Alert archive / Pennsylvania / Winter Storm Warnings in 2013

Winter Storm Warning 7, NWS State College, PA

December 6, 201310 counties in Pennsylvania

NWS State College, PA issued this winter storm warning at Dec 6, 2013, 10:26 AM EST for 10 counties in Pennsylvania. It took effect at Dec 6, 2013, 5:00 PM EST. It was in force for 7 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
Dec 6, 2013, 10:26 AM EST (15:26 UTC)
In effect from
Dec 6, 2013, 5:00 PM EST
Expired
Dec 7, 2013, 12:15 AM EST
In force
7 hr
Issued by
NWS State College, PA

Counties Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Tioga County, PA, Warren County, PA

The radar

The State College radar (KCCX), 59 km from the middle of the area, began a volume at 15:28 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, 3.4 hours before the alert went out and 172 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 2013-12-06Temperature 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 2013-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
1084 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
111 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 KCTP 061526
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1026 AM EST FRI DEC 6 2013

...WINTRY PRECIPITATION EXPECTED THIS AFTERNOON AND TONIGHT...

.A SLOW MOVING FRONT WILL BE THE FOCUS FOR SNOW...ICE AND HEAVY
SNOW OVER CENTRAL PENNSYLVANIA THIS EVENING AND OVERNIGHT...

PAZ004>006-010-011-070130-
/O.UPG.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
/O.NEW.KCTP.WS.W.0007.131206T2200Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM
1026 AM EST FRI DEC 6 2013

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* LOCATIONS...NORTH CENTRAL MOUNTAINS 

* HAZARD TYPES...HEAVY SNOW

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW.

* TIMING...THE HEAVIEST SNOW WILL FALL THIS EVENING AND OVERNIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE ON ROADS

* WINDS...NORTHWEST 5 TO 10 MPH.

* TEMPERATURES...IN THE UPPER 20S.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ012-017-018-037-041-070130-
/O.UPG.KCTP.WW.Y.0023.131206T1800Z-131207T1000Z/
/O.NEW.KCTP.WS.W.0007.131206T2200Z-131207T1000Z/
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-
INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
1026 AM EST FRI DEC 6 2013

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* LOCATIONS...CENTRAL MOUNTAINS

* HAZARD TYPES...HEAVY SNOW

* ACCUMULATIONS...5 TO 7 INCHES OF SNOW.

* TIMING...THE HEAVIEST SNOW WILL BE THIS EVENING AND OVERNIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE ON ROADS

* WINDS...NORTHWEST AROUND 5 MPH.

* TEMPERATURES...IN THE LOWER 30S.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ026>028-034-035-049>053-070130-
/O.EXA.KCTP.WW.Y.0023.131206T2200Z-131207T1000Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...LEWISBURG...
SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...BLOOMSBURG...
BERWICK
1026 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND FREEZING...WHICH IS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY.

* LOCATIONS...SOUTH CENTRAL MOUNTAINS AND MIDDLE SUSQUEHANNA

* HAZARD TYPES...WINTRY MIX WITH FREEZING RAIN

* ACCUMULATIONS...UP TO 1 INCH OF SNOW WITH SOME ICE ACCUMULATIONS.

* TIMING...LATER THIS EVENING AND OVERNIGHT

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS WITH ICE ON ROADS

* WINDS...NORTH AROUND 5 MPH.

* TEMPERATURES...IN THE MID 30S.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ042-070130-
/O.EXT.KCTP.WW.Y.0023.131206T2200Z-131207T1000Z/
SULLIVAN-
INCLUDING THE CITY OF...LAPORTE
1026 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM EST SATURDAY...

* LOCATIONS...NORTH CENTRAL PENNSYLVANIA.

* HAZARD TYPES...SLEET CHANGING TO SNOW.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW.

* TIMING...THE BULK OF THE PRECIPITATION WILL FALL BETWEEN EARLY 
  FRIDAY AFTERNOON AND MIDNIGHT. 

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ019-024-025-033-045-046-070130-
/O.CON.KCTP.WW.Y.0023.131206T2200Z-131207T1000Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LOCK HAVEN...WILLIAMSPORT
1026 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY...

* LOCATIONS...THE LAUREL HIGHLANDS AND CENTRAL MOUNTAINS.

* HAZARD TYPES...RAIN...CHANGING TO A WINTRY MIX OF SNOW...SLEET 
  AND FREEZING RAIN. 

