Alert archive / Pennsylvania / Winter Storm Warnings in 2015

Winter Storm Warning 1, NWS State College, PA

January 23, 201516 counties in Pennsylvania

NWS State College, PA issued this winter storm warning at Jan 23, 2015, 10:23 AM EST for 16 counties in Pennsylvania. It took effect at Jan 23, 2015, 7:00 PM EST. It was in force for 17 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 23, 2015, 10:23 AM EST (15:23 UTC)
In effect from
Jan 23, 2015, 7:00 PM EST
Expired
Jan 24, 2015, 11:52 AM EST
In force
17 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lebanon County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Union County, PA

The radar

The State College radar (KCCX), 82 km from the middle of the area, began a volume at 15:24 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.

What was reported inside it

TimeReportWhereRemark
Jan 23, 11:22 PM ESTSNOW 1.5Upper Strasburg, PA
Jan 24, 12:03 AM ESTSNOW 2.1Grantville, PA
Jan 24, 12:25 AM ESTSNOW 2.2Rockville, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 3.4 hours before the alert went out and 174 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, Washington/Dulle, VA at 12:00Z on 2015-01-23Temperature 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, Washington/Dulle, VA at 12:00Z on 2015-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939587897117136156Sfc1 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
1018 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-11 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.

880 
WWUS41 KCTP 231523
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1023 AM EST FRI JAN 23 2015

.A FAST MOVING STORM SYSTEM WILL TRACK UP THE EAST COAST...
BRINGING AN 8 TO 12 HOUR PERIOD OF MODERATE TO HEAVY SNOW TO THE
AREA TONIGHT AND EARLY SATURDAY.

PAZ026>028-034>036-049>053-056>059-063-240400-
/O.UPG.KCTP.WW.Y.0007.150124T0000Z-150124T1800Z/
/O.NEW.KCTP.WS.W.0001.150124T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
1023 AM EST FRI JAN 23 2015

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 1 PM
EST SATURDAY...

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 1 PM EST SATURDAY. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* LOCATIONS...THE SOUTH-CENTRAL MOUNTAINS...PORTIONS OF THE MIDDLE
  AND LOWER SUSQUEHANNA VALLEY...AND WESTERN POCONO MOUNTAINS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION THIS EVENING. THE SNOW
  WILL FALL HEAVY AT TIMES EARLY SATURDAY BEFORE TAPERING OFF LATE
  SATURDAY MORNING. THE SNOW COULD POTENTIALLY MIX WITH LIGHT RAIN
  OR FREEZING RAIN SATURDAY MORNING FROM AROUND THE HARRISBURG
  AND LEBANON AREA...SOUTH AND EASTWARD.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-042-045-046-240400-
/O.EXA.KCTP.WW.Y.0007.150124T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...LAPORTE...
LOCK HAVEN...WILLIAMSPORT
1023 AM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
1 PM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 1 PM EST SATURDAY.

* LOCATIONS...THE CENTRAL AND NORTH-CENTRAL MOUNTAINS OF
  PENNSYLVANIA.

* HAZARD TYPES...SNOW.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM THE SOUTHWEST LATE
  THIS EVENING. THE SNOW WILL TAPER OFF LATE SATURDAY MORNING.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ025-033-064>066-240400-
/O.CON.KCTP.WW.Y.0007.150124T0000Z-150124T1800Z/
BLAIR-SOMERSET-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...ALTOONA...SOMERSET...GETTYSBURG...
YORK...LANCASTER
1023 AM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 1 PM EST SATURDAY...

* LOCATIONS...THE SOUTHEAST HALF OF PENNSYLVANIA.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES...ALONG WITH
  AROUND A TRACE OF ICE ACROSS PORTIONS OF THE LOWER SUSQUEHANNA
  VALLEY.

