Alert archive / Pennsylvania / Winter Storm Warnings in 2012

Winter Storm Warning 1, NWS State College, PA

January 2, 2012Cambria County, Somerset County, Pennsylvania

NWS State College, PA issued this winter storm warning at Jan 2, 2012, 10:24 PM EST for Cambria County, Somerset County, Pennsylvania. It was in force for 21 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 2, 2012, 10:24 PM EST (03:24 UTC)
Expired
Jan 3, 2012, 7:00 PM EST
In force
21 hr
Issued by
NWS State College, PA

Counties Cambria County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 106 km from the middle of the area, began a volume at 03:24 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 00:00Z, 3.4 hours before the alert went out and 106 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 00:00Z on 2012-01-03Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.19395878Sfc1 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
873 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
97 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.

420 
WWUS41 KCTP 030324
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1024 PM EST MON JAN 2 2012

.COLD AIR WILL CONTINUE TO RUSH ACROSS THE GREAT LAKES. THE GUSTY
WEST TO NORTHWEST WINDS WILL CAUSE LAKE EFFECT AND LAKE ENHANCED
SNOW FALL THROUGH TUESDAY EVENING.

PAZ024-033-031130-
/O.UPG.KCTP.WW.Y.0001.000000T0000Z-120104T0000Z/
/O.NEW.KCTP.WS.W.0001.120103T0324Z-120104T0000Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
1024 PM EST MON JAN 2 2012

...WINTER STORM WARNING IN EFFECT UNTIL 7 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 7 PM EST
TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...THE LAUREL MOUNTAINS OF CAMBRIA AND SOMERSET
  COUNTIES.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 4 TO 8 INCHES OF SNOW...WHICH WILL
  BRING TOTALS UP TO 6 TO 12 INCHES. HIGHER AMOUNTS WILL BE
  POSSIBLE ON THE WESTERN RIDGES.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...DANGEROUS DRIVING WITH LIMITED VISIBILITIES AND HEAVY
  ACCUMULATIONS OF SNOW. WIND GUSTS WILL FURTHER REDUCE
  VISIBILITIES DUE TO BLOWING SNOW AND MAKE IT DIFFICULT FOR CREWS
  TO KEEP THE ROADS CLEAR. WIND CHILLS WILL BE AROUND ZERO LATER
  TONIGHT AND TUESDAY MORNING.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER OF A MILE AT TIMES.

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.

&&

$$

PAZ004-005-031130-
/O.CON.KCTP.LE.W.0001.000000T0000Z-120104T0000Z/
WARREN-MCKEAN-
INCLUDING THE CITIES OF...WARREN...BRADFORD
1024 PM EST MON JAN 2 2012

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM EST
TUESDAY...

* LOCATIONS...THE NORTHWEST MOUNTAINS...ESPECIALLY THE SNOW BELT 
  AND AREAS WEST OF WARREN. 

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW. 

* ACCUMULATIONS...ANOTHER 4 TO 10 INCHES OF SNOW...WITH THE HIGHER
  AMOUNTS TO THE WEST OF WARREN. STORM TOTALS WILL END UP RANGING
  FROM AS LITTLE AS 6 INCHES TO OVER TWO FEET OF SNOW.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...LAKE EFFECT SNOW BANDS WILL CAUSE LIMITED VISIBILITIES
  AND DANGEROUS TRAVEL CONDITIONS. WIND GUSTS WILL FURTHER REDUCE
  VISIBILITIES DUE TO BLOWING SNOW. WIND CHILLS WILL DIP BELOW
  ZERO LATER TONIGHT AND TUESDAY MORNING.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE EFFECT SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF LAKE-
EFFECT SNOW ARE FORECAST THAT WILL MAKE TRAVEL HAZARDOUS. LAKE-
EFFECT SNOW TYPICALLY FALLS AS NARROW BANDS OF HEAVY SNOW WITHIN
A LARGER AREA OF LIGHTER SNOW. SNOWFALL RATES OF OVER AN INCH PER
HOUR ARE LIKELY UNDER THE HEAVIER BANDS. VISIBILITIES VARY
GREATLY AND CAN DROP TO ZERO WITHIN MINUTES. IF YOU MUST TRAVEL...
KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKETS 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.

&&

$$

PAZ006-010-011-017-031130-
/O.CON.KCTP.WW.Y.0001.000000T0000Z-120103T1700Z/
POTTER-ELK-CAMERON-CLEARFIELD-
INCLUDING THE CITIES OF...COUDERSPORT...ST. MARYS...RIDGWAY...
EMPORIUM...DUBOIS...CLEARFIELD
1024 PM EST MON JAN 2 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TUESDAY...

* LOCATIONS...THE NORTHERN AND WESTERN MOUNTAINS.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 2 TO 5 INCHES OF SNOW THIS SHOULD
  BRING TOTALS UP TO 4 TO 6 INCHES FOR THE ENTIRE STORM.