* ACCUMULATIONS...UP TO 1 INCH OF SNOW.

* TIMING...RAIN WILL CHANGE TO A WINTRY MIX LATE THIS AFTERNOON.

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$
5 follow-up statements
000 
WWUS41 KCTP 061551
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1051 AM EST FRI DEC 6 2013

...WINTRY PRECIPITATION EXPECTED THIS AFTERNOON AND TONIGHT...

.A SLOW MOVING FRONT WILL BE THE FOCUS FOR ICE AND HEAVY SNOW
OVER CENTRAL PENNSYLVANIA THIS EVENING AND OVERNIGHT...

PAZ004>006-010>012-017-018-037-041-070200-
/O.CON.KCTP.WS.W.0007.131206T2200Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
1051 AM EST FRI DEC 6 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY...

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...THE HEAVIEST SNOW WILL BE THIS EVENING AND OVERNIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE COVERED
  ROADS.

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ019-024>028-033>035-042-045-046-049>053-070200-
/O.CON.KCTP.WW.Y.0023.131206T2200Z-131207T1000Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-
BEDFORD-FULTON-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...SOMERSET...
BEDFORD...MCCONNELLSBURG...LAPORTE...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK
1051 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM EST SATURDAY...

* LOCATIONS...LAUREL HIGHLANDS AND CENTRAL MOUNTAINS.

* HAZARD TYPES...WINTRY MIX. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES NEAR INTERSTATE 80 WITH 1 TO
  2 INCHES SOUTH OF ROUTE 22.

* ICE ACCUMULATIONS...LESS THAN 0.10 OF AN INCH. 

* TIMING...RAIN WILL CHANGE TO A WINTRY MIX LATE THIS AFTERNOON
  AND EVENING AND CONTINUE OVERNIGHT.

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$
000 
WWUS41 KCTP 061937
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
237 PM EST FRI DEC 6 2013

...WINTRY PRECIPITATION EXPECTED THIS EVENING AND TONIGHT...

.A SLOW MOVING FRONT WILL BE THE FOCUS FOR HEAVY SNOW AND ICE
ACROSS CENTRAL PENNSYLVANIA THIS EVENING AND OVERNIGHT...

PAZ004>006-010>012-017-018-037-041-070545-
/O.CON.KCTP.WS.W.0007.131206T2200Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
237 PM EST FRI DEC 6 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...THE HEAVIEST SNOW WILL BE THIS EVENING AND OVERNIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE 
  COVERED ROADS. 

* TEMPERATURES...DROPPING THROUGH THE 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ019-024>028-033>035-042-045-046-049>053-070545-
/O.CON.KCTP.WW.Y.0023.131206T2200Z-131207T1000Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-
BEDFORD-FULTON-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...SOMERSET...
BEDFORD...MCCONNELLSBURG...LAPORTE...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK
237 PM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...LAUREL HIGHLANDS AND CENTRAL MOUNTAINS.

* HAZARD TYPES...WINTRY MIX.

* SNOW ACCUMULATIONS...2 TO 4 INCHES NEAR INTERSTATE 80 WITH 1 
  TO 2 INCHES SOUTH OF ROUTE 22. 

* ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH.

* TIMING...RAIN WILL CHANGE TO A WINTRY MIX LATE THIS AFTERNOON 
  AND EVENING AND CONTINUE OVERNIGHT. 

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS. POSSIBLE POWER
  OUTAGES DUE TO DOWNED TREES AND POWER LINES.

* TEMPERATURES...IN THE LOWER 30S...DROPPING INTO THE 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$
000 
WWUS41 KCTP 062354
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
654 PM EST FRI DEC 6 2013

...WINTRY PRECIPITATION EXPECTED THIS EVENING AND TONIGHT...

.A WAVE OF LOW PRESSURE RIDING NORTHEAST ALONG A SLOW MOVING FRONT
WILL BE THE FOCUS FOR HEAVY SNOW ACROSS THE NORTHERN AND WESTERN
MOUNTAINS OF THE STATE...WITH A MIXED BAG OF SNOW...SLEET...AND
FREEZING RAIN THROUGHOUT THE SOUTH-CENTRAL MOUNTAINS AND MIDDLE
SUSQUEHANNA VALLEY INTO VERY EARLY SATURDAY...

