Alert archive / Pennsylvania / Winter Storm Warnings in 2011

Winter Storm Warning 5, NWS State College, PA

February 20, 20118 counties in Pennsylvania

NWS State College, PA issued this winter storm warning at Feb 20, 2011, 2:03 PM EST for 8 counties in Pennsylvania. It took effect at Feb 20, 2011, 7:00 PM EST. It was in force for 15 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
Feb 20, 2011, 2:03 PM EST (19:03 UTC)
In effect from
Feb 20, 2011, 7:00 PM EST
Expired
Feb 21, 2011, 10:00 AM EST
In force
15 hr
Issued by
NWS State College, PA

Counties Cameron County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Sullivan County, PA, Tioga County, PA, Warren County, PA

The radar

The State College radar (KCCX), 75 km from the middle of the area, began a volume at 19:04 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.1 hours before the alert went out and 161 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, Buffalo Intl Airport, NY at 12:00Z on 2011-02-20Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2011-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
848 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
3 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.

025 
WWUS41 KCTP 201903
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
203 PM EST SUN FEB 20 2011

...WINTRY MIX TONIGHT...

.A STORM SYSTEM WILL TRACK EAST FROM THE PLAINS STATES...
SPREADING HEAVY SNOW OVER NORTHERN PENNSYLVANIA AND A WINTRY MIX
ACROSS CENTRAL AND SOUTHERN AREAS TONIGHT THROUGH MONDAY. 

PAZ004>006-010-011-037-210600-
/O.UPG.KCTP.WW.Y.0011.110221T0000Z-110221T1700Z/
/O.NEW.KCTP.WS.W.0005.110221T0000Z-110221T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-TIOGA-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...MANSFIELD...WELLSBORO
203 PM EST SUN FEB 20 2011

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO NOON EST MONDAY. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* LOCATION...CENTRAL AND NORTHERN PENNSYLVANIA.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...6 TO 10 INCHES BY LATE MONDAY MORNING.

* TIMING...SNOW WILL ARRIVE DURING THE EARLY EVENING AND CONTINUE
  MODERATELY THROUGH MIDDAY MONDAY MORNING. UP TO ONE INCH PER
  HOUR SNOWFALL RATES ARE EXPECTED FROM LATE TONIGHT THROUGH EARLY
  MONDAY MORNING.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH MONDAY 
  MORNING. 

* IMPACTS...SNOW COVERED AND SLIPPERY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS A SIGNIFICANT AMOUNT
OF SNOW IS FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKET AND A CELLULAR
PHONE IN YOUR VEHICLE IN CASE OF AN EMERGENCY. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ024>028-033>036-056-057-059-063>066-210600-
/O.EXB.KCTP.WW.Y.0011.110221T0000Z-110221T1200Z/
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...JOHNSTOWN...ALTOONA...HUNTINGDON...
MOUNT UNION...LEWISTOWN...MIFFLINTOWN...SOMERSET...BEDFORD...
MCCONNELLSBURG...CHAMBERSBURG...NEWPORT...HARRISBURG...HERSHEY...
LEBANON...CARLISLE...GETTYSBURG...YORK...LANCASTER
203 PM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT FROM 
7 PM THIS EVENING TO 7 AM EST MONDAY.

* LOCATION...LAUREL HIGHLANDS...SOUTH CENTRAL MOUNTAINS AND LOWER
  SUSQUEHANNA RIVER VALLEY

* PRECIPITATION TYPE...A MIX OF SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...GENERALLY 1 TO 3 INCHES OF SNOW AND SLEET...BUT
  LOCALLY 5 OVER NORTHERN SOMERSET AND CAMBRIA COUNTIES. ICE
  ACCUMULATIONS UP TO ONE TENTH OF AN INCH. 

* TIMING...SNOW WILL ARRIVE DURING THE EARLY EVENING...THEN CHANGE
  TO A MIX OF SLEET AND FREEZING RAIN AFTER MIDNIGHT. MIXED
  PRECIPITATION WILL CHANGE TO RAIN BY 7 AM MONDAY MORNING.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH EARLY
  MONDAY AFTERNOON.

* IMPACTS...SNOW COVERED OR SLUSHY ROADS...ICY SPOTS ON UNTREATED
  ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ012-017>019-041-042-045-046-049>053-058-210600-
/O.CON.KCTP.WW.Y.0011.110221T0000Z-110221T1700Z/
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-
NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-
UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...STATE COLLEGE...LAPORTE...LOCK HAVEN...
WILLIAMSPORT...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...POTTSVILLE
203 PM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO NOON EST MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO NOON EST MONDAY. 

