Alert archive / Pennsylvania / Winter Storm Watches in 2014

Winter Storm Watch 5, NWS Philadelphia/Mount Holly

February 3, 20148 counties in Pennsylvania; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this winter storm watch at Feb 3, 2014, 3:11 PM EST for 8 counties in Pennsylvania; 4 counties in New Jersey. It took effect at Feb 5, 2014, 1:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 3, 2014, 3:11 PM EST (20:11 UTC)
In effect from
Feb 5, 2014, 1:00 AM EST
Expired
Feb 4, 2014, 3:45 AM EST
In force
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 106 km from the middle of the area, began a volume at 20:11 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.2 hours before the alert went out and 148 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, Phillips Aaf/Abe, MD at 12:00Z on 2014-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2014-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117Sfc1 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
488 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
626 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.

243 
WWUS41 KPHI 032011
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
311 PM EST MON FEB 3 2014

NJZ007>009-PAZ060>062-101>105-040400-
/O.CAN.KPHI.WS.W.0004.000000T0000Z-140203T2200Z/
/O.NEW.KPHI.WS.A.0005.140205T0600Z-140205T2200Z/
WARREN-MORRIS-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
EASTERN CHESTER-WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON...
READING...ALLENTOWN...BETHLEHEM...EASTON...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE
311 PM EST MON FEB 3 2014

...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON. THE WINTER STORM WARNING FOR THE CURRENT SNOW HAS
BEEN CANCELLED.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES...ALONG WITH
  ICE ACCUMULATIONS AROUND A TENTH OF AN INCH.

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

* TIMING...THE NEXT SYSTEM WILL AFFECT THE AREA BEGINNING EARLY
  TUESDAY NIGHT AND LAST INTO WEDNESDAY.

* IMPACTS...WIDESPREAD HAZARDOUS TRAVEL WILL OCCUR AGAIN TUESDAY
  NIGHT AND LAST INTO WEDNESDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

NJZ010-012>015-017>020-026-027-PAZ070-071-106-032115-
/O.CAN.KPHI.WS.W.0004.000000T0000Z-140203T2200Z/
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...
SANDY HOOK...TRENTON...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...JACKSON...LONG BEACH ISLAND...
WHARTON STATE FOREST...MEDIA...PHILADELPHIA...MORRISVILLE...
DOYLESTOWN
311 PM EST MON FEB 3 2014

...WINTER STORM WARNING IS CANCELLED...

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

THE STEADY SNOW WILL END OVER THE NEXT FEW HOURS. ONLY MINOR
ADDITIONAL ACCUMULATIONS ARE EXPECTED. 

$$

NJZ001-PAZ054-055-040400-
/O.CAN.KPHI.WW.Y.0007.000000T0000Z-140203T2200Z/
/O.NEW.KPHI.WS.A.0005.140205T0600Z-140205T2200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
311 PM EST MON FEB 3 2014

...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON. THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES...ALONG WITH
  ICE ACCUMULATIONS AROUND A TENTH OF AN INCH.

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

* TIMING...THIS NEXT SYSTEM WILL AFFECT THE AREA BEGINNING TUESDAY
  NIGHT AND LASTING INTO WEDNESDAY.

* IMPACTS...WIDESPREAD HAZARDOUS TRAVEL WILL DEVELOP TUESDAY NIGHT
  AND PERSIST INTO WEDNESDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
2 follow-up statements
709 
WWUS41 KPHI 040000
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
700 PM EST MON FEB 3 2014

NJZ001-007>009-PAZ054-055-060>062-101>105-041000-
/O.CON.KPHI.WS.A.0005.140205T0600Z-140205T2200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...JIM THORPE...STROUDSBURG...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...WEST CHESTER...
KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE
700 PM EST MON FEB 3 2014

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY AFTERNOON...

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES...ALONG WITH
  ICE ACCUMULATIONS AROUND A TENTH OF AN INCH

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

* TIMING...THE NEXT SYSTEM WILL AFFECT THE AREA BEGINNING EARLY 
  TUESDAY NIGHT AND LAST INTO WEDNESDAY.

* IMPACTS...WIDESPREAD HAZARDOUS TRAVEL WILL OCCUR AGAIN TUESDAY 
  NIGHT AND LAST INTO WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
710 
WWUS41 KPHI 040845
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 AM EST TUE FEB 4 2014

...ANOTHER WINTER STORM WITH SNOW AND ICE WILL AFFECT MUCH OF THE
AREA LATER TONIGHT AND WEDNESDAY...