PAZ004>006-010>012-017-018-037-041-071000-
/O.CON.KCTP.WS.W.0007.000000T0000Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
654 PM EST FRI DEC 6 2013

...A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM THIS EVENING
  AND 2 AM SATURDAY.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE 
  COVERED ROADS. 

* TEMPERATURES...DROPPING THROUGH THE 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ036-056>058-063-071000-
/O.EXB.KCTP.WW.Y.0023.131207T0300Z-131207T1000Z/
FRANKLIN-PERRY-DAUPHIN-SCHUYLKILL-CUMBERLAND-
INCLUDING THE CITIES OF...CHAMBERSBURG...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...CARLISLE
654 PM EST FRI DEC 6 2013

...A WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
5 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT
FROM 10 PM THIS EVENING TO 5 AM EST SATURDAY.

* LOCATIONS...PORTIONS OF THE LOWER SUSQUEHANNA VALLEY AND EAST
  CENTRAL MOUNTAINS.

* HAZARD TYPES...SLEET AND FREEZING RAIN...ENDING AS A FEW HOUR
  PERIOD OF WET SNOW.

* ICE ACCUMULATIONS...1 TO 2 TENTHS OF AN INCH...NEAR AND TO THE
  NORTH OF INTERSTATE 81.

* SNOW ACCUMULATIONS...ONE INCH OR LESS.

* TIMING...RAIN WILL CHANCE TO A SEVERAL HOUR PERIOD OF SLEET AND
  FREEING RAIN LATE THIS EVENING...BEFORE ENDING AS A BRIEF PERIOD
  OF WET SNOW WELL AFTER MIDNIGHT.

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS. ISOLATED POWER
  OUTAGES POSSIBLE DUE TO DOWNED TREE LIMBS AND POWER LINES.

* TEMPERATURES...IN THE MID 30S...SLOWLY FALLING TO NEAR 30 EARLY
  SATURDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ019-024>028-033>035-042-045-046-049>053-071000-
/O.CON.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-
BEDFORD-FULTON-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...SOMERSET...
BEDFORD...MCCONNELLSBURG...LAPORTE...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK
654 PM EST FRI DEC 6 2013

...A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...LAUREL HIGHLANDS...CENTRAL MOUNTAINS AND MIDDLE
  SUSQUEHANNA RIVER VALLEY.

* HAZARD TYPES...WINTRY MIX...CHANGING TO MAINLY SNOW AFTER 
  10 PM.

* SNOW ACCUMULATIONS...2 TO 4 INCHES NEAR INTERSTATE 80 WITH 1 
  TO 2 INCHES SOUTH OF ROUTE 22. 

* ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH.

* TIMING...A WINTRY MIX OF SLEET AND WET SNOW WILL OCCUR THIS
  EVENING...WITH SOME FREEZING RAIN NEAR AND TO THE EAST OF THE
  INTERSTATE 99 AND ROUTE 220 CORRIDOR. THE PRECIPITATION WILL
  GRADUALLY CHANGE TO MAINLY WET SNOW AFTER 10 PM.

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS. ISOLATED POWER
  OUTAGES POSSIBLE DUE TO DOWNED TREES AND POWER LINES.

* TEMPERATURES...BETWEEN 32 AND 35...DROPPING INTO THE 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

LAMBERT/GARTNER
000 
WWUS41 KCTP 070214
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
914 PM EST FRI DEC 6 2013

...WINTRY PRECIPITATION EXPECTED TO FALL THROUGH MUCH OF
TONIGHT...

.A WAVE OF LOW PRESSURE RIDING NORTHEAST ALONG A SLOW MOVING
FRONT WILL BE THE FOCUS FOR HEAVY SNOW ACROSS THE NORTHERN AND
WESTERN MOUNTAINS OF THE STATE...WITH A MIXED BAG OF SNOW...
SLEET...AND FREEZING RAIN THROUGHOUT THE SOUTH-CENTRAL MOUNTAINS
AND MIDDLE SUSQUEHANNA VALLEY INTO VERY EARLY SATURDAY...

PAZ004>006-010-011-071000-
/O.CAN.KCTP.WS.W.0007.000000T0000Z-131207T1000Z/
/O.EXA.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM
914 PM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM EST
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...SNOW.

* SNOW ACCUMULATIONS...2 TO 5 INCHES. THE HIGHER AMOUNTS WILL FALL
  TO THE EAST OF ROUTE 219. 

