Alert archive / Pennsylvania / Winter Storm Warnings in 2013

Winter Storm Warning 4, NWS State College, PA

March 17, 201316 counties in Pennsylvania

NWS State College, PA issued this winter storm warning at Mar 17, 2013, 3:06 AM EDT for 16 counties in Pennsylvania. It took effect at Mar 18, 2013, 2:00 AM EDT. It was in force for 22 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
Mar 17, 2013, 3:06 AM EDT (07:06 UTC)
In effect from
Mar 18, 2013, 2:00 AM EDT
Expired
Mar 18, 2013, 11:45 PM EDT
In force
22 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, Fulton County, PA, Huntingdon County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 6 km from the middle of the area, began a volume at 07:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 7.1 hours before the alert went out and 184 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 2013-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2013-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
460 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
178 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.

188 
WWUS41 KCTP 170706
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
306 AM EDT SUN MAR 17 2013


PAZ024-033-172000-
/O.NEW.KCTP.WS.W.0004.130318T0400Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
306 AM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EDT MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR SIGNIFICANT SNOW THEN ICE FROM FREEZING
RAIN...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EDT
MONDAY NIGHT.

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...SNOW THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...3 TO 6 INCHES OF SNOW...FOLLOWED BY AROUND ONE-QUARTER
  OF AN INCH OF ICE.

* TIMING...SNOW WILL BEING AROUND MIDNIGHT. THE HEAVIEST SNOW IS
  EXPECTED MONDAY MORNING...FOLLOWED BY A CHANGE TO SLEET THEN
  FREEZING RAIN FOR MONDAY AFTERNOON AND NIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS DUE TO SNOW AND ICE
  COVERED ROADS...SUBSTANTIAL REDUCTIONS IN VISIBILITY. 

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...MAINLY 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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ025-034-172000-
/O.NEW.KCTP.WS.A.0006.130318T0400Z-130319T0600Z/
BLAIR-BEDFORD-
INCLUDING THE CITIES OF...ALTOONA...BEDFORD
306 AM EDT SUN MAR 17 2013

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE
MONDAY NIGHT. 

* LOCATIONS...SOUTH CENTRAL MOUNTAINS.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...POTENTIAL FOR SIGNIFICANT SNOW THEN ICE.

* TIMING...SNOW WILL DEVELOP AFTER MIDNIGHT WITH THE HEAVIEST SNOW
  LIKELY DURING THE MID TO LATE MORNING HOURS MONDAY.
  AFTERWARD...A CHANGEOVER TO SLEET THEN FREEZING RAIN WILL OCCUR
  AND LAST INTO MONDAY NIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS AND SUBSTANTIAL REDUCTIONS
  IN VISIBILITY POSSIBLE DUE TO SNOW AND ICE COVERED ROADS.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...MAINLY IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ005-006-010>012-017>019-172000-
/O.NEW.KCTP.WS.A.0006.130318T1200Z-130319T0600Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE
306 AM EDT SUN MAR 17 2013

...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT. 

* LOCATIONS...CENTRAL AND NORTHWEST MOUNTAINS.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...POTENTIAL FOR SIGNIFICANT SNOW THEN ICE.

* TIMING...SNOW WILL DEVELOP DURING THE MID MORNING HOURS
  MONDAY...WITH THE HEAVIEST SNOW LIKELY FROM LATE MONDAY MORNING
  THROUGH THE AFTERNOON HOURS. AFTERWARD...A CHANGEOVER TO SLEET
  THEN FREEZING RAIN WILL OCCUR AND LAST INTO MONDAY NIGHT.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS AND SUBSTANTIAL REDUCTIONS
  IN VISIBILITY POSSIBLE DUE TO SNOW AND ICE COVERED ROADS.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ037-041-042-172000-
/O.NEW.KCTP.WS.A.0006.130318T1600Z-130319T1200Z/
TIOGA-NORTHERN LYCOMING-SULLIVAN-
INCLUDING THE CITIES OF...MANSFIELD...WELLSBORO...LAPORTE
306 AM EDT SUN MAR 17 2013

...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
EARLY TUESDAY MORNING...

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

* LOCATIONS...NORTH-CENTRAL MOUNTAINS.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...POTENTIAL FOR SIGNIFICANT SNOW THEN ICE.

* TIMING...SNOW WILL DEVELOP DURING THE MIDDAY HOURS MONDAY...WITH
  THE HEAVIEST SNOW LIKELY MONDAY AFTERNOON INTO EARLY MONDAY
  EVENING. AFTERWARD...A CHANGEOVER TO SLEET THEN FREEZING RAIN
  WILL OCCUR AND LAST INTO EARLY TUESDAY MORNING.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS AND SUBSTANTIAL REDUCTIONS
  IN VISIBILITY POSSIBLE DUE TO SNOW AND ICE COVERED ROADS.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LAMBERT/STEINBUGL
7 follow-up statements
870 
WWUS41 KCTP 171847
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
247 PM EDT SUN MAR 17 2013

PAZ005-006-010>012-017>019-180500-
/O.UPG.KCTP.WS.A.0006.130318T1200Z-130319T0600Z/
/O.EXB.KCTP.WS.W.0004.130318T0900Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND ICE ACCUMULATIONS...WHICH IS IN
EFFECT FROM 5 AM MONDAY TO 8 AM EDT TUESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...WEST CENTRAL PENNSYLVANIA AND THE NORTHERN
  MOUNTAINS. 

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW...CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...LATE TONIGHT INTO MONDAY NIGHT

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ037-041-042-180500-
/O.UPG.KCTP.WS.A.0006.130318T1600Z-130319T1200Z/
/O.EXB.KCTP.WS.W.0004.130318T1200Z-130319T1200Z/
TIOGA-NORTHERN LYCOMING-SULLIVAN-
INCLUDING THE CITIES OF...MANSFIELD...WELLSBORO...LAPORTE
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM 8 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR FOR HEAVY SNOW AND ICE ACCUMULATIONS...WHICH IS
IN EFFECT FROM 8 AM MONDAY TO 8 AM EDT TUESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...NORTHEASTERN PENNSYLVANIA.