* TIMING...THROUGH MID DAY TUESDAY.

* IMPACTS...SNOW WILL REDUCE VISIBILITIES QUICKLY IN SQUALLS. 
  ROADS WILL BE SLIPPERY AND DIFFICULT TO KEEP CLEAR DUE TO 
  BLOWING SNOW. 

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN HALF OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION IF TRAVELING...ESPECIALLY IN OPEN
AREAS. 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
4 follow-up statements
613 
WWUS41 KCTP 030855
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
355 AM EST TUE JAN 3 2012

.COLD AIR WILL CONTINUE TO RUSH ACROSS THE GREAT LAKES. THE GUSTY
WEST TO NORTHWEST WINDS WILL CAUSE LAKE EFFECT AND LAKE ENHANCED
SNOW FALL THROUGH TUESDAY EVENING.

PAZ004-005-031700-
/O.CON.KCTP.LE.W.0001.000000T0000Z-120104T0000Z/
WARREN-MCKEAN-
INCLUDING THE CITIES OF...WARREN...BRADFORD
355 AM EST TUE JAN 3 2012

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE NORTHWEST MOUNTAINS...ESPECIALLY THE SNOW BELT
  TO THE WEST OF WARREN.

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW.

* ACCUMULATIONS...ANOTHER 2 TO 6 INCHES OF SNOW...WITH THE HIGHER
  AMOUNTS TO THE WEST OF WARREN. STORM TOTALS WILL END UP RANGING
  FROM AS LITTLE AS 6 INCHES OVER EASTERN MCKEAN COUNTY...TO OVER
  TWO FEET OF SNOW ACROSS THE SNOWBELT OF NORTHWEST WARREN COUNTY.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...MEANDERING LAKE EFFECT SNOW BANDS WILL CAUSE LIMITED 
  VISIBILITIES AND DANGEROUS TRAVEL CONDITIONS. WIND GUSTS WILL 
  FURTHER REDUCE VISIBILITIES DUE TO BLOWING SNOW. WIND CHILLS 
  WILL DIP BELOW ZERO LATER TONIGHT AND TUESDAY MORNING. 

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE EFFECT SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF LAKE-
EFFECT SNOW ARE FORECAST THAT WILL MAKE TRAVEL HAZARDOUS. LAKE-
EFFECT SNOW TYPICALLY FALLS AS NARROW BANDS OF HEAVY SNOW WITHIN
A LARGER AREA OF LIGHTER SNOW. SNOWFALL RATES OF OVER AN INCH PER
HOUR ARE LIKELY UNDER THE HEAVIER BANDS. VISIBILITIES VARY
GREATLY AND CAN DROP TO ZERO WITHIN MINUTES. IF YOU MUST TRAVEL...
KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKETS 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.

&&

$$

PAZ024-033-031700-
/O.CON.KCTP.WS.W.0001.000000T0000Z-120104T0000Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
355 AM EST TUE JAN 3 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE LAUREL MOUNTAINS OF CAMBRIA AND SOMERSET 
  COUNTIES. 

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF SNOW...WHICH WILL
  BRING TOTALS UP TO 6 TO 12 INCHES. HIGHER AMOUNTS WILL BE
  POSSIBLE ON THE RIDGES TO THE WEST OF ROUTE 219.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...DANGEROUS DRIVING WITH LIMITED VISIBILITIES AND 
  HEAVY ACCUMULATIONS OF SNOW. WIND GUSTS WILL FURTHER REDUCE 
  VISIBILITIES DUE TO BLOWING SNOW AND MAKE IT DIFFICULT FOR 
  CREWS TO KEEP THE ROADS CLEAR. WIND CHILLS WILL BE AROUND ZERO 
  LATER TONIGHT AND TUESDAY MORNING. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER OF A MILE AT TIMES.

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.

&&

$$

PAZ006-010-011-017-031700-
/O.CON.KCTP.WW.Y.0001.000000T0000Z-120103T1700Z/
POTTER-ELK-CAMERON-CLEARFIELD-
INCLUDING THE CITIES OF...COUDERSPORT...ST. MARYS...RIDGWAY...
EMPORIUM...DUBOIS...CLEARFIELD
355 AM EST TUE JAN 3 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

* LOCATIONS...THE NORTHERN AND WESTERN MOUNTAINS.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW THIS MORNING
  SHOULD BRING TOTALS UP TO 4 TO 6 INCHES FOR THE ENTIRE STORM.

* TIMING...THROUGH MID DAY TUESDAY.

* IMPACTS...SNOW WILL REDUCE VISIBILITIES QUICKLY IN SQUALLS. 
  ROADS WILL BE SLIPPERY AND DIFFICULT TO KEEP CLEAR DUE TO 
  BLOWING SNOW. 

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN HALF OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION IF TRAVELING...ESPECIALLY IN OPEN
AREAS. 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.

