Alert archive / Pennsylvania / Winter Storm Watches in 2014

Winter Storm Watch 10, NWS Philadelphia/Mount Holly

November 24, 201410 counties in Pennsylvania; 6 counties in New Jersey

NWS Philadelphia/Mount Holly issued this winter storm watch at Nov 24, 2014, 3:15 AM EST for 10 counties in Pennsylvania; 6 counties in New Jersey. It took effect at Nov 26, 2014, 7:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 24, 2014, 3:15 AM EST (08:15 UTC)
In effect from
Nov 26, 2014, 7:00 AM EST
Expired
Nov 25, 2014, 3:01 PM EST
In force
Issued by
NWS Philadelphia/Mount Holly

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

The radar

The Philadelphia radar (KDIX), 93 km from the middle of the area, began a volume at 08:14 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, 8.3 hours before the alert went out and 200 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 2014-11-24Temperature 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 2014-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 square meters per square second.1939587897Sfc1 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
1579 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
117 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.

102 
WWUS41 KPHI 240815
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
315 AM EST MON NOV 24 2014



NJZ001-007-008-PAZ054-055-241615-
/O.NEW.KPHI.WS.A.0010.141126T1200Z-141127T1200Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
315 AM EST MON NOV 24 2014

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING.

* LOCATIONS...NORTHWEST NEW JERSEY AND THE POCONOS OF SOUTHEAST
  PENNSYLVANIA...ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.

* HAZARD TYPES...HEAVY SNOW

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

* TIMING...PRECIPITATION WILL BEGIN WEDNESDAY MORNING. FOR SOME
  LOCATIONS...THE PRECIPITATION MAY BEGIN AS A RAIN SNOW MIX
  BEFORE CHANGING OVER TO ALL SNOW.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY THROUGH
  THANKSGIVING MORNING IS STRONGLY ENCOURAGED TO STAY TUNED TO THE
  LATEST FORECAST.


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.

&&

$$

JOHNSON
4 follow-up statements
887 
WWUS41 KPHI 242031
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
331 PM EST MON NOV 24 2014

NJZ009-PAZ060>062-101-103-105-250945-
/O.EXB.KPHI.WS.A.0010.141126T1200Z-141127T0600Z/
HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...COLLEGEVILLE...
POTTSTOWN...CHALFONT...PERKASIE
331 PM EST MON NOV 24 2014

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT.

* LOCATIONS...A SMALL PORTION OF NORTHERN NEW JERSEY...THE LEHIGH
  VALLEY DOWN INTO SOUTHEAST PENNSYLVANIA.

* HAZARD TYPES...HEAVY SNOW. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...PRECIPITATION...MOSTLY RAIN...WILL BEGIN NEAR DAWN
  WEDNESDAY. IT WILL PROBABLY QUICKLY TRANSITION TO WET SNOW BY
  MID OR LATE MORNING AND CONTINUE MODERATE TO HEAVY AT TIMES DURING
  THE AFTERNOON BEFORE ENDING DURING THE LATE EVENING WEDNESDAY.

* TEMPERATURES...ABOVE FREEZING EARLY IN THE DAY FALLING TO
  FREEZING DURING THE SNOW AND THEN FALLING ONLY A FEW DEGREES
  BELOW FREEZING AFTER THE SNOW ENDS WEDNESDAY NIGHT.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY MID MORNING WEDNESDAY TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS. WET SNOW MAY COVER ROAD
  SIGNS. THERE IS A SMALL CHANCE WET SNOW COULD KNOCK DOWN A FEW TREE
  LIMBS IF IT ACCUMULATES MORE THAN 4 INCHES ON BRANCHES AND
  WIRES. THIS WOULD RESULT IN A FEW POWER OUTAGES.

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.

&&

$$

NJZ010-015-PAZ070-071-102-104-106-250945-
/O.EXB.KPHI.WS.A.0010.141126T1600Z-141127T0600Z/
SOMERSET-MERCER-DELAWARE-PHILADELPHIA-EASTERN CHESTER-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...TRENTON...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNETT SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
331 PM EST MON NOV 24 2014

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT.

* LOCATIONS...NEARER THE INTERSTATE 95 CORRIDOR FROM NORTH CENTRAL
  NEW JERSEY THROUGH PHILADELPHIA.

* HAZARD TYPES...HEAVY WET SNOW.  

* SNOW ACCUMULATIONS...2 TO 5 INCHES.

* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW SOMETIME DURING MIDDAY OR THE
  AFTERNOON. IT MAY SNOW HEAVY FOR A TIME DURING THE AFTERNOON
  BEFORE SNOW ENDS DURING THE EVENING. HEAVIEST SNOW ACCUMULATION
  WILL BE NON PAVED SURFACES DUE TO THE MARGINALLY NEAR FREEZING
  AFTERNOON TEMPERATURES.

* TEMPERATURES...NEAR 40 AT DAWN WILL STEADILY FALL INTO THE LOW
  OR MID 30S DURING MIDDAY OR THE AFTERNOON, THEN ONLY FALL A
  COUPLE OF DEGREES AFTER THE SNOW ENDS AT NIGHT.

* WINDS...NORTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY MID MORNING WEDNESDAY TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS. WET SNOW MAY COVER ROAD
  SIGNS. THERE IS A SMALL CHANCE WET SNOW COULD KNOCK DOWN A FEW
  TREE LIMBS IF IT ACCUMULATES MORE THAN 4 INCHES ON BRANCHES AND
  WIRES. THIS WOULD RESULT IN A FEW POWER OUTAGES.


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.

&&

$$

NJZ001-007-008-PAZ054-055-250945-
/O.EXT.KPHI.WS.A.0010.141126T1200Z-141127T0900Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
331 PM EST MON NOV 24 2014

...WINTER STORM WATCH NOW IN EFFECT FROM WEDNESDAY MORNING
THROUGH LATE WEDNESDAY NIGHT...

* LOCATIONS...NORTHWEST NEW JERSEY AND THE POCONOS OF SOUTHEAST 
  PENNSYLVANIA...ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.

* HAZARD TYPES...HEAVY SNOW

* SNOW ACCUMULATIONS...6 TO 10 INCHES WITH HEAVIEST AMOUNTS AROUND
  10 INCHES IN THE HIGHER ELEVATIONS OF THE POCONOS...SUSSEX AND
  MORRIS COUNTIES. 

* TIMING...SNOW WILL BEGIN WEDNESDAY MORNING AROUND DAYBREAK...BECOME
  HEAVY AT TIMES DURING MIDDAY AND THEN DIMINISH TO FLURRIES
  AROUND MIDNIGHT.

* TEMPERATURES...MAY BE IN THE MID 30S AT DAYBREAK BUT WILL FALL
  TO NEAR OR JUST BELOW FREEZING BY NOON. TEMPERATURES AFTER THE
  SNOW ENDS WEDNESDAY NIGHT SHOULD ONLY BOTTOM OUT GENERALLY BETWEEN
  25 AND 30 DEGREES.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY MID MORNING AT THE LATEST TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS. 


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.

&&

$$


DRAG
997 
WWUS41 KPHI 250906
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
406 AM EST TUE NOV 25 2014

NJZ001-007-008-PAZ054-055-252100-
/O.CON.KPHI.WS.A.0010.141126T1200Z-141127T0900Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
406 AM EST TUE NOV 25 2014

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

* LOCATIONS...NORTHWEST NEW JERSEY AND THE POCONOS OF SOUTHEAST 
  PENNSYLVANIA...ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.