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW...CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...MONDAY MORNING INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ025-034-180500-
/O.UPG.KCTP.WS.A.0006.130318T0400Z-130319T0600Z/
/O.EXB.KCTP.WS.W.0004.130318T0900Z-130319T1200Z/
BLAIR-BEDFORD-
INCLUDING THE CITIES OF...ALTOONA...BEDFORD
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR FOR HEAVY SNOW AND ICE ACCUMULATIONS...WHICH IS
IN EFFECT FROM 5 AM MONDAY TO 8 AM EDT TUESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...SOUTH CENTRAL MOUNTAINS.

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW....CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...MONDAY INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ026-035-045-180500-
/O.EXB.KCTP.WS.W.0004.130318T0900Z-130319T1200Z/
HUNTINGDON-FULTON-SOUTHERN CLINTON-
INCLUDING THE CITIES OF...HUNTINGDON...MOUNT UNION...
MCCONNELLSBURG...LOCK HAVEN
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR FOR HEAVY SNOW AND ICE ACCUMULATIONS...WHICH IS
IN EFFECT FROM 5 AM MONDAY TO 8 AM EDT TUESDAY.

* LOCATIONS...SOUTH CENTRAL PENNSYLVANIA.

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW....CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...LATE TONIGHT INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ046-180500-
/O.EXB.KCTP.WS.W.0004.130318T1200Z-130319T1200Z/
SOUTHERN LYCOMING-
INCLUDING THE CITY OF...WILLIAMSPORT
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING IN EFFECT FROM 8 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND ICE ACCUMULATIONS...WHICH IS IN
EFFECT FROM 8 AM MONDAY TO 8 AM EDT TUESDAY.

* LOCATIONS...MIDDLE SUSQUEHANNA VALLEY.

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW...CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...MONDAY INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ024-033-180500-
/O.CON.KCTP.WS.W.0004.130318T0400Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
247 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT EDT MONDAY NIGHT...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...HEAVY SNOW AND FREEZING RAIN ACCUMULATIONS.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW...CHANGING TO SLEET AND
  FREEZING RAIN WITH ONE TO TWO TENTHS OF AN INCH OF ICING.

* TIMING...LATE TONIGHT INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND POWER
  LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.


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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-180500-
/O.NEW.KCTP.WW.Y.0017.130318T1200Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
247 PM EDT SUN MAR 17 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM MONDAY TO 8 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF SNOW...SLEET AND FREEZING
RAIN...WHICH IS IN EFFECT FROM 8 AM MONDAY TO 8 AM EDT TUESDAY.

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE LOWER SUSQUEHANNA
  VALLEY.

* HAZARD TYPES...SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW.

* TIMING...MONDAY INTO MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. 

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* VISIBILITIES...REDUCED TO WELL UNDER A MILE IN SNOW.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

LA CORTE
331 
WWUS41 KCTP 180138
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
938 PM EDT SUN MAR 17 2013

PAZ024-033-181145-
/O.EXT.KCTP.WS.W.0004.130318T0600Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
938 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 2 AM MONDAY TO
MIDNIGHT EDT MONDAY NIGHT...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW AND UP TO A QUARTER INCH
  OF ICE.

* TIMING...A BURST OF SNOW WILL FALL DURING THE PRE DAWN HOURS OF
  MONDAY. A LULL IN THE PRECIPITATION IS POSSIBLE LATE
  MORNING...FOLLOWED BY FREEZING RAIN AND SLEET FOR THE AFTERNOON.
  PRECIPITATION WILL LIKELY TAPER OFF TO LIGHT RAIN OR FREEZING
  RAIN MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS
  AND POWER LINES.

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

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

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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ034-181145-
/O.EXT.KCTP.WS.W.0004.130318T0600Z-130319T1200Z/
BEDFORD-
INCLUDING THE CITY OF...BEDFORD
938 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 2 AM MONDAY TO 8 AM
EDT TUESDAY...

* LOCATIONS...BEDFORD COUNTY.

* HAZARD TYPES...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW AND AROUND A TENTH OF AN
  INCH OF ICE.

* TIMING...A BURST OF SNOW WILL FALL DURING THE PRE DAWN HOURS OF
  MONDAY. A LULL IN THE PRECIPITATION IS POSSIBLE LATE
  MORNING...FOLLOWED BY FREEZING RAIN AND SLEET FOR THE AFTERNOON.
  PRECIPITATION WILL LIKELY TAPER OFF TO LIGHT RAIN OR FREEZING
  RAIN MONDAY NIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS.  

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 40 MPH.

* VISIBILITIES...UNDER A MILE IN SNOW AT TIMES.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-045-181145-
/O.EXT.KCTP.WS.W.0004.130318T1200Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-SOUTHERN CLINTON-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...LOCK HAVEN
938 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 8 AM MONDAY TO 8 AM
EDT TUESDAY...

* LOCATIONS...NORTH CENTRAL PENNSYLVANIA.

* HAZARD TYPES...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW AND UP TO A QUARTER INCH
  OF ICE.

* TIMING...SNOW WILL OVERSPREAD THE AREA BY LATE MORNING...THEN
  CHANGE TO SLEET AND FREEZING RAIN BY EARLY EVENING.
  PRECIPITATION IS LIKELY TO TAPER OFF TO LIGHT RAIN OR FREEZING
  RAIN MONDAY NIGHT. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS
  AND POWER LINES.

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ017>019-025-026-035-181145-
/O.CON.KCTP.WS.W.0004.130318T0900Z-130319T1200Z/
CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
FULTON-
INCLUDING THE CITIES OF...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...
MCCONNELLSBURG
938 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM MONDAY TO
8 AM EDT TUESDAY...

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...SNOW TOTALS RANGING FROM 2 TO 4 INCHES SOUTH OF
  ALTOONA AND HUNTINGDON AND 4 TO 7 INCHES FURTHER NORTH. ICE
  ACCUMULATIONS RANGING FROM A TENTH TO A QUARTER INCH.

* TIMING...SNOW WILL OVERSPREAD SOUTHERN PENNSYLVANIA JUST BEFORE
  DAWN AND CENTRAL PENNSYLVANIA JUST AFTER DAWN. THE SNOW WILL
  CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN BY LATE AFTERNOON
  OR EARLY EVENING. PRECIPITATION IS LIKELY TO TAPER OFF TO EITHER
  DRIZZLE OR FREEZING DRIZZLE MONDAY NIGHT. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS
  AND POWER LINES.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 40 MPH.