&&

$$

LAMBERT/RADZANOWSKI
459 
WWUS41 KCTP 031616
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1116 AM EST TUE JAN 3 2012

.COLD AIR WILL CONTINUE TO RUSH ACROSS THE GREAT LAKES. THE GUSTY
WEST TO NORTHWEST WINDS WILL CAUSE LAKE EFFECT AND LAKE ENHANCED
SNOW FALL THROUGH TUESDAY EVENING.

PAZ006-031730-
/O.CAN.KCTP.WW.Y.0001.000000T0000Z-120103T1700Z/
POTTER-
INCLUDING THE CITY OF...COUDERSPORT
1116 AM EST TUE JAN 3 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

SCATTERED SNOW SHOWERS AND FLURRIES WILL CROSS THE AREA THIS
AFTERNOON WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED.

$$

PAZ004-005-040000-
/O.CON.KCTP.LE.W.0001.000000T0000Z-120104T0000Z/
WARREN-MCKEAN-
INCLUDING THE CITIES OF...WARREN...BRADFORD
1116 AM EST TUE JAN 3 2012

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE NORTHWEST MOUNTAINS...ESPECIALLY THE SNOW BELT 
  TO THE WEST OF WARREN. 

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW.

* ACCUMULATIONS...ANOTHER 2 TO 4 INCHES OF SNOW...WITH THE HIGHER
  AMOUNTS TO THE WEST OF WARREN. STORM TOTALS WILL END UP RANGING
  FROM AS LITTLE AS 6 INCHES OVER EASTERN MCKEAN COUNTY...TO OVER
  TWO FEET OF SNOW ACROSS THE SNOWBELT OF NORTHWEST WARREN COUNTY.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...MEANDERING LAKE EFFECT SNOW BANDS WILL CAUSE LIMITED 
  VISIBILITIES AND DANGEROUS TRAVEL CONDITIONS. WIND GUSTS WILL 
  FURTHER REDUCE VISIBILITIES DUE TO BLOWING SNOW. WIND CHILLS 
  WILL DIP BELOW ZERO LATER TONIGHT AND TUESDAY MORNING. 

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE EFFECT SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF LAKE-
EFFECT SNOW ARE FORECAST THAT WILL MAKE TRAVEL HAZARDOUS. LAKE-
EFFECT SNOW TYPICALLY FALLS AS NARROW BANDS OF HEAVY SNOW WITHIN
A LARGER AREA OF LIGHTER SNOW. SNOWFALL RATES OF OVER AN INCH PER
HOUR ARE LIKELY UNDER THE HEAVIER BANDS. VISIBILITIES VARY
GREATLY AND CAN DROP TO ZERO WITHIN MINUTES. IF YOU MUST TRAVEL...
KEEP AN EXTRA FLASHLIGHT...FOOD...BLANKETS 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.

&&

$$

PAZ024-033-040000-
/O.CON.KCTP.WS.W.0001.000000T0000Z-120104T0000Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
1116 AM EST TUE JAN 3 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE LAUREL MOUNTAINS OF CAMBRIA AND SOMERSET 
  COUNTIES. 

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES OF SNOW...WHICH WILL
  BRING TOTALS UP TO 6 TO 12 INCHES. HIGHER AMOUNTS WILL BE
  POSSIBLE ON THE RIDGES TO THE WEST OF ROUTE 219.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...DANGEROUS DRIVING WITH LIMITED VISIBILITIES AND 
  HEAVY ACCUMULATIONS OF SNOW. WIND GUSTS WILL FURTHER REDUCE 
  VISIBILITIES DUE TO BLOWING SNOW AND MAKE IT DIFFICULT FOR 
  CREWS TO KEEP THE ROADS CLEAR. WIND CHILLS WILL BE AROUND ZERO 
  LATER TONIGHT AND TUESDAY MORNING. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER OF A MILE AT TIMES.

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.

&&

$$

PAZ010-011-017-040000-
/O.EXT.KCTP.WW.Y.0001.000000T0000Z-120104T0000Z/
ELK-CAMERON-CLEARFIELD-
INCLUDING THE CITIES OF...ST. MARYS...RIDGWAY...EMPORIUM...
DUBOIS...CLEARFIELD
1116 AM EST TUE JAN 3 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE NORTHERN AND WESTERN MOUNTAINS.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW WILL BRING
  BRING TOTALS UP TO 4 TO 6 INCHES FOR THE ENTIRE STORM.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...SNOW WILL REDUCE VISIBILITIES QUICKLY IN SQUALLS. 
  ROADS WILL BE SLIPPERY AND DIFFICULT TO KEEP CLEAR DUE TO 
  BLOWING SNOW. 

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN HALF OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION IF TRAVELING...ESPECIALLY IN OPEN
AREAS. 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
668 
WWUS41 KCTP 031937
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
237 PM EST TUE JAN 3 2012

.LAKE EFFECT SNOW EVENT IS COMING TO AN END. ALL HEADLINES HAVE
BEEN CANCELLED EXCEPT FOR WINTER STORM WARNING FOR THE LAUREL
HIGHLANDS...WHICH REMAINS IN EFFECT UNTIL 7 PM EST.