* TIMING...THE STEADY SNOW WILL BECOME LIGHTER...AND MORE
  INTERMITTENT AFTER 2 AM SATURDAY.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE 
  COVERED ROADS. 

* TEMPERATURES...IN THE MID 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ012-017-018-037-041-071000-
/O.CON.KCTP.WS.W.0007.000000T0000Z-131207T1000Z/
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-
INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
914 PM EST FRI DEC 6 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...THE HEAVIEST SNOW WILL FALL LATE THIS EVENING UNTIL
  AROUND 2 AM SATURDAY.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW AND ICE 
  COVERED ROADS. 

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF PLANNING TO TRAVEL. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER
RADIO.

REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ019-024>028-033>035-042-045-046-049>053-071000-
/O.CON.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-
BEDFORD-FULTON-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...SOMERSET...
BEDFORD...MCCONNELLSBURG...LAPORTE...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK
914 PM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...LAUREL HIGHLANDS...CENTRAL MOUNTAINS AND MIDDLE 
  SUSQUEHANNA RIVER VALLEY. 

* HAZARD TYPES...WINTRY MIX...CHANGING TO MAINLY SNOW AFTER 10 
  PM. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES NEAR INTERSTATE 80 WITH 1 
  TO 2 INCHES SOUTH OF ROUTE 22. 

* ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH.

* TIMING...A WINTRY MIX OF SLEET AND WET SNOW WILL OCCUR THIS 
  EVENING...WITH SOME FREEZING RAIN NEAR AND TO THE EAST OF THE 
  INTERSTATE 99 AND ROUTE 220 CORRIDOR. THE PRECIPITATION WILL 
  GRADUALLY CHANGE TO MAINLY WET SNOW AFTER 10 PM. 

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS. ISOLATED POWER 
  OUTAGES POSSIBLE DUE TO DOWNED TREES AND POWER LINES. 

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ036-056>058-063-071000-
/O.CON.KCTP.WW.Y.0023.131207T0300Z-131207T1000Z/
FRANKLIN-PERRY-DAUPHIN-SCHUYLKILL-CUMBERLAND-
INCLUDING THE CITIES OF...CHAMBERSBURG...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...CARLISLE
914 PM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* LOCATIONS...PORTIONS OF THE LOWER SUSQUEHANNA VALLEY AND EAST 
  CENTRAL MOUNTAINS. 

* HAZARD TYPES...SLEET AND FREEZING RAIN...ENDING AS A FEW HOUR 
  PERIOD OF WET SNOW. 

* ICE ACCUMULATIONS...1 TO 2 TENTHS OF AN INCH...NEAR AND TO THE 
  NORTH OF INTERSTATE 81. 

* SNOW ACCUMULATIONS...ONE INCH OR LESS.

* TIMING...RAIN WILL CHANCE TO A SEVERAL HOUR PERIOD OF SLEET 
  AND FREEING RAIN LATE THIS EVENING...BEFORE ENDING AS A BRIEF 
  PERIOD OF WET SNOW WELL AFTER MIDNIGHT. 

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS. ISOLATED POWER 
  OUTAGES POSSIBLE DUE TO DOWNED TREE LIMBS AND POWER LINES. 

* TEMPERATURES...IN THE MID 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

LAMBERT
000 
WWUS41 KCTP 070515
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1215 AM EST SAT DEC 7 2013

PAZ012-017-018-037-041-071000-
/O.CAN.KCTP.WS.W.0007.000000T0000Z-131207T1000Z/
/O.EXA.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-
INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...MANSFIELD...WELLSBORO
1215 AM EST SAT DEC 7 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EST EARLY THIS
MORNING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...SNOW.

* SNOW ACCUMULATIONS...2 TO 4 INCHES.

* TIMING...PERIODS OF SNOW WILL CONTINUE OVERNIGHT. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS WITH SNOW COVERED ROADS.