* HAZARD TYPES...HEAVY SNOW

* SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* TIMING...SNOW WILL BEGIN WEDNESDAY MORNING AROUND DAYBREAK... 
  BECOME HEAVY AT TIMES DURING MIDDAY AND THEN DIMINISH TO 
  FLURRIES AROUND MIDNIGHT.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD 
  COMPLETE TRAVEL BY MID MORNING AT THE LATEST TO AVOID ANY 
  SIGNIFICANT WEATHER RELATED DELAYS.

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.

&&

$$

NJZ009-PAZ060>062-101-103-105-252100-
/O.CON.KPHI.WS.A.0010.141126T1200Z-141127T0600Z/
HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...COLLEGEVILLE...
POTTSTOWN...CHALFONT...PERKASIE
406 AM EST TUE NOV 25 2014

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

* LOCATIONS...A SMALL PORTION OF NORTHERN NEW JERSEY...THE 
  LEHIGH VALLEY DOWN INTO SOUTHEAST PENNSYLVANIA.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...3 TO 5 INCHES...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE.

* TIMING...PRECIPITATION...MOSTLY RAIN...WILL BEGIN NEAR DAWN
  WEDNESDAY. IT WILL MIX WITH AND CHANGE TO WET SNOW DURING THE
  MORNING AND CONTINUE, POSSIBLY HEAVY AT TIMES, DURING THE
  AFTERNOON BEFORE ENDING DURING THE LATE EVENING WEDNESDAY.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD 
  COMPLETE TRAVEL BY MID MORNING WEDNESDAY TO AVOID ANY 
  SIGNIFICANT WEATHER RELATED DELAYS. WET SNOW MAY COVER ROAD 
  SIGNS. THERE IS A SMALL CHANCE WET SNOW COULD KNOCK DOWN A FEW 
  TREE LIMBS IF IT ACCUMULATES MORE THAN 4 INCHES ON BRANCHES 
  AND WIRES. THIS COULD RESULT IN A FEW POWER OUTAGES.

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.

&&

$$

NJZ010-015-PAZ070-071-102-104-106-252100-
/O.CON.KPHI.WS.A.0010.141126T1600Z-141127T0600Z/
SOMERSET-MERCER-DELAWARE-PHILADELPHIA-EASTERN CHESTER-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...TRENTON...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNETT SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
406 AM EST TUE NOV 25 2014

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

* LOCATIONS...NEARER THE INTERSTATE 95 CORRIDOR FROM NORTH 
  CENTRAL NEW JERSEY THROUGH PHILADELPHIA.

* HAZARD TYPES...HEAVY WET SNOW.

* SNOW ACCUMULATIONS...2 TO 3 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW DURING THE AFTERNOON OR
  EVENING. IT MAY SNOW HEAVY FOR A TIME BEFORE SNOW ENDS DURING
  THE EVENING. HEAVIEST SNOW ACCUMULATION WILL BE NON PAVED
  SURFACES DUE AFTERNOON TEMPERATURES NEAR FREEZING.

* TEMPERATURES...IN THE MID 30S.

* WINDS...NORTH 5 TO 10 MPH.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY MID MORNING WEDNESDAY TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS. WET SNOW MAY COVER ROAD
  SIGNS. THERE IS A SMALL CHANCE WET SNOW COULD KNOCK DOWN A FEW
  TREE LIMBS IF IT ACCUMULATES MORE THAN 4 INCHES ON BRANCHES AND
  WIRES. THIS COULD RESULT IN A FEW POWER OUTAGES.

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.

&&

$$
616 
WWUS41 KPHI 251456
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
956 AM EST TUE NOV 25 2014

NJZ001-007-008-PAZ054-055-252300-
/O.UPG.KPHI.WS.A.0010.141126T1200Z-141127T0900Z/
/O.NEW.KPHI.WS.W.0010.141126T1200Z-141127T0600Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
956 AM EST TUE NOV 25 2014

...WINTER STORM WARNING IN EFFECT FROM 7 AM WEDNESDAY TO 1 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW ...WHICH IS IN EFFECT FROM 7 AM
WEDNESDAY TO 1 AM EST THURSDAY. THIS REPLACES THE PREVIOUS WINTER
STORM WATCH.

* LOCATIONS...NORTHWEST NEW JERSEY AND THE POCONOS OF SOUTHEAST 
  PENNSYLVANIA...ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.

* HAZARD TYPES...HEAVY SNOW

* SNOW ACCUMULATIONS...4 TO 8 INCHES. POTENTIALLY HEAVIER AMOUNTS IN
  THE HIGHER ELEVATIONS.

* TIMING...SNOW WILL BEGIN WEDNESDAY MORNING AROUND DAYBREAK...
  AND BE HEAVY AT TIMES DURING THE DAY...DIMINISHING TO FLURRIES
  BETWEEN 8 PM AND MIDNIGHT.

* TEMPERATURES...FALLING TO BETWEEN 29 AND 32 DEGREES DURING THE
  SNOW.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM AT THE LATEST TO AVOID ANY SIGNIFICANT
  WEATHER RELATED DELAYS, OR TRAVEL AFTER ROADS ARE CLEARED
  WEDNESDAY NIGHT OR EARLY THURSDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED
WEDNESDAY. GUSTY NORTH WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ009-PAZ060>062-101-103-105-252300-
/O.UPG.KPHI.WS.A.0010.141126T1200Z-141127T0600Z/
/O.NEW.KPHI.WS.W.0010.141126T1200Z-141127T0300Z/
HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...COLLEGEVILLE...
POTTSTOWN...CHALFONT...PERKASIE
956 AM EST TUE NOV 25 2014

...WINTER STORM WARNING IN EFFECT FROM 7 AM TO 10 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 AM TO 10
PM EST WEDNESDAY. THIS REPLACES THE PREVIOUSLY ISSUED WINTER
STORM WATCH.

* LOCATIONS...A SMALL PORTION OF NORTHERN NEW JERSEY...THE LEHIGH
  VALLEY DOWN INTO SOUTHEAST PENNSYLVANIA.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...AT LEAST 3 TO 6 INCHES. ELEVATIONS WILL
  PROBABLY HAVE HIGHER AMOUNTS. 

* TIMING...PRECIPITATION...RAIN OR A RAIN SNOW WILL BEGIN NEAR
  DAWN WEDNESDAY. IT WILL QUICKLY CHANGE TO PERIODS OF HEAVY WET
  SNOW DURING THE MORNING AND CONTINUE DURING THE AFTERNOON BEFORE
  ENDING AS FLURRIES DURING THE LATE EVENING WEDNESDAY.

* TEMPERATURES...FALLING TO NEAR FREEZING DURING THE SNOW.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL NO LATER THAN 7 AM WEDNESDAY TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS, OR TRAVEL AFTER THE ROADS
  ARE CLEARED LATER WEDNESDAY NIGHT OR THURSDAY. HEAVY WET SNOW
  WILL PROBABLY OBSCURE SOME ROAD SIGNS. THERE IS A CHANCE THE WET
  SNOW COULD KNOCK DOWN A FEW TREE LIMBS IF IT ACCUMULATES MORE
  THAN 4 INCHES ON BRANCHES AND WIRES AND RESULT IN POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED. GUSTY WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ010-015-PAZ070-071-102-104-106-252300-
/O.CON.KPHI.WS.A.0010.141126T1600Z-141127T0600Z/
SOMERSET-MERCER-DELAWARE-PHILADELPHIA-EASTERN CHESTER-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...SOMERVILLE...TRENTON...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNETT SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
956 AM EST TUE NOV 25 2014

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

* LOCATIONS...NEARER THE INTERSTATE 95 CORRIDOR FROM NORTH CENTRAL
  NEW JERSEY THROUGH PHILADELPHIA.