* LOCATION...CENTRAL AND NORTH CENTRAL MOUNTAINS.

* PRECIPITATION TYPE...A MIX OF SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...3 TO 6 INCHES OF SNOW ALONG THE I-80 CORRIDOR.
  ICE ACCUMULATIONS LESS THAN ONE TENTH OF AN INCH.

* TIMING...SNOW WILL ARRIVE DURING THE EARLY EVENING...THEN MIX
  WITH OR CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN AFTER
  MIDNIGHT FROM SOUTH TO NORTH. MIXED PRECIPITATION WILL TAPER OFF
  BY LATE MONDAY MORNING.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH MONDAY
  AFTERNOON.

* IMPACTS...POOR DRIVING CONDITIONS...ICY SPOTS ON UNTREATED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

DEVOIR
3 follow-up statements
895 
WWUS41 KCTP 210150
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
850 PM EST SUN FEB 20 2011

...WINTRY MIX TONIGHT...

.A STORM SYSTEM WILL TRACK EAST FROM THE PLAINS STATES...
SPREADING HEAVY SNOW OVER NORTHERN PENNSYLVANIA AND A WINTRY MIX
ACROSS CENTRAL AND SOUTHERN AREAS TONIGHT THROUGH MONDAY.

PAZ004>006-010-011-037-211000-
/O.CON.KCTP.WS.W.0005.000000T0000Z-110221T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-TIOGA-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...MANSFIELD...WELLSBORO
850 PM EST SUN FEB 20 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST MONDAY. 

* LOCATION...CENTRAL AND NORTHERN PENNSYLVANIA.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...6 TO 10 INCHES BY LATE MONDAY MORNING.

* TIMING...SNOW WILL CONTINUE THROUGH MIDDAY MONDAY MORNING. HEAVY
  SNOWFALL RATES OF UP TO ONE INCH PER HOUR ARE EXPECTED BETWEEN
  10 PM AND 6 AM.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH MONDAY 
  MORNING. 

* IMPACTS...SNOW COVERED AND SLIPPERY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS A SIGNIFICANT AMOUNT
OF SNOW IS FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKET AND A CELLULAR
PHONE IN YOUR VEHICLE IN CASE OF AN EMERGENCY. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ017>019-024>028-056-057-059-063-211000-
/O.EXT.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-
HUNTINGDON-MIFFLIN-JUNIATA-PERRY-DAUPHIN-LEBANON-CUMBERLAND-
INCLUDING THE CITIES OF...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...JOHNSTOWN...ALTOONA...HUNTINGDON...MOUNT UNION...
LEWISTOWN...MIFFLINTOWN...NEWPORT...HARRISBURG...HERSHEY...
LEBANON...CARLISLE
850 PM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST MONDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST
MONDAY. 

* LOCATION...LOCATIONS NEAR CLEARFIELD...STATE
  COLLEGE...NEWPORT...HARRISBURG AND LEBANON.

* PRECIPITATION TYPE...A MIX OF SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...GENERALLY 1 TO 3 INCHES OF SNOW AND SLEET.
  ISOLATED LOCAL AMOUNTS OF 4 OR 5 INCHES ARE POSSIBLE ON THE
  HIGHER ELEVATIONS. ICE ACCUMULATIONS WILL BE BETWEEN ONE TENTH
  AND ONE-QUARTER OF AN INCH.

* TIMING...SNOW WILL TURN TO A MIX OF SNOW AND SLEET...THEN TURN
  TO MAINLY FREEZING RAIN OR SLEET AFTER MIDNIGHT. THE MIXED
  PRECIPITATION WILL TAPER OFF EARLY MONDAY MORNING.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH EARLY 
  MONDAY AFTERNOON. 

* IMPACTS...UNTREATED ROADS WILL BE SNOW OR ICE COVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ012-041-042-045-046-049>053-058-211000-
/O.EXT.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
NORTHERN CLINTON-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
INCLUDING THE CITIES OF...RENOVO...LAPORTE...LOCK HAVEN...
WILLIAMSPORT...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...POTTSVILLE
850 PM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST MONDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST
MONDAY. 