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

PAZ004>006-010-011-019-024>028-033>036-042-045-046-049>053-
056>058-063-071000-
/O.CON.KCTP.WW.Y.0023.000000T0000Z-131207T1000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-SOUTHERN CENTRE-CAMBRIA-BLAIR-
HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-CUMBERLAND-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...STATE COLLEGE...JOHNSTOWN...
ALTOONA...HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...
SOMERSET...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...LAPORTE...
LOCK HAVEN...WILLIAMSPORT...LEWISBURG...SELINSGROVE...DANVILLE...
SUNBURY...SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...
HARRISBURG...HERSHEY...POTTSVILLE...CARLISLE
1215 AM EST SAT DEC 7 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* LOCATIONS...LAUREL HIGHLANDS...CENTRAL MOUNTAINS AND MIDDLE 
  SUSQUEHANNA RIVER VALLEY. 

* HAZARD TYPES...PERIODS OF SNOW WILL CONTINUE OVERNIGHT. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES NEAR INTERSTATE 80 WITH 1 
  TO 2 INCHES SOUTH OF ROUTE 22. 

* TIMING...PERIODS OF SNOW WILL CONTINUE OVERNIGHT. 

* IMPACTS...HAZARDOUS TRAVEL ON UNTREATED ROADS.  

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED. USE CAUTION IF
TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/CTP OR STAY TUNED TO NOAA WEATHER RADIO.

REPORT SNOW OR ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE
STATE COLLEGE BY SENDING AN EMAIL TO CTP.STORMREPORTS@NOAA.GOV...
POSTING TO THE NWS STATE COLLEGE FACEBOOK PAGE...OR TWEET
@NWSSTATECOLLEGE WITH THE HASHTAG #CTPWX.

&&

$$

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 Dec 6, 7:56 AM EST, 2 hours 30 minutes earlier.

Area forecast discussion, Dec 6, 7:56 AM EST, 2 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
756 AM EST FRI DEC 6 2013

.SYNOPSIS...
A SERIES OF LOW PRESSURE WAVES WILL TRACK NORTHEAST FROM THE
TENNESSEE VALLEY ACROSS THE MID-ATLANTIC STATES TODAY THROUGH
SATURDAY...BRINGING A CHANGEOVER TO MIXED AND FROZEN PRECIPITATION
TO THE AREA. HIGH PRESSURE WILL PROVIDE A BRIEF RESPITE IN THE
RECENTLY ACTIVE EARLY SEASON WINTER WEATHER PATTERN ON SATURDAY.
CONFIDENCE IS STEADILY INCREASING FOR A PERIOD OF FROZEN AND
FREEZING PRECIPITATION SUNDAY INTO EARLY MONDAY THAT SHOULD
EVENTUALLY CHANGE TO RAIN. AN ARCTIC FRONTAL PASSAGE EARLY NEXT
WEEK WILL DROP TEMPERATURES WELL BELOW NORMAL THROUGH NEXT
WEDNESDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
COLD FRONT IS NOW PRESSING SOUTHEASTWARD ACROSS THE SOUTH CENTRAL
MOUNTAINS AND MIDDLE TO LOWER SUSQUEHANNA RIVER VALLEY AS OF 350
AM. TEMPERATURES HAVE DROPPED TO THE LOWER 30S ACROSS THE
NORTHWEST MOUNTAINS WHERE OCCASIONAL -FZRA HAS BEEN REPORTED AT
KBFD (AT +1C?). TO THE WEST...PERIODS OF SNOW HAVE BEEN REPORTED
ALL NIGHT AT KERI AND KHZY. PRECIPITATION SHIELD IS BREAKING UP
WITH A LULL IN THE ACTIVITY EVIDENT AS THE FRONTAL WAVE PUSHES
OFFSHORE AND THE UPSTREAM WAVE LAGS TO THE SOUTH OVR THE CENTRAL
APPALACHIANS.

WHILE PRECIPITATION FROM THE UPSTREAM WAVE WONT BEGIN IN EARNEST
UNTIL THIS AFTERNOON...THE PATCHY FREEZING DRIZZLE ACROSS THE
NORTHWEST MOUNTAINS THIS MORNING NECESSITATES AN EARLIER START
TIME FOR THE WINTER WEATHER ADVISORY THERE. WILL RUN FROM THIS
MORNING INTO THE PREVIOUSLY ISSUED ADVISORY FOR THE AREA... WHICH
CONTINUES THROUGH SATURDAY MORNING.