* HAZARD TYPES...HEAVY WET SNOW.

* SNOW ACCUMULATIONS...2 TO 4 INCHES.

* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW EITHER DURING MID TO LATE
  MORNING OR DURING THE AFTERNOON. IT MAY SNOW HEAVY FOR A TIME
  BEFORE SNOW ENDS DURING THE EVENING. HEAVIEST SNOW ACCUMULATION
  WILL BE NON PAVED SURFACES DUE TO AFTERNOON TEMPERATURES NEAR
  FREEZING.

* TEMPERATURES...FALLING TO NEAR OR JUST ABOVE FREEZING BY NOON.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM TO AVOID ANY SIGNIFICANT WEATHER RELATED
  DELAYS...ESPECIALLY WEST AND NORTH OF PHILADELPHIA. WET SNOW
  WILL PROBABLY OBSCURE MANY ROAD SIGNS. THERE IS A CHANCE WET
  SNOW COULD KNOCK DOWN TREE LIMBS IF IT ACCUMULATES MORE THAN 4
  INCHES ON BRANCHES AND WIRES...RESULTING IN POWER OUTAGES.

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.

&&

$$
782 
WWUS41 KPHI 252001
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
301 PM EST TUE NOV 25 2014

NJZ010-260900-
/O.UPG.KPHI.WS.A.0010.141126T1600Z-141127T0600Z/
/O.EXA.KPHI.WS.W.0010.141126T1200Z-141127T0300Z/
SOMERSET-
INCLUDING THE CITY OF...SOMERVILLE
301 PM EST TUE NOV 25 2014

...WINTER STORM WARNING IN EFFECT FROM 7 AM TO 10 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WARNING FOR 4 TO 8 INCHES OF SNOW...WHICH IS IN EFFECT FROM
7 AM TO 10 PM EST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* LOCATION...SOMERSET COUNTY NEW JERSEY.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES. 
 
* HAZARD TYPES...HEAVY WET SNOW.
 
* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW EITHER DURING MID TO LATE
  MORNING. IT MAY SNOW HEAVY FOR A TIME BEFORE SNOW ENDS DURING
  THE EVENING. HEAVIEST SNOW ACCUMULATION WILL BE ON NON PAVED
  SURFACES DUE TO TEMPERATURES NEAR FREEZING.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM TO AVOID ANY SIGNIFICANT WEATHER RELATED
  DELAYS. WET SNOW WILL PROBABLY OBSCURE MANY ROAD SIGNS. THERE IS
  A CHANCE WET SNOW COULD KNOCK DOWN TREE LIMBS...RESULTING IN
  POWER OUTAGES. 

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

* VISIBILITIES...GREATLY REDUCED VISIBILITIES DURING SNOW WHICH
  WILL ADD TO TRAVELING DIFFICULTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS.
 
&&

$$

NJZ001-007-008-PAZ054-055-260900-
/O.EXT.KPHI.WS.W.0010.141126T1200Z-141127T0300Z/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG
301 PM EST TUE NOV 25 2014

...WINTER STORM WARNING NOW IN EFFECT FROM 7 AM TO 10 PM EST
WEDNESDAY...

* LOCATIONS...NORTHWEST NEW JERSEY AND THE POCONOS OF SOUTHEAST 
  PENNSYLVANIA...ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...6 TO 12 INCHES.

* TIMING...SNOW WILL BEGIN WEDNESDAY MORNING AROUND DAYBREAK... 
  AND BE HEAVY AT TIMES DURING THE DAY...DIMINISHING TO FLURRIES 
  BETWEEN 8 PM AND MIDNIGHT.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM AT THE LATEST TO AVOID ANY SIGNIFICANT
  WEATHER RELATED DELAYS...OR TRAVEL AFTER ROADS ARE CLEARED ON
  THURSDAY. SNOW COULD OBSCURE ROAD SIGNS.  

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

* VISIBILITIES...GREATLY REDUCED VISIBILITIES DURING SNOW WHICH
  WILL ADD TO TRAVELING DIFFICULTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED WEDNESDAY. GUSTY NORTH WINDS ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ009-PAZ060>062-101-103-105-260900-
/O.CON.KPHI.WS.W.0010.141126T1200Z-141127T0300Z/
HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-
WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
BETHLEHEM...EASTON...HONEY BROOK...OXFORD...COLLEGEVILLE...
POTTSTOWN...CHALFONT...PERKASIE
301 PM EST TUE NOV 25 2014

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM EST
WEDNESDAY...

* LOCATIONS...HUNTERDON COUNTY...THE LEHIGH VALLEY AND THE FAR
  NORTHERN AND WESTERN PHILADELPHIA COUNTIES. 

* HAZARD TYPES...HEAVY SNOW.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...PRECIPITATION...RAIN OR A RAIN SNOW MIX WILL BEGIN
  NEAR DAWN WEDNESDAY. IT WILL QUICKLY CHANGE TO PERIODS OF HEAVY
  WET SNOW DURING THE MORNING AND CONTINUE DURING THE AFTERNOON
  BEFORE ENDING AS FLURRIES DURING THE LATE EVENING WEDNESDAY.

* TEMPERATURES...IN THE LOWER TO MID 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL NO LATER THAN 7 AM WEDNESDAY TO AVOID ANY
  SIGNIFICANT WEATHER RELATED DELAYS... OR TRAVEL AFTER THE ROADS
  ARE CLEARED ON THURSDAY. HEAVY WET SNOW WILL PROBABLY OBSCURE
  SOME ROAD SIGNS. THERE IS A CHANCE THE WET SNOW COULD KNOCK DOWN
  A FEW TREE LIMBS AND RESULT IN POWER OUTAGES.

* WINDS...NORTH AROUND 10 MPH WITH GUSTS UP TO 20 MPH.

* VISIBILITIES...GREATLY REDUCED VISIBILITIES DURING SNOW WHICH
  WILL ADD TO TRAVELING DIFFICULTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED. GUSTY WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

NJZ015-PAZ070-071-102-104-106-260900-
/O.UPG.KPHI.WS.A.0010.141126T1600Z-141127T0600Z/
/O.NEW.KPHI.WW.Y.0020.141126T1400Z-141127T0300Z/
MERCER-DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...TRENTON...MEDIA...PHILADELPHIA...
WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE...
MORRISVILLE...DOYLESTOWN
301 PM EST TUE NOV 25 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM TO 10 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 AM TO 10 PM
EST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...PHILADELPHIA, THE NEARBY PENNSYLVANIA SUBURBS AND
  MERCER COUNTY.

* ACCUMULATIONS...SNOW ACCUMULATION 2 TO 4 INCHES. HIGHEST
  ACCUMULATIONS IN THE MORE HILLIER AND NON PAVED SURFACES OF THE
  AREA.
 
* HAZARD TYPES...WET SNOW.
 
* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW FROM MID TO LATE MORNING OR
  DURING THE AFTERNOON. IT MAY SNOW HEAVY FOR A TIME BEFORE SNOW
  ENDS DURING THE EVENING. HEAVIEST SNOW ACCUMULATION WILL BE NON
  PAVED SURFACES DUE TO AFTERNOON TEMPERATURES NEAR FREEZING.

* TEMPERATURES...IN THE LOWER TO MID 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM TO AVOID ANY SIGNIFICANT WEATHER RELATED
  DELAYS...ESPECIALLY WEST AND NORTH OF PHILADELPHIA. WET SNOW
  WILL PROBABLY OBSCURE MANY ROAD SIGNS. MORE DIFFICULT TRAVELING
  CONDITIONS WILL BE OCCURRING FARTHER TO THE NORTH AND WEST.

