON...CADIZ...HOPEDALE...STEUBENVILLE...
PITTSBURGH METRO AREA...WASHINGTON...CANONSBURG...DONORA...
CALIFORNIA...CHARLEROI...MONONGAHELA...MCMURRAY...GREENSBURG...
NEW KENSINGTON...JEANNETTE...LATROBE...MONESSEN...UNIONTOWN...
CONNELLSVILLE...OHIOPYLE...TORONTO...WEIRTON...WHEELING
403 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM EST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 PM EST THIS
EVENING. 

A LOW PRESSURE SYSTEM WILL MOVE ACROSS NORTHERN WEST VIRGINIA
THIS EVENING AND OFF THE ATLANTIC COAST BY LATE TONIGHT.
AREAS OF RAIN AND FREEZING RAIN WILL CONTINUE THROUGH THIS
EVENING. ICE ACCUMULATIONS AROUND ONE TENTH OF AN INCH ARE POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$
000 
WWUS41 KPBZ 110013
WSWPBZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
713 PM EST SAT JAN 10 2009

OHZ041-PAZ007>009-013>016-020-022-023-110500-
/O.CAN.KPBZ.WS.W.0002.000000T0000Z-090111T0500Z/
/O.EXB.KPBZ.WW.Y.0004.000000T0000Z-090111T0500Z/
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
INCLUDING THE CITIES OF...EAST LIVERPOOL...SALEM...COLUMBIANA...
EAST PALESTINE...WELLSVILLE...CALCUTTA...SHARON...HERMITAGE...
GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...
SUGARCREEK...TIONESTA...NEW CASTLE...ELLWOOD CITY...BUTLER...
ZELIENOPLE...CLARION...PUNXSUTAWNEY...BROOKVILLE...
REYNOLDSVILLE...BROCKWAY...ALIQUIPPA...BEAVER FALLS...AMBRIDGE...
MONACA...BEAVER...KITTANNING...FORD CITY...LEECHBURG...FREEPORT...
APOLLO...INDIANA
713 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR LIGHT FREEZING RAIN...WHICH IS IN EFFECT
UNTIL MIDNIGHT EST TONIGHT. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

THE THREAT OF HEAVY SNOW AND RAPIDLY ACCUMULATING ICE HAS
ENDED...SO THE NATIONAL WEATHER SERVICE HAS CANCELLED THE WINTER
STORM WARNING.

HOWEVER, A WINTER WEATHER ADVISORY HAS BEEN ISSUED AS AREAS OF
FREEZING DRIZZLE OR LIGHT FREEZING RAIN...ALONG WITH SCATTERED
SNOW SHOWERS...WILL CONTINUE TO PLAGUE THE AREA THIS EVENING.
THIN ICE ACCUMULATION OF LESS THAN A TENTH OF AN INCH IS POSSIBLE.
HOWEVER, EVEN THIN ICE ACCUMULATION IS SUFFICIENT FOR DRIVING
DIFFICULTIES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW OR LIGHT
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. PLEASE REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ048-PAZ030-032-110115-
/O.CAN.KPBZ.WW.Y.0004.000000T0000Z-090111T0200Z/
COSHOCTON-WESTMORELAND-FAYETTE-
INCLUDING THE CITIES OF...COSHOCTON...GREENSBURG...
NEW KENSINGTON...JEANNETTE...LATROBE...MONESSEN...UNIONTOWN...
CONNELLSVILLE...OHIOPYLE
713 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

PRECIPITATION CONTINUES TO DIMINISH IN COVERAGE AND TEMPERATURES
HAVE RISEN ABOVE FREEZING OVER MOST AREAS.

$$

MDZ001-110500-
/O.EXT.KPBZ.WW.Y.0004.000000T0000Z-090111T0500Z/
GARRETT-
INCLUDING THE CITIES OF...OAKLAND MD...GRANTSVILLE
713 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

AREAS OF FREEZING RAIN WILL CONTINUE THROUGH THIS EVENING. ICE
ACCUMULATIONS AROUND ONE TENTH OF AN INCH ARE POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

