Alert archive / New Jersey / Winter Storm Watches in 2008

Winter Storm Watch 2, NWS Philadelphia/Mount Holly

January 13, 2008Hunterdon County, Somerset County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this winter storm watch at Jan 13, 2008, 4:57 AM EST for Hunterdon County, Somerset County, Warren County, New Jersey. It took effect at Jan 13, 2008, 9:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 13, 2008, 4:57 AM EST (09:57 UTC)
In effect from
Jan 13, 2008, 9:00 PM EST
Expired
Jan 13, 2008, 10:58 AM EST
In force
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Somerset County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 88 km from the middle of the area, began a volume at 09:59 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, 10.0 hours before the alert went out and 168 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 2008-01-13Temperature 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 2008-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
1086 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
95 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.

000 
WWUS41 KPHI 130957
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
457 AM EST SUN JAN 13 2008

NJZ001-008-132200-
/O.UPG.KPHI.WS.A.0001.080114T0200Z-080114T1700Z/
/O.NEW.KPHI.HS.W.0001.080114T0200Z-080114T2000Z/
SUSSEX-MORRIS-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN
457 AM EST SUN JAN 13 2008

...A SIGNIFICANT SNOWFALL IS FORECAST FOR SUNDAY NIGHT INTO MONDAY...

.AN AREA OF LOW PRESSURE IS FORECAST TO ORGANIZE OFF THE SOUTHEAST
COAST TODAY. THIS STORM IS THEN ANTICIPATED TO MOVE NORTHEASTWARD
TONIGHT AND BE EAST OF THE JERSEY SHORE EARLY MONDAY MORNING AS
IT INTENSIFIES. THE STORM WILL THEN CONTINUE NORTHEAST.

...HEAVY SNOW WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
EST MONDAY...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAVY
SNOW WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW IS ANTICIPATED TO OVERSPREAD THE AREA LATE THIS EVENING...
FALL HEAVILY AT TIMES OVERNIGHT...AND THEN BECOME MORE
INTERMITTENT ON MONDAY. THE LATEST FORECAST CALLS FOR 4 TO 8
INCHES OF SNOW TO FALL OVERNIGHT TONIGHT...WITH AN ADDITIONAL 1 TO
2 INCHES POSSIBLE ON MONDAY. 

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE
TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

$$

NJZ007-009-010-132200-
/O.NEW.KPHI.WS.A.0002.080114T0200Z-080114T2000Z/
WARREN-HUNTERDON-SOMERSET-
INCLUDING THE CITIES OF...WASHINGTON...FLEMINGTON...SOMERVILLE
457 AM EST SUN JAN 13 2008

...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY
AFTERNOON. 

PRECIPITATION IS EXPECTED TO BEGIN AS RAIN OR MIXED RAIN AND SNOW
THIS EVENING...THEN CHANGE TO SNOW BEFORE MIDNIGHT. THE SNOW MAY
FALL HEAVILY AT TIMES OVERNIGHT...AND BECOME MORE INTERMITTENT ON
MONDAY. THE LATEST FORECAST CALLS FOR 4 TO 7 INCHES OF SNOW TO
FALL OVERNIGHT TONIGHT...WITH AN ADDITIONAL 1 TO 2 INCHES POSSIBLE
ON MONDAY. THERE REMAINS SOME UNCERTAINTY REGARDING THE TRANSITION
FROM RAIN TO SNOW. 

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.

$$

MPD
1 follow-up statement
000 
WWUS41 KPHI 131558
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1058 AM EST SUN JAN 13 2008

...A SIGNIFICANT WINTER STORM TO AFFECT THE AREA LATER TONIGHT 
THROUGH MONDAY MORNING...

.AN AREA OF LOW PRESSURE WILL CONTINUE TO BECOME ORGANIZED OFF
THE SOUTHEAST COAST TODAY. THIS STORM IS THEN ANTICIPATED TO MOVE
NORTHEASTWARD TONIGHT AND BE EAST OF THE JERSEY SHORE EARLY MONDAY
MORNING AS IT INTENSIFIES. THE STORM WILL THEN CONTINUE
NORTHEASTWARD MONDAY AFTERNOON, PULLING AWAY FROM OUR AREA.

NJZ007-009-010-132200-
/O.UPG.KPHI.WS.A.0002.080114T0200Z-080114T2000Z/
/O.EXA.KPHI.HS.W.0001.080114T0200Z-080114T2000Z/
WARREN-HUNTERDON-SOMERSET-
INCLUDING THE CITIES OF...WASHINGTON...FLEMINGTON...SOMERVILLE
1058 AM EST SUN JAN 13 2008

...HEAVY SNOW WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
EST MONDAY...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAVY
SNOW WARNING, WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