* WINDS...NORTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* VISIBILITIES...GREATLY REDUCED VISIBILITIES DURING SNOW WHICH
  WILL ADD TO TRAVELING DIFFICULTIES.
  
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.

&&

$$

NJZ012-260900-
/O.NEW.KPHI.WW.Y.0020.141126T1400Z-141127T0300Z/
MIDDLESEX-
INCLUDING THE CITY OF...NEW BRUNSWICK
301 PM EST TUE NOV 25 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM TO 10 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
WEATHER ADVISORY FOR WET SNOW...WHICH IS IN EFFECT FROM 9 AM TO 10
PM EST WEDNESDAY.

* LOCATION...MIDDLESEX COUNTY. 

* ACCUMULATIONS...SNOW ACCUMULATION 3 TO 6 INCHES. HIGHEST
  ACCUMULATIONS ON NON PAVED SURFACES OF THE AREA.
 
* HAZARD TYPES...WET SNOW.
 
* TIMING...PRECIPITATION WILL BEGIN AS RAIN NEAR DAWN WEDNESDAY
  THEN EVENTUALLY CHANGE TO WET SNOW FROM MID TO LATE MORNING OR
  DURING THE AFTERNOON. IT MAY SNOW HEAVY FOR A TIME BEFORE SNOW
  ENDS DURING THE EVENING. HEAVIEST SNOW ACCUMULATION WILL BE NON
  PAVED SURFACES DUE TO AFTERNOON TEMPERATURES NEAR FREEZING.

* TEMPERATURES...IN THE LOWER TO MID 30S.

* IMPACTS...ANYONE WITH HOLIDAY TRAVEL PLANS WEDNESDAY SHOULD
  COMPLETE TRAVEL BY 7 AM TO AVOID ANY SIGNIFICANT WEATHER RELATED
  DELAYS. WET SNOW WILL PROBABLY OBSCURE MANY ROAD SIGNS. MORE
  DIFFICULT TRAVELING CONDITIONS WILL BE OCCURRING FARTHER TO THE
  NORTH AND WEST.

* WINDS...NORTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* VISIBILITIES...GREATLY REDUCED VISIBILITIES DURING SNOW WHICH
  WILL ADD TO TRAVELING DIFFICULTIES.
 
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.

&&

$$

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this winter storm watch went out at Nov 23, 9:28 PM EST, 5 hours 47 minutes earlier.

Area forecast discussion, Nov 23, 9:28 PM EST, 5 hours 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
928 PM EST SUN NOV 23 2014

.SYNOPSIS...
INTENSIFYING LOW PRESSURE IN MISSOURI WILL ARRIVE IN THE UPPER GREAT
LAKES MONDAY YANKING A STRONG WARM FRONT NORTH THROUGH OUR REGION
EARLY MONDAY. IT THEN SWEEPS A COLD FRONT OFF THE EAST COAST MONDAY
NIGHT. HIGH PRESSURE FOLLOWS LATE TUESDAY. A COASTAL STORM FORMING
OFF THE NORTH CAROLINA COAST WEDNESDAY MORNING MOVES EAST OF NEW
ENGLAND BY THANKSGIVING. A COLD FRONT PASSES THROUGH OUR AREA
THURSDAY EVENING AND DRY HIGH PRESSURE MOVES TO THE CAROLINAS NEXT
WEEKEND.

&&

.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
NOT MUCH CHANGE NEEDED WITH THE UPDATE THIS EVENING, JUST SLOWED
THE TIMING OF THE POPS A BIT WITH PLENTY OF DRY AIR STILL IN PLACE.
STARTING TO SEE SOME OVER-RUNNING RAIN ACROSS SOUTHERN DELMARVA
WHILE THE HEAVIEST RAIN REMAINS WELL TO OUR SOUTH AND WEST.

OTHERWISE, A POTENT SYNOPTIC SETUP WILL EVOLVE THROUGH TONIGHT.
THIS INVOLVES A LARGE UPPER-LEVEL TROUGH THAT WILL AMPLIFY FROM
THE MIDWEST TO THE GULF COAST STATES, WHICH DRIVES A DEEPENING
SURFACE LOW INTO THE CENTRAL GREAT LAKES OVERNIGHT. MEANWHILE, A
BUILDING RIDGE NEAR THE EAST COAST WILL SHIFT OFFSHORE WITH ITS
CENTER MAINLY EAST OF FLORIDA.

THE STRENGTHENING OF THE UPPER-LEVEL TROUGH TO OUR WEST TONIGHT IS A
RESULT OF A POTENT 250 MB JET CARVING IT OUT. AS THIS OCCURS, THE
HEIGHT FIELDS TIGHTEN QUITE A BIT ESPECIALLY ON THE EAST AND SOUTH
SIDE OF THE TROUGH. THIS WILL DRIVE AN INCREASINGLY ROBUST WIND
FIELD ACROSS OUR AREA DURING THE COURSE OF TONIGHT. AS THIS OCCURS,
SHORT WAVE ENERGY IN COMBINATION WITH STRENGTHENING WAA WILL DRIVE
INCREASING LARGE SCALE ASCENT ACROSS OUR AREA. AS A RESULT, ABOUT A
4-6 HOUR PERIOD OF RAIN IS EXPECTED TO SURGE FROM SOUTHWEST TO
NORTHEAST ACROSS THE ENTIRE AREA DURING THE NIGHT. AS THE THETA-E
ADVECTION REALLY RAMPS UP THIS EVENING, THE LOW-LEVEL DEW POINTS
WILL BE ON THE INCREASE AND THIS WILL LEAD TO A JUMP IN PW VALUES.
THEREFORE, SOME OF THE RAIN WILL BE MODERATE TO HEAVY AT TIMES WHICH
COULD LEAD TO LOCALIZED POOR DRAINAGE FLOODING. WE THEREFORE
CONTINUED TO RAPIDLY INCREASE THE POPS FROM SOUTH TO NORTH THIS
EVENING WITH CATEGORICAL POPS EVERYWHERE OVERNIGHT. THERE IS SOME
ELEVATED INSTABILITY FORECAST TO ARRIVE ACROSS OUR SOUTHEASTERN
ZONES ESPECIALLY LATE, AND THIS COULD PRODUCE A FEW ISOLATED
EMBEDDED THUNDERSTORMS.

AS THE FLOW INCREASES ABOVE THE SURFACE AND THE INJECTION OF A WARM
AIRMASS WORKS IN ACROSS THE AREA, WE SHOULD START TO MIX BETTER
OVERNIGHT ESPECIALLY NEAR AND EAST OF INTERSTATE 95 AND IN THE
HIGHER TERRAIN. THIS ALONG WITH WAA WILL ALLOW TEMPERATURES TO WARM
ACROSS THE ENTIRE AREA AS A WARM FRONT LIFTS NORTHWARD ACROSS OUR
CWA. AS A RESULT, WE CONTINUED TO INDICATE RISING TEMPERATURES
THROUGH THE OVERNIGHT. BY DAYBREAK, SOME EAST AND SOUTHERN AREAS MAY
BE INTO THE LOWER 60S. THE FORECAST SOUNDINGS INDICATE BETTER
MOMENTUM TRANSFER DEVELOPING LATE ESPECIALLY THE FARTHER SOUTHEAST
ONE GOES ACROSS THE AREA, HOWEVER GIVEN THE WAA PATTERN THERE SHOULD
BE A DECENT INVERSION PRESENT DURING THE NIGHT EVEN WITH THE
BOUNDARY LAYER WARMING. AS A RESULT, THE DEPTH OF THE MIXED LAYER
SHOULD NOT ALLOW THE TRANSFER OF THE RATHER ROBUST WINDS WITH THE
LOW-LEVEL JET DOWN TO THE SURFACE. THERE IS A CHC SOME FOG DEVELOPS
LATE ESPECIALLY AS THE WARMER AND MORE MOIST AIR SURGES IN.