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ037-041-042-046-181145-
/O.CON.KCTP.WS.W.0004.130318T1200Z-130319T1200Z/
TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...MANSFIELD...WELLSBORO...LAPORTE...
WILLIAMSPORT
938 PM EDT SUN MAR 17 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO
8 AM EDT TUESDAY...

* LOCATIONS...NORTH CENTRAL PENNSYLVANIA.

* HAZARD TYPES...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW AND ONE TENTH TO A QUARTER
  INCH OF ICE.

* TIMING...SNOW WILL OVERSPREAD THE AREA LATE MONDAY
  MORNING...THEN CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN
  MONDAY EVENING. PRECIPITATION IS LIKELY TO TAPER OFF TO EITHER
  DRIZZLE OR LIGHT FREEZING RAIN LATER MONDAY NIGHT. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. POWER OUTAGES ARE 
  POSSIBLE WITH FREEZING RAIN ACCUMULATING ON TREE LIMBS AND 
  POWER LINES. 

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-181145-
/O.CON.KCTP.WW.Y.0017.130318T1200Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
938 PM EDT SUN MAR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO
8 AM EDT TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE LOWER SUSQUEHANNA 
  VALLEY. 

* HAZARD TYPES...SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...1 TO 3 INCHES OF SNOW OVER MOST OF THE
  AREA...WITH LESS THAN AN INCH SOUTH AND EAST OF HARRISBURG. ANY ICE
  AMOUNTS WILL BE LESS THAN A TENTH OF AN INCH.

* TIMING...SNOW WILL OVERSPREAD THE AREA AROUND OR SHORTLY AFTER
  SUNRISE. A LULL IN THE PRECIPITATION IS LIKELY ACROSS THE LOWER
  SUSQUEHANNA VALLEY DURING EARLY AFTERNOON. BY EARLY
  EVENING...PRECIPITATION SHOULD CHANGE TO RAIN ACROSS MOST OF THE
  AREA. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS.


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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$
978 
WWUS41 KCTP 180746
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
346 AM EDT MON MAR 18 2013

PAZ024-033-182100-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
346 AM EDT MON MAR 18 2013

...A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...SNOW...THEN FREEZING RAIN.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW AND BETWEEN ONE
  QUARTER...AND ONE HALF INCH OF ICE.

* TIMING...A BURST OF SNOW WILL FALL A FEW HOURS EITHER SIDE OF
  DAYBREAK TODAY. A SHORT LULL IN THE PRECIPITATION IS POSSIBLE
  LATE THIS MORNING...FOLLOWED BY FREEZING RAIN AND SLEET FOR THE
  AFTERNOON. PRECIPITATION WILL LIKELY TAPER OFF TO LIGHT RAIN OR
  FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES 
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS 
  AND POWER LINES. 

* WINDS...SOUTHEAST 15 TO 25 MPH. GUSTS UP TO 45 MPH ARE LIKELY ON
  THE RIDGES LATER THIS MORNING AND THROUGH THE AFTERNOON.

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

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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ034-182100-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T1200Z/
BEDFORD-
INCLUDING THE CITY OF...BEDFORD
346 AM EDT MON MAR 18 2013

...A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...BEDFORD COUNTY.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW AND SLEET...FOLLOWED BY
  AROUND A QUARTER OF AN INCH OF ICE.

* TIMING...A SEVERAL HOUR PERIOD OF SNOW WILL OCCUR DURING THE MID
  TO LATE MORNING HOURS TODAY...FOLLOWED BY A GRADUAL TRANSITION
  TO FREEZING RAIN AND SLEET FOR THE AFTERNOON. PRECIPITATION WILL
  LIKELY TAPER OFF TO LIGHT RAIN OR FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS.

* WINDS...SOUTHEAST 5 TO 15 MPH IN THE VALLEYS....AND 15 TO 20
  MPH WITH GUSTS UP TO 40 MPH ON THE RIDGES THIS AFTERNOON.

* VISIBILITIES...UNDER A MILE IN SNOW AT TIMES.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ017>019-025-026-035-182100-
/O.CON.KCTP.WS.W.0004.130318T0900Z-130319T1200Z/
CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
FULTON-
INCLUDING THE CITIES OF...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...
MCCONNELLSBURG
346 AM EDT MON MAR 18 2013

...A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...SNOW AND SLEET TOTALS RANGING FROM 2 TO 4 INCHES
  SOUTH OF ALTOONA AND HUNTINGDON AND 4 TO 7 INCHES FURTHER NORTH.
  ICE ACCUMULATIONS RANGING FROM A TENTH TO A QUARTER OF AN INCH.

* TIMING...SNOW WILL OVERSPREAD SOUTHERN PENNSYLVANIA JUST BEFORE
  DAWN AND BEGIN ACROSS CENTRAL PENNSYLVANIA DURING THE MID TO
  LATE MORNING HOURS. THE SNOW WILL CHANGE TO A MIXTURE OF SLEET
  AND FREEZING RAIN LATE THIS AFTERNOON OR EARLY THIS EVENING.
  PRECIPITATION IS LIKELY TO TAPER OFF TO PERIODS OF LIGHT RAIN
  AND LIGHT FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES 
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS 
  AND POWER LINES. 

* WINDS...SOUTHEAST 5 TO 15 MPH...INCREASING TO 10 TO 20 MPH WITH
  GUSTS UP TO 40 MPH ON THE RIDGES.

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-037-041-042-045-046-182100-
/O.CON.KCTP.WS.W.0004.130318T1200Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-TIOGA-
NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...MANSFIELD...WELLSBORO...LAPORTE...
LOCK HAVEN...WILLIAMSPORT
346 AM EDT MON MAR 18 2013

...A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 8 AM EDT TUESDAY...

* LOCATIONS...NORTH CENTRAL PENNSYLVANIA.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW AND UP TO A QUARTER INCH
  OF ICE.

* TIMING...SNOW WILL OVERSPREAD THE AREA DURING THE LATE MORNING
  AND MIDDAY HOURS TODAY. THE SNOW WILL MIX WITH...THEN CHANGE
  OVER TO  SLEET AND FREEZING RAIN BY THIS EVENING. PRECIPITATION
  WILL LIKELY TAPER OFF TO LIGHT RAIN OR FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES 
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS 
  AND POWER LINES. 

