Alert archive / New Jersey / Freeze Warnings in 2013

Freeze Warning 4, NWS Philadelphia/Mount Holly

October 25, 20134 states

NWS Philadelphia/Mount Holly issued this freeze warning at Oct 25, 2013, 1:32 PM EDT for 4 states. It took effect at Oct 26, 2013, 3:00 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 25, 2013, 1:32 PM EDT (17:32 UTC)
In effect from
Oct 26, 2013, 3:00 AM EDT
Expired
Oct 26, 2013, 9:00 AM EDT
In force
6 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, Cape May County, NJ, Cumberland County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Berks County, PA, Chester County, PA, Montgomery County, PA

The radar

The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 17:37 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, 5.5 hours before the alert went out and 70 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 2013-10-25Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
975 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
72 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.

115 
WWUS71 KPHI 251732
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
132 PM EDT FRI OCT 25 2013
 
DEZ001-002-MDZ008-NJZ012-013-015-016-020>022-027-PAZ060-101>103-
260400-
/O.UPG.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/
/O.NEW.KPHI.FZ.W.0004.131026T0700Z-131026T1300Z/
NEW CASTLE-KENT-CECIL-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-
OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...
NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST...READING...
HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE...
COLLEGEVILLE...POTTSTOWN
132 PM EDT FRI OCT 25 2013

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY.  

* TEMPERATURES...RIGHT AROUND FREEZING ON SATURDAY MORNING. 

* TIMING...TEMPERATURES WILL FALL QUICKLY THIS EVENING AND START
  REACHING THE FREEZING MARK TOWARD SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS WILL BE KILLED IF NOT
  BROUGHT INDOORS OR LEFT UNCOVERED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DEZ003-MDZ012-015-019-020-NJZ023-260400-
/O.NEW.KPHI.FZ.W.0004.131026T0700Z-131026T1300Z/
INLAND SUSSEX-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-CAPE MAY-
INCLUDING THE CITIES OF...GEORGETOWN...CHESTERTOWN...
CENTREVILLE...EASTON...DENTON...CAPE MAY COURT HOUSE
132 PM EDT FRI OCT 25 2013

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY.

* TEMPERATURES...AREAS OF MINIMUM TEMPERATURES IN THE LOWER 30S.

* TIMING...TEMPERATURES WILL FALL QUICKLY THIS EVENING AND START
  REACHING THE FREEZING MARK TOWARD DAWN ON SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS WILL LIKELY BE KILLED IF
  NOT BROUGHT INDOORS OR LEFT UNCOVERED. THIS IS MOST LIKELY TO
  OCCUR IN LOCATIONS FARTHER REMOVED FROM CHESAPEAKE AND DELAWARE
  BAYS.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NJZ017>019-PAZ070-071-104-106-260400-
/O.NEW.KPHI.FR.Y.0013.131026T0700Z-131026T1300Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
132 PM EDT FRI OCT 25 2013

...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY.

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

* TIMING...TEMPERATURES WILL FALL QUICKLY THIS EVENING AND FALL
  TOWARD THE FREEZING MARK ON SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS COULD BE KILLED OR DAMAGED
  IF NOT BROUGHT INDOORS OR LEFT UNCOVERED. THIS IS MOST LIKELY TO
  BE THE CASE IN THE MORE SURBURBAN AND RURAL AREAS WITHIN THE
  CURRENT ADVISORY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GIGI/MIKETTA
3 follow-up statements
507 
WWUS71 KPHI 260114
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
914 PM EDT FRI OCT 25 2013

DEZ001-002-MDZ008-NJZ012-013-015-016-020>022-027-PAZ060-101>103-
261300-
/O.CON.KPHI.FZ.W.0004.131026T0700Z-131026T1300Z/
NEW CASTLE-KENT-CECIL-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-
OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...
NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST...READING...
HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE...
COLLEGEVILLE...POTTSTOWN
914 PM EDT FRI OCT 25 2013

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...IN THE LOWER 30S BY MORNING.

* TIMING...TEMPERATURES WILL START REACHING THE FREEZING MARK
  AFTER 2 AM SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS WILL BE KILLED IF NOT 
  BROUGHT INDOORS OR LEFT UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DEZ003-MDZ012-015-019-020-NJZ023-261300-
/O.CON.KPHI.FZ.W.0004.131026T0700Z-131026T1300Z/
INLAND SUSSEX-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-CAPE MAY-
INCLUDING THE CITIES OF...GEORGETOWN...CHESTERTOWN...
CENTREVILLE...EASTON...DENTON...CAPE MAY COURT HOUSE
914 PM EDT FRI OCT 25 2013

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...MAINLY IN THE LOWER 30S.