* TIMING...SNOW WILL OVERSPREAD THE REGION THIS EVENING. THE SNOW
  WILL TAPER OFF LATE SATURDAY MORNING. THE SNOW COULD POTENTIALLY
  MIX WITH OR CHANGE TO RAIN OR FREEZING RAIN EARLY SATURDAY
  MORNING FROM YORK AND LANCASTER...SOUTH AND EASTWARD.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO 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/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

LAMBERT/GRUMM/GARTNER
6 follow-up statements
767 
WWUS41 KCTP 231947
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
247 PM EST FRI JAN 23 2015

.A FAST MOVING STORM SYSTEM WILL TRACK UP THE EAST COAST...
BRINGING AN 8 TO 12 HOUR PERIOD OF MODERATE TO HEAVY SNOW TO THE
AREA TONIGHT AND EARLY SATURDAY.

PAZ026>028-034>036-049>053-056>059-063-240800-
/O.CON.KCTP.WS.W.0001.150124T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
247 PM EST FRI JAN 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 PM EST SATURDAY...

* LOCATIONS...THE SOUTH-CENTRAL MOUNTAINS...PORTIONS OF THE 
  MIDDLE AND LOWER SUSQUEHANNA VALLEY...AND WESTERN POCONO 
  MOUNTAINS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION THIS EVENING. THE 
  SNOW WILL FALL HEAVY AT TIMES EARLY SATURDAY BEFORE TAPERING 
  OFF LATE SATURDAY MORNING. THE SNOW COULD POTENTIALLY MIX WITH 
  LIGHT RAIN OR FREEZING RAIN SATURDAY MORNING FROM AROUND THE 
  HARRISBURG AND LEBANON AREA...SOUTH AND EASTWARD.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-025-033-042-045-046-064>066-240800-
/O.CON.KCTP.WW.Y.0007.150124T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LAPORTE...LOCK HAVEN...WILLIAMSPORT...GETTYSBURG...
YORK...LANCASTER
247 PM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 1 PM EST SATURDAY...

* LOCATIONS...THE CENTRAL AND NORTH-CENTRAL MOUNTAINS OF 
  PENNSYLVANIA.

* HAZARD TYPES...SNOW.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM THE SOUTHWEST 
  LATE THIS EVENING. THE SNOW WILL TAPER OFF LATE SATURDAY 
  MORNING.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

LAMBERT/GRUMM/GARTNER
900 
WWUS41 KCTP 240023
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
723 PM EST FRI JAN 23 2015

.A FAST MOVING STORM SYSTEM WILL TRACK UP THE EAST COAST. THIS
WILL CREATE AN 8 TO 12 HOUR PERIOD OF MODERATE TO HEAVY SNOW
OVERNIGHT AND EARLY SATURDAY. SOME RAIN OR FREEZING RAIN MAY MIX
IN AT TIMES OVER THE SOUTHEAST.

PAZ026>028-034>036-049>053-056>059-063-241230-
/O.CON.KCTP.WS.W.0001.000000T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
723 PM EST FRI JAN 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

* LOCATIONS...THE SOUTH-CENTRAL MOUNTAINS...THE HARRISBURG AREA
  AND THE POCONO MOUNTAINS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION THIS EVENING. THE SNOW
  WILL FALL HEAVY AT TIMES EARLY SATURDAY BEFORE TAPERING OFF LATE
  SATURDAY MORNING. A LITTLE RAIN OR FREEZING RAIN MAY
  OCCUR...MAINLY TO THE SOUTHEAST OF I-81.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-025-033-042-045-046-241230-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LAPORTE...LOCK HAVEN...WILLIAMSPORT
723 PM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

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

* HAZARD TYPES...SNOW.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM THE SOUTHWEST 
  LATE THIS EVENING. THE SNOW WILL TAPER OFF LATE SATURDAY 
  MORNING.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT 
  INTO EARLY SATURDAY.

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ064>066-241230-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...GETTYSBURG...YORK...LANCASTER
723 PM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

* LOCATIONS...THE FAR LOWER SUSQUEHANNA VALLEY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW. A THIN LAYER OF ICE MAY
  OCCUR.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM THE SOUTHWEST LATE
  THIS EVENING. THE SNOW WILL TAPER OFF LATE SATURDAY MORNING.
  RAIN OR FREEZING RAIN MAY MIX IN AT TIMES.

* IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT
  INTO EARLY SATURDAY. THE SNOW WILL BE A HEAVY...WET
  SNOW...ESPECIALLY IF IT MIXES WITH RAIN OR FREEZING RAIN. 