AS FOR LOW TEMPERATURES, MOSTLY A NAM/GFS MOS BLEND WAS USED AND
THESE WERE SET TO OCCUR THIS EVENING. AS MENTIONED ABOVE, A
TEMPERATURE RISE WAS THEN INDICATED THROUGH THE NIGHT.

&&

.SHORT TERM /6 AM MONDAY MORNING THROUGH 6 PM MONDAY/...
RECORD WARMTH CERTAINLY POSSIBLE MONDAY AFTERNOON ACROSS THE AREA.

A SHARP UPPER-LEVEL TROUGH IS FORECAST TO BE TO OUR WEST, AND THIS
WILL DRIVE A POTENT SURFACE LOW ACROSS THE GREAT LAKES AND TOWARD
HUDSON BAY. THIS PLACES OUR AREA WITHIN THE WARM SECTOR AND
SOUTHWESTERLY FLOW TO ITS EAST. THE MAIN LOW-LEVEL JET AND LARGE
SCALE LIFT AND ASSOCIATED WARM FRONTAL FORCING IS FORECAST TO
QUICKLY SHIFT TO OUR NORTHEAST DURING THE MORNING. AS THIS OCCURS, A
DRY SLOT OVERSPREADS OUR AREA. THIS WILL RESULT IN RAIN TAPERING TO
SOME SHOWERS AND ENDING FAIRLY QUICKLY IN THE MORNING FROM SOUTHWEST
TO NORTHEAST. THEREFORE, THE POPS DECREASE RATHER QUICKLY DURING THE
MORNING. THERE COULD BE SOME LOW CLOUDS AND FOG HANGING ON FOR A
LITTLE WHILE ACROSS THE NORTHERN AREAS AND ALONG THE COAST, HOWEVER
CONFIDENCE IS LOW ON THIS. AFTER THAT, THE FORECAST SOUNDINGS
INDICATE THAT DRYING OCCURS ALOFT FIRST ASSOCIATED WITH THE DRY
SLOT, HOWEVER WITH OUR AREA BEING WITHIN THE WARM SECTOR AND STILL
STRONG WINDS ABOVE THE SURFACE WE SHOULD MIX OUT MUCH OF THE LOWER
CLOUDS. WHILE A FEW SHOWERS COULD BE AROUND DURING THE LATE MORNING
AND AFTERNOON, THE SOUNDINGS GENERALLY SHOW A MID LEVEL CAP
DEVELOPING ALONG WITH THE DRYING. THEREFORE, THIS MAY LIMIT ANY
SHOWER DEVELOPMENT FOR AWHILE DESPITE SOME INSTABILITY PRESENT. THIS
BRINGS US TO THE WARMTH AND WINDS.

THE TEMPERATURES AT 925 MB ARE FORECAST TO BE AROUND +15C DURING THE
AFTERNOON. THE FORECAST SOUNDINGS INDICATE THAT AS WE LOSE THE LOWER
CLOUDS AND THE BOUNDARY LAYER WARMS, MIXING WILL DEEPEN. THIS WILL
BOOST HIGH TEMPERATURES INTO THE 70S ACROSS MUCH OF THE AREA. IF WE
CLEAR OUT MORE, THEN TEMPERATURES COULD BE A FEW DEGREES HIGHER THAN
CURRENTLY FORECAST. FOR NOW, USED A MOS BLEND BUT DID ADJUST UP SOME
ESPECIALLY FOR THE INTERSTATE 95 AREA ON SOUTH AND EAST.

AS FOR THE SURFACE WINDS MONDAY, WHILE THE INTENSE LOW-LEVEL JET IS
FORECAST TO BE SHIFTING TO OUR NORTHEAST DURING THE DAY, THE WIND
FIELD AT 925 MB IS FORECAST TO BE IN THE 40-50 KNOT RANGE. THE
FORECAST SOUNDINGS SHOW BETTER MIXING BECOMING ESTABLISHED AND IF WE
WARM THE BOUNDARY EVEN MORE THIS DEPTH WOULD INCREASE SOME. IT STILL
APPEARS THOUGH THAT WE DO NOT MIX UP FULLY TO THE STRONGEST WINDS,
AND THEREFORE WE CARRY GUSTS BELOW ADVISORY CRITERIA. WE DID LEAN
CLOSER TO THE GFS WINDS WHICH ARE A LITTLE STRONGER AT THE SURFACE
AND BOOSTED THE GUSTS UP TO 35 MPH.

&&

.LONG TERM /MONDAY NIGHT THROUGH SUNDAY/...
**WINTER STORM-EVENT VICINITY I-95 CORRIDOR WESTWARD WEDNESDAY**

500MB: THE STRONG SHORT WAVE ASSOCIATED WITH THE GREAT LAKES STORM
LIFTS NEWD INTO QUEBEC MONDAY NIGHT. THE NEXT TROUGH IS ON A MORE
SOUTHERLY ROUTE AND CROSSES THE EAST COAST LATE WEDNESDAY NIGHT
WITH MORE COHERENCE IN ENSEMBLE SOLUTIONS THAN PRESENTED 24 HOURS
AGO. HEIGHTS RISE TOWARD NEXT WEEKEND BUT A GENERAL CYCLONIC FLOW
CONTINUES ACROSS NORTH AMERICA WITH EMBEDDED SHORT WAVES DIFFICULT
TO DISCERN IN THE ENSEMBLE MEAN.

TEMPERATURES: TEMPERATURES FOR THE MONTH OF NOVEMBER HAVE SO FAR
AVERAGED 4 TO 5 DEGREES BELOW NORMAL WITH YESTERDAY THE 10TH
CONSECUTIVE DAY OF BELOW NORMAL TEMPERATURES. A BRIEF HIATUS FROM
THE COLD IS AT HAND BUT EVEN SO...THE MONTH AS A WHOLE PROJECTS TO
AVERAGE WELL BELOW NORMAL. DID A QUICK EXTRAPOLATION OF MAX/MIN
FOR THE REST OF THE MONTH BASED OUR OFFICE FORECAST AND WE ARE
PROJECTING 2.5 TO 3.5 DEGREES BELOW THE MONTHLY AVG OF 47.6 DEGREES.

CALENDAR DAY AVERAGES TUESDAY SHOULD BE AROUND 5 TO 10 DEGREES ABOVE
NORMAL (1201AM TUESDAY MORNING HIGHS COULD BE 60-63F PHL EASTWARD),
SLIGHTLY BELOW NORMAL WEDNESDAY WITH MAX TEMPERATURES ON WEDNESDAY 6
TO 14 DEGREES BELOW NORMAL DEPENDING WHEN THE PCPN BEGINS. THURSDAY
THROUGH SATURDAY CALENDAR DAY AVERAGE TEMPERATURES SHOULD AVERAGE
BELOW NORMAL AND NEXT SUNDAY IN MAY WARM MORE THAN WE HAVE FORECAST.