PRECIPITATION IS EXPECTED TO OVERSPREAD THE AREA THIS EVENING IN
THE FORM OF LIGHT RAIN OR A MIXTURE OF RAIN AND SNOW, THEN QUICKLY
CHANGE OVER TO ALL SNOW AROUND MIDNIGHT. THE SNOW MAY FALL
HEAVILY AT TIMES OVERNIGHT AND THEN BECOME MORE INTERMITTENT
DURING MONDAY MORNING, WITH A STORM TOTAL OF 5 TO 10 INCHES OF
SNOW ANTICIPATED. EVEN THOUGH SOME RAIN IS EXPECTED AT THE START
FOR MANY PLACES, SNOW IS EXPECTED TO BECOME THE MAIN PRECIPITATION
TYPE WITH THIS STORM AS THE AIR MASS COOLS SUFFICIENTLY. ALSO,
THERE IS THE POTENTIAL FOR A FAIRLY SHARP GRADIENT IN THE SNOWFALL
AMOUNTS TO DEVELOP FROM WEST TO EAST.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE
TRAVEL DANGEROUS. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR
YOUR LOCAL MEDIA OUTLETS FOR THE LATEST ON THIS DEVELOPING WINTER
STORM.

$$

NJZ001-008-132200-
/O.CON.KPHI.HS.W.0001.080114T0200Z-080114T2000Z/
SUSSEX-MORRIS-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN
1058 AM EST SUN JAN 13 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
3 PM EST MONDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
3 PM EST MONDAY. 

SNOW IS EXPECTED TO OVERSPREAD THE AREA THIS EVENING, CONTINUE
OVERNIGHT, THEN BECOME INTERMITTENT DURING MONDAY MORNING.
THE SNOW MAY FALL HEAVILY AT TIMES OVERNIGHT, WITH A STORM TOTAL
OF 5 TO 10 INCHES OF SNOW ANTICIPATED. EVEN THOUGH SOME RAIN COULD
OCCUR AT THE START IN A FEW PLACES, SNOW IS EXPECTED TO BE THE MAIN
PRECIPITATION TYPE WITH THIS STORM AS THE AIR MASS COOLS SUFFICIENTLY.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE
TRAVEL DANGEROUS. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR
YOUR LOCAL MEDIA OUTLETS FOR THE LATEST ON THIS DEVELOPING WINTER
STORM.

$$

PAZ054-055-061-062-132200-
/O.NEW.KPHI.SN.Y.0001.080114T0200Z-080114T2000Z/
CARBON-MONROE-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...ALLENTOWN...
BETHLEHEM...EASTON
1058 AM EST SUN JAN 13 2008

...SNOW ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 PM EST
MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A SNOW
ADVISORY, WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3 PM EST
MONDAY.

SNOW IS EXPECTED TO OVERSPREAD THE AREA THIS EVENING AND CONTINUE
OVERNIGHT AND MONDAY MORNING AND BE LOCALLY MODERATE TO HEAVY AT
TIMES. HOWEVER, THE SNOW WILL MIX WITH OR EVEN BEGIN AS LIGHT
RAIN IN THE LEHIGH VALLEY. THE AIR MASS IS EXPECTED TO COOL
SUFFICIENTLY EVERYWHERE, THEREFORE SNOW IS ANTICIPATED TO BE THE
MAIN PRECIPITATION TYPE WITH THIS STORM. THE SNOW WILL THEN BECOME
INTERMITTENT DURING MONDAY MORNING. A STORM TOTAL OF 2 TO 6 INCHES
OF SNOW IS ANTICIPATED, WITH THE HIGHER AMOUNTS PROBABLY OCCURRING
ACROSS EASTERN NORTHAMPTON AND MONROE COUNTIES. THERE IS THE
POTENTIAL FOR A FAIRLY SHARP GRADIENT IN THE SNOWFALL AMOUNTS TO
OCCUR FROM WEST TO EAST.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. STAY TUNED TO
NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLETS FOR THE
LATEST ON THIS DEVELOPING WINTER STORM.

$$

NJZ012-013-015-PAZ069-132200-
/O.NEW.KPHI.SN.Y.0001.080114T0200Z-080114T2000Z/
MIDDLESEX-WESTERN MONMOUTH-MERCER-BUCKS-
INCLUDING THE CITIES OF...NEW BRUNSWICK...FREEHOLD...TRENTON...
DOYLESTOWN
1058 AM EST SUN JAN 13 2008

...SNOW ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 PM EST
MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3 PM EST
MONDAY. 

LIGHT RAIN IS EXPECTED TO OVERSPREAD THE AREA THIS EVENING, THEN
CHANGE OVER TO ALL SNOW AROUND MIDNIGHT. THE SNOW WILL CONTINUE
OVERNIGHT AND INTO MONDAY MORNING, AND COULD BE LOCALLY HEAVY AT
TIMES BEFORE DAYBREAK ON MONDAY. THE AIR MASS IS EXPECTED TO COOL
SUFFICIENTLY, THEREFORE SNOW IS ANTICIPATED TO BECOME THE MAIN
PRECIPITATION TYPE WITH THIS STORM. THE SNOW WILL THEN BECOME
INTERMITTENT DURING MONDAY MORNING. A STORM TOTAL OF 3 TO 6 INCHES
OF SNOW IS ANTICIPATED. THERE IS THE POTENTIAL FOR A FAIRLY SHARP
GRADIENT IN THE SNOWFALL AMOUNTS TO OCCUR, ESPECIALLY ACROSS
MONMOUTH COUNTY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. STAY TUNED TO
NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLETS FOR THE
LATEST ON THIS DEVELOPING WINTER STORM.

$$

GORSE/KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 4:57 AM ESTHeavy Snow WarningPHIHunterdon, Morris, Somerset, Sussex, Warren21 hr

Nearby

Winter Storm Watches in New Jersey, 2008Every winter storm watch in 2008

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.