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$
194 
WWUS41 KCTP 240324
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1024 PM EST FRI JAN 23 2015

.A FAST MOVING STORM SYSTEM WILL TRACK UP THE EAST COAST. THIS
WILL CREATE A BRIEF PERIOD OF MODERATE TO HEAVY SNOW OVERNIGHT
AND EARLY SATURDAY. SOME RAIN OR FREEZING RAIN MAY MIX IN AT TIMES
OVER THE SOUTHEAST.

PAZ026>028-034>036-049>053-056>059-063-241530-
/O.CON.KCTP.WS.W.0001.000000T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
1024 PM EST FRI JAN 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

* LOCATIONS...THE SOUTH-CENTRAL MOUNTAINS...THE HARRISBURG AREA 
  AND THE POCONO MOUNTAINS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 8 INCHES OF SNOW.

* TIMING...SNOW HAS BEGUN OVER MUCH OF THE AREA AND WILL FALL
  HEAVILY AT TIMES BEFORE TAPERING OFF LATE SATURDAY MORNING. A
  LITTLE RAIN OR FREEZING RAIN MAY OCCUR...MAINLY TO THE
  SOUTHEAST OF I-81.

* IMPACTS...HAZARDOUS TRAVEL ON ROADS.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-025-033-042-045-046-241530-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LAPORTE...LOCK HAVEN...WILLIAMSPORT
1024 PM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

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

* HAZARD TYPES...SNOW.

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

* TIMING...SNOW HAS BEGUN OVER THE LAUREL HIGHLANDS AND WILL BEGIN
  BEFORE MIDNIGHT IN THE STATE COLLEGE AND WILLIAMSPORT AREAS. THE
  SNOW WILL BE LIGHT TO MODERATE FOR MOST OF THE NIGHT AND EARLY
  MORNING.

* IMPACTS...SLOWED TRAVEL DUE TO SNOW COVERED AND SLIPPERY ROADS. 

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ064>066-241530-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...GETTYSBURG...YORK...LANCASTER
1024 PM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

* LOCATIONS...THE FAR LOWER SUSQUEHANNA VALLEY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW. A THIN LAYER OF ICE MAY 
  OCCUR.

* TIMING...SNOW WILL CONTINUE ALL NIGHT...MAINLY MODERATE BUT ALSO
  HEAVY AT TIMES. THE SNOW WILL TAPER OFF SATURDAY MORNING. RAIN
  OR FREEZING RAIN COULD MIX IN AT TIMES...MAINLY CLOSE TO THE
  MARYLAND BORDER.

* IMPACTS...SLOWED AND HAZARDOUS TRAVEL DUE TO SNOW COVERED AND
  SLIPPERY ROADS. THE SNOW WILL BE A HEAVY...WET SNOW...
  ESPECIALLY IF IT MIXES WITH RAIN OR FREEZING RAIN. 

* TEMPERATURES...IN THE LOWER 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/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$
476 
WWUS41 KCTP 240913
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
413 AM EST SAT JAN 24 2015

.A FAST MOVING STORM SYSTEM NEAR THE DELMARVA PENINSULA EARLY THIS
MORNING WILL TRACK NORTHEAST TOWARD NEW ENGLAND TODAY. SNOW OR
MIXED PRECIPITATION WILL TAPER OFF THIS MORNING AS THE STORM
PULLS AWAY.

PAZ026>028-034>036-049>053-056>059-063-241800-
/O.CON.KCTP.WS.W.0001.000000T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
413 AM EST SAT JAN 24 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...THE SOUTH CENTRAL MOUNTAINS NORTHEAST INTO THE
  SUSQUEHANNA VALLEY. 

* HAZARD TYPE...SNOW.

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...THE HEAVIEST SNOW HAS ALREADY FALLEN FROM THIS STORM.
  LIGHT SNOW WILL CONTINUE TO FALL THROUGH THE MORNING HOURS WITH
  AN ADDITIONAL INCH OR SO OF ACCUMULATION BETWEEN 5 AM AND NOON.
  FROM HARRISBURG SOUTHWARD RAIN WILL MIX WITH THE SNOW AT TIMES.

