Alert archive / Pennsylvania / Winter Storm Warnings in 2012

Winter Storm Warning 4, NWS Philadelphia/Mount Holly

December 25, 2012Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this winter storm warning at Dec 25, 2012, 9:21 PM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Dec 26, 2012, 12:00 PM EST. 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
Dec 25, 2012, 9:21 PM EST (02:21 UTC)
In effect from
Dec 26, 2012, 12:00 PM EST
Expired
Dec 27, 2012, 10:00 AM EST
In force
22 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 02:21 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

Brookhaven, NY (KOKX), launched 00:00Z, 2.4 hours before the alert went out and 201 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, Brookhaven, NY at 00:00Z on 2012-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -159 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
820 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-159 m²/s²
0-3 km storm-relative helicity
99 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.

976 
WWUS41 KPHI 260221
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
921 PM EST TUE DEC 25 2012

NJZ001-PAZ054-055-261100-
/O.UPG.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/
/O.NEW.KPHI.WS.W.0004.121226T1700Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
921 PM EST TUE DEC 25 2012

...WINTER STORM WARNING IN EFFECT FROM NOON WEDNESDAY TO NOON EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR A MIXTURE OF SNOW, SLEET AND FREEZING RAIN WHICH
IS IN EFFECT FROM NOON WEDNESDAY TO NOON EST THURSDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...THE WINTER STORM WARNING HAS BEEN POSTED FOR CARBON
  AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW
  JERSEY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES. 

* ICE ACCUMULATIONS...TWO TENTHS TO FOUR TENTHS OF AN INCH.

* TIMING...SNOW SHOULD OVERSPREAD THE WARNING AREA WEDNESDAY
  AFTERNOON AND MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN AT
  TIMES WEDNESDAY NIGHT. THE WINTRY MIX SHOULD THEN END LATER
  THURSDAY MORNING.
 
* HAZARD TYPES...SNOW... SLEET AND FREEZING RAIN ARE EXPECTED
  WEDNESDAY AFTERNOON INTO THURSDAY MORNING. 

* IMPACTS...TRAVEL ON UNTREATED ROADWAYS WILL BECOME VERY
  HAZARDOUS. ICE ACCUMULATIONS MIGHT ALSO CAUSE SOME ISOLATED POWER
  OUTAGES.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

* TEMPERATURES...SHOULD REMAIN AT OR SLIGHTLY BELOW FREEZING
  THROUGHOUT THE EVENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ007-008-PAZ060>062-261100-
/O.NEW.KPHI.WW.Y.0009.121226T1700Z-121227T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
921 PM EST TUE DEC 25 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 7 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF SNOW, SLEET AND FREEZING
RAIN... WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 7 AM EST
THURSDAY.

* LOCATIONS...BERKS COUNTY, THE LEHIGH VALLEY AND WARREN AND
  MORRIS COUNTIES IN NORTHERN NEW JERSEY.

* HAZARD TYPES...A MIXTURE OF SNOW, SLEET AND FREEZING RAIN.

* SNOW ACCUMULATIONS...1 TO 4 INCHES, HIGHEST TOWARD THE POCONOS
  AND SUSSEX COUNTY NEW JERSEY.

* ICE ACCUMULATIONS...A TRACE TO A TENTH OF AN INCH.

* TIMING...PRECIPITATION SHOULD OVERSPREAD THE AREA BY WEDNESDAY
  AFTERNOON AND CHANGE TO SNOW AS IT BECOMES HEAVIER.
  PRECIPITATION WILL THEN CHANGE TO SLEET AND FREEZING RAIN LATE
  IN THE AFTERNOON OR EVENING AND TO PLAIN RAIN OVERNIGHT
  WEDNESDAY. ISOLATED POCKETS OF FREEZING RAIN MIGHT PERSIST
  DEEPER INTO THE NIGHT.

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS,
  ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME
  CAUTION ON BRIDGES AND OVERPASSES. 

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.

* TEMPERATURES...IN THE LOWER 30S DURING PRECIPITATION, RISING SLOWLY
  OVERNIGHT ON WEDNESDAY.