* LOCATION...CENTRAL AND NORTH CENTRAL MOUNTAINS.

* PRECIPITATION TYPE...A MIX OF SNOW AND SLEET...AND A CHANCE OF
  FREEZING RAIN.

* ACCUMULATIONS...GENERALLY 3 TO 5 INCHES OF SNOW ALONG WITH ICE
  ACCUMULATIONS OF ONE TENTH OF AN INCH OR LESS.

* TIMING...SNOW WILL TURN TO A MIX OF SNOW AND SLEET LATER TONIGHT.
  SOME FREEZING RAIN COULD MIX IN BEFORE SUNRISE...THEN ALL THE
  MIXED PRECIPITATION WILL TAPER OFF BY LATE MONDAY MORNING.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH MONDAY 
  AFTERNOON. 

* IMPACTS...SNOW COVERED AND SLIPPERY ROADS. ICE MAY COAT THE
  ROADS AROUND SUNRISE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ033>036-064>066-211000-
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1200Z/
SOMERSET-BEDFORD-FULTON-FRANKLIN-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...SOMERSET...BEDFORD...MCCONNELLSBURG...
CHAMBERSBURG...GETTYSBURG...YORK...LANCASTER
850 PM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY. 

* LOCATION...SOUTHERN PENNSYLVANIA...GENERALLY ALONG AND SOUTH OF
  THE TURNPIKE.

* PRECIPITATION TYPE...A BRIEF PERIOD OF SNOW AND SLEET FOLLOWED
  BY FREEZING RAIN...THEN PLAIN RAIN.

* ACCUMULATIONS...GENERALLY AN INCH OR TWO OF SNOW AND
  SLEET...FOLLOWED BY A LIGHT COATING OF FREEZING RAIN.

* TIMING...SNOW AND SLEET WILL TURN TO FREEZING RAIN EARLY
  TONIGHT...THEN GRADUALLY TURN TO PLAIN RAIN BY SUNRISE.

* WINDS...SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE NORTH EARLY 
  MONDAY AFTERNOON. 

* IMPACTS...SNOW COVERED ROADS BECOMING SLUSHY OR ICY LATER
  TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

DANGELO/CERU
453 
WWUS41 KCTP 211006
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
506 AM EST MON FEB 21 2011

.ONE STORM SYSTEM...BRINGING SNOW AND ICE TO NORTHERN
PENNSYLVANIA THIS MORNING...WILL PUSH EAST OF THE STATE THIS MORNING.
ANOTHER STORM WILL TRACK SOUTH OF THE COMMONWEALTH TONIGHT...BRINGING
A PERIOD OF ACCUMULATING SNOW TO SOUTHERN PENNSYLVANIA.

PAZ033-211815-
/O.CAN.KCTP.WW.Y.0011.000000T0000Z-110221T1200Z/
/O.NEW.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
SOMERSET-
INCLUDING THE CITY OF...SOMERSET
506 AM EST MON FEB 21 2011

...WINTER STORM WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

* LOCATION...SOMERSET COUNTY. 

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...UP TO 6 INCHES POSSIBLE. 

* TIMING...RAIN WILL LIKELY REDEVELOP OVER THE REGION LATE THIS
  AFTERNOON...THEN TURN TO SNOW THIS EVENING. THE SNOW COULD FALL
  HEAVILY FOR A TIME TONIGHT...THEN TAPER OFF BY AROUND DAWN
  TUESDAY. 

* WINDS...NORTHEAST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND
AT...WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ041-042-211500-
/O.UPG.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
/O.EXB.KCTP.WS.W.0005.000000T0000Z-110221T1500Z/
NORTHERN LYCOMING-SULLIVAN-
INCLUDING THE CITY OF...LAPORTE
506 AM EST MON FEB 21 2011

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 10 AM EST THIS
MORNING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATION...NORTH CENTRAL PENNSYLVANIA.

* PRECIPITATION TYPE...SNOW. 

* ACCUMULATIONS...6 TO 12 INCHES.

* TIMING...THE SNOW WILL TAPER OFF ACROSS MOST OF THE AREA BETWEEN
  7 AND 9 AM. 

* WINDS...NORTHEAST AROUND 5 MPH.