* IMPACTS...HAZARDOUS TRAVEL ON ROADS.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-025-033-042-045-046-241800-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LAPORTE...LOCK HAVEN...WILLIAMSPORT
413 AM EST SAT JAN 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

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

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...THE HEAVIEST SNOW HAS ALREADY FALLEN FROM THIS STORM.
  LIGHTER SNOW WILL CONTINUE TO FALL THIS MORNING WITH AN
  ADDITIONAL INCH OR SO BETWEEN 5 AM AND NOON. 

* IMPACTS...SLOWED TRAVEL DUE TO SNOW COVERED AND SLIPPERY ROADS.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ064>066-241800-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...GETTYSBURG...YORK...LANCASTER
413 AM EST SAT JAN 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...THE FAR LOWER SUSQUEHANNA VALLEY.

* HAZARD TYPES...MIXED PRECIPITATION.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW...ALONG WITH LIGHT COATING
  OF ICE IN SOME LOCATIONS.

* TIMING...THE HEAVIEST PRECIPITATION FROM THIS STORM HAS ALREADY
  FALLEN. A LIGHTER MIXTURE OF RAIN AND SNOW WILL FALL ACROSS THE
  REGION THIS MORNING AND EARLY AFTERNOON. LITTLE IF ANY
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* IMPACTS...SLOWED AND HAZARDOUS TRAVEL DUE TO SNOW COVERED AND
  SLIPPERY ROADS. 

* TEMPERATURES...IN THE LOWER 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/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$
398 
WWUS41 KCTP 241514
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1014 AM EST SAT JAN 24 2015

.LINGERING LIGHT SNOW SHOWERS WILL END BY MIDDAY...AS A DEPARTING
STORM TRACKS OFF THE DEL MARVA PENINSULA.

PAZ026>028-034>036-049>053-056>059-063-241800-
/O.CON.KCTP.WS.W.0001.000000T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...LEWISTOWN...
MIFFLINTOWN...BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE
1014 AM EST SAT JAN 24 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...THE SOUTH CENTRAL MOUNTAINS NORTHEAST INTO THE 
  SUSQUEHANNA VALLEY.

* HAZARD TYPE...SNOW.

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...AN ADDITIONAL COATING IS POSSIBLE THROUGH LATE MORNING
  BEFORE SNOW ENDS. 

* IMPACTS...HAZARDOUS TRAVEL ON ROADS.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE EXTREME CAUTION IF TRAVELING. FOR THE LATEST WEATHER
INFORMATION...GO TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ019-024-025-033-042-045-046-241800-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...STATE COLLEGE...JOHNSTOWN...ALTOONA...
SOMERSET...LAPORTE...LOCK HAVEN...WILLIAMSPORT
1014 AM EST SAT JAN 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

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

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...AN ADDITIONAL COATING OF SNOW IS LIKELY BEFORE SNOW
  ENDS BEFORE NOON.

* IMPACTS...SLOWED TRAVEL DUE TO SNOW COVERED AND SLIPPERY ROADS.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
USE CAUTION IF TRAVELING. FOR THE LATEST WEATHER INFORMATION...GO
TO WEATHER.GOV/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$

PAZ064>066-241800-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...GETTYSBURG...YORK...LANCASTER
1014 AM EST SAT JAN 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...THE FAR LOWER SUSQUEHANNA VALLEY.

* HAZARD TYPES...SNOW SHOWERS. 

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...A PERIOD OF LIGHT SNOW OR SNOW SHOWERS WILL BRING
  ANOTHER COATING OF SNOW BEFORE PRECIPITATION ENDS BY 100 PM.

* IMPACTS...SLOWED AND HAZARDOUS TRAVEL DUE TO SNOW COVERED AND 
  SLIPPERY ROADS.

* TEMPERATURES...IN THE LOWER 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/STATECOLLEGE OR MONITOR 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 C...T...P...W...X.

&&

$$
558 
WWUS41 KCTP 241652
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1152 AM EST SAT JAN 24 2015

PAZ026>028-034>036-049>053-056>059-063-241800-
/O.CAN.KCTP.WS.W.0001.000000T0000Z-150124T1800Z/
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-
1152 AM EST SAT JAN 24 2015

...WINTER STORM WARNING IS CANCELLED...