* VISIBILITIES...ONE HALF A MILE AT TIMES IN SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

SZATKOWSKI/GIGI
5 follow-up statements
802 
WWUS41 KPHI 260832
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 AM EST WED DEC 26 2012

NJZ001-PAZ054-055-262200-
/O.CON.KPHI.WS.W.0004.121226T1700Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
332 AM EST WED DEC 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON
EST THURSDAY...

* LOCATIONS...CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND
  SUSSEX COUNTY NEW JERSEY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

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

* TIMING...SNOW SHOULD OVERSPREAD THE WARNING AREA LATE THIS
  MORNING AND EARLY THIS AFTERNOON...THEN MIX WITH AND CHANGE TO
  SLEET AND FREEZING RAIN AT TIMES TONIGHT. THE WINTRY MIX SHOULD
  THEN END LATER THURSDAY MORNING.

* HAZARD TYPES...SNOW... SLEET AND FREEZING RAIN ARE EXPECTED 
  WEDNESDAY AFTERNOON INTO THURSDAY MORNING.

* IMPACTS...TRAVEL ON UNTREATED ROADWAYS WILL BECOME VERY 
  HAZARDOUS. ICE ACCUMULATIONS MIGHT ALSO CAUSE SOME ISOLATED 
  POWER OUTAGES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ007-008-PAZ060>062-262200-
/O.CON.KPHI.WW.Y.0009.121226T1700Z-121227T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
332 AM EST WED DEC 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
7 AM EST THURSDAY...

* LOCATIONS...BERKS COUNTY... THE LEHIGH VALLEY AND WARREN AND 
  MORRIS COUNTIES IN NORTHERN NEW JERSEY.

* HAZARD TYPES...A MIXTURE OF SNOW... SLEET AND FREEZING RAIN.

* SNOW ACCUMULATIONS...1 TO 3 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE.

* TIMING...SNOW WILL OVERSPREAD THE REGION THIS MORNING AND EARLY
  THIS AFTERNOON. THE SNOW WILL MIX WITH SLEET AND FREEZING RAIN
  AT TIMES THIS AFTERNOON AND THIS EVENING. THE PRECIPITATION IS
  EXPECTED TO CHANGE TO PLAIN RAIN LATER THIS EVENING.

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS... 
  ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME 
  CAUTION ON BRIDGES AND OVERPASSES.

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

* TEMPERATURES...IN THE MID 30S.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
767 
WWUS41 KPHI 262108
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
408 PM EST WED DEC 26 2012

NJZ001-PAZ054-055-270515-
/O.CON.KPHI.WS.W.0004.000000T0000Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
408 PM EST WED DEC 26 2012

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

* LOCATIONS...CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND 
  SUSSEX COUNTY NEW JERSEY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* ICE ACCUMULATIONS...AROUND ONE QUARTER OF AN INCH.

* TIMING...SNOW WILL MIX WITH AND CHANGE TO SLEET AND FREEZING
  RAIN AT TONIGHT. THE WINTRY MIX SHOULD THEN END LATER THURSDAY
  MORNING.

* HAZARD TYPES...SNOW... SLEET AND THEN FREEZING RAIN ARE EXPECTED
  TONIGHT INTO THURSDAY MORNING.

* IMPACTS...TRAVEL ON UNTREATED ROADWAYS WILL BECOME VERY 
  HAZARDOUS. ICE ACCUMULATIONS MIGHT ALSO CAUSE SOME ISOLATED 
  POWER OUTAGES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* VISIBILITIES...HALF A MILE OR LESS AT TIMES IN SNOW. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ009-010-PAZ101-103-105-270000-
/O.EXB.KPHI.WW.Y.0009.000000T0000Z-121227T0000Z/
HUNTERDON-SOMERSET-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...HONEY BROOK...
OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE
408 PM EST WED DEC 26 2012

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW SLEET AND FREEZING RAIN...WHICH IS IN
EFFECT UNTIL 7 PM EST THIS EVENING.

* LOCATIONS...THE UPPER RARITAN BASIN IN NEW JERSEY AND THE 
  PHILADELPHIA NORTHWEST SUBURBS. 

* HAZARD TYPES...A MIXTURE OF SNOW... SLEET AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATION OF AROUND ONE INCH...ALONG
  WITH LESS THAN A TENTH OF AN INCH OF ICE.
 