* IMPACTS...SNOW COVERED AND SLIPPERY ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS A SIGNIFICANT AMOUNT
OF SNOW IS FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKET AND A CELLULAR
PHONE IN YOUR VEHICLE IN CASE OF AN EMERGENCY. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND
AT...WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ004>006-010-011-037-211500-
/O.EXT.KCTP.WS.W.0005.000000T0000Z-110221T1500Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-TIOGA-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...MANSFIELD...WELLSBORO
506 AM EST MON FEB 21 2011

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* LOCATION...NORTHERN PENNSYLVANIA.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...6 TO 12 INCHES.

* TIMING...SNOW WILL TAPER OFF ACROSS MOST OF THE AREA BETWEEN 7
  AND 9 AM. 

* WINDS...NORTHEAST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED AND SLIPPERY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS A SIGNIFICANT AMOUNT
OF SNOW IS FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKET AND A CELLULAR
PHONE IN YOUR VEHICLE IN CASE OF AN EMERGENCY. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ056-057-059-063-211200-
/O.EXT.KCTP.WW.Y.0011.000000T0000Z-110221T1200Z/
PERRY-DAUPHIN-LEBANON-CUMBERLAND-
INCLUDING THE CITIES OF...NEWPORT...HARRISBURG...HERSHEY...
LEBANON...CARLISLE
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM EST THIS
MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 7 AM EST THIS
MORNING. 

* LOCATION...THE LOWER SUSQUEHANNA VALLEY. 

* PRECIPITATION TYPE...FREEZING RAIN. 

* ACCUMULATIONS...A LIGHT GLAZE IS POSSIBLE ON UNTREATED ROAD
  SURFACES. 

* TIMING...ALTHOUGH MOST OF THE PRECIPITATION HAS CHANGED TO
  RAIN...SOME SPOTS REMAIN NEAR THE FREEZING MARK EARLY THIS
  MORNING. ALL LOCATIONS SHOULD RISE ABOVE FREEZING BY 7 AM. 

* IMPACTS...SOME UNTREATED ROADS COULD BE ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

USE CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY
CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP
FIRST. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN
ALSO BE FOUND AT... WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ034>036-211815-
/O.NEW.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1200Z/
BEDFORD-FULTON-FRANKLIN-
INCLUDING THE CITIES OF...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...
...WINTER STORM WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 7 AM EST THIS MORNING. 

* LOCATION...SOUTH CENTRAL PENNSYLVANIA.

* PRECIPITATION TYPE...PATCHY FREEZING RAIN WILL AFFECT PARTS OF
  THE AREA EARLY THIS MORNING. ANOTHER STORM SYSTEM WILL BRING
  SNOW TO THE AREA TONIGHT.

* ACCUMULATIONS...UP TO 6 INCHES OF SNOW IS POSSIBLE TONIGHT. 

* TIMING...ANY FREEZING RAIN WILL CHANGE TO PLAIN RAIN BY AROUND 7
  AM THIS MORNING. RAIN WILL REDEVELOP EARLY THIS EVENING...THEN
  TURN TO SNOW OVERNIGHT. THE SNOW COULD FALL HEAVILY FOR A WHILE
  TONIGHT...THEN TAPER OFF BY AROUND DAWN TUESDAY. 

* IMPACTS...PATCHY ICY SPOTS ARE POSSIBLE EARLY THIS MORNING. SNOW
  COVERED ROADS ARE LIKELY TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON
BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE
FOUND AT... WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ024-211815-
/O.NEW.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
CAMBRIA-
INCLUDING THE CITY OF...JOHNSTOWN
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...WINTER STORM WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 10 AM EST THIS MORNING. 

* LOCATION...CAMBRIA COUNTY. 

* PRECIPITATION TYPE...PATCHY FREEZING RAIN WILL AFFECT PARTS OF
  THE AREA EARLY THIS MORNING. ANOTHER STORM SYSTEM WILL BRING
  SNOW TO THE AREA TONIGHT.

* ACCUMULATIONS...UP TO 6 INCHES OF SNOW IS POSSIBLE TONIGHT. 

* TIMING...RAIN OR FREEZING RAIN WILL TAPER OFF BY LATE MORNING.
  RAIN WILL REDEVELOP LATE TODAY...THEN TURN TO SNOW THIS EVENING. THE
  SNOW COULD FALL HEAVILY FOR A WHILE TONIGHT...THEN TAPER OFF BY
  AROUND DAWN TUESDAY.