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

NO ADDITIONAL ACCUMULATION IS EXPECTED...THEREFORE THE WINTER
STORM WARNING IS NO LONGER IN EFFECT.

$$

PAZ019-024-025-033-042-045-046-064>066-241800-
/O.CAN.KCTP.WW.Y.0007.000000T0000Z-150124T1800Z/
SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-ADAMS-YORK-LANCASTER-
1152 AM EST SAT JAN 24 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

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

NO ADDITIONAL ACCUMULATION IS EXPECTED...THEREFORE THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT.

$$

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 23, 7:16 AM EST, 3 hours 7 minutes earlier.

Area forecast discussion, Jan 23, 7:16 AM EST, 3 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
716 AM EST FRI JAN 23 2015

.SYNOPSIS...
LOW PRESSURE OVER THE GULF OF MEXICO THIS MORNING WILL TRACK
QUICKLY NORTHEAST ALONG THE EAST COAST TONIGHT...PASSING EAST OF
NEW ENGLAND BY SATURDAY NIGHT. AN ALBERTA CLIPPER WILL TRACK SOUTH
OF PENNSYLVANIA SUNDAY NIGHT. AN UPPER LVL TROUGH WILL REMAIN OVER
THE NORTHEAST CONUS THRU THE REST OF THE WEEK.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
11-3.9U IMAGERY SHOWING LOW CLOUDS BEGINNING TO BREAK UP EAST OF
THE MTNS EARLY THIS AM...AS INVERSION HGT FALLS UPON ARRIVAL OF
SFC HIGH. LATEST MDL SOUNDINGS SUPPORT MCLEAR SKIES ACROSS THE
SUSQ VALLEY BY DAWN. FURTHER WEST...SHALLOW LYR OF MOISTURE
ASCENDING THE HIGH TERRAIN SHOULD RESULT IN LINGERING LOW CLOUDS
ACROSS THE ALLEGHENY PLATEAU.

LG SCALE SUBSIDENCE BENEATH UPPER LVL RIDGING SHOULD SUPPLY
MSUNNY SKIES TODAY ACROSS EASTERN PA. HOWEVER...MDL SOUNDINGS
INDICATE LOW CLOUDS WILL PERSIST ACROSS THE ALLEGHENY MTNS...ESP
NW MTNS. EXPECT A FAIRLY QUICK INCREASE IN MID AND HIGH CLOUDS
ACROSS SOUTHERN PA LATE IN THE DAY IN ADVANCE OF RAPIDLY
APPROACHING SFC LOW OVR THE SOUTHEAST CONUS.

ENS MEAN 925MB TEMPS ARE SUPPORTIVE OF MAX TEMPS FROM THE U20S OVR
THE NW MTNS...TO THE M/U30S ACROSS THE LOWER SUSQ VALLEY.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/...
MDL CONSENSUS HAS SHIFTED SFC LOW TRACK WESTWARD OVER THE LAST
24HRS...SO HAVE INCREASED POPS AND SNOW AMTS ACROSS THE REGION
TONIGHT. AN ADVISORY TYPE SNOWFALL NOW APPEARS VERY LIKELY TONIGHT
INTO EARLY SAT...AS FAST-MOVING LOW TRACKS UP THE E COAST...PASSING
JUST EAST OF THE DELMARVA ARND 12Z SAT.

LITTLE MDL SPREAD NOTED W/RESPECT TO TIMING OR TRACK...ALL OF
WHICH POINTS TOWARD SNOW ARRIVING ACROSS THE S TIER ARND 00Z AND
REACHING IT/S FURTHEST WESTWARD EXTENT ACROSS THE NW MTNS BY ARND
MIDNIGHT. MDL BLENDED QPF RANGES FROM NOTHING OVR WARREN CO...TO
PERHAPS 0.75 INCHES OVR LANCASTER CO. PASSAGE OF SOUTHERLY LL JET
LATE TONIGHT WILL DRAW MILDER AIR INTO SE PA...LIKELY CHANGING
PTYPE TO EITHER RAIN OR FZRA FROM ARND KMDT SOUTH AND EASTWARD.
STILL...EXPECT SEVERAL INCHES OF ACCUM BEFORE ANY CHANGEOVER
ACROSS THE SE. FURTHER NORTH...SNOW/WATER RATIOS ARND
12/1...TYPICAL FOR COASTAL STORMS...SHOULD TRANSLATE TO SNOW
ACCUMS IN THE 2-4 INCH RANGE OVR THE SOUTHERN HALF OF THE CWA.