FORECAST BASIS: UNLESS OTHERWISE NOTED THE LONG TERM PERIOD OF THIS
FORECAST IS GENERALLY BASED ON A 50 50 BLEND OF THE 12Z/23 NAM/GFS
MOS FOR THE PERIOD MONDAY NIGHT-TUESDAY NIGHT. THEN THE 12Z/23 GFS
MOS WAS NOT APPLIED WEDNESDAY...IT LOOKS TOO WARM BY 3 TO 5 DEGREES).
THEREAFTER (THURSDAY ONWARD) THE 1522Z/23 WPC GRIDDED GUIDANCE
WAS USED STRAIGHT UP. ALL THIS IS EVENTUALLY CHECKED AGAINST THE
12Z/23 ECMWF THROUGH THURSDAY TO SEE IF WE'RE IN THE BALLPARK
WITH ECMWF CYCLICALLY PERSISTENT 18Z 2 METER TEMPERATURES.
PRECIPITATION PROBABILITY GUIDANCE IS CHECKED AGAINST THE 09Z/23
SREF 3HRLY POPS FOR .01 THROUGH 00Z THURSDAY. THE SREF ALSO HAS
SIGNIFICANT PROBABILITIES FOR 1 AND 4 INCH SNOWFALL AMOUNTS BY 7PM
WEDNESDAY I95 CORRIDOR WESTWARD BUT COULD BE BIASED TOO COLD! THE
12Z/23 GEFS 6HR POPS FOR 0.05 ARE USED AFTER 00Z/THURSDAY AS A
CHECK AGAINST OTHER AVAILABLE GUIDANCE.

THE DAILIES...

MONDAY NIGHT...SMALL CHANCE OF A LOW TOP SHOWER OR SPRINKLE.
OTHERWISE CLEARING AND MAYBE A BIT BREEZY (WEST WIND GUSTS 20 MPH
FOR A TIME) AFTER THE EVENING CFP WHEN WE SEE THE BOUNDARY LAYER
WIND FORECAST INCREASES AROUND 03-06Z. STILL ABOVE AVERAGE TEMPS FOR
THIS TIME OF YEAR...ESPECIALLY DURING THE EVENING WHEN TEMPS WILL
BE IN THE 60S. GUIDANCE TEMPS: USED THE WARMER OF THE AVBL TEMP
GUIDANCE AND BLENDED WITH THE EVEN WARMER 2M NAM TEMPS AT 00Z AND
03Z/25 (PRIOR TO CFP).

TUESDAY...PARTLY TO MOSTLY SUNNY AND BREEZY (FIRST CIRRUS FROM GULF
COAST SHORT WAVE MOVING EASTWARD VCNTY TEX/LA AND ALSO RRQ STRONG
250MB JET OF 200 KT /230 MPH/ NEAR L ONTARIO). FOR THE SURFACE...AM
EXPECTING WESTERLY WIND GUSTS 25 MPH.

TUESDAY NIGHT...BECOMING CLOUDY WITH LIGHT WIND. SEASONABLE TEMPS.
LIGHT RAIN SPREADS UP ONTO THE DELMARVA AND POSSIBLY ALL THE WAY
TO PHL BY 12Z TUESDAY.

WEDNESDAY-WEDNESDAY NIGHT...OUR MODEL OF CHOICE LEANS HEAVILY ON THE
ECMWF WITH GFS WPC AND SREF MIX. A COASTAL STORM DEEPENS A MB PER
HOUR AS IT RACES NEWD EAST OF THE MID ATLC COAST. LOW PRESSURE
DEVELOPMENT AIDED BY RRQ OF 200KT 250MB JET OVER THE GULF OF ST
LAWRENCE.

ONE QUARTER TO 1.25 INCH AMOUNTS EXPECTED...HEAVIEST PROBABLY IN NJ.

SNOW MAP POSTED ALONG WITH BRIEFING PACKAGE TO GIVE OUR FIRST
EFFORT AT SNOW ACCUMULATIONS WEDNESDAY AND WEDNESDAY NIGHT.
THERE WILL BE ADJUSTMENTS. THINKING THAT THIS FORECAST CAN
EASILY BE IN ERROR 3 INCHES EITHER SIDE OF WHAT IS POSTED ON OUR
WEB SITE THIS SUNDAY AFTERNOON.

CONFIDENCE ON SNOW AMOUNTS REACHING THE POSTED VALUES IS HIGHEST
FROM READING PA THROUGH THE POCONOS INTO FAR NW NJ. CONFIDENCE
LESSENS SOUTHEASTWARD.

NO MATTER...THERE IS A HIGH PROBABILITY OF SNOW IMPACTING TRAVEL
SOMETIME WEDNESDAY OR WEDNESDAY NIGHT...ESPECIALLY JUST WEST OF
I-95. THE 12Z/23 ECMWF IS THE WARMEST MODEL WITH THE GFS COLDER
BUT ALSO PROBABLY TOO FAR EAST. THE EC HAS A DEFINITE ABOVE
FREEZING LAYER BETWEEN 850 AND 700MB. THE GFS NOT.

SNOW/RAIN: I-95 CORRIDOR OR 30 MILES NORTHWEST LOOKS TO BE GENERAL
DEMARCATION BETWEEN MOSTLY SNOW AND MOSTLY RAIN. DEPENDING ON YOUR
MODEL SELECTED AND THERE WILL BE ADJUSTMENTS NEEDED...IT COULD BE
RAIN-SNOW CHANGING TO ALL RAIN THEN ENDING AS SNOW FOR I95; MOSTLY
SNOW FURTHER WEST AND NORTH THROUGH EASTERN PA AND NW NJ.
ELEVATIONS WILL ACCUMULATE BEST WHERE ITS COLDER.

TEMPS FOR THE WEDNESDAY FCST ARE THE 330 AM PHI FCST BLENDED 50 50
WITH THE 00Z-12Z/23 ECMWF 2M TEMPS AND DID NOT USE THE 12Z/23 MEXMOS
TEMPS WHICH LOOKED 3 TO 6 DEGREES TOO WARM. MAX TEMPS APPEAR TO BE
OCCURRING FORENOON BEFORE PCPN WET BULBS COLDER READINGS DURING THE
AFTN.

TEMPS FOR WEDNESDAY NIGHT ARE AT OR JUST ABOVE THE 12Z/23 GFS MEXMOS
VALUES AND SLIGHTLY WARMER THAN THE WPC TEMPS.

THOSE LOOKING AT THE MODELS SHOULD BE AWARE THAT GUIDANCE DOES NOT
HANDLE SNOW COOLING THE SFC TEMPERATURES AND THE COLUMN WILL BE COLD
ENOUGH FOR ALL SNOW NOT TOO FAR WEST OF PHL WITH ONLY THE LOWEST
1000 FEET AIR TEMP STRUCTURE DETERMINING THE SURFACE PTYPE.

THE LARGER ACCUMS FOR THIS EVENT ALONG I-95 MAY BE RESERVED FOR THE
EVENING AS PCPN PROBABLY CHANGES TO ALL SNOW.

SE OF I95...WHICH INCLUDES MOST OF MD E SHORE AND DELAWARE AND
COASTAL NJ...MAINLY RAIN IS EXPECTED. IT COULD END AS A PERIOD OF
WET SNOW OR FLURRIES... ALL DEPENDENT ON BANDING TAIL (500 MB VORT
MAX TRACK/STRENGTH).

THURSDAY...A SECONDARY TROUGH PASSAGE...SFC COLD FRONT WITH
INSTABILITY AND MOISTURE (WINDEX?) MAY BE ACCOMPANIED BY SNOW
SHOWERS NW OF I95. FOR NOW ONLY GRIDDED IN THE POCONOS.

FRIDAY- SUNDAY...WPC GUIDANCE AND HIGH PRESSURE SLIDES TO THE
CAROLINAS. LOWS TEMPS FRIDAY AND SATURDAY MORNING MIGHT BE AROUND
8 DEGREES COLDER THAN FORECAST NORTH OF I78 IF THERE IS SNOW
COVER (10 TO 15F).