* IMPACTS...PATCHY ICY SPOTS ARE POSSIBLE EARLY THIS MORNING. SNOW
  COVERED ROADS ARE LIKELY TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON
BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE
FOUND AT... WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ064>066-211200-
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1200Z/
ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...GETTYSBURG...YORK...LANCASTER
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING. 

* LOCATION...SOUTHERN PENNSYLVANIA.

* PRECIPITATION TYPE...FREEZING RAIN. 

* ACCUMULATIONS...A LIGHT GLAZE IS POSSIBLE ON UNTREATED ROAD
  SURFACES. 

* TIMING...ALTHOUGH MOST OF THE PRECIPITATION HAS CHANGED TO
  RAIN...SOME SPOTS REMAIN NEAR THE FREEZING MARK EARLY THIS
  MORNING. ALL LOCATIONS SHOULD RISE ABOVE FREEZING BY 7 AM.

* IMPACTS...SOME UNTREATED ROADS COULD BE ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON
BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE
FOUND AT... WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ017>019-025>028-211500-
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-
INCLUDING THE CITIES OF...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* LOCATION...CENTRAL PENNSYLVANIA. 

* PRECIPITATION TYPE...A WINTRY MIX.

* ACCUMULATIONS...LITTLE IF ANY ADDITIONAL SNOW IS EXPECTED THIS
  MORNING. HOWEVER...A LIGHT GLAZE OF ICE IS POSSIBLE ON UNTREATED
  SURFACES. 

* TIMING...THE WINTRY MIX OF SNOW AND FREEZING RAIN WILL TAPPER
  OFF BY LATE MORNING. 

* IMPACTS...UNTREATED ROADS WILL BE SNOW OR ICE COVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON
BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE
FOUND AT... WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ012-045-046-049>053-058-211500-
/O.CON.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
NORTHERN CLINTON-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
INCLUDING THE CITIES OF...RENOVO...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...POTTSVILLE
506 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* LOCATION...THE MIDDLE SUSQUEHANNA VALLEY. 

* PRECIPITATION TYPE...SNOW MIXED WITH SOME FREEZING RAIN. 

* ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS THIS MORNING WILL
  BE AN INCH OR LESS. A LIGHT GLAZE OF ICE IS ALSO POSSIBLE ON
  UNTREATED SURFACES. 

* TIMING...THE WINTRY MIX WILL TAPER OFF BY LATE MORNING. 


* IMPACTS...SNOW COVERED AND SLIPPERY ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND
OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY TUNED TO
NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION
FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$
600 
WWUS41 KCTP 211510
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1010 AM EST MON FEB 21 2011

.ONE STORM SYSTEM...BRINGING SNOW AND ICE TO NORTHERN
PENNSYLVANIA THIS MORNING...WILL PUSH EAST OF THE STATE THIS
MORNING. ANOTHER STORM WILL TRACK SOUTH OF THE COMMONWEALTH
TONIGHT...BRINGING A PERIOD OF ACCUMULATING SNOW TO SOUTHERN
PENNSYLVANIA.

PAZ004>006-010-011-037-041-042-211615-
/O.EXP.KCTP.WS.W.0005.000000T0000Z-110221T1500Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-TIOGA-NORTHERN LYCOMING-SULLIVAN-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...MANSFIELD...WELLSBORO...LAPORTE
1010 AM EST MON FEB 21 2011

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 


$$

PAZ025-026-220300-
/O.EXP.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
/O.EXA.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
BLAIR-HUNTINGDON-
INCLUDING THE CITIES OF...ALTOONA...HUNTINGDON...MOUNT UNION
1010 AM EST MON FEB 21 2011

...WINTER STORM WATCH IN EFFECT FROM 5 PM EST THIS AFTERNOON
THROUGH TUESDAY MORNING...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM 5 PM EST THIS AFTERNOON
THROUGH TUESDAY MORNING. THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* LOCATION...BLAIR AND HUNTINGDON COUNTIES.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...3 TO 6 INCHES NORTH...RANGING TO 6 TO 9 INCHES SOUTH.

* TIMING...MIXED SNOW AND RAIN OVER THE REGION THIS AFTERNOON WILL
  CHANGE TO ALL SNOW THIS EVENING. THE SNOW COULD FALL HEAVILY
  FOR A TIME TONIGHT...THEN TAPER OFF BY AROUND DAWN TUESDAY.

