Alert archive / Pennsylvania / Freeze Warnings in 2008

Freeze Warning 2, NWS Philadelphia/Mount Holly

October 6, 2008Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this freeze warning at Oct 6, 2008, 5:13 AM EDT for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It took effect at Oct 7, 2008, 2:00 AM EDT. It was in force for 6 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
Oct 6, 2008, 5:13 AM EDT (09:13 UTC)
In effect from
Oct 7, 2008, 2:00 AM EDT
Expired
Oct 7, 2008, 8:00 AM EDT
In force
6 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 09:19 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, 9.2 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 2008-10-06Temperature 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 2008-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 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
987 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
60 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 
WWUS71 KPHI 060913
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
513 AM EDT MON OCT 6 2008

...VERY COLD AIR TO MOVE IN AS COLD CANADIAN HIGH PRESSURE BUILDS
OVER REGION...

.FIRST WIDESPREAD FREEZE OF THE SEASON TONIGHT...

NJZ001-PAZ054-055-061715-
/O.NEW.KPHI.FZ.W.0002.081007T0600Z-081007T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
513 AM EDT MON OCT 6 2008

...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. 

TEMPERATURES ON THE THIRD AND FOURTH OF OCTOBER BRIEFLY REACHED 32
OR BELOW OVER A SMALL PART OF THE COUNTIES. HOWEVER...TEMPERATURES
TONIGHT WILL DROP TO FREEZE AND BELOW FOR SEVERAL HOURS. 

CLOUDS WILL PUSH SOUTH TODAY WITH A FEW SPRINKLES OR LIGHT SHOWERS
THIS MORNING, THEN HIGH PRESSURE WILL BUILD OVER THE REGION THIS
AFTERNOON. AFTER SUNSET THE SKIES WILL BE CLEAR, THE WINDS LIGHT
AND IDEAL FOR TEMPERATURES TO FALL AT OR SLIGHTLY BELOW FREEZING.

EVEN LOWER TEMPERATURES MAY BE THE CASE AGAIN EARLY WEDNESDAY MORNING.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

$$

NJZ007-008-PAZ060>062-061715-
/O.NEW.KPHI.FR.Y.0005.081007T0600Z-081007T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
513 AM EDT MON OCT 6 2008

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. 

CLOUDS WILL PUSH SOUTH TODAY WITH A FEW SPRINKLES OR LIGHT
SHOWERS THIS MORNING, THEN HIGH PRESSURE WILL BUILD OVER THE
REGION THIS AFTERNOON. AFTER SUNSET THE SKIES WILL BE CLEAR, THE
WINDS LIGHT AND IDEAL FOR TEMPERATURES TO FALL INTO THE LOW AND
MID 30S ESPECIALLY OVER THE NORTHERN PARTS OF THE COUNTIES.
TEMPERATURES IN AND AROUND THE BIGGER CITIES WILL PROBABLY BE
BETWEEN 35 AND 40, BUT THE OUTLYING AREAS ARE LIKELY TO SEE FROSTY
CONDITIONS FOR SEVERAL HOURS. 

SIMILAR CONDITIONS, AND EVEN SOME TEMPERATURES BELOW FREEZING ARE
POSSIBLE EARLY WEDNESDAY MORNING. 

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$


EBERWINE
3 follow-up statements
000 
WWUS71 KPHI 060922 CCA
NPWPHI

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
517 AM EDT MON OCT 6 2008

...FIRST WIDESPREAD FREEZE AND FROST FOR PARTS OF EASTERN PENNSYLVANIA
TONIGHT...

.VERY COLD AIR TO MOVE IN AS COLD CANADIAN HIGH PRESSURE BUILDS OVER
REGION TONIGHT. THE POCONOS AND NORTHWEST NEW JERSEY LIKELY TO SEE A
WIDESPREAD FREEZE WHILE THE NORTHERN PARTS OF COUNTIES JUST TO THE
SOUTH WILL SEE FROSTY CONDITIONS.

NJZ001-PAZ054-055-061745-
/O.NEW.KPHI.FZ.W.0002.081007T0600Z-081007T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
517 AM EDT MON OCT 6 2008

...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. 

TEMPERATURES ON THE THIRD AND FOURTH OF OCTOBER BRIEFLY REACHED 32
OR BELOW OVER A SMALL PART OF THE COUNTIES. HOWEVER...TEMPERATURES
TONIGHT WILL DROP TO FREEZE AND BELOW FOR SEVERAL HOURS. 

CLOUDS WILL PUSH SOUTH TODAY WITH A FEW SPRINKLES OR LIGHT SHOWERS
THIS MORNING, THEN HIGH PRESSURE WILL BUILD OVER THE REGION THIS
AFTERNOON. AFTER SUNSET THE SKIES WILL BE CLEAR, THE WINDS LIGHT
AND IDEAL FOR TEMPERATURES TO FALL AT OR SLIGHTLY BELOW FREEZING.