* WINDS...EAST 5 TO 15 MPH...BECOMING SOUTHEAST 10 TO 20 MPH WITH
  GUSTS UP TO 35 MPH.

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-182100-
/O.CON.KCTP.WW.Y.0017.130318T1200Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
346 AM EDT MON MAR 18 2013

...A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 8 AM EDT TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE LOWER SUSQUEHANNA 
  VALLEY. 

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...1 TO 3 INCHES OF SNOW AND SLEET OVER MOST OF THE
  AREA... WITH LESS THAN AN INCH SOUTH AND EAST OF HARRISBURG. ICE
  ACCUMULATION UP TO ONE TENTH OF AN INCH.

* TIMING...SNOW WILL DEVELOP ACROSS MUCH OF THE AREA AROUND OR
  SHORTLY AFTER SUNRISE. A LULL IN THE PRECIPITATION IS LIKELY
  ACROSS THE LOWER SUSQUEHANNA VALLEY DURING EARLY AFTERNOON. BY
  EARLY THIS EVENING...THE A MIXED BAG OF PRECIPITATION SHOULD
  CHANGE TO PERIODS OF LIGHT RAIN...ESPECIALLY ACROSS THE LOWER
  SUSQUEHANNA VALLEY. HOWEVER...POCKETS OF LIGHT FREEZING RAIN
  WILL PERSIST THROUGH TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

LAMBERT/CERU
293 
WWUS41 KCTP 181559
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1159 AM EDT MON MAR 18 2013

PAZ024-033-190200-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
1159 AM EDT MON MAR 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...SNOW...THEN SLEET OR FREEZING RAIN.

* ACCUMULATIONS... 2 TO 4 INCHES OF SNOW AND BETWEEN ONE
  QUARTER...AND ONE HALF INCH OF ICE.

* TIMING...SNOW WILL REDEVELOP OVER THE AREA BY EARLY
  AFTERNOON...MIXING WITH THEN CHANGING TO SLEET OR FREEZING RAIN
  BY MID TO LATE AFTERNOON. PRECIPITATION WILL LIKELY TAPER OFF TO
  LIGHT RAIN OR FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES 
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS 
  AND POWER LINES. 

* WINDS...SOUTHEAST 15 TO 25 MPH. GUSTS UP TO 45 MPH ARE LIKELY ON
  THE RIDGES LATER THIS MORNING AND THROUGH THE AFTERNOON.

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

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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-017>019-025-026-034-035-037-041-042-045-046-
190200-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-BEDFORD-FULTON-
TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...BEDFORD...
MCCONNELLSBURG...MANSFIELD...WELLSBORO...LAPORTE...LOCK HAVEN...
WILLIAMSPORT
1159 AM EDT MON MAR 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW OVER SOUTHERN PARTS OF THE
  WARNING AREA...WITH 4 TO 8 INCHES OF SNOW ELSEWHERE. SNOW WILL
  CHANGE TO SLEET AND FREEZING RAIN WITH AND UP TO A QUARTER INCH OF
  ICE EXPECTED.

* TIMING...SNOW WILL REDEVELOP AND FALL HEAVY AT TIMES THIS
  AFTERNOON...BEFORE MIXING WITH AND CHANGING TO SLEET AND
  FREEZING RAIN LATE THIS AFTERNOON OR EARLY THIS EVENING.
  PRECIPITATION IS LIKELY TO TAPER OFF TO PERIODS OF LIGHT RAIN
  AND LIGHT FREEZING RAIN TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS. ISOLATED POWER OUTAGES 
  ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON TREE LIMBS 
  AND POWER LINES. 

* WINDS...EAST 5 TO 15 MPH...BECOMING SOUTHEAST 10 TO 20 MPH WITH
  GUSTS UP TO 35 MPH.

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

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-190200-
/O.CON.KCTP.WW.Y.0017.000000T0000Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
1159 AM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE LOWER SUSQUEHANNA 
  VALLEY. 

* HAZARD TYPES...SNOW...THEN SLEET AND FREEZING RAIN.

* ACCUMULATIONS...1 TO 3 INCHES OF SNOW AND SLEET OVER MOST OF THE
  AREA... WITH LESS THAN AN INCH SOUTH AND EAST OF HARRISBURG. ICE
  ACCUMULATION UP TO ONE TENTH OF AN INCH.

* TIMING...SNOW WILL REDEVELOP ACROSS THE AREA BY EARLY TO MID
  AFTERNOON. SNOW WILL MIX WITH WITH THEN CHANGE TO
  SLEET...FREEZING RAIN AND THEN RAIN BY EVENING...ESPECIALLY
  ACROSS THE LOWER SUSQUEHANNA VALLEY. HOWEVER...POCKETS OF LIGHT
  FREEZING RAIN WILL PERSIST THROUGH TONIGHT.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

LA CORTE
752 
WWUS41 KCTP 190108
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
908 PM EDT MON MAR 18 2013

PAZ024-033-190400-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T0400Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
908 PM EDT MON MAR 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...FREEZING RAIN.

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

* TIMING...OCCASIONAL FREEZING RAIN OR DRIZZLE WILL FALL OVER THE
  AREA THROUGH MUCH OF THE NIGHT. AFTER 2 AM...TEMPERATURES WILL
  LIKELY RISE ABOVE FREEZING IN MANY AREAS...BUT MAY REMAIN BELOW
  FREEZING ON THE RIDGE TOPS. LIGHT RAIN OR FREEZING RAIN WILL
  LIKELY TAPER OFF BY AROUND DAWN. 

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS. ISOLATED
  POWER OUTAGES ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON
  TREE LIMBS AND POWER LINES.

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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-017>019-025-026-034-035-037-041-042-045-046-
191115-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-BEDFORD-FULTON-
TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...BEDFORD...
MCCONNELLSBURG...MANSFIELD...WELLSBORO...LAPORTE...LOCK HAVEN...
WILLIAMSPORT
908 PM EDT MON MAR 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...MIXED PRECIPITATION.

* ACCUMULATIONS...UP TO AN ADDITIONAL INCH OF SNOW NORTH AND EAST
  OF WILLIAMSPORT...WITH LITTLE IF ANY ELSEWHERE. ICE
  ACCUMULATIONS OF A TENTH TO A QUARTER INCH. 