PAZ004-005-032045-
/O.CAN.KCTP.LE.W.0001.000000T0000Z-120104T0000Z/
WARREN-MCKEAN-
INCLUDING THE CITIES OF...WARREN...BRADFORD
237 PM EST TUE JAN 3 2012

...LAKE EFFECT SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
LAKE EFFECT SNOW WARNING. 

SCATTERED SNOW SHOWERS AND FLURRIES WILL CROSS THE AREA THROUGH
TONIGHT WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE THE LAKE
EFFECT SNOW WARNING HAS BEEN CANCELLED.

$$

PAZ010-011-017-032045-
/O.CAN.KCTP.WW.Y.0001.000000T0000Z-120104T0000Z/
ELK-CAMERON-CLEARFIELD-
INCLUDING THE CITIES OF...ST. MARYS...RIDGWAY...EMPORIUM...
DUBOIS...CLEARFIELD
237 PM EST TUE JAN 3 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

SCATTERED SNOW SHOWERS AND FLURRIES WILL CROSS THE AREA THROUGH
TONIGHT WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE THE WINTER
WEATHER ADVISORY HAS BEEN CANCELLED.

$$

PAZ024-033-040000-
/O.CON.KCTP.WS.W.0001.000000T0000Z-120104T0000Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
237 PM EST TUE JAN 3 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...THE LAUREL MOUNTAINS OF CAMBRIA AND SOMERSET 
  COUNTIES. 

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW...WHICH WILL
  BRING TOTALS UP TO 6 TO 12 INCHES. HIGHER AMOUNTS WILL BE
  POSSIBLE ON THE RIDGES TO THE WEST OF ROUTE 219.

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...DANGEROUS DRIVING WITH LIMITED VISIBILITIES AND 
  HEAVY ACCUMULATIONS OF SNOW. WIND GUSTS WILL FURTHER REDUCE 
  VISIBILITIES DUE TO BLOWING SNOW AND MAKE IT DIFFICULT FOR 
  CREWS TO KEEP THE ROADS CLEAR. WIND CHILLS WILL BE AROUND ZERO 
  LATER TONIGHT AND TUESDAY MORNING. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER OF A MILE AT TIMES.

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.

&&

$$

DEVOIR
422 
WWUS41 KCTP 032251
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
551 PM EST TUE JAN 3 2012

.A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION THIS
EVENING...BRINGING AN END TO THE LAKE EFFECT SNOW.

PAZ024-040000-
/O.CAN.KCTP.WS.W.0001.000000T0000Z-120104T0000Z/
CAMBRIA-
INCLUDING THE CITY OF...JOHNSTOWN
551 PM EST TUE JAN 3 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER STORM WARNING. 

SNOW SHOWERS WILL TAPER TO FLURRIES THIS EVENING WITH LITTLE IF
ANY ADDITIONAL ACCUMULATION. 

$$

PAZ033-040000-
/O.CON.KCTP.WS.W.0001.000000T0000Z-120104T0000Z/
SOMERSET-
INCLUDING THE CITY OF...SOMERSET
551 PM EST TUE JAN 3 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...SOMERSET COUNTY.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* TIMING...THIS EVENING.

* IMPACTS...DANGEROUS DRIVING WITH LIMITED VISIBILITIES. WIND
  GUSTS WILL FURTHER REDUCE VISIBILITIES DUE TO BLOWING SNOW AND
  MAKE IT DIFFICULT FOR CREWS TO KEEP THE ROADS CLEAR. WIND CHILLS
  WILL BE BETWEEN 5 AND 10 BELOW ZERO THIS EVENING. 

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER OF A MILE AT TIMES.

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.

&&

$$

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 Jan 2, 8:13 PM EST, 2 hours 11 minutes earlier.

Area forecast discussion, Jan 2, 8:13 PM EST, 2 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
813 PM EST MON JAN 2 2012

.SYNOPSIS...
THE COLDEST AIR SO FAR THIS SEASON WILL CONTINUE TO SWEEP ACROSS
THE EASTERN GREAT LAKES AND INTO PENNSYLVANIA THROUGH
WEDNESDAY. SCATTERED TO NUMEROUS LAKE EFFECT SNOW SHOWERS AND A
FEW HEAVIER SQUALLS WILL OCCUR ACROSS THE NORTHWEST MOUNTAINS AND
LAUREL HIGHLANDS. SNOW SHOWERS OF LESSER INTENSITY WILL REACH INTO
THE NORTHERN...CENTRAL AND SOUTH CENTRAL MOUNTAINS AS WELL. A
BRIEF WARM UP IS EXPECTED LATER THIS WEEK BEFORE ANOTHER SURGE OF
COLD AIR APPROACHES LATE NEXT WEEKEND. THE COLD AIR...WESTERLY
FLOW AND WARM LAKES COULD PRODUCE MORE LAKE EFFECT SNOW ACROSS
WESTERN PENNSYLVANIA LATE MONDAY INTO TUESDAY.