EVEN LOWER TEMPERATURES MAY BE THE CASE AGAIN EARLY WEDNESDAY MORNING.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

$$

NJZ007-008-PAZ060>062-061745-
/O.NEW.KPHI.FR.Y.0005.081007T0600Z-081007T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
517 AM EDT MON OCT 6 2008

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. 

CLOUDS WILL PUSH SOUTH TODAY WITH A FEW SPRINKLES OR LIGHT
SHOWERS THIS MORNING, THEN HIGH PRESSURE WILL BUILD OVER THE
REGION THIS AFTERNOON. AFTER SUNSET THE SKIES WILL BE CLEAR, THE
WINDS LIGHT AND IDEAL FOR TEMPERATURES TO FALL INTO THE LOW AND
MID 30S ESPECIALLY OVER THE NORTHERN PARTS OF THE COUNTIES.
TEMPERATURES IN AND AROUND THE BIGGER CITIES WILL PROBABLY BE
BETWEEN 35 AND 40, BUT THE OUTLYING AREAS ARE LIKELY TO SEE FROSTY
CONDITIONS FOR SEVERAL HOURS. 

SIMILAR CONDITIONS, AND EVEN SOME TEMPERATURES BELOW FREEZING ARE
POSSIBLE EARLY WEDNESDAY MORNING. 

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$


EBERWINE
000 
WWUS71 KPHI 061855
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
255 PM EDT MON OCT 6 2008

...FIRST WIDESPREAD FREEZE AND FROST TONIGHT...

.VERY COLD AIR WILL BUILD ACROSS THE AREA TONIGHT AS CANADIAN
HIGH PRESSURE WILL AFFECT THE AREA. THE POCONOS AND NORTHWEST NEW
JERSEY LIKELY TO SEE A WIDESPREAD FREEZE WHILE THE NORTHERN PARTS
OF COUNTIES JUST TO THE SOUTH WILL SEE FROSTY CONDITIONS.

NJZ001-PAZ054-055-071200-
/O.CON.KPHI.FZ.W.0002.081007T0600Z-081007T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
255 PM EDT MON OCT 6 2008

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY.

SKIES WILL BE CLEAR TONIGHT AND WITH LIGHT WINDS, TEMPERATURES
WILL FALL INTO THE 30 TO 35 DEGREE RANGE OVERNIGHT. WHILE COLD
TEMPERATURES WERE ACROSS THE REGION THIS PAST WEEKEND, IT ONLY
AFFECTED SMALL PARTS OF THE AREA FOR SHORT PERIODS OF TIME.
TONIGHTS LOWS WILL BE MORE WIDESPREAD AND LAST FOR SEVERAL MORE
HOURS. THE END OF THE GROWING SEASON MAY OCCUR OVER THE WARNED
AREA TONIGHT.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

$$

NJZ007-008-PAZ060>062-071200-
/O.CON.KPHI.FR.Y.0005.081007T0600Z-081007T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
255 PM EDT MON OCT 6 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY.

SKIES WILL BE CLEAR TONIGHT AND WITH LIGHT WINDS, TEMPERATURES
WILL FALL INTO THE MID 30S OVERNIGHT. WHILE COLD TEMPERATURES WERE
ACROSS THE REGION THIS PAST WEEKEND, IT ONLY AFFECTED SMALL PARTS
OF THE AREA FOR SHORT PERIODS OF TIME. TONIGHTS LOWS WILL BE MORE
WIDESPREAD AND LAST FOR SEVERAL MORE HOURS. PATCHY TO WIDESPREAD
FROST MAY OCCUR TONIGHT. 

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$


PO
000 
WWUS71 KPHI 071215
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
815 AM EDT TUE OCT 7 2008

NJZ001-PAZ054-055-071315-
/O.EXP.KPHI.FZ.W.0002.000000T0000Z-081007T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
815 AM EDT TUE OCT 7 2008

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT.

WIDESPREAD FREEZING TEMPERATURES WERE REPORTED OVERNIGHT. 

$$

NJZ007-008-PAZ060>062-071315-
/O.EXP.KPHI.FR.Y.0005.000000T0000Z-081007T1200Z/
WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING...
ALLENTOWN...BETHLEHEM...EASTON
815 AM EDT TUE OCT 7 2008

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 

WIDESPREAD FROST CAN BE EXPECTED ONCE AGAIN LATE TONIGHT INTO
EARLY WEDNESDAY.

$$

RPW

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 5:13 AM EDTFrost AdvisoryPHIMorris, Warren27 hr

Nearby

Freeze Warnings in Pennsylvania, 2008Freeze Warnings in New Jersey, 2008Every freeze warning 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.