FOR THE REMAINDER OF CENTRAL PA...THE COLDER AIR WILL SPREAD
SOUTHEASTWARD BUT AM NOT EXPECTING MUCH IN THE WAY OF FREEZING OR
FROZEN PRECIPITATION FOR MUCH OF THE DAY. ONSET OF STEADIER
PRECIPITATION THIS AFTERNOON AND EVENING WILL HELP CHANGEOVER TO
SLEET AND SNOW ACROSS MUCH OF THE LAURELS...AND THE CENTRAL AND
NORTHERN MOUNTAINS. WILL LIKELY EXPAND CURRENT ADVISORIES INTO THE
CENTRAL PA MOUNTAINS FOR SNOW AND SLEET ACCUMS LATE THIS AFTERNOON
AND EVENINGS AS OVERNIGHT GEFS AND SREF ARE DEPICT AVERAGE/MEDIAN
SNOW AND SLEET QPF IN THE .5 TO .65 RANGE. EVEN A 5 TO 1 RATIO
PUTS MOST OF THE AREA IN ADVISORY RANGE...SO THE EXPANSION WILL BE
WARRANTED. KEPT ALL PREVIOUS HEADLINES AS IS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/...
MODERATE PRECIPITATION SHIELD ASSOCIATED WITH THE LAST IN A SERIES
OF SFC WAVES RIPPLING ALONG THE FRONTAL ZONE WILL BRING A
WIDESPREAD WINTRY SHOT OF PRECIPITATION TO CENTRAL PA. NEAR TO
SHORT TERM GUIDANCE IS POINTING MORE TOWARDS SNOW AND SLEET WITH
THIS FEATURE LATE THIS AFTERNOON AND EVENING...WITH A FEW TO
SEVERAL INCHES OF SNOW AND SLEET LIKELY FOR MUCH OF CENTRAL PA
EXCLUDING SOUTHERN AND EASTERN PORTIONS OF THE SOUTH CENTRAL
MOUNTAINS AND THE MIDDLE TO LOWER SUSQ. PRECIP ACROSS THE MIDDLE
TO LOWER SUSQ MAY CHANGE TO SNOW BEFORE ENDING SATURDAY MORNING
WITH LIGHT IF ANY ACCUMS.

SIMILAR TO PREVIOUS MODEL RUNS...BLENDED MDL QPF SUPPORTS A 3-5
INCH SNOWFALL ACROSS THE N TIER. LATEST GUIDANCE SUGGESTS MORE
DRAMATIC CHANGEOVER BY THIS EVENING ACROSS THE CENTRAL COUNTIES
FOR ADVISORY CRITERIA SNOW/SLEET TO FALL. AS PREVIOUSLY MENTIONED...
WILL BE EXPAND WINTER WEATHER ADVISORIES AND UPDATE SNOWFALL MAPS
FOR THIS SHORTLY (BEFORE 6 AM FRI)

DEEPENING COLD AIR WILL ADVECT INTO THE STATE LATE TONIGHT WITH
LINGERING LIGHT SNOW/MIXED PRECIP TAPERING OFF BY 12Z SAT. WITH
COLD HIGH PRESSURE BUILDING EASTWARD ACROSS THE UPPER MIDWEST AND
NNW FLOW PREVAILING SATURDAY ACROSS CENTRAL PA...WILL SEE THE
TRADITIONAL POST FRONTAL STRATUS PERSIST ACROSS THE NORTH AND WEST...
WHILE FAR SOUTH AND SOUTHEASTERN AREAS ENJOY PARTIAL CLEARING AND
SUNBREAKS FOR MOST OF THE AFTERNOON.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
1040+ MB MODIFIED ARCTIC SFC HIGH PRESSURE OVER THE UPPER MIDWEST
SATURDAY WILL MIGRATE EASTWARD INTO THE NORTHERN MID-ATLANTIC
STATES BY SUNDAY MORNING...SETTING THE STAGE FOR WHAT APPEARS TO
BE A CLASSIC OVERRUNNING MIXED PRECIP EVENT FOR LATER SUNDAY INTO
MONDAY.

05/12Z DETERMINISTIC MODEL AND ENSEMBLE GUIDANCE SHOWS LOW PRES
INITIALLY DEVELOPING ALONG AN INVERTED SFC TROUGH AXIS EXTENDING
FROM THE LWR MS/TN VLY NEWD UP THE WEST-SIDE OF THE APPALACHIANS.
THE MAIN LOW SHOULD LIFT NWD THRU THE OH VLY/GRT LKS INTO SERN
CANADA ON DAYS 5-6. MEANWHILE A SECONDARY/WEAKER AREA OF LOW PRES
SHOULD FORM NEAR THE VA/NC COAST AND TRACK NNEWD JUST OFFSHORE SRN
NEW ENGLAND.