&&

.NEAR TERM /UNTIL 7 AM TUESDAY MORNING/...
HEAVY SNOW FALLING OUT OF THE SQUALLS...AND QUICK ACCUMULATIONS
NOW THAT THE SUN HAS GONE DOWN. REPORTS FROM PENN DOT AND LOCAL
LAW ENFORCEMENT ARE FORTHCOMING.

SNOW SQUALLS W-E ACROSS THE SRN TWO-THIRDS OF THE AREA AS CYCLONIC
FLOW STILL DOMINATES THERE. HOWEVER...THE BETTER-ALIGNED NWRLY
WINDS ARE NOW STARTING TO APPEAR OVER THE LAKE AND INTO NWRN PA.
THIS SHOULD TURN THE SNOW BANDS TO MOSTLY NW-SE. WITH A SHORT
FETCH...THE HEAVIEST SNOW SHOULD BE FAIRLY CLOSE TO THE LAKE...AND
WILL KEEP THE WARNING IN PLACE. ALSO...A BIT OF A HURON
CONNECTIONS IS BEGINNING AND IS FORECAST TO BECOME STRONGER/BETTER
OVERNIGHT AS A STRONG S/WV PUSHES ACROSS LK HURON AND WRN LK ERIE
LATER TONIGHT. MOST MDL FCST PUT THE BEST LLVL INSTAB AND LIFT IN
A WIDE CHANNEL FROM KCLE TO N OF KPIT TO KJST. IN THE PVA AHEAD
OF THE WAVE...THE LIFT WILL BE MAXIMIZED. THEREFORE...THE MOST-
INTENSE SNOW SHOULD OCCUR AFTER MIDNIGHT AND INTO THE FIRST PART
OF TUES.

TONIGHT AND TUESDAY WILL FEATURE THE COLDEST CONDITIONS OF THE
WINTER SO FAR AS ARCTIC AIR CONTINUES TO SPREAD SOUTHEASTWARD
ACROSS THE EASTERN GREAT LAKES. BY 12Z TUE...-20C 850 MB AIR WILL
BE POISED TO ENTER NORTHWEST PA. WINDS WILL BE LESS INTENSE THAN
THOSE FROM SUNDAY NIGHT AND MONDAY MORNING...BUT BRISK CONDITIONS
WILL PERSIST THROUGHOUT. WIND CHILLS WILL GO SLIGHTLY BELOW ZERO
FOR AT LEAST THE NRN MTS.

HAVE ADDED ABOUT ANOTHER INCH OR SO TO THE FCST. WITH THE
EFFICIENCY OF THE CURRENT ACCUMULATIONS TAKEN INTO ACCOUNT AND THE
EXPECTED INTENSIFICATION OF THE SNOW OVERNIGHT AND THE WINDS WHICH
ARE STILL GUSTY...HAVE EXPANDED THE WINT WX ADVY INTO THE NEXT
TIER OF COS INCL POTTER...ELK CAMERON AND CLEARFIELD. THE TOTALS
DO LOOK A LITTLE INFLATED IN THE LAURELS...SO WILL CONSIDER
UPPING THEM TO A WARNING IN THE NEAR FUTURE.

NEAR TERM WIND CHILLS WILL DIP BELOW ZERO IN SPOTS. NOT ADVY
WORTHY BUT NOTEWORTHY VS OUR RECENT TEMPS.

&&

.SHORT TERM /7 AM TUESDAY MORNING THROUGH WEDNESDAY/...
LAKE EFFECT SNOW CONTINUES. HAVE CHOSEN TO END THE ADVY IN THE
NEW SECTIONS A LITTLE EARLIER THAN THE OTHER FLAGS - AS THE
FORCING DOES NOT LOOK AS STRONG THERE AFTER LATE MORNING. THE
FETCH WILL BE SHORT AND THE INVERSION LOWERING. WILL KEEP ALL
OTHER FLAGS AS IS AND UP TOTAL AMOUNTS JUST A LITTLE THERE AS
WELL.

HIGH TEMPERATURES SHOULD STAY BELOW FREEZING AND MAY NOT GET OUT
OF THE TEENS IN PORTIONS OF THE WESTERN MOUNTAINS. 4KM SPC WRF AND
LCL HRR INDICATE GOOD LAKE HURON AND EVEN LAKE MICHIGAN CONNECTION
AT TIMES BETWEEN 00Z TUE AND 18Z TUE. THE COLD AIR COMBINED WITH
THE FLOW WILL PRODUCE OROGRAPHIC SNOW AREAS OF THE LAURELS ACTIVE
AND NORTHWESTERN AREAS ACTIVE WITH SNOW SHOWERS INTO TUESDAY
AFTERNOON. THE INVERSION WILL CONTINUE TO LOWER AND EVENTUALLY THE
FLOW BECOMES VERY UNFAVORABLE TUES EVENING. WILL HARDLY MENTION A
FLURRY PAST 00Z WED.