* WINDS...NORTHEAST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED ROADS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO
BE FOUND AT...WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ024-220300-
/O.EXP.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
/O.CON.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
CAMBRIA-
INCLUDING THE CITY OF...JOHNSTOWN
1010 AM EST MON FEB 21 2011

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM EST THIS
AFTERNOON THROUGH TUESDAY MORNING...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A WINTER
STORM WATCH REMAINS IN EFFECT FROM 5 PM EST THIS AFTERNOON
THROUGH TUESDAY MORNING. 

* LOCATION...CAMBRIA COUNTY.

* PRECIPITATION TYPE...MIXED RAIN AND SNOW OVER THE REGION THIS
  AFTERNOON WILL CHANGE TO ALL SNOW THIS EVENING.

* ACCUMULATIONS...6 TO 8 INCHES OF SNOW IS POSSIBLE TONIGHT.

* TIMING...MIXED RAIN AND SNOW OVER THE AREA THIS AFTERNOON WILL
  TURN TO ALL SNOW THIS EVENING. THE SNOW COULD FALL HEAVILY FOR
  A WHILE TONIGHT... THEN TAPER OFF BY AROUND DAWN TUESDAY.

* IMPACTS...SNOW COVERED ROADS ARE LIKELY TONIGHT.

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON
BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO
BE FOUND AT... WEATHER.GOV/STATECOLLEGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO
BE FOUND AT...WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ012-017>019-027-028-045-046-049>053-058-211615-
/O.EXP.KCTP.WW.Y.0011.000000T0000Z-110221T1500Z/
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-
MIFFLIN-JUNIATA-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...STATE COLLEGE...LEWISTOWN...MIFFLINTOWN...
LOCK HAVEN...WILLIAMSPORT...LEWISBURG...SELINSGROVE...DANVILLE...
SUNBURY...SHAMOKIN...BLOOMSBURG...POTTSVILLE
1010 AM EST MON FEB 21 2011

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 


$$

PAZ063>065-220300-
/O.EXA.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
CUMBERLAND-ADAMS-YORK-
INCLUDING THE CITIES OF...CARLISLE...GETTYSBURG...YORK
1010 AM EST MON FEB 21 2011

...WINTER STORM WATCH IN EFFECT FROM 5 PM EST THIS AFTERNOON
THROUGH TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM 5 PM EST THIS AFTERNOON
THROUGH TUESDAY MORNING. 

* LOCATION...CUMBERLAND...ADAMS AND YORK COUNTIES.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...UP TO 6 INCHES POSSIBLE.

* TIMING...MIXED RAIN AND SNOW WILL REDEVELOP OVER THE REGION MID
  TO LATE AFTERNOON...THEN TURN TO SNOW THIS EVENING. THE SNOW
  COULD FALL HEAVILY FOR A TIME TONIGHT...THEN TAPER OFF BY AROUND
  DAWN TUESDAY.

* WINDS...NORTHEAST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

PAZ033>036-220300-
/O.CON.KCTP.WS.A.0003.110221T2200Z-110222T1200Z/
SOMERSET-BEDFORD-FULTON-FRANKLIN-
INCLUDING THE CITIES OF...SOMERSET...BEDFORD...MCCONNELLSBURG...
CHAMBERSBURG
1010 AM EST MON FEB 21 2011

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM EST THIS
AFTERNOON THROUGH TUESDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM EST THIS
AFTERNOON THROUGH TUESDAY MORNING. 

* LOCATION...SOMERSET...BEDFORD...FULTON...AND FRANKLIN COUNTIES.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...6 TO 9 INCHES POSSIBLE.

* TIMING...MIXED RAIN AND SNOW OVER THE REGION THIS AFTERNOON WILL
  TURN TO ALL SNOW THIS EVENING. THE SNOW COULD FALL HEAVILY FOR A
  TIME TONIGHT...THEN TAPER OFF BY AROUND DAWN TUESDAY.

* WINDS...NORTHEAST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. STAY TUNED TO NOAA
WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR
THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT...
WEATHER.GOV/STATECOLLEGE.

&&

$$

DEVOIR

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 State College, PA wrote its last area forecast discussion before this winter storm warning went out at Feb 20, 11:02 AM EST, 3 hours 1 minute earlier.