NJZ001-007-008-PAZ054-055-042100-
/O.UPG.KPHI.WS.A.0005.140205T0600Z-140205T2200Z/
/O.NEW.KPHI.WS.W.0005.140205T0400Z-140205T2100Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
345 AM EST TUE FEB 4 2014

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 4 PM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR SNOW, SLEET AND SOME FREEZING RAIN, WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO 4 PM EST WEDNESDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

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

* SNOW ACCUMULATIONS...6 TO 10 INCHES.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION LATE THIS EVENING AND
  MAY FALL HEAVY AT TIMES OVERNIGHT, THEN CONTINUING WEDNESDAY.
  THE SNOW THOUGH SHOULD MIX WITH SLEET WEDNESDAY WITH SOME AREAS
  CHANGING OVER TO SOME FREEZING RAIN AND SLEET. THE PRECIPITATION
  SHOULD TAPER OFF DURING WEDNESDAY AFTERNOON.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS DUE TO SNOW COVERED ROADS
  AND REDUCED VISIBILITY LATER TONIGHT AND WEDNESDAY. THE HEAVY
  ACCUMULATION OF SNOW IN ADDITION TO SOME ICING COULD BRING DOWN
  SOME TREE LIMBS AND POWER LINES, RESULTING IN SOME POWER
  OUTAGES. THE WEDNESDAY MORNING COMMUTE WILL BE GREATLY IMPACTED.

* VISIBILITIES...AS LOW AS AROUND ONE HALF MILE DURING TIMES OF
  HEAVIER SNOW.

* WINDS...NORTHEAST AROUND 10 MPH.

* TEMPERATURES...MAINLY IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET, AND
ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
TRAVEL IS NOT RECOMMENDED.

&&

$$

NJZ009-PAZ060>062-101>105-042100-
/O.UPG.KPHI.WS.A.0005.140205T0600Z-140205T2200Z/
/O.NEW.KPHI.WS.W.0005.140205T0400Z-140205T1800Z/
HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
EASTERN CHESTER-WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...WEST CHESTER...
KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE
345 AM EST TUE FEB 4 2014

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 1 PM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR SNOW, SLEET AND FREEZING RAIN, WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO 1 PM EST WEDNESDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

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

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION LATE THIS EVENING AND
  MAY FALL HEAVY AT TIMES. THE SNOW WILL MIX WITH SLEET OVERNIGHT,
  THEN CHANGE TO FREEZING RAIN WEDNESDAY MORNING. THE PRECIPITATION
  SHOULD TAPER OFF DURING WEDNESDAY AFTERNOON.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS DUE TO SNOW COVERED ROADS
  AND REDUCED VISIBILITY LATE TONIGHT AND WEDNESDAY. THE
  ACCUMULATION OF SNOW IN ADDITION TO SIGNIFICANT ICING COULD VERY
  WELL BRING DOWN TREE LIMBS AND POWER LINES, RESULTING IN POWER
  OUTAGES. THE WEDNESDAY MORNING COMMUTE WILL BE GREATLY IMPACTED.

* VISIBILITIES...AS LOW AS AROUND ONE HALF MILE DURING TIMES OF
  HEAVIER SNOW.

* WINDS...NORTHEAST AROUND 10 MPH.

* TEMPERATURES...IN THE UPPER 20S TONIGHT, THEN RISING INTO THE
  LOWER 30S WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET, AND
ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
DUE TO THE COMBINATION OF ACCUMULATING SNOW THEN ICING, BE PREPARED
FOR POSSIBLE POWER OUTAGES.

&&

$$

NJZ010-PAZ106-042100-
/O.NEW.KPHI.WS.W.0005.140205T0400Z-140205T1800Z/
SOMERSET-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...MORRISVILLE...DOYLESTOWN
345 AM EST TUE FEB 4 2014

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 1 PM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR SNOW, SLEET AND FREEZING RAIN, WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO 1 PM EST WEDNESDAY.

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

* SNOW ACCUMULATIONS...2 TO 4 INCHES.

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

* TIMING...SNOW WILL OVERSPREAD THE REGION LATE THIS EVENING, THEN
  MIX WITH SLEET BEFORE CHANGING TO FREEZING RAIN OVERNIGHT. THE
  FREEZING RAIN SHOULD CHANGE TO PLAIN RAIN AROUND MIDDAY
  WEDNESDAY. THE PRECIPITATION SHOULD THEN TAPER OFF DURING
  WEDNESDAY AFTERNOON.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS DUE TO SNOW COVERED ROADS,
  REDUCED VISIBILITY AND THEN ICING LATE TONIGHT AND WEDNESDAY.
  THE ACCUMULATION OF SNOW IN ADDITION TO SIGNIFICANT ICING COULD
  VERY WELL BRING DOWN TREE LIMBS AND POWER LINES, RESULTING IN
  POWER OUTAGES.