NEXT SYSTEM CLIPS IN LATE IN THE DAY WED...BUT CHC/SCT POPS ON
ORDER FOR NOW IN THE N/W AS IT MAY SKIRT US TO THE N.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
NOT A LOT OF CHANGE ON THE PACKAGE.

DID UP POPS SOME WED NIGHT...MAIN COLD CORE STAYS NORTH OF LOWER
LAKES...BUT NW FLOW OVER LAKES THAT ARE MUCH WARMER THAN NORMAL...
ABOUT 5 TO 10 DEGRES...AND UPSLOPE FLOW...MAY RESULT IN A FEW
FLURRIES...AND LIGHT SNOW SHOWERS WED NIGHT.

WENT WITH DRY FCST AFTER THIS...AS PA IS MAINLY BETWEEN NORTHERN
AND SOUTHERN WEATHER SYSTEMS.

A MODERATING TREND FOR THE WEEKEND.

&&

.AVIATION /01Z TUESDAY THROUGH SATURDAY/...
GUSTY WINDS CONTINUE TO DIMINISH HOWEVER THEY WILL REMAIN
PREVALENT ALONG THE ELEVATED REGIONS IN THE NW MTNS AND THE LAUREL
HIGHLANDS. . NUMEROUS LAKE EFFECT SNOW SHOWERS WILL CONTINUE
ACROSS THE NW MTNS /KBFD/ AND UPSLOPE SNOWS IN THE LAUREL
HIGHLANDS /KJST/ AND AT TIMES AOO. THERE IS A STRONG MULTI LAKE
CONNECTION THROUGH CAMBRIA COUNTY. A PROLONGED PERIOD OF MVFR-IFR
CIGS IS IN STORE FOR THESE AREAS...WITH SNOW SHOWER ACTIVITY
CONTINUING OVERNIGHT - BRINGING OCNL PERIODS OF IFR VSBY/CIGS TO
HIGHER TERRAIN OF THE N AND W. CENTRAL MTNS MAY SEE ISOLATED
IMPINGEMENT'S FROM SNOW BANDS...WHICH COULD LEAD TO SHORT- LIVED
MVFR CONDITIONS...MAINLY TONIGHT. THE SUSQ VALLEY WILL REMAIN VFR
THROUGH THE TAF PERIOD.

OUTLOOK...
TUE...OCNL MVFR IN -SN NW. OTHERWISE PRIMARILY VFR WITH ISOLD
MVFR IN -SHSN.
WED-SAT...PRIMARILY VFR.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
LAKE EFFECT SNOW WARNING UNTIL 7 PM EST TUESDAY FOR PAZ004-005.
WINTER WEATHER ADVISORY UNTIL NOON EST TUESDAY FOR PAZ006-010-
011-017.
WINTER WEATHER ADVISORY UNTIL 7 PM EST TUESDAY FOR PAZ024-033.

&&

SYNOPSIS...DANGELO
NEAR TERM...DANGELO
SHORT TERM...DANGELO/DEVOIR
LONG TERM...GRUMM/MARTIN
AVIATION...DEVOIR/CERU
Hazardous weather outlook, Jan 2, 7:53 PM EST, 2 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
753 PM EST MON JAN 2 2012

PAZ012-018-019-025>028-034-035-037-041-042-045-046-049>053-040100-
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-
753 PM EST MON JAN 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TONIGHT.

NUMEROUS LAKE EFFECT SNOW SHOWERS ARE EXPECTED THROUGH THE NIGHT.
VISIBILITIES CAN DROP SHARPLY IN HEAVIER SNOW SQUALLS...AND
CONDITIONS ON UNTREATED ROADS MAY QUICKLY DETERIORATE.
SNOW ACCUMULATIONS WILL BE MINOR BUT THE INTENSITY OF THE SNOW
MAY CREATE LOCAL PROBLEMS ON AREA ROADS. USE EXTRA CAUTION WHEN
DRIVING THROUGH A SNOW SQUALL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ADDITIONAL SNOW SHOWERS WILL PRODUCE LOW VISIBILITIES AT TIMES AND
COULD CREATE ROAD HAZARDS ON TUESDAY...MAINLY IN THE MORNING.
HOWEVER...ACCUMULATIONS WILL BE VERY MINOR. NO OTHER HAZARDOUS
WEATHER IS EXPECTED THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

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

PAZ006-010-011-017-040100-
POTTER-ELK-CAMERON-CLEARFIELD-
753 PM EST MON JAN 2 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...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...TUESDAY THROUGH SUNDAY.

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...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL WHEN THEY REACH
A TOTAL OF 3 INCHES...SIX INCHES AND THEN A STORM TOTAL AS THE
STORM ENDS.