BY DAWN SATURDAY...LL JET AND BEST ISENTROPIC LIFT SHOULD HAVE
SHIFTED EAST OF THE REGION. HOWEVER...LIGHTER SNOW ASSOC WITH MID
LVL SHORTWAVE IS LIKELY TO LAST THRU ARND MIDDAY...AND PERHAPS A
BIT LONGER OVR THE SE COUNTIES.

NW FLOW IN WAKE OF THIS SYSTEM SHOULD BRING PARTIAL CLEARING LATE
TO EASTERN PA. HOWEVER...A FAST MOVING AND WEAK CLIPPER TYPE
SHORTWAVE WILL BE DIVING INTO THE REGION FROM THE GRT LKS TOWARD
EVENING...LIKELY PRODUCING -SHSN ACROSS THE ALLEGHENY PLATEAU SAT
EVENING.

THE AIR MASS BEHIND TONIGHT/S LOW IS NOT PARTICULARLY COLD AND
ENS MEAN 925 TEMPS SUPPORT HIGHS IN THE M/U30S OVR MUCH OF THE
AREA...WHICH SHOULD RESULT IN MUCH IMPROVED ROAD CONDS BY SAT AFTN.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
HAVE INCREASED CHC OF SNOW LATE SUNDAY/EARLY MONDAY...AS MED RANGE
MDLS ALL TRACKING POTENT ALBERTA CLIPPER JUST SOUTH OF PA SUN
NIGHT. BLEND OF MED RANGE GUIDANCE SUPPORTS QPF IN THE 0.25 TO
0.50 INCH RANGE...IMPLYING A LIGHT TO MODERATE SNOWFALL. HIGHEST
TOTALS LIKELY TO BE ACROSS SOUTHERN PA BASED ON CURRENT TRACK.
PLENTY OF COLD AIR AVAILABLE AND EXPECT NO PRECIP TYPE ISSUES WITH
THIS EVENT.

AS THE LOW INTENSIFIES OFF THE THE ATLANTIC COAST ON MONDAY...WE
COULD SEE LIGHT SNOW/SHOWERS CONTINUING THROUGH THE DAY WITH
TEMPERATURES REMAINING STEADY OR SLOWLY FALLING THROUGH THE 20S.

COLDEST AIR OF THE WEEK DIVES IN BEHIND THE DEPARTING SYSTEM ON
TUESDAY WITH STATEWIDE HIGHS A FEW DEGREES EITHER SIDE OF 20F.
SUB-ZERO LOWS POSSIBLE ACROSS A GOOD PART OF CENTRAL PA TUESDAY...AS
SFC HIGH BUILDS OVR THE AREA. CLEARING SKIES...A CALM WIND AND
FRESH SNOW COVER COULD RESULT IN AN IDEAL RADIATIONAL COOLING
SCENARIO.

MODERATING CHILL IS IN STORE FOR THE MID TO LATE WEEK...AS
RIDGING AT THE SURFACE AND ALOFT MOVES IN AHEAD OF NEXT IN SERIES
OF ALBERTA CLIPPERS.

&&

.AVIATION /12Z FRIDAY THROUGH TUESDAY/...
LOW PRESSURE OVER THE GULF OF MEXICO THIS MORNING WILL TRACK
QUICKLY NORTHEAST ALONG THE EAST COAST TONIGHT...PASSING EAST OF
NEW ENGLAND BY SATURDAY NIGHT. AN ALBERTA CLIPPER WILL TRACK SOUTH
OF PENNSYLVANIA SUNDAY NIGHT.