* TIMING...MIXED PRECIPITATION WILL CHANGE TO FREEZING RAIN LATE
  THIS EVENING. ALTHOUGH TEMPERATURES WILL SLOWLY RISE
  OVERNIGHT...POCKETS OF FREEZING RAIN WILL PERSIST THROUGH THE
  EARLY MORNING HOURS OF TUESDAY. 

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS. ISOLATED
  POWER OUTAGES ARE POSSIBLE DUE TO FREEZING RAIN ACCUMULATING ON
  TREE LIMBS AND POWER LINES.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-191115-
/O.CON.KCTP.WW.Y.0017.000000T0000Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
908 PM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE SUSQUEHANNA
  VALLEY.

* HAZARD TYPES...MIXED PRECIPITATION.

* ACCUMULATIONS...ANY ADDITIONAL SNOW ACCUMULATIONS WILL BE LESS
  THAN AN INCH. HOWEVER...A LIGHT GLAZE OF ICE IS POSSIBLE. 

* TIMING...ANY SNOW WILL CHANGE TO LIGHT FREEZING RAIN OR RAIN
  THIS EVENING. OCCASIONAL LIGHT RAIN OR FREEZING WILL FALL
  THROUGH MUCH OF THE NIGHT. ALTHOUGH TEMPERATURES WILL BE SLOWLY
  RISING OVERNIGHT...POCKETS OF FREEZING RAIN OR DRIZZLE COULD
  PERSIST THROUGH DAWN...MAINLY OVER THE HIGHER ELEVATIONS NORTH
  OF HARRISBURG. 

* IMPACTS...TRAVEL ON UNTREATED ROADS COULD BE HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$
030 
WWUS41 KCTP 190217
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1017 PM EDT MON MAR 18 2013

PAZ024-033-190900-
/O.EXT.KCTP.WS.W.0004.000000T0000Z-130319T0900Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
1017 PM EDT MON MAR 18 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM EDT TUESDAY...

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...FREEZING RAIN.

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

* TIMING...OCCASIONAL FREEZING RAIN OR DRIZZLE WILL FALL OVER 
  THE AREA THROUGH MUCH OF THE NIGHT. AFTER 2 AM...TEMPERATURES 
  WILL LIKELY RISE ABOVE FREEZING IN MANY AREAS...BUT MAY REMAIN 
  BELOW FREEZING ON THE RIDGE TOPS. LIGHT RAIN OR FREEZING RAIN 
  WILL LIKELY TAPER OFF BY AROUND DAWN. 

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS. 
  ISOLATED POWER OUTAGES ARE POSSIBLE DUE TO FREEZING RAIN 
  ACCUMULATING ON TREE LIMBS AND POWER LINES. 

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 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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-017>019-025-026-034-035-037-041-042-045-046-
191200-
/O.CON.KCTP.WS.W.0004.000000T0000Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-BEDFORD-FULTON-
TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...BEDFORD...
MCCONNELLSBURG...MANSFIELD...WELLSBORO...LAPORTE...LOCK HAVEN...
WILLIAMSPORT
1017 PM EDT MON MAR 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...MIXED PRECIPITATION.

* ACCUMULATIONS...LITTLE IF ANY ADDITIONAL SNOW ACCUMULATION. ICE
  ACCUMULATIONS OF A TENTH TO A QUARTER INCH.

* TIMING...MIXED PRECIPITATION WILL CHANGE TO FREEZING RAIN LATE 
  THIS EVENING. ALTHOUGH TEMPERATURES WILL SLOWLY RISE 
  OVERNIGHT...POCKETS OF FREEZING RAIN WILL PERSIST THROUGH THE 
  EARLY MORNING HOURS OF TUESDAY. 

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS. 
  ISOLATED POWER OUTAGES ARE POSSIBLE DUE TO FREEZING RAIN 
  ACCUMULATING ON TREE LIMBS AND POWER LINES. 

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-191200-
/O.CON.KCTP.WW.Y.0017.000000T0000Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
1017 PM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE SUSQUEHANNA 
  VALLEY. 

* HAZARD TYPES...FREEZING RAIN.

* ACCUMULATIONS...A LIGHT GLAZE OF ICE IS POSSIBLE.

* TIMING...OCCASIONAL LIGHT RAIN OR FREEZING WILL FALL THROUGH
  MUCH OF THE NIGHT. ALTHOUGH TEMPERATURES WILL BE SLOWLY RISING
  OVERNIGHT...POCKETS OF FREEZING RAIN OR DRIZZLE COULD PERSIST
  THROUGH DAWN...MAINLY OVER THE HIGHER ELEVATIONS NORTH OF
  HARRISBURG.

* IMPACTS...TRAVEL ON UNTREATED ROADS COULD BE HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$
069 
WWUS41 KCTP 190345
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1145 PM EDT MON MAR 18 2013

PAZ024-033-190900-
/O.CAN.KCTP.WS.W.0004.000000T0000Z-130319T0900Z/
/O.EXB.KCTP.WW.Y.0017.000000T0000Z-130319T0900Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
1145 PM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EDT TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR PERIODS OF LIGHT FREEZING RAIN...WHICH IS IN
EFFECT UNTIL 5 AM EDT TUESDAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* LOCATIONS...THE LAUREL HIGHLANDS.

* HAZARD TYPES...FREEZING RAIN.

* ACCUMULATIONS....LESS THAN ONE TENTH OF AN INCH OF ICE.

* TIMING...OCCASIONAL FREEZING RAIN OR DRIZZLE WILL FALL OVER 
  THE AREA THROUGH MUCH OF THE NIGHT. AFTER 2 AM...TEMPERATURES 
  WILL LIKELY RISE ABOVE FREEZING IN MANY AREAS...BUT MAY REMAIN 
  BELOW FREEZING ON THE RIDGE TOPS. LIGHT RAIN OR FREEZING RAIN 
  WILL LIKELY TAPER OFF BY AROUND DAWN. 