PAZ024-033-040100-
CAMBRIA-SOMERSET-
753 PM EST MON JAN 2 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...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...TUESDAY THROUGH SUNDAY.

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...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL WHEN THEY REACH
A TOTAL OF 3 INCHES...SIX INCHES AND THEN A STORM TOTAL AS THE
STORM ENDS.

PAZ004-005-040100-
WARREN-MCKEAN-
753 PM EST MON JAN 2 2012

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 7 PM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TONIGHT.

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

   LAKE EFFECT SNOW WARNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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

   LAKE EFFECT SNOW WARNING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL WHEN THEY REACH
A TOTAL OF 3 INCHES...SIX INCHES AND THEN A STORM TOTAL AS THE
STORM ENDS.

PAZ036-056>059-063>066-040100-
FRANKLIN-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-
LANCASTER-
753 PM EST MON JAN 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Jan 2, 6:02 PM EST, 4 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
602 PM EST MON JAN 2 2012

PAZ017>019-045-022330-
CLEARFIELD PA-NORTHERN CENTRE PA-SOUTHERN CENTRE PA-
SOUTHERN CLINTON PA-
602 PM EST MON JAN 2 2012

...SNOW SQUALLS WILL AFFECT CENTRAL CENTRE...NORTHERN CLEARFIELD AND
SOUTHERN CLINTON COUNTIES...

AN AREA OF SNOW SQUALLS ALONG INTERSTATE 80 FROM CLEARFIELD TO LAMAR
WILL DROP SLOWLY TO THE SOUTH THROUGH 7 PM. THIS WILL KEEP THE SNOW
FALLING OVER I 80 FOR MOST OF THAT TIME.

SEVERAL ACCIDENTS HAVE ALREADY OCCURRED TODAY. DRIVERS SHOULD KEEP
AWARE THAT THERE WILL BE QUICK REDUCTIONS IN VISIBILITY WHEN DRIVING
THROUGH SNOW SQUALLS. THE ROADS CAN ALSO BECOME SLICK OR ICY IF NOT
TREATED RECENTLY. DRIVERS SHOULD USE EXTRA CAUTION WHEN DRIVING IN
SNOW.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THESE SNOW SQUALLS. THE SNOW
WILL RAPIDLY DROP VISIBILITIES IN THESE SNOW SQUALLS TO LESS THAN A
QUARTER OF A MILE.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-80 BETWEEN MILE MARKERS 97 AND 171...I-99 BETWEEN MILE MARKERS 76
AND 85.

LAT...LON 4120 7878 4121 7876 4121 7869 4122 7865
      4123 7865 4100 7739 4079 7763 4108 7881
      4113 7881

FORECASTER: DANGELO
Special weather statement, Jan 2, 6:46 PM EST, 3 hours 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
646 PM EST MON JAN 2 2012

PAZ024-025-030030-
BLAIR PA-CAMBRIA PA-
646 PM EST MON JAN 2 2012

...A SNOW SQUALL WILL AFFECT CENTRAL CAMBRIA AND SOUTHERN BLAIR
COUNTIES...

AT 641 PM EST...A SNOW SQUALL WAS LAYING WEST TO EAST ALONG ROUTE 22
IN CENTRAL CAMBRIA COUNTY AND INTO SOUTHERN BLAIR COUNTY JUST TO THE
SOUTH OF ALTOONA. THE SQUALL WILL MOVE SLOWLY TO THE SOUTH AND WILL
RAPIDLY DROP VISIBILITIES TO LESS THAN A QUARTER OF A MILE. THERE
WILL BE A QUICK INCH OR SO OF SNOW WHICH WILL ALSO MAKE DRIVING
HAZARDOUS...ESPECIALLY ON CRESSON MOUNTAIN.

THIS WILL IMPACT I-99 BETWEEN MILE MARKERS 18 AND 31. THIS SQUALL
WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22 FROM THE
INDIANA COUNTY LINE TO EAST OF HOLLIDAYSBURG...AND ROUTE 219 FROM
NEAR SOUTH FORK TO NEAR EBENSBURG.

BE ESPECIALLY CAUTIOUS IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL.

LAT...LON 4057 7887 4043 7817 4025 7829 4027 7835
      4030 7843 4029 7844 4041 7897

FORECASTER: DANGELO
Special weather statement, Jan 2, 7:30 PM EST, 2 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
730 PM EST MON JAN 2 2012

PAZ017-024>027-034>036-056-063-030100-
BEDFORD PA-BLAIR PA-CAMBRIA PA-CLEARFIELD PA-CUMBERLAND PA-
FRANKLIN PA-FULTON PA-HUNTINGDON PA-MIFFLIN PA-PERRY PA-
730 PM EST MON JAN 2 2012

...A SNOW SQUALL WILL AFFECT BLAIR...CAMBRIA...NORTHEASTERN
BEDFORD...NORTHEASTERN FULTON...NORTHERN FRANKLIN...SOUTHERN
HUNTINGDON...SOUTHWESTERN CLEARFIELD...SOUTHWESTERN MIFFLIN...
SOUTHWESTERN PERRY AND WEST CENTRAL CUMBERLAND COUNTIES...