LOWER CLOUDS BREAKING UP EAST OF THE MTNS EARLY THIS MORNING
/FROM KLNS-KMDT/ AS INVERSION HGT FALLS UPON ARRIVAL OF SFC HIGH.
VFR CONDITIONS WILL PERSIST THROUGH THE DAY IN THE LOWER SUSQ.
FURTHER WEST...SHALLOW LYR OF MOISTURE ASCENDING THE HIGH TERRAIN
SHOULD RESULT IN LINGERING LOW CLOUDS /IFR RISING TO MVFR BY EARLY
AFTERNOON/ ACROSS THE ALLEGHENY PLATEAU. CENTRAL MTNS WILL HANG IN
THE MVFR CIGS THROUGH THE MORNING HOURS...AND MAY SLIP INTO THE
VFR AREA IN THE AFTERNOON. WINDS WILL BE LIGHT TURNING TO THE
SOUTH TODAY.

LOW PRESSURE SLIDES NORTHWARD FROM THE GULF COAST...ARRIVING
TONIGHT. SNOW WILL SPREAD INTO THE SOUTHERN MTNS SHORTLY AFTER
00Z AND OVERSPREAD REMAINDER OF THE AREA BY LATE EVENING. THE SNOW
WILL BE ACCOMPANIED BY LOWERING CIGS/VSBYS WITH MAJORITY OF
TERMINALS DROPPING TO IFR BY MID EVENING AND LINGERING THROUGH
MUCH OF THE OVERNIGHT. SOME FREEZING RAIN LIKELY WORKS INTO THE
SOUTHERN MTNS AND LOWER SUSQ AFTER MIDNIGHT...WHICH COULD BRING
ICING ISSUES.

OUTLOOK...

SAT...REDUCTIONS ARAEWIDE EARLY AS STORM EXITS THE REGION. THEN
IMPROVING CONDITIONS EAST...WITH REDUCTIONS CONTINUING WEST.
BECOMING BREEZY.

SUN...VFR INTO THE AFTERNOON...THEN SNOW DEVELOPING ACROSS THE
WEST IN THE AFTERNOON OR EVENING...AND OVERSPREADING ALL OF
CENTRAL PENN AND THE SUSQ VALLEY AT NIGHT.

MON...AM SNOW WITH WIDESPREAD MVFR TO IFR LIKELY.

TUE...NO SIG WEATHER EXPECTED.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FROM 7 PM THIS EVENING TO 1 PM EST
SATURDAY FOR PAZ025>028-033>036-056>059-063>066.

&&

SYNOPSIS...FITZGERALD
NEAR TERM...FITZGERALD
SHORT TERM...FITZGERALD
LONG TERM...DANGELO/FITZGERALD
AVIATION...RXR
Hazardous weather outlook, Jan 23, 4:04 AM EST, 6 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
404 AM EST FRI JAN 23 2015

PAZ025>028-033>036-056>059-063>066-240915-
BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-
PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
404 AM EST FRI JAN 23 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM
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.

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.

A STORM SYSTEM WILL TRACK SOUTH OF PENNSYLVANIA LATE SUNDAY AND
EARLY MONDAY...POTENTIALLY PRODUCING A LIGHT TO MODERATE SNOWFALL
ACROSS CENTRAL PENNSYLVANIA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ004>006-010>012-017>019-024-037-041-042-045-046-049>053-240915-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-
404 AM EST FRI JAN 23 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

A FAST MOVING STORM SYSTEM TRACKING UP THE EAST COAST WILL GRAZE
NORTHERN PENNSYLVANIA WITH A LIGHT SNOWFALL TONIGHT AND EARLY
SATURDAY. ACCUMULATIONS WILL RANGE FROM A DUSTING TO 2 INCHES...WITH
HIGHER AMOUNTS ACROSS SOUTHEAST PENNSYLVANIA.

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

A STORM SYSTEM WILL TRACK SOUTH OF PENNSYLVANIA LATE SUNDAY AND
EARLY MONDAY...POTENTIALLY PRODUCING A LIGHT TO MODERATE SNOWFALL
ACROSS CENTRAL PENNSYLVANIA.

.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
Jan 23, 3:58 AM ESTWinter Weather AdvisoryCTPAdams, Bedford, Blair, Cambria, Centre, Clinton and 20 more32 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2015Every winter storm warning in 2015

Sources

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