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ005-006-010>012-017>019-025-026-034-035-037-041-042-045-046-
190900-
/O.CAN.KCTP.WS.W.0004.000000T0000Z-130319T1200Z/
/O.EXA.KCTP.WW.Y.0017.000000T0000Z-130319T1200Z/
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-BEDFORD-FULTON-
TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-
INCLUDING THE CITIES OF...BRADFORD...COUDERSPORT...ST. MARYS...
RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...PHILIPSBURG...
STATE COLLEGE...ALTOONA...HUNTINGDON...MOUNT UNION...BEDFORD...
MCCONNELLSBURG...MANSFIELD...WELLSBORO...LAPORTE...LOCK HAVEN...
WILLIAMSPORT
1145 PM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR OCCASIONAL FREEZING RAIN...WHICH IS IN EFFECT
UNTIL 8 AM EDT TUESDAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* LOCATIONS...THE CENTRAL MOUNTAINS OF PENNSYLVANIA.

* HAZARD TYPES...MIXED PRECIPITATION.

* ACCUMULATIONS....BETWEEN ONE AND TWO TENTHS OF AN INCH OF ICE.

* TIMING...PERIODS OF FREEZING RAIN MIXED WITH SLEET WILL CHANGE
  TO ALL FREEZING RAIN AFTER MIDNIGHT. ALTHOUGH TEMPERATURES WILL
  SLOWLY RISE OVERNIGHT...POCKETS OF FREEZING RAIN WILL PERSIST
  THROUGH THE EARLY MORNING HOURS OF TUESDAY.

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BE HAZARDOUS. 

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

PAZ004-027-028-036-049>053-056>059-063>066-190900-
/O.CON.KCTP.WW.Y.0017.000000T0000Z-130319T1200Z/
WARREN-MIFFLIN-JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...WARREN...LEWISTOWN...MIFFLINTOWN...
CHAMBERSBURG...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...
SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...
HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...
LANCASTER
1145 PM EDT MON MAR 18 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...

* LOCATIONS...NORTHWEST PENNSYLVANIA...AND THE SUSQUEHANNA 
  VALLEY. 

* HAZARD TYPES...FREEZING RAIN.

* ACCUMULATIONS....LESS THAN A TENTH OF AN INCH.

* TIMING...OCCASIONAL LIGHT RAIN OR FREEZING WILL FALL THROUGH 
  MUCH OF THE NIGHT. ALTHOUGH TEMPERATURES WILL BE SLOWLY RISING 
  OVERNIGHT...POCKETS OF FREEZING RAIN OR DRIZZLE COULD PERSIST 
  THROUGH DAWN...MAINLY OVER THE HIGHER ELEVATIONS NORTH OF 
  HARRISBURG. 

* IMPACTS...TRAVEL ON UNTREATED ROADS COULD BE HAZARDOUS.

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 AND USE THE HASHTAG C...T...P...W...X.

&&

$$

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 Mar 17, 2:18 AM EDT, 48 minutes earlier.

Area forecast discussion, Mar 17, 2:18 AM EDT, 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
218 AM EDT SUN MAR 17 2013

.SYNOPSIS...
HIGH PRESSURE WILL DRIFT OVER GREAT LAKES TODAY AND SLOWLY RETREAT
INTO NORTHERN NEW ENGLAND ON MONDAY. A EAST-WEST FRONTAL ZONE
STALLED OUT TO THE SOUTH OF CENTRAL PENNSYLVANIA TODAY WILL LIFT
NORTHEAST AND MERGE WITH A STRONG UPPER LEVEL TROUGH AND
ASSOCIATED COLD FRONT ADVANCING EASTWARD FROM THE
MIDWEST...BRINGING WIDESPREAD MIXED PRECIPITATION TO THE REGION
FROM LATE TONIGHT THROUGH MONDAY. A COLD NORTHWEST FLOW PATTERN
WILL DEVELOP BEHIND THE DEPARTING FRONTAL SYSTEM INTO MID-WEEK.
HIGH LATITUDE BLOCKING WILL KEEP AN UPPER TROUGH OVER THE EASTERN
U.S. FOR THE FORESEEABLE FUTURE...WITH BELOW NORMAL TEMPERATURES
LIKELY CONTINUING INTO THE END OF THE MONTH.

&&

.NEAR TERM /UNTIL 6 AM THIS MORNING/...
PRECIP HAS ENDED ACROSS CENTRAL PA LATE THIS EVENING...AS SFC LOW
PUSHES EAST OF THE DELMARVA PENINSULA.

SOME BREAKS IN THE STRATO-CU NOTED UPSTREAM...AND AS HIGH
PRESSURE PRESSES IN FROM THE GRT LKS OVERNIGHT EXPECT PARTIAL
CLEARING TAKE PLACE ACROSS CENTRAL PA. BREAKING CLOUDS AND ADVECTION
OF COLDER/DRIER AIR SHOULD ALLOW TEMPS TO FALL INTO THE M/UTEENS
ACROSS THE N MTNS LATE TONIGHT...WHILE THE REST OF CENTRAL PA
BOTTOMS OUT IN THE 20S. DENSE FOG BEING OBSERVED ACROSS THE RIDGES
OF THE LAUREL HIGHLANDS LATE THIS EVENING. WILL KEEP MENTION OF
FOG IN THIS AREA THRU ARND 09Z. MDLS SUGGEST NORTHERLY FLOW WILL
ADVECT DRIER AIR INTO THE LAURELS AFTER 09Z...CAUSING FOG TO
DISSIPATE.

&&

.SHORT TERM /6 AM THIS MORNING THROUGH 6 PM MONDAY/...
HIGH PRES PASSING NORTH OF PA SHOULD ENSURE A DRY SUNDAY ACROSS
NEARLY ALL OF CENTRAL PA. WILL HAVE TO WATCH A FAST-MOVING
SHORTWAVE...OVR THE PLAINS THIS EVENING...AS IT RACES SOUTH OF PA
SUN AFTN. A BATCH OF LIGHT WINTRY PRECIP WILL LIKELY ACCOMPANY
THIS FEATURE AS IT RIDES ALONG QUASI-STATIONARY FRONT OVR THE TENN
VALLEY AND S APPALACHIANS. CAN/T COMPLETELY RULE OUT A BIT OF LGT
SNOW GETTING AS FAR NORTH AS THE MASON DIXON LINE...BUT WILL KEEP
POPS ALONG OUR S TIER NO HIGHER THAN 20 PERCENT BASED ENSEMBLE
QPF.