OHZ039-040-049-050-PAZ021-029-WVZ001>003-110200-
/O.CON.KPBZ.WW.Y.0004.000000T0000Z-090111T0200Z/
TUSCARAWAS-CARROLL-HARRISON-JEFFERSON OH-ALLEGHENY-WASHINGTON-
HANCOCK-BROOKE-OHIO-
INCLUDING THE CITIES OF...NEW PHILADELPHIA...DOVER...
UHRICHSVILLE...CARROLLTON...CADIZ...HOPEDALE...STEUBENVILLE...
PITTSBURGH METRO AREA...WASHINGTON...CANONSBURG...DONORA...
CALIFORNIA...CHARLEROI...MONONGAHELA...MCMURRAY...TORONTO...
WEIRTON...WHEELING
713 PM EST SAT JAN 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING. 

AREAS OF LIGHT FREEZING RAIN AND FREEZING DRIZZLE WILL CONTINUE
THROUGH THE EVENING. ICE ACCUMULATIONS OF LESS THAN A TENTH ARE EXPECTED.
HOWEVER, EVEN THIN ICE ACCUMULATION IS SUFFICIENT FOR DRIVING
DIFFICULTIES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN
MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. PLEASE
REPORT HAZARDOUS WINTER WEATHER CONDITIONS TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.

$$

15

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this winter storm warning went out at Jan 9, 10:59 AM EST, 1 hour 33 minutes earlier.

Area forecast discussion, Jan 9, 10:59 AM EST, 1 hour 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
1059 AM EST FRI JAN 9 2009

.SYNOPSIS...
AFTER A BRIEF BREAK IN SNOW SHOWER ACTIVITY TODAY...A MAJOR WINTER
STORM WILL AFFECT THE REGION FOR TONIGHT THROUGH SATURDAY
NIGHT. A COLD AND WINTRY PERIOD IS EXPECTED FOR THE WEEK AHEAD.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
LEFT OVER FLURRIES INTO THE AFTERNOON BEFORE WARM ADVECTION SNOW
BEGINS TO MOVE IN LATE DAY FROM OHIO. NO CHANGES TO REMAINDER OF
FORECAST BUT WILL ISSUE UPDATED PACKAGE EARLY AFTERNOON TO UPGRADE
WATCH AND BETTER DEFINE SNOW AMOUNTS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/...
MODELS ARE COMING TOGETHER WITH A COLDER...MORE SOUTHERN TRACK FOR
THE NEXT SYSTEM. SO LOW CENTER SHOULD STAY SOUTH OF FORECAST AREA.
THIS WILL RESULT IN PRIMARILY SNOW...EXCEPT FAR SOUTH...WHERE A
WINTRY MIX WILL BE POSSIBLE. WITH THIS TRACK...LOOKS LIKE THE MOST
FAVORABLE LOCATION FOR A MORE PROLONGED BAND OF MODERATE SNOW WILL
BE BETWEEN INTERSTATES 76 AND 80. DURING THE 24 HOUR PERIOD FROM
MIDNIGHT TONIGHT THROUGH MIDNIGHT SATURDAY...COULD SEE A FEW
LOCATIONS WITH AROUND A FOOT OF ACCUMULATION IN THIS MOST
FAVORABLE REGION. WHILE SNOWFALL AMOUNTS SHOULD BE MUCH LOWER
SOUTH OF THE PA BORDER...A WINTRY MIX OF FREEZING RAIN/RAIN/SNOW
WILL BE POSSIBLE THERE. WILL HOLD ONTO THE WATCH WITH THIS
ISSUANCE AND EXTEND IT THROUGH MIDNIGHT SATURDAY NIGHT...ALLOWING
THE DAY SHIFT TO FINE TUNE ANY REMAINING PTYPE CONCERNS BASED ON
NEW GUIDANCE FOR ANY NECESSARY WARNING/ADVISORY PRODUCTS. THE LOW
QUICKLY PULLS EAST SATURDAY NIGHT...WITH NOT MUCH PRECIP LEFTOVER
BEHIND IT.

&&

.LONG TERM /SUNDAY THROUGH THURSDAY/...
COLD PATTERN THROUGH THIS PERIOD WITH AN UPPER TROUGH IN THE EASTERN
USA AND A RIDGE IN THE WEST. GFS ENSEMBLE HAS CLIPPER SYSTEMS
PASSING THROUGH ABOUT EVERY 24 HOURS WITH SNOW SHOWERS.