DOWNSTREAM FROM A VIGOROUS MID/UPPER LEVEL TROUGH DIGGING THROUGH
THE FOUR CORNERS/SRN ROCKIES...A SURGE OF INTENSE 850-700MB WARM
AIR/THETA E/MOISTURE ADVECTION WILL SPREAD QUICKLY NEWD BEHIND A
BROAD SWLY FLOW ALOFT AND OVERRUN A RETREATING COLD SECTOR
ASSOCIATED WITH THE RETREATING ARCTIC HIGH. THE SYNOPTIC PATTERN
LOOKS VERY CONDUCIVE FOR A PERIOD OF FREEZING-TO-FROZEN PCPN AS
MSTR AND STG WAA ALOFT FLOWS OVER THE TOP OF A SHALLOW SUB-FZG
AIRMASS THAT SHOULD REMAIN ENTRENCHED ALONG/E OF THE ALLEGHENIES
VIA LLVL COLD AIR DAMMING/SFC PRES CHANNELING...ENHANCED BY NELY
AGEO FLOW AND WET BULB EFFECTS. SFC-850MB TEMPS ARE FCST TO WARM
ENOUGH TO CHANGE FREEZING PTYPES TO PLAIN RAIN IN MOST AREAS
AROUND MON AFTN BEFORE THE ARCTIC COLD FRONT CROSSES THE REGION
MON NGT. THE 12Z GEFS MEAN SHOWS A HIGH PROBABILITY OF A FEW
INCHES OF SNOW/SLEET ON THE LEADING EDGE OF THE PRECIP SHIELD
FOLLOWED BY POTENTIAL SIGNIFICANT ICE ACCUMS ESPECIALLY FROM THE
LAURELS/SCNTRL MTNS INTO THE INTERIOR N-CNTRL PART OF THE CWA.
WILL CONTINUE TO HIGHLIGHT THIS SYSTEM IN THE HWO BUT CONFIDENCE
IS INCREASING IN AT LEAST AN ADVISORY TYPE EVENT...IF NOT WARNING
ASSUMING MOD-HVY ICING VIA FZRA.

IN THE WAKE OF THIS SYSTEM...A VERY COLD PATTERN SHOULD GRIP THE
REGION THRU THE MIDDLE OF NEXT WEEK WITH TEMPERATURES WELL BELOW
NORMAL. SOME LAKE EFFECT SNOW SHOWERS ARE POSSIBLE IN THE COLD
CYC FLOW ALOFT ALTHOUGH THE LLVL WINDS MAY HAVE TOO MUCH OF A SW
COMPNT WHICH WOULD ORIENT BANDS MORE ALONG THE LAKE ERIE SHORE
INTO SW NY.

&&

.AVIATION /12Z FRIDAY THROUGH TUESDAY/...

SHOWERS CONTINUE TO STREAM ACROSS SOUTHERN AND CENTRAL PA WITH
LIGHT MIXED PRECIPITATION OVER JST AND BFD. THIS STEADY WAVE OF
RAIN MOVING THROUGH CENTRAL PA AND THE LOWER SUSQ WILL CONTINUE THROUGH
THE MORNING. CIGS FOR MOST TAF SITES HAVE LIFTED TO MVFR...AND
WILL REMAIN AROUND MVFR THROUGH THE MORNING AND EARLY AFTERNOON.
JST CURRENTLY HAS LIFR CIGS AND WILL SEE THESE CONTINUE THROUGH
THE MORNING AND EARLY AFTERNOON BEFORE SLIGHTLY LIFTING. THESE
WILL BE MVFR AND LOWER THROUGH TONIGHT. EXPECT THE MIXED
PRECIPITATION TO SWITCH TO RAIN THROUGH THE AFTERNOON HOURS
BEFORE SWITCHING TO A WINTRY MIX LATE THIS AFTERNOON AND SWITCHING
TO SNOW TONIGHT. EXPECT IFR CIGS AND VSBYS TO CONTINUE TONIGHT
INTO EARLY TOMORROW. MOST TAF SITES SHOULD BEGIN TO CLEAR EARLY
TOMORROW MORNING.

OUTLOOK...