&&

.AVIATION /02Z MONDAY THROUGH FRIDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG, KILG,
KMIV, KACY AND SURROUNDING AREAS.

VERY LITTLE CHANGE IN THE CURRENT THINKING/TIMING WITH THE 00Z
TAFS, THOUGH A DELAYED ONSET OF MVFR IS POSSIBLE BY AN HOUR OR TWO
FROM SOUTH TO NORTH.

TONIGHT...VFR TO START, THEN CEILINGS ARE EXPECTED TO QUICKLY
LOWER TO MVFR AND IFR /LOCAL LIFR/ AS A WARM FRONT ARRIVES. A
PERIOD OF RAIN IS EXPECTED TO MOVE THROUGH, SOME OF WHICH COULD BE
HEAVY AT TIMES. THIS WILL ALSO REDUCE THE VISIBILITIES, WITH EVEN
SOME FOG POSSIBLE LATE ESPECIALLY TOWARD THE COAST AND FROM NEAR
KABE ON NORTHWARD. SOUTH TO SOUTHEAST WINDS AT AROUND 5 KNOTS WILL
INCREASE TO NEAR 15 KNOTS OVERNIGHT AND COULD BECOME GUSTY AT
TIMES. THE STRONGEST WINDS SHOULD BE FROM NEAR THE KPHL METRO ON
SOUTH AND EAST. THE AMOUNT OF GUSTINESS THAT OCCURS LATE CARRIES
LOWER CONFIDENCE. AN ISOLATED THUNDERSTORM CANNOT BE RULED OUT
LATE MAINLY SOUTH AND EAST OF KPHL. A POTENT LOW-LEVEL JET MOVES
ACROSS THE AREA, AND THEREFORE LOW-LEVEL WIND SHEAR IS INCLUDED
FOR THE OVERNIGHT.

MONDAY...MVFR/IFR /LOCAL LIFR/ CEILINGS FOR A TIME IN THE MORNING,
THEN CEILINGS SHOULD RISE TO VFR IN THE AFTERNOON AS A MUCH WARMER
AIRMASS IS IN PLACE. IT IS POSSIBLE THOUGH THAT SOME LOW CLOUDS
LINGER LONGER ESPECIALLY CLOSER TO THE COAST AND NORTH OF KTTN AND
KABE. RAIN DEPARTS EARLY, HOWEVER A FEW SHOWERS THROUGH THE DAY WILL
BE POSSIBLE. SOUTHWESTERLY WINDS INCREASE TO 15-20 KNOTS WITH GUSTS
UP TO 30 KNOTS. THE CORE OF LOW-LEVEL JET SHIFTS FARTHER OFFSHORE
DURING THE DAY, THEREFORE LOW-LEVEL WIND SHEAR SHOULD DECREASE
DURING THE MORNING.

OUTLOOK...
MONDAY NIGHT-TUESDAY NIGHT...MAINLY VFR. WESTERLY WINDS MAY BRIEFLY
GUST 20-25 KT MONDAY NIGHT SUBSEQUENT TO A CFP THAT COULD BE
ACCOMPANIED BY A SPRINKLE. WEST WINDS SHOULD GUST 25 KT ON TUESDAY
THEN DIMINISH CONSIDERABLY LATE TUESDAY NIGHT AS THEY TURN NORTH
TO NORTHWEST. HIGH CONFIDENCE ON THIS SCENARIO.

WEDNESDAY...A COASTAL STORM WILL BRING MVFR OR IFR CONDITIONS IN
RAIN COAST (KACY/KMIV), RAIN SNOW KTTN KPNE KTPHL AND KILG AND
MOSTLY SNOW KABE AND KRDG. IN ADDITION, EXPECT PERSISTENT NORTHERLY
OR NORTHEASTERLY WINDS FOR GENERALLY THE LATTER HALF OF THE DAY
WITH GUSTS 12-25 KT FROM WEST TO EAST. PRECIPITATION SHOULD END AS
SNOW MOST TAF SITES AT NIGHT EXCEPT POSSIBLY NOT AT KMIV/KACY.

SIGNIFICANT PAVEMENT ACCUMULATIONS POSSIBLE KRDG/KABE ESPECIALLY
WEDNESDAY EVENING.

THANKSGIVING...CONDITIONS SLOWLY RETURN TO VFR AND WINDS SHIFT TO
WESTERLY OR NORTHWEST. THERE COULD BE BRIEF MVFR CONDS IN SCATTERED
SNOW SHOWERS LATER THURSDAY MAINLY JUST N OF KRDG AND KABE. WINDS MAY
GUST TO 25 KT.

FRIDAY...PROBABLY VFR.

&&

.MARINE...
A POTENT STORM SYSTEM WILL TRACK WELL TO OUR WEST LATER TONIGHT AND
MONDAY. THIS WILL DRIVE A WARM FRONT NORTH OF THE AREA TONIGHT ALONG
WITH AN INCREASINGLY ROBUST WIND FIELD. THE 925 MB WINDS ARE
FORECAST TO INCREASE TO 50-70 KNOTS THROUGH THE NIGHT, THEN DECREASE
TO ABOUT 40-50 KNOTS ON MONDAY. THE FORECAST SOUNDINGS INDICATE THAT
BETTER MIXING OCCURS FOR AWHILE TONIGHT BEFORE A MUCH WARMER AIRMASS
ARRIVES LATE AND DURING MONDAY. ON MONDAY, THE FORECAST SOUNDINGS
INDICATE THAT A VERY STRONG LOW-LEVEL INVERSION IS PRESENT WHICH
WOULD KEEP THE STRONGER WINDS ABOVE THE SURFACE. THEREFORE, A GALE
WARNING REMAINS IN EFFECT STARTING AT MIDNIGHT TONIGHT FOR ALL OUR
ZONES /LOWER CONFIDENCE FOR UPPER DELAWARE BAY/ AND CONTINUES
THROUGH MONDAY MORNING. AS WE GO THROUGH MONDAY, THE BEST MIXING
SHOULD SHIFT NEARSHORE AND OVER LAND. THEREFORE, WE DID NOT EXTEND
THE GALE WARNING ATTM. THE SEAS WILL BUILD QUITE A BIT DURING THE
NIGHT INTO MONDAY WITH STRONG SOUTHERLY WINDS, ALTHOUGH JUST HOW
MUCH WIND ACTUALLY MAKES IT TO THE SURFACE WILL INFLUENCE THE SEAS.

OUTLOOK...
MONDAY NIGHT...SW WIND SHIFTING TO WEST WITH THE CFP. SCA LIKELY.

TUESDAY...SCA EXPECTED DURING COLD AIR ADVECTION ON WESTERLY FLOW.

TUESDAY NIGHT...PROBABLY BELOW SCA CONDITIONS.

WEDNESDAY...STRONG NORTHEAST SHIFTING TO NORTHWEST SCA WITH A
POSSIBLE GALE. SEAS FORECAST ON THE ATLANTIC WATERS MAY BE 2
TO 4 FEET TOO LOW WEDNESDAY AFTERNOON AND EVENING.

THANKSGIVING...WINDS ARE EXPECTED TO EVENTUALLY FALL BELOW SCA
CRITERIA BUT ATLANTIC SEAS MAY NOT DROP BELOW 5 FT TIL AT NIGHT.

FRIDAY...POSSIBLE SCA COLD AIR ADVECTION WEST TO NORTHWEST FLOW.