* TIMING...SNOW IS TRANSITIONING TO SLEET AND FREEZING RAIN. AS
  TEMPERATURES RISE PLAIN RAIN SHOULD PREDOMINATE BY THIS EVENING.
 
* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS... 
  ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME 
  CAUTION ON BRIDGES AND OVERPASSES.

* WINDS...NORTHEAST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...RISING INTO THE MID 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

NJZ007-008-PAZ060>062-270515-
/O.CON.KPHI.WW.Y.0009.000000T0000Z-121227T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
408 PM EST WED DEC 26 2012

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

* LOCATIONS...BERKS COUNTY...THE LEHIGH VALLEY AND WARREN AND
  MORRIS COUNTIES IN NORTHERN NEW JERSEY.

* HAZARD TYPES...A MIXTURE OF SNOW... SLEET AND FREEZING RAIN.

* SNOW ACCUMULATIONS...2 TO 4 INCHES.

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

* TIMING...THE SNOW WILL MIX WITH SLEET AND FREEZING RAIN AT TIMES THIS
  EVENING. THE PRECIPITATION IS EXPECTED TO CHANGE TO PLAIN RAIN
  LATER THIS EVENING.

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS... 
  ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME 
  CAUTION ON BRIDGES AND OVERPASSES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TEMPERATURES...IN THE LOWER 30S RISING INTO THE MID 30S.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

DELISI/GIGI
119 
WWUS41 KPHI 270001
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
701 PM EST WED DEC 26 2012

NJZ009-010-PAZ101-103-105-270115-
/O.CAN.KPHI.WW.Y.0009.000000T0000Z-121227T0000Z/
HUNTERDON-SOMERSET-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...HONEY BROOK...
OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE
701 PM EST WED DEC 26 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WINTER WEATHER ADVISORY.

TEMPERATURES HAVE RISEN ABOVE THE FREEZING MARK AND PRECIPITATION
HAS CHANGED OVER TO PLAIN RAIN. AS A RESULT, THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED.

$$

NJZ001-PAZ054-055-271200-
/O.CON.KPHI.WS.W.0004.000000T0000Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
701 PM EST WED DEC 26 2012

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

* LOCATIONS...CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND 
  SUSSEX COUNTY NEW JERSEY.

* SNOW ACCUMULATIONS...2 TO 4 INCHES EXPECTED IN THE VALLEYS WITH
  4 TO 8 INCHES ACROSS THE HIGHER TERRAIN. 

* ICE ACCUMULATIONS...AROUND ONE QUARTER OF AN INCH.

* TIMING...SNOW WILL MIX WITH AND CHANGE TO SLEET AND FREEZING 
  RAIN AT TONIGHT. THE WINTRY MIX SHOULD THEN END LATER THURSDAY 
  MORNING.

* HAZARD TYPES...SNOW... SLEET AND THEN FREEZING RAIN ARE 
  EXPECTED TONIGHT INTO THURSDAY MORNING.

* IMPACTS...TRAVEL ON UNTREATED ROADWAYS WILL BECOME VERY
  HAZARDOUS. ICE ACCUMULATIONS MIGHT IS CAUSING AND WILL CONTINUE
  TO CAUSE POWER OUTAGES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* VISIBILITIES...HALF A MILE OR LESS AT TIMES IN SNOW.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ007-008-PAZ060>062-271200-
/O.CON.KPHI.WW.Y.0009.000000T0000Z-121227T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
701 PM EST WED DEC 26 2012

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

* LOCATIONS...BERKS COUNTY...THE LEHIGH VALLEY AND WARREN AND 
  MORRIS COUNTIES IN NORTHERN NEW JERSEY.

* HAZARD TYPES...A MIXTURE OF SNOW... SLEET AND FREEZING RAIN.

* SNOW ACCUMULATIONS...2 TO 4 INCHES.

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

* TIMING...THE SNOW WILL MIX WITH SLEET AND FREEZING RAIN AT 
  TIMES THIS EVENING. THE PRECIPITATION IS EXPECTED TO CHANGE TO 
  PLAIN RAIN LATER THIS EVENING.

* IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS... 
  ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME 
  CAUTION ON BRIDGES AND OVERPASSES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TEMPERATURES...IN THE LOWER 30S RISING INTO THE MID 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MEOLA/GIGI
788 
WWUS41 KPHI 270830
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 AM EST THU DEC 27 2012

NJZ001-PAZ054-055-271700-
/O.CON.KPHI.WS.W.0004.000000T0000Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
330 AM EST THU DEC 27 2012

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

* LOCATIONS...THE POCONO REGION OF PENNSYLVANIA AND FAR NORTHERN
  NEW JERSEY.

* HAZARD TYPES...LINGERING LIGHT SNOW THIS MORNING ALONG WITH
  AREAS OF FREEZING RAIN.

* SNOW ACCUMULATIONS...LITTLE OR NO ADDITIONAL SNOW ACCUMULATION
  THIS MORNING.

* ICE ACCUMULATIONS...SOME SPOTS MAY PICK UP AN ADDITIONAL TENTH
  OF AN INCH OF ICE THIS MORNING.

* TEMPERATURES...MAINLY IN THE UPPER 20S AND LOWER 30S.

* IMPACTS...UNTREATED ROADS AND WALKWAYS WILL REMAIN HAZARDOUS
  FROM THE ACCUMULATION OF SNOW AND ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS WINTER STORM WARNING COVERS THE SIGNIFICANT AMOUNTS OF SNOW
THAT HAVE ALREADY FALLEN ALONG WITH AN ADDITIONAL ACCUMULATION OF
ICE THAT IS EXPECTED THIS MORNING. TRAVEL WILL REMAIN DIFFICULT
THIS MORNING AT MOST LOCATIONS IN THE WARNING AREA.

&&

$$

NJZ007-008-PAZ060>062-271500-
/O.EXT.KPHI.WW.Y.0009.000000T0000Z-121227T1500Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
330 AM EST THU DEC 27 2012

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

* LOCATIONS...BERKS COUNTY AND THE LEHIGH VALLEY IN PENNSYLVANIA,
  AS WELL AS THE NEW JERSEY COUNTIES OF WARREN AND MORRIS.

* HAZARD TYPES...AREAS OF FREEZING RAIN.

* ICE ACCUMULATIONS...LESS THAN A TENTH OF AN INCH WHERE FREEZING
  RAIN OCCURS.

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

* IMPACTS...UNTREATED ROADS AND WALKWAYS WILL BECOME HAZARDOUS
  WHERE ICE ACCUMULATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS WINTER WEATHER ADVISORY MEANS THAT A LIGHT ICE ACCUMULATION
IS POSSIBLE IN PARTS OF THE ADVISORY AREA. BE PREPARED FOR
SLIPPERY ROADS AND WALKWAYS, AND USE EXTRA CAUTION.

&&

$$

IOVINO
807 
WWUS41 KPHI 271500
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1000 AM EST THU DEC 27 2012

NJZ001-PAZ054-055-271600-
/O.CAN.KPHI.WS.W.0004.000000T0000Z-121227T1700Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
1000 AM EST THU DEC 27 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WINTER STORM WARNING.

THE THREAT OF FREEZING RAIN HAS ENDED. SNOW SHOWER ACTIVITY INTO
THE AFTERNOON MAY DROP UP TO AN ADDITIONAL INCH OF SNOW. 

$$

NJZ007-008-PAZ060>062-271600-
/O.CAN.KPHI.WW.Y.0009.000000T0000Z-121227T1500Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
1000 AM EST THU DEC 27 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WINTER WEATHER ADVISORY.

THE THREAT OF FREEZING RAIN HAS ENDED. SCATTERED SNOW SHOWER
ACTIVITY INTO THE AFTERNOON MAY DROP A LIGHT COATING OF SNOW ON
GRASSY SURFACES.

$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 25, 9:21 PM ESTWinter Weather AdvisoryPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton37 hr
Dec 26, 2:45 PM ESTCoastal Flood AdvisoryPHIDelaware, Philadelphia19 hr
Dec 26, 3:26 AM ESTStorm WarningPHI22 hr
Dec 26, 3:40 AM ESTWind AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more21 hr
Dec 26, 2:45 PM ESTCoastal Flood WarningPHIMiddlesex, Monmouth19 hr
Dec 26, 2:45 PM ESTCoastal Flood AdvisoryPHIOcean19 hr
Dec 26, 2:51 PM ESTHigh Wind WarningPHIMiddlesex, Monmouth, Ocean10 hr

Nearby

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

Sources

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