FRI...MVFR IN RAIN SE. IFR IN SNOW/WINTRY MIX NW.

SAT...MVFR SNOW SHOWERS IN THE MOUNTAINS. VFR IN CENTRAL/EASTERN
AREAS.

SUN...REDUCTIONS DEVELOPING WITH APPROACHING STORM THAT WILL BRING
A WINTRY MIX SPREADING SOUTH TO NORTH INTO SUN NIGHT.

MON...WIDESPREAD MVFR/IFR ASSOCIATED WITH A PASSING COLD FRONT.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 5 AM EST SATURDAY FOR PAZ004>006-
010-011.
WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 5 AM EST
SATURDAY FOR PAZ012-017-018-037-041-042.
WINTER WEATHER ADVISORY FROM 5 PM THIS AFTERNOON TO 5 AM EST
SATURDAY FOR PAZ019-024-025-033-045-046.

&&

SYNOPSIS...DEVOIR
NEAR TERM...DEVOIR
SHORT TERM...DEVOIR/LA CORTE/STEINBUGL
LONG TERM...STEINBUGL
AVIATION...CERU/GARTNER
Hazardous weather outlook, Dec 6, 4:43 AM EST, 5 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
443 AM EST FRI DEC 6 2013

PAZ026>028-034-049>053-058-070945-
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
443 AM EST FRI DEC 6 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

RAIN WILL CHANGE TO A WINTRY MIX THIS AFTERNOON AND EVENING...
THEN TAPER OFF AROUND MIDNIGHT. A LIGHT ACCUMULATION OF SNOW IS
POSSIBLE AND COULD POTENTIALLY CREATE SLIPPERY ROADS THIS EVENING.

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

ANOTHER PERIOD OF MIXED WINTRY PRECIPITATION IS LIKELY SUNDAY
INTO MONDAY...WITH LIGHT TO MODERATE SNOW AND ICE ACCUMULATIONS
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ019-025-045-046-070945-
SOUTHERN CENTRE-BLAIR-SOUTHERN CLINTON-SOUTHERN LYCOMING-
443 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM EST SATURDAY...

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.

RAIN WILL CHANGE TO A WINTRY MIX THIS AFTERNOON AND EVENING...
THEN TAPER OFF AROUND MIDNIGHT. A LIGHT ACCUMULATION OF SNOW IS
POSSIBLE AND COULD POTENTIALLY CREATE SLIPPERY ROADS THIS EVENING.

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

ANOTHER PERIOD OF MIXED WINTRY PRECIPITATION IS LIKELY SUNDAY
INTO MONDAY...WITH LIGHT TO MODERATE SNOW AND ICE ACCUMULATIONS
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ035-036-056-057-059-063>066-070945-
FULTON-FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-
LANCASTER-
443 AM EST FRI DEC 6 2013

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...SATURDAY THROUGH THURSDAY.

A STORM SYSTEM TRACKING WEST OF PENNSYLVANIA COULD SPREAD A WINTRY
MIX ACROSS THE AREA LATE SUNDAY OR SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ012-017-018-037-041-042-070945-
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-
SULLIVAN-
443 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
5 AM EST SATURDAY...

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...SATURDAY THROUGH THURSDAY.

ANOTHER PERIOD OF MIXED WINTRY PRECIPITATION IS LIKELY SUNDAY
INTO MONDAY...WITH LIGHT TO MODERATE SNOW AND ICE ACCUMULATIONS
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ004>006-010-011-070945-
WARREN-MCKEAN-POTTER-ELK-CAMERON-
443 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY...

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...SATURDAY THROUGH THURSDAY.

ANOTHER PERIOD OF MIXED WINTRY PRECIPITATION IS LIKELY SUNDAY
INTO MONDAY...WITH LIGHT TO MODERATE SNOW AND ICE ACCUMULATIONS
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ024-033-070945-
CAMBRIA-SOMERSET-
443 AM EST FRI DEC 6 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM EST SATURDAY...

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...SATURDAY THROUGH THURSDAY.

ANOTHER PERIOD OF MIXED WINTRY PRECIPITATION IS LIKELY SUNDAY
INTO MONDAY...WITH LIGHT TO MODERATE SNOW AND ICE ACCUMULATIONS
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEVOIR

Nearby

Winter Storm Warnings in Pennsylvania, 2013Every winter storm warning in 2013

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.