Area forecast discussion, Feb 20, 11:02 AM EST, 3 hours 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1102 AM EST SUN FEB 20 2011

.SYNOPSIS...
A LOW PRESSURE SYSTEM APPROACHING FROM THE MIDWEST WILL TRACK
THROUGH CENTRAL PENNSYLVANIA TONIGHT AND EARLY MONDAY...BRINGING
SEVERAL INCHES OF SNOW TO THE NORTH AND MIXED SNOW AND SLEET TO
CENTRAL AREAS...ALONG WITH PATCHY FREEZING RAIN. ANOTHER SYSTEM WILL
PASS JUST TO THE SOUTH OF PENNSYLVANIA MONDAY NIGHT...BRINGING A
CHANCE FOR ADDITIONAL SIGNIFICANT WINTRY PRECIPITATION TO THE
COMMONWEALTH. HIGH PRESSURE WILL BUILD ACROSS THE REGION TUESDAY
WITH DRIER WEATHER HOLDING THROUGH MIDWEEK.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
HIGH CLOUDS INCREASING AS ANTICIPATED THIS MORNING ACROSS WESTERN
AND CENTRAL PA. CHANGES TO VERY NEAR TERM ARE FEW. MODERATE SNOW
EVENT UNFOLDING FOR NORTHERN PA TONIGHT AND WILL SERIOUSLY
CONSIDER UPGRADING CURRENT ADVISORIES TO WINTER STORM WARNINGS FOR
HEAVY SNOW NORTH OF I-80...AND PARTICULARLY ALONG AND NORTH OF
STATE HIGHWAY 6 GIVEN OVERNIGHT SREFS AND GEFS RUNS. ADDITIONAL
CHANGES MADE TO MONDAY NIGHT TIMEFRAME...WITH SHORTER RANGE
GUIDANCE SUGGESTING POTENTIAL FOR LOCALLY HEAVY SNOWFALL FURTHER
NORTH INTO CENTRAL PA MONDAY NIGHT.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH MONDAY NIGHT/...
BASED ON 20/03 AND 20/09 SREFS...SIGNIFICANTLY BUMPED UP POPS FOR
MONDAY NIGHT INTO TUESDAY INDICATING POTENTIAL FOR LIGHT TO
MODERATE SNOW ACCUMS OVER ESPECIALLY CENTRAL PA.

PREVIOUS DISCUSSION:
EXPECTED SFC LOW TRACK ACROSS SOUTHERN PA WILL PLACE AXIS OF
STRONGEST WAA/HEAVIEST PRECIP ACROSS NORTHERN PA TONIGHT. SREF
MEAN QPF RANGES FROM NR 1 INCH ACROSS THE NW MTNS...TO ARND 0.25
INCHES ACROSS THE S TIER. MDL SOUNDINGS INDICATE AN INITIAL PERIOD
OF SNOW EVERYWHERE. HOWEVER...WARM AIR STREAMING IN ALOFT WILL
LIKELY RESULT IN A QUICK CHANGEOVER TO MIXED PRECIP...THEN PLAIN
RAIN ACROSS SOUTHERN PA. POSITION OF ENSEMBLE MEAN 850MB 0C
ISOTHERM SUGGESTS EVEN NORTHERN PA WILL SEE A CHANGEOVER BY 06Z.
HOWEVER...ENOUGH LOW LVL COLD AIR SHOULD REMAIN LOCKED IN FROM
ARND I-80 NORTH TO KEEP PRECIP IN THE FORM OF IP/FZRA. HAVE USED
SREF PROBABILITY OF BLW FREEZING SFC TEMPS TO DELINEATE SOUTHERN
BOUNDARY OF WINT WX ADVISORY.

HAVE STUCK CLOSE TO WWD GRAPHIC IN TERMS OF SNOW/ICE ACCUMS. MOST
PROBABLE SNOW ACCUMS RANGE FROM 1-3 INCHES ALONG I-80...TO 3-5
INCHES ALONG THE NY BORDER. ICE ACCUMS ALSO APPEAR LIKELY TO
REMAIN BLW WARNING CRITERIA...GENERALLY BTWN ONE AND TWO TENTHS OF
AN INCH ACROSS THE CENTRAL AND NORTHERN MTNS.