AT 724 PM EST...A SNOW SQUALL WAS NEAR MARTINSBURG...MOVING SOUTHEAST
AT 30 MPH.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS SNOW SQUALL. THIS SNOW
SQUALL WILL AFFECT SHY BEAVER...BROAD TOP CITY AND SALTILLO.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 182 AND 212...I-81 BETWEEN
MILE MARKERS 22 AND 31...I-99 BETWEEN MILE MARKERS 14 AND 46.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE
22...ROUTE 22/522...ROUTE 219...ROUTE 220...ROUTE 422...ROUTE 522...
STATE ROAD 453.

BE ESPECIALLY CAUTIOUS IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL.

LAT...LON 4041 7897 4072 7881 4094 7881 4038 7775
      4027 7770 4032 7764 4015 7734 3996 7760

FORECASTER: CERU
Special weather statement, Jan 2, 9:37 PM EST, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
937 PM EST MON JAN 2 2012

PAZ012-019-045-046-049-052-030330-
NORTHERN CLINTON PA-NORTHUMBERLAND PA-SOUTHERN CENTRE PA-
SOUTHERN CLINTON PA-SOUTHERN LYCOMING PA-UNION PA-
937 PM EST MON JAN 2 2012

...A SNOW SQUALL WILL AFFECT CLINTON...EAST CENTRAL CENTRE...
NORTHWESTERN NORTHUMBERLAND...SOUTH CENTRAL LYCOMING AND UNION
COUNTIES...

AT 935 PM EST...A SNOW SQUALL WAS NEAR GLEN UNION...MOVING SOUTHEAST
AT 35 MPH.

THIS SNOW SQUALL WILL AFFECT MCELHATTAN...AVIS...CARROLL...SPRUCE RUN
RESERVOIR AND VICKSBURG.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 177 AND 216.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...STATE HIGHWAY
147...ROUTE 15...ROUTE 220...STATE ROAD 45...STATE ROAD 120.

BE ESPECIALLY CAUTIOUS IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL.

LAT...LON 4129 7743 4122 7734 4123 7729 4103 7676
      4099 7678 4089 7692 4087 7701 4086 7702
      4087 7708 4127 7794 4140 7773

FORECASTER: CERU
Special weather statement, Jan 2, 10:15 PM EST, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1015 PM EST MON JAN 2 2012

PAZ010>012-017>019-030415-
CAMERON PA-CLEARFIELD PA-ELK PA-NORTHERN CENTRE PA-
NORTHERN CLINTON PA-SOUTHERN CENTRE PA-
1015 PM EST MON JAN 2 2012

...A SNOW SQUALL WILL AFFECT CAMERON...CLEARFIELD...ELK...NORTHERN
CENTRE AND WEST CENTRAL CLINTON COUNTIES...

AT 1005 PM EST...A SNOW SQUALL WAS NEAR FORCE...MOVING SOUTHEAST AT
35 MPH.

THIS SNOW SQUALL WILL AFFECT BENEZETTE...DRIFTWOOD...KARTHAUS...PINE
GLEN...SNOW SHOE AND BALD EAGLE STATE PARK.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 98 AND 170.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 219...ROUTE
220...ROUTE 322...STATE ROAD 120...STATE ROAD 153...STATE ROAD 255...
STATE ROAD 350.

BE ESPECIALLY CAUTIOUS IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL.

LAT...LON 4110 7761 4109 7762 4106 7756 4105 7758
      4101 7755 4078 7853 4116 7879 4121 7876
      4120 7872 4122 7872 4127 7876 4133 7891
      4145 7899 4156 7820

FORECASTER: CERU

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 7:30 PM ESTSpecial Weather StatementCTPBlair, Cambria, Huntingdon30 min
Jan 2, 9:37 PM ESTSpecial Weather StatementCTPClinton, Union53 min
Jan 2, 10:15 PM ESTSpecial Weather StatementCTPCameron, Clearfield, Elk60 min
Jan 3, 3:45 AM ESTSpecial Weather StatementCTPClearfield45 min
Jan 3, 5:03 AM ESTSpecial Weather StatementCTPHuntingdon42 min
Jan 3, 6:49 AM ESTSpecial Weather StatementCTPCambria71 min
Jan 3, 7:49 AM ESTSpecial Weather StatementCTPBlair, Cambria56 min
Jan 3, 8:50 AM ESTSpecial Weather StatementCTPCambria55 min
Jan 3, 11:28 AM ESTSpecial Weather StatementCTPBlair, Clearfield, Huntingdon62 min
Jan 3, 12:38 PM ESTSpecial Weather StatementCTPClearfield67 min

Nearby

Winter Storm Warnings in Pennsylvania, 2012Every winter storm warning in 2012

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.