* VISIBILITIES...AS LOW AS AROUND ONE HALF MILE WHEN SNOW IS
  OCCURRING.

* WINDS...NORTHEAST AROUND 10 MPH.

* TEMPERATURES...IN THE UPPER 20S TONIGHT, THE RISING INTO THE
  LOWER 30S WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET,
AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
IMPOSSIBLE. DUE TO THE COMBINATION OF ACCUMULATING SNOW THEN ICING,
BE PREPARED FOR POSSIBLE POWER OUTAGES.

&&

$$

DEZ001-MDZ008-NJZ012-015>019-PAZ070-071-042100-
/O.NEW.KPHI.WS.W.0005.140205T0400Z-140205T1400Z/
NEW CASTLE-CECIL-MIDDLESEX-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK...
TRENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA
345 AM EST TUE FEB 4 2014

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR SOME SNOW AND SLEET THEN FREEZING RAIN, WHICH
IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EST WEDNESDAY.

* HAZARD TYPES...SOME SNOW AND SLEET, THEN A PERIOD OF FREEZING
  RAIN.

* SNOW ACCUMULATIONS...1 TO 2 INCHES.

* ICE ACCUMULATIONS...A TENTH TO ONE QUARTER OF AN INCH.

* TIMING...SNOW WILL OVERSPREAD THE REGION TOWARD MIDNIGHT, THEN
  MIX WITH SLEET BEFORE CHANGING TO FREEZING RAIN. THE FREEZING
  RAIN SHOULD CHANGE TO PLAIN RAIN TOWARD MID MORNING WEDNESDAY.
  THE PRECIPITATION SHOULD THEN TAPER OFF DURING WEDNESDAY
  AFTERNOON.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO SNOW OR SLUSH
  COVERED ROADS, REDUCED VISIBILITY AND THEN ICING LATE TONIGHT
  AND WEDNESDAY MORNING. THE ICE ACCUMULATION ON TOP OF THE SNOW
  COULD BRING DOWN SOME TREE LIMBS AND POWER LINES, RESULTING IN
  SOME POWER OUTAGES.

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

* TEMPERATURES...AROUND 30 DEGREES TONIGHT AND EARLY WEDNESDAY
  MORNING, THEN RISING INTO THE MID AND UPPER 30S BY EARLY
  WEDNESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET, AND
ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

DEZ002-MDZ012-015-019-020-NJZ013-020>022-027-042100-
/O.NEW.KPHI.WW.Y.0008.140205T0400Z-140205T1200Z/
KENT-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-WESTERN MONMOUTH-OCEAN-
CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...CHESTERTOWN...CENTREVILLE...
EASTON...DENTON...FREEHOLD...JACKSON...MILLVILLE...HAMMONTON...
WHARTON STATE FOREST
345 AM EST TUE FEB 4 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
7 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
WEATHER ADVISORY FOR A PERIOD OF SNOW, SLEET AND FREEZING RAIN,
WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 7 AM EST WEDNESDAY.

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

* SNOW ACCUMULATIONS...A COATING TO AN INCH.

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

* TIMING...SOME SNOW AND SLEET WILL OVERSPREAD THE AREA LATE THIS
  EVENING, THEN QUICKLY CHANGE OVER TO SLEET AND FREEZING RAIN
  OVERNIGHT INTO EARLY WEDNESDAY MORNING. ANY FREEZING RAIN WILL
  THEN CHANGE TO PLAIN RAIN DURING WEDNESDAY MORNING. THE RAIN SHOULD
  THEN TAPER OFF DURING WEDNESDAY AFTERNOON.

* IMPACTS...A PERIOD OF HAZARDOUS TRAVEL DUE TO SLIPPERY
  CONDITIONS LATER TONIGHT AND EARLY WEDNESDAY MORNING. IT DOES
  NOT TAKE MUCH ICE TO RESULT IN SLIPPERY CONDITIONS, ESPECIALLY
  ON UNTREATED BRIDGES, OVERPASSES AND OTHER ELEVATED SURFACES.

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

* TEMPERATURES...AROUND 30 DEGREES TONIGHT, THEN RISING THROUGH
  THE 30S WEDNESDAY MORNING.

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.

&&

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 9:42 PM ESTSmall Craft AdvisoryPHI35 hr

Nearby

Winter Storm Watches in Pennsylvania, 2014Winter Storm Watches in New Jersey, 2014Every winter storm watch in 2014

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.