LOW PRES WILL PASS EAST OF THE REGION BY MIDDAY MONDAY...CAUSING
LINGERING PRECIP TO TAPER OFF. HOWEVER...SECOND WAVE OF LOW PRES
IS FCST TO TRACK SOUTH OF PA MON NITE. GREATEST SNOW POTENTIAL
WITH THIS SYSTEM WILL BE ACROSS THE HIGHER TERRAIN OF SOMERSET
COUNTY. THERMAL PROFILES WILL INITIALLY BE MARGINAL FOR SNOW...ESP
OVER THE LOWER TERRAIN OF SOUTHERN PA. HOWEVER...HIGHER TERRAIN OF
SOMERSET COUNTY WILL FAVOR A FASTER CHANGE TO SNOW WITH THE
POTENTIAL OF SEVERAL INCHES ACCUM. TEMPS MONDAY COULD REACH THE
L50S ACROSS SOUTHERN PA. HOWEVER...NORTHERLY FLOW WILL ADVECT MUCH
COLD AIR SOUTHWARD BY LATE IN THE DAY.

&&

.LONG TERM /TUESDAY THROUGH SATURDAY/...
HIGH CONFIDENCE OF DRY WEATHER LATER TUE/WED...AS ALL MODEL DATA
TRACKING HIGH PRES ACROSS PA. NEXT WEATHER SYSTEM ARRIVES IN THE
THURSDAY/FRIDAY TIME FRAME AND LOOKS TO BRING MILDER AIR WITH
IT...SO PRECIPITATION LOOKS MORE LIKE RAIN AT THIS POINT.
PROGRESSIVE PATTERN CONTINUES BEYOND WITH ANOTHER SYSTEM POSSIBLE NEXT
WEEKEND.

&&

.AVIATION /15Z SUNDAY THROUGH THURSDAY/...
VFR CONDITIONS WITH JUST HIGH CLOUDS WILL BE THE RULE FOR MUCH OF TODAY
AS SURFACE RIDGE SLIDES THROUGH. NW WINDS WILL DIMINISH UNDER 10
KTS TODAY AND SWING AROUND TO THE SOUTH/SE LATER IN THE DAY.

DETERIORATING CONDITIONS AND WINTRY WEATHER ARRIVE LATE THIS
AFTERNOON/EARLY EVENING AS LOW SLIDES OUR WAY VIA THE OHIO VALLEY.
LIGHT SNOW AND MVFR CONDITIONS QUICKLY SPREAD FROM SW TO NE AROUND
00Z...WITH HEAVIER SNOW REDUCING VSBYS/CIGS FURTHER AT KBFD
THROUGH 06Z. WARMER AIR SLIDES IN FROM THE SW...CHANGING SNOW TO A
WINTRY MIX ELSEWHERE AS THE EVENING WEARS ON...AND IN JST
EVENTUALLY TO PLAIN RAIN. SO ICING WILL BE A CONCERN FOR AVIATION.
ALSO...LOW LEVEL WESTERLY JET WILL BE INCREASING LATE TONIGHT AS
WELL...SO ADDED WIND SHEAR BACK INTO THE KJST-KAOO TAF.

OUTLOOK...
SUN NIGHT...MVFR TO IFR. SNOW NORTH...WINTRY MIX SOUTH.
MON/TUE...IFR TO MVFR CIGS/VSBYS...WITH A FEW PERIODS OF
SNOW/MIXED PRECIP/ OR RAIN POSSIBLE.
WED-THU...NO SIG WX EXPECTED.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FROM 7 PM THIS EVENING TO NOON EST
MONDAY FOR PAZ004>006-010>012-017>019-037-041-042-045-046-
049>053-058.

&&

SYNOPSIS...FITZGERALD
NEAR TERM...DEVOIR/FITZGERALD
SHORT TERM...FITZGERALD
LONG TERM...ROSS/FITZGERALD
AVIATION...RXR
Hazardous weather outlook, Feb 20, 11:04 AM EST, 2 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1104 AM EST SUN FEB 20 2011

PAZ004>006-010>012-017>019-037-041-042-045-046-049>053-058-211615-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
1104 AM EST SUN FEB 20 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST MONDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

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

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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

   WINTER WEATHER ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ024>028-033>036-056-057-059-063>066-211615-
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
1104 AM EST SUN FEB 20 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

COLDER AIR WILL DROP SOUTHWARD ACROSS PENNSYLVANIA MONDAY
AFTERNOON AND EVENING. RAIN OR MIXED PRECIPITATION WILL REDEVELOP
ACROSS THE AREA MONDAY NIGHT AND CONTINUE INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 4:29 AM ESTWinter Weather AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more30 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2011Every winter storm warning in 2011

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.