WAA ALOFT AHEAD OF SHORTWAVE WILL LIKELY SPREAD A GOOD DEAL OF
CIRRUS ACROSS THE AREA ON SUNDAY...ESP OVR THE SOUTH. BASED ON
LIMITED SUNSHINE AND LATEST MDL 8H TEMPS...HAVE TRENDED TEMPS
LOWER ON SUNDAY...RANGING FROM THE U20S OVR THE NW MTNS...TO THE
U30S ACROSS THE LOWER SUSQ.

&&

.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
1030MB HIGH PRES RETREATING INTO NRN NEW ENGLAND WITH WIDESPREAD
COLD AIR DAMMING INITIALLY ENTRENCHED ALONG/EAST OF THE ALLEGHENIES
WILL SET THE STAGE FOR A LATE-SEASON MIXED PRECIP EVENT ON
MONDAY...AS A STRONG EAST-WEST FRONTAL SYSTEM LIFTS NORTHEAST FROM
THE OHIO VALLEY AND MERGES WITH A POTENT SHORTWAVE AND ASSOCIATED
COLD FRONT SWEEPING EWD INTO THE MID-ATLC AND NORTHEAST STATES.
BEHIND THE DEPARTING SYSTEM...THE LARGE SCALE PATTERN WILL BE
DRIVEN BY HIGH LATITUDE BLOCKING/POSITIVE HEIGHT ANOMALY SLOWLY
RETROGRADING WWD FROM GREENLAND INTO NORTH-CENTRAL CANADA. THE END
RESULT IN THIS VERY NEGATIVE AO PATTERN IS PERSISTENT TROUGHING
IN-PLACE OVER THE EASTERN U.S. THROUGH MARCH 26-27. THE 00Z LONG
RANGE BIAS-CORRECTED GEFS SUGGESTS THE -AO PATTERN BREAKS DOWN
DURING THE FINAL DAYS OF MARCH 2013.

MODELS ARE IN GOOD AGREEMENT WITH A SFC WAVE TRACKING FROM THE
LWR MS VLY NEWD INTO THE OH VLY ON MONDAY. ROBUST ISENT LIFT
AHEAD OF THE WAVE COUPLED WITH STRONG 850MB MOISTURE FLUX VIA 40KT
SWLY LLJ SHOULD PRODUCE A BROAD AREA OF WAA PRECIP EXPANDING OVER
THE AREA BY MON AFTN. THE PRECIP WILL BE OVERSPREADING A
RETREATING COLD SECTOR WHICH SHOULD LEAD TO A PERIOD OF SNOW
AT THE ONSET...FOLLOWED BY A TRANSITION TO SLEET/FREEZING RAIN OR
PLAIN RAIN AS WARM AIR SURGES IN ALOFT AHEAD OF THE COLD FRONT.
GIVEN THE COMPLEXITY/UNCERTAINTY ASSOCIATED WITH THERMAL
PROFILES...THE DAY 3 WINTER WX GRIDS WERE DERIVED FROM WPC
GUIDANCE WHICH USED A GENERAL CONSENSUS BLEND OF THE OPERATIONAL
GFS/ECMWF AND THEIR RESPECTIVE MEANS FOR BOTH QPF AND PTYPE.
SNOWFALL PROBABILITY CHARTS DERIVED FROM THE WPC INTERNAL WWD AND
MULTI-MODEL/ENSEMBLE DISTRIBUTION SHOW THE BEST CHANCE FOR LGT TO
PERHAPS MOD ACCUMS OVER THE INTERIOR N-CENTRAL MTNS. OTHER FACTORS
TO CONSIDER FOR ACCUMS INCLUDE DIURNAL/CLIMO EFFECTS...MARGINAL
BLYR TEMPS AND ELEVATION.

NW FLOW UNDER COLD CYCLONIC FLOW ALOFT WITH SLOW-MOVING H5 LOW
SLOWLY MIGRATING INTO THE MARITIMES WILL KEEP LGT PCPN IN THE
FCST OVER THE FAVORED LAKE-EFFECT/UPSLOPE AREAS. NO SIGN OF "WARM"
AIR ON THE IMMEDIATE HORIZON WITH BELOW NORMAL TEMPS EXPECTED
THROUGH THE UPCOMING WEEK.

&&

.AVIATION /06Z SUNDAY THROUGH THURSDAY/...
LOW CIGS WILL REMAIN TRAPPED UNDER LLVL INVERSION ASSOCIATED WITH
DOME OF HIGH PRES BUILDING EWD ACRS THE GREAT LAKES. IFR CONDS OVR
THE WRN MTS SHOULD IMPROVE TO VFR...WITH LOW END MVFR CIGS COMING
UP 1000' OR SO THRU THE MORNING. WEAK DOWNSLOPE SHOULD SPELL
RETURN TO VFR CONDS IN THE EAST BY DAYBREAK.

DIURNAL EFFECT/BLYR MIXING AND VEERING LLVL WINDS /TO A MORE
NORTHERLY DIRECTION/ SHOULD ERODE MOST OF THE LOW CLOUDS THROUGH
THE MORNING HOURS...WITH GUIDANCE INDICATING VFR CONDS AT ALL
TERMINALS BY THIS AFTN. FCST THE EROSION OF THE LOW CLOUDS LATER
IN THE 06Z TAFS...FOLLOWED BY BKN-OVC MID TO HIGH CLOUD DECK
ALREADY EVIDENT ON IR SATL IMAGERY STREAMING EWD ALONG OH RVR
INVOF STALLED E-W FRONTAL ZONE. THIS BOUNDARY WILL LIFT NORTHEAST
LATE TONIGHT INTO MONDAY...EVENTUALLY MERGING WITH STRONG UPPER
LEVEL TROUGH AND ASSOCIATED COLD FRONT ADVANCING EWD FROM THE
MIDWEST. THIS COMPLEX SYSTEM WILL SPREAD PRECIPITATION INTO A
RETREATING COLD SECTOR WITH A MESSY MIXED PCPN SCENARIO/VERY POOR
FLYING CONDS UNFOLDING MON INTO MON NGT.

OUTLOOK...

LATE TNT-MON...MIXED PCPN SPREADING FM SW TO NE WITH DEVELOPING
WIDESPREAD IFR AND LIFR CONDS. LLWS.