&&

.AVIATION /16Z FRIDAY THROUGH TUESDAY/...
MVFR CONDITIONS WILL PREVAIL OVERNIGHT...WITH LOCAL IFR CONDITIONS
FOR WESTERN PA TERMINALS IN SCATTERED SNOW SHOWERS. SNOW SHOWERS
WILL END ACROSS WESTERN PA THIS MORNING AS LOW PRESSURE DEPARTS
TO THE EAST AND WINDS TURN MORE TO THE SOUTHWEST. CONDITIONS WILL
IMPROVE TO VFR ACROSS EASTERN OHIO AFTER DAYBREAK...AND ACROSS
WESTERN PA BY LATE MORNING/EARLY AFTN. HOWEVER...THINK MOST AREAS
WILL REMAIN OVERCAST FOR MOST OF THE DAY.

THE NEXT SYSTEM WILL APPROACH THE AREA FRIDAY EVENING...WITH SNOW
BEGINNING ACROSS THE NORTHERN TERMINALS BY 00Z OR SO...PUSHING
SOUTH TO PIT BY 06Z...AND POINTS FURTHER SOUTH BY SATURDAY MORNING.
TRACK OF THE SURFACE LOW WILL BE CRITICAL FOR PRECIP TYPE...ESPECIALLY
FOR ZZV/MGW WHERE A PERIOD OF FREEZING RAIN/SLEET WILL BE POSSIBLE
SATURDAY. EXPECT A 18-30 HOUR PERIOD OF IFR CONDITIONS IN WIDESPREAD
PRECIP FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING BEFORE SOME
IMPROVEMENT BEGINS. VFR CONDITIONS WILL PREVAIL FOR MOST AREAS
SUNDAY...WITH ANOTHER SYSTEM PROGGED TO BRING SNOW/RESTRICTIONS
FOR EARLY NEXT WEEK.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...WINTER STORM WATCH FROM LATE TONIGHT THROUGH SATURDAY EVENING
     FOR OHZ039>041-048>050-057>059-068-069.
PA...WINTER STORM WATCH FROM LATE TONIGHT THROUGH SATURDAY EVENING
     FOR PAZ007>009-013>016-020>023-029>032.
WV...WINTER STORM WATCH FROM LATE TONIGHT THROUGH SATURDAY EVENING
     FOR WVZ001>004.

&&
Hazardous weather outlook, Jan 9, 4:24 AM EST, 8 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
424 AM EST FRI JAN 9 2009

MDZ001-WVZ012-021>023-041-100930-
GARRETT-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
424 AM EST FRI JAN 9 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND AND NORTHERN
WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

A SIGNIFICANT WINTER STORM SYSTEM WILL MOVE TOWARD THE REGION
TONIGHT. THIS WILL BRING THE CHANCE FOR A WINTRY MIX OF SNOW AND
FREEZING RAIN TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

AS A STORM SYSTEM PASSES JUST TO THE SOUTH OF THE REGION
SATURDAY...A PERIOD WITH A WINTRY MIX WILL BE POSSIBLE. SNOW
SHOWERS WILL THEN BE POSSIBLE SATURDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

OHZ041-PAZ007>009-013>016-020-022-023-100930-
COLUMBIANA-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-
JEFFERSON PA-BEAVER-ARMSTRONG-INDIANA-
424 AM EST FRI JAN 9 2009

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHWEST
PENNSYLVANIA...SOUTHWEST PENNSYLVANIA AND WEST CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

OHZ039-040-048>050-057>059-068-069-PAZ021-029>032-WVZ001>004-100930-
TUSCARAWAS-CARROLL-COSHOCTON-HARRISON-JEFFERSON OH-MUSKINGUM-
GUERNSEY-BELMONT-NOBLE-MONROE-ALLEGHENY-WASHINGTON-WESTMORELAND-
GREENE-FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-
424 AM EST FRI JAN 9 2009

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...SOUTHWEST
PENNSYLVANIA AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 9, 12:32 PM ESTWinter Weather AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more34 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2009Winter Storm Warnings in Ohio, 2009Winter Storm Warnings in West Virginia, 2009Every winter storm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.