&&

.CLIMATE...
FOR OUR EIGHT CLIMATE SITES, HERE ARE THE RECORD HIGH TEMPERATURES
FOR NOVEMBER 24TH AND THE MOST RECENT YEAR OF OCCURRENCE.

RECORD HIGHS 11/24:

ACY:  72  SET IN 1999
PHL:  71  SET IN 1979
ILG:  73  SET IN 1979
ABE:  69  SET IN 1931
TTN:  71  SET IN 1979
GED:  75  SET IN 1992
RDG:  69  SET IN 1979
MPO:  64  SET IN 1931

WITH THE POSSIBILITY OF A MIDWEEK COASTAL STORM BRINGING SNOW TO THE
REGION, WE HAVE INCLUDED DAILY SNOWFALL RECORDS BELOW FOR OUR FOUR
PRIMARY CLIMATE SITES THAT HAVE A LONG-STANDING UNBROKEN PERIOD OF
RECORD (POR) WITH RESPECT TO HISTORICAL SNOWFALL DATA.

BEST CHANCE OF COMING CLOSE TO A "DAILY" RECORD AS OF THIS SUNDAY
AFTERNOONS COLLABORATION APPEARS TO BE KABE.

DAILY SNOWFALL RECORDS:

NOVEMBER 26TH:               NOVEMBER 27TH:       PERIOD OF RECORD:

ACY: TRACE 1977,1957,1955    1.2 INCHES 1978            1874

PHL: 6.0 INCHES 1898         6.9 INCHES 1949,1938       1872

ILG: 0.1 INCHES 1950         4.5 INCHES 1978            1894

ABE: 1.7 INCHES 1925         7.0 INCHES 1938            1922

&&

.PHI WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NJ...NONE.
DE...NONE.
MD...NONE.
MARINE...GALE WARNING UNTIL 11 AM EST MONDAY FOR ANZ430-431-450>455.

&&

SYNOPSIS...DRAG
NEAR TERM...GORSE/HEAVENER
SHORT TERM...GORSE/NIERENBERG
LONG TERM...DRAG
AVIATION...DRAG/GORSE
MARINE...DRAG/GORSE
CLIMATE...DRAG
Hazardous weather outlook, Nov 23, 4:03 PM EST, 11 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
403 PM EST SUN NOV 23 2014

NJZ001-007>009-PAZ054-055-060>062-101-103-105-242115-
SUSSEX-WARREN-MORRIS-HUNTERDON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
403 PM EST SUN NOV 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW
JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL
PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A PERIOD OF HEAVY RAIN EARLY MONDAY COULD LEAD TO PONDING OF
WATER IN POOR DRAINAGE AREAS INCLUDING URBAN AREAS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE HEAVY RAIN COULD LINGER INTO THE BEGINNING OF THE MONDAY
MORNING RUSH HOUR.

A COASTAL STORM WILL IMPACT THE REGION WEDNESDAY AND WEDNESDAY
NIGHT.

A PRELIMINARY SNOW MAP IS POSTED ON OUR NATIONAL WEATHER SERVICE
WEB SITE AS WELL PROBABILITIES OF EXCEEDING CERTAIN THRESHOLDS. GO
TO OUR HOME PAGE...CLICK CURRENT HAZARDS...CLICK WINTER AND
EVERYTHING THAT CAN BE HELPFUL SHOULD BE THERE.

A SUBSTANTIAL ACCUMULATION IS EXPECTED WITH AMOUNT DETAILS AND
TIMING TO BE ADJUSTED. PLAN ON PLOWING OPERATIONS AND TRAVEL
DELAYS...THE EXTENT OF WHICH IS UNKNOWN AT THIS TIME.

HEAVIEST ACCUMULATIONS WILL BE IN THE ELEVATIONS.

IF YOU HAVE TRAVEL PLANS FOR WEDNESDAY, PLEASE STAY TUNED TO THE
LATEST FORECAST FOR MORE DETAILS AS WE DRAW CLOSER TO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ001-MDZ008-012-NJZ010-012-015>019-PAZ070-071-102-104-106-242115-
NEW CASTLE-CECIL-KENT MD-SOMERSET-MIDDLESEX-MERCER-SALEM-GLOUCESTER-
CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-EASTERN CHESTER-
EASTERN MONTGOMERY-LOWER BUCKS-
403 PM EST SUN NOV 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...NORTHEAST
MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A PERIOD OF HEAVY RAIN LATE TONIGHT COULD LEAD TO PONDING OF WATER
IN POOR DRAINAGE AREAS INCLUDING URBAN AREAS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE HEAVY RAIN COULD LINGER INTO THE VERY BEGINNING OF THE
MONDAY MORNING RUSH HOUR.

A COASTAL STORM WILL IMPACT THE REGION WEDNESDAY AND WEDNESDAY
NIGHT. RAIN COULD MIX WITH SNOW AT TIMES WEDNESDAY OR EVEN CHANGE
TO ALL SNOW WEDNESDAY NIGHT WHICH WOULD IMPACT HOLIDAY TRAVEL.

A PRELIMINARY SNOW MAP IS POSTED ON OUR NATIONAL WEATHER SERVICE
WEB SITE AS WELL PROBABILITIES OF EXCEEDING CERTAIN THRESHOLDS.
GO TO OUR HOME PAGE...CLICK CURRENT HAZARDS...CLICK WINTER AND
EVERYTHING THAT CAN BE HELPFUL SHOULD BE THERE.

IF YOU HAVE TRAVEL PLANS FOR WEDNESDAY, PLEASE STAY TUNED TO THE
LATEST FORECAST FOR MORE DETAILS AS WE GET CLOSER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ002>004-MDZ015-019-020-NJZ013-014-020>027-242115-
KENT-INLAND SUSSEX-DELAWARE BEACHES-QUEEN ANNES-TALBOT-CAROLINE-
WESTERN MONMOUTH-EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
403 PM EST SUN NOV 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY AND SOUTHERN NEW
JERSEY.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A PERIOD OF HEAVY RAIN LATE TONIGHT COULD LEAD TO PONDING OF WATER
IN POOR DRAINAGE AREAS INCLUDING URBAN AREAS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE HEAVY RAIN COULD LINGER INTO THE VERY BEGINNING OF THE MONDAY
MORNING COMMUTE.

A COASTAL STORM WILL IMPACT THE REGION WEDNESDAY AND WEDNESDAY
NIGHT. PERIODS OF HEAVY RAIN COULD MIX WITH SNOW AT TIMES WEDNESDAY
EVENING OR EVEN CHANGE TO ALL SNOW WEDNESDAY NIGHT WHICH COULD
IMPACT HOLIDAY TRAVEL.

A PRELIMINARY SNOW MAP IS POSTED ON OUR NATIONAL WEATHER SERVICE
WEB SITE AS WELL PROBABILITIES OF EXCEEDING CERTAIN THRESHOLDS.
GO TO OUR HOME PAGE...CLICK CURRENT HAZARDS...CLICK WINTER AND
EVERYTHING THAT CAN BE HELPFUL SHOULD BE THERE.

IF YOU HAVE TRAVEL PLANS FOR WEDNESDAY, PLEASE STAY TUNED TO THE
LATEST FORECAST FOR MORE DETAILS AS WE GET CLOSER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ430-431-450>455-242115-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
403 PM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM EST
MONDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

ANOTHER GALE EVENT IS POSSIBLE WEDNESDAY IN ASSOCIATED WITH
THE PASSAGE OF A COASTAL STORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 24, 3:14 PM ESTGale WatchPHI12 hr
Nov 24, 3:14 PM ESTSmall Craft AdvisoryPHI24 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.