Alert archive / New Jersey / Freeze Warnings in 2011

Freeze Warning 2, NWS Philadelphia/Mount Holly

October 30, 20114 states

NWS Philadelphia/Mount Holly issued this freeze warning at Oct 30, 2011, 3:55 AM EDT for 4 states. It took effect at Oct 31, 2011, 2:00 AM EDT. It was in force for 7 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 30, 2011, 3:55 AM EDT (07:55 UTC)
In effect from
Oct 31, 2011, 2:00 AM EDT
Expired
Oct 31, 2011, 8:55 AM EDT
In force
7 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 07:57 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.9 hours before the alert went out and 171 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, Wallops Is Stn, VA at 00:00Z on 2011-10-30Temperature 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, Wallops Is Stn, VA at 00:00Z on 2011-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 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
714 m above ground
0-6 km bulk shear
106 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
108 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.

916 
WWUS71 KPHI 300755
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
355 AM EDT SUN OCT 30 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ016>018-020>023-027-302000-
/O.UPG.KPHI.FZ.A.0002.111031T0600Z-111031T1200Z/
/O.NEW.KPHI.FZ.W.0002.111031T0600Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-SALEM-GLOUCESTER-CAMDEN-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST
355 AM EDT SUN OCT 30 2011

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* LOCATIONS...MUCH OF THE EASTERN SHORE OF MARYLAND, MOST OF
  DELAWARE, MOST OF SOUTHERN NEW JERSEY AND PORTIONS OF
  SOUTHEASTERN PENNSYLVANIA.

* HAZARDS...FREEZING TEMPERATURES.

* TEMPERATURES...IN THE LOWER 30S.

* TIMING...LATE TONIGHT INTO EARLY MONDAY MORNING.

* IMPACTS...ENOUGH FREEZING TEMPERATURES TO POTENTIALLY END THE
  GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NJZ013-019-PAZ070-071-302000-
/O.NEW.KPHI.FZ.W.0002.111031T0600Z-111031T1300Z/
WESTERN MONMOUTH-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...FREEHOLD...MOORESTOWN...MOUNT HOLLY...
MEDIA...PHILADELPHIA
355 AM EDT SUN OCT 30 2011

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. 

* LOCATIONS...MUCH OF THE EASTERN SHORE OF MARYLAND, MOST OF
  DELAWARE, MOST OF SOUTHERN NEW JERSEY AND PORTIONS OF
  SOUTHEASTERN PENNSYLVANIA.

* HAZARDS...FREEZING TEMPERATURES.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT INTO EARLY MONDAY MORNING.

* IMPACTS...ENOUGH FREEZING TEMPERATURES TO POTENTIALLY END THE
  GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
441 
WWUS71 KPHI 301538
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1138 AM EDT SUN OCT 30 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ013-016>023-027-PAZ070-071-
302200-
/O.CON.KPHI.FZ.W.0002.111031T0600Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...FREEHOLD...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...WHARTON STATE FOREST...MEDIA...
PHILADELPHIA
1138 AM EDT SUN OCT 30 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
MONDAY...

* TEMPERATURES...NEAR 30 DEGREES EARLY MONDAY MORNING. HOWEVER,
  URBAN CENTERS, AREAS CLOSER TO THE COASTS OF CHESAPEAKE BAY AND
  DELAWARE BAY AS WELL AS THE ATLANTIC COASTS OF NEW JERSEY AND
  DELAWARE, SHOULD ONLY DROP INTO THE MID 30S.

* IMPACTS...ENOUGH FREEZING TEMPERATURES SHOULD END THE GROWING
  SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GORSE
206 
WWUS71 KPHI 301924
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
324 PM EDT SUN OCT 30 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ013-016>023-027-PAZ070-071-
311300-
/O.CON.KPHI.FZ.W.0002.111031T0600Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...FREEHOLD...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...WHARTON STATE FOREST...MEDIA...
PHILADELPHIA
324 PM EDT SUN OCT 30 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
MONDAY...

* TEMPERATURES...NEAR 30 DEGREES EARLY MONDAY MORNING. HOWEVER,
  URBAN CENTERS, AREAS CLOSER TO THE COASTS OF CHESAPEAKE BAY AND
  DELAWARE BAY AS WELL AS THE ATLANTIC COASTS OF NEW JERSEY AND
  DELAWARE, SHOULD ONLY DROP INTO THE MID 30S.

* IMPACTS...ENOUGH FREEZING TEMPERATURES SHOULD END THE GROWING 
  SEASON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GORSE
067 
WWUS71 KPHI 310148
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
948 PM EDT SUN OCT 30 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ013-016>023-027-PAZ070-071-
311300-
/O.CON.KPHI.FZ.W.0002.111031T0600Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...FREEHOLD...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...WHARTON STATE FOREST...MEDIA...
PHILADELPHIA
948 PM EDT SUN OCT 30 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
MONDAY...

* TEMPERATURES...DROPPING INTO THE UPPER 20S AND LOWER 30S.

* IMPACTS...ENOUGH FREEZING TEMPERATURES SHOULD END THE GROWING 
  SEASON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
335 
WWUS71 KPHI 310800
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 AM EDT MON OCT 31 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ013-016>023-027-PAZ070-071-
311300-
/O.CON.KPHI.FZ.W.0002.000000T0000Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...FREEHOLD...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...WHARTON STATE FOREST...MEDIA...
PHILADELPHIA
400 AM EDT MON OCT 31 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

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

* IMPACTS...ENOUGH FREEZING TEMPERATURES TO END THE GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
900 
WWUS71 KPHI 311255
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
855 AM EDT MON OCT 31 2011

DEZ001>003-MDZ008-012-015-019-020-NJZ013-016>023-027-PAZ070-071-
311400-
/O.CAN.KPHI.FZ.W.0002.000000T0000Z-111031T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...FREEHOLD...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...WHARTON STATE FOREST...MEDIA...
PHILADELPHIA
855 AM EDT MON OCT 31 2011

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
FREEZE WARNING. 

WIDESPREAD FROST AND SUB-FREEZING TEMPERATURES HAVE OCCURRED
ACROSS CENTRAL AND SOUTHERN NEW JERSEY...ALL OF DELAWARE AND THE
EASTERN SHORE OF MARYLAND. THE GROWING SEASON IN THESE AREAS HAS
ENDED. 

THERE WILL BE NO FURTHER FROST OR FREEZE PRODUCTS ISSUED FROM OUR
OFFICE THIS SEASON.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 10:43 PM EDTCoastal Flood StatementPHIAtlantic, Burlington, Cape May, Ocean3 hr
Oct 30, 3:41 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean10 hr
Oct 30, 3:55 AM EDTGale WarningPHI3 hr
Oct 30, 3:55 AM EDTSmall Craft AdvisoryPHI16 hr

Nearby

Freeze Warnings in New Jersey, 2011Freeze Warnings in Maryland, 2011Freeze Warnings in Delaware, 2011Every freeze warning in 2011

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.