TUE-THU...GUSTY WEST TO NW FLOW. MVFR/IFR WITH OCNL -SHSN WEST.
MAINLY VFR SE.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

SYNOPSIS...STEINBUGL
NEAR TERM...FITZGERALD/LA CORTE
SHORT TERM...FITZGERALD/LA CORTE
LONG TERM...GARTNER/STEINBUGL
AVIATION...STEINBUGL
Hazardous weather outlook, Mar 16, 4:49 AM EDT, 22 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
449 AM EDT SAT MAR 16 2013

PAZ004>006-010>012-017>019-024-025-037-041-042-045-046-049>053-058-
170900-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-TIOGA-
NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
449 AM EDT SAT MAR 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.
A WAVE OF LOW PRESSURE AND POTENT DISTURBANCE ALOFT WILL RIDE EAST
AND OVER A STALLED OUT FRONTAL BOUNDARY LOCATED JUST SOUTH OF THE
MASON...DIXON LINE TODAY. SNOW OF VARYING INTENSITY WILL
OVERSPREAD THE REGION DURING THE MID TO LATE MORNING HOURS...AND
CONTINUE THROUGH MUCH OF THIS AFTERNOON. ACCUMULATIONS OF 1 TO 3
INCHES ARE EXPECTED BY THIS EVENING...WITH SOME OF THE RIDGE TOPS
CLOSE TO THE INTERSTATE 80 CORRIDOR POSSIBLY RECEIVING UP TO 4
INCHES OF SNOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
DEEP LOW PRESSURE WILL LIFT NORTHEAST ACROSS LAKE SUPERIOR
MONDAY. A PLUME OF MOISTURE STREAMING NORTHEAST FROM THE LOWER
MISSISSIPPI VALLEY WILL RIDE OVER THE COLD AIR IN PLACE ACROSS THE
REGION LEADING TO A SEVERAL HOUR PERIOD OF SNOW TO START THE DAY
MONDAY. AS WARMER...JUST ABOVE FREEZING AIR SPREADS IN ALOFT
MONDAY AFTERNOON AND EVENING...THE SNOW WILL GRADUALLY MIX WITH
THEN CHANGE TO SLEET AND RAIN BEFORE ENDING AS RAIN SHOWERS EARLY
MONDAY NIGHT. A LIGHT TO MODERATE ACCUMULATION OF SNOW AND SLEET
IS EXPECTED TO OCCUR ON MONDAY.

.SPOTTER INFORMATION STATEMENT...

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

PAZ026>028-033-034-170900-
HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-
449 AM EDT SAT MAR 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.
A WAVE OF LOW PRESSURE AND POTENT DISTURBANCE ALOFT WILL RIDE
EAST AND OVER A STALLED OUT FRONTAL BOUNDARY LOCATED JUST SOUTH OF
THE MASON...DIXON LINE TODAY. WET SNOW...MIXED WITH RAIN AT TIMES
WILL OCCUR TODAY. LITTLE OR NOW SNOW ACCUMULATION IS EXPECTED IN
THE VALLEYS OF NEAR THE PENNSYLVANIA...MARYLAND BORDER...WHILE
SOME OF THE HIGHER TERRAIN NORTH OF THE PENNSYLVANIA TURNPIKE WILL
LIKELY SEE 1 TO 2 INCHES OF WET SNOW...MAINLY ON COLDER GRASSY
SURFACES. SOME FREEZING RAIN IS ALSO POSSIBLE THIS MORNING ACROSS
SOMERSET COUNTY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
DEEP LOW PRESSURE WILL LIFT NORTHEAST ACROSS LAKE SUPERIOR
MONDAY. A PLUME OF MOISTURE STREAMING NORTHEAST FROM THE LOWER
MISSISSIPPI VALLEY WILL RIDE OVER THE COLD AIR IN PLACE ACROSS THE
REGION LEADING TO A SEVERAL HOUR PERIOD OF SNOW TO START THE DAY
MONDAY. AS WARMER...JUST ABOVE FREEZING AIR SPREADS IN ALOFT
MONDAY AFTERNOON AND EVENING...THE SNOW WILL GRADUALLY MIX WITH
THEN CHANGE TO SLEET AND RAIN BEFORE ENDING AS RAIN SHOWERS EARLY
MONDAY NIGHT. A LIGHT TO MODERATE ACCUMULATION OF SNOW AND SLEET
IS LIKELY ON MONDAY.

.SPOTTER INFORMATION STATEMENT...

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

PAZ035-036-056-057-059-063>066-170900-
FULTON-FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-
LANCASTER-
449 AM EDT SAT MAR 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.
A WAVE OF LOW PRESSURE AND POTENT DISTURBANCE ALOFT WILL RIDE
EAST AND OVER A STALLED OUT FRONTAL BOUNDARY LOCATED JUST SOUTH OF
THE MASON...DIXON LINE TODAY. WET SNOW...MIXED WITH RAIN AT TIMES
WILL OCCUR TODAY. LITTLE OR NOW SNOW ACCUMULATION IS EXPECTED OVER
MUCH OF THE REGION AS TEMPERATURES WILL HOLD NEARLY STEADY IN THE
MID TO UPPER 30S. HOWEVER...SOME OF THE HIGHER TERRAIN ALONG...AND
TO THE NORTHWEST OF INTERSTATE 81 WILL LIKELY SEE A SLUSHY INCH OF
WET SNOW...MAINLY ON COLDER GRASSY SURFACES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
DEEP LOW PRESSURE WILL LIFT NORTHEAST ACROSS LAKE SUPERIOR
MONDAY. A PLUME OF MOISTURE STREAMING NORTHEAST FROM THE LOWER
MISSISSIPPI VALLEY WILL RIDE OVER THE COLD AIR IN PLACE ACROSS THE
REGION LEADING TO A SEVERAL HOUR PERIOD OF SNOW TO START THE DAY
MONDAY. AS WARMER...JUST ABOVE FREEZING AIR SPREADS IN ALOFT
MONDAY AFTERNOON AND EVENING...THE SNOW WILL CHANGE TO RAIN
BEFORE ENDING AS RAIN SHOWERS EARLY MONDAY NIGHT. A LIGHT
ACCUMULATION OF SNOW WILL LIKELY OCCUR MONDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

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

LAMBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 3:06 AM EDTWinter Storm WatchCTPBedford, Blair, Cameron, Centre, Clearfield, Clinton and 6 more12 hr
Mar 17, 2:47 PM EDTWinter Weather AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more41 hr

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.