* TIMING...TEMPERATURES WILL START REACHING THE FREEZING MARK
  TOWARD DAWN ON SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS WILL LIKELY BE KILLED IF 
  NOT BROUGHT INDOORS OR LEFT UNCOVERED. THIS IS MOST LIKELY TO 
  OCCUR IN LOCATIONS FARTHER REMOVED FROM CHESAPEAKE AND 
  DELAWARE BAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NJZ017>019-PAZ070-071-104-106-261300-
/O.CON.KPHI.FR.Y.0013.131026T0700Z-131026T1300Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
914 PM EDT FRI OCT 25 2013

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...MAINLY IN THE MID 30S.

* TIMING...TEMPERATURES WILL FALL TOWARD THE FREEZING MARK ON
  SATURDAY MORNING.

* IMPACTS...SENSITIVE PLANTS AND CROPS COULD BE KILLED OR 
  DAMAGED IF NOT BROUGHT INDOORS OR LEFT UNCOVERED. THIS IS MOST 
  LIKELY TO BE THE CASE IN THE MORE SUBURBAN AND RURAL AREAS 
  WITHIN THE CURRENT ADVISORY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
111 
WWUS71 KPHI 260800
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 AM EDT SAT OCT 26 2013

DEZ001-002-MDZ008-NJZ012-013-015-016-020>022-027-PAZ060-101>103-
261300-
/O.CON.KPHI.FZ.W.0004.000000T0000Z-131026T1300Z/
NEW CASTLE-KENT-CECIL-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-
OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...
NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST...READING...
HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE...
COLLEGEVILLE...POTTSTOWN
400 AM EDT SAT OCT 26 2013

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

* MINIMUM TEMPERATURES...IN THE LOWER 30S, ESPECIALLY IN OUTLYING
  AREAS AND AT LOCATIONS AWAY FROM LARGE BODIES OF WATER.

* IMPACTS...SENSITIVE PLANTS WILL BE KILLED OR DAMAGED BY THE
  FREEZING TEMPERATURES IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS FREEZE WARNING MEANS THAT SUB-FREEZING TEMPERATURES ARE
EXPECTED. THE SUB-FREEZING TEMPERATURES WILL KILL OR DAMAGE
SENSITIVE CROPS AND VEGETATION.

&&

$$

DEZ003-MDZ012-015-019-020-NJZ023-261300-
/O.CON.KPHI.FZ.W.0004.000000T0000Z-131026T1300Z/
INLAND SUSSEX-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-CAPE MAY-
INCLUDING THE CITIES OF...GEORGETOWN...CHESTERTOWN...
CENTREVILLE...EASTON...DENTON...CAPE MAY COURT HOUSE
400 AM EDT SAT OCT 26 2013

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

* MINIMUM TEMPERATURES...IN THE LOWER 30S, ESPECIALLY IN OUTLYING
  AREAS AND AT LOCATIONS AWAY FROM LARGE BODIES OF WATER.

* IMPACTS...SENSITIVE PLANTS WILL BE KILLED OR DAMAGED BY THE
  FREEZING TEMPERATURES IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS FREEZE WARNING MEANS THAT SUB-FREEZING TEMPERATURES ARE
EXPECTED. THE SUB-FREEZING TEMPERATURES WILL KILL OR DAMAGE
SENSITIVE CROPS AND VEGETATION.

&&

$$

NJZ017>019-PAZ070-071-104-106-261300-
/O.CON.KPHI.FR.Y.0013.000000T0000Z-131026T1300Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
400 AM EDT SAT OCT 26 2013

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...

* MINIMUM TEMPERATURES...IN THE MIDDLE 30S, ESPECIALLY IN
  OUTLYING AREAS AND AT LOCATIONS AWAY FROM LARGE BODIES OF WATER.

* IMPACTS...SENSITIVE PLANTS MAY BE KILLED OR DAMAGED BY THE
  FROST IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED OR DAMAGED IF LEFT UNPROTECTED.

&&

$$

IOVINO
496 
WWUS71 KPHI 261303
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 AM EDT SAT OCT 26 2013

DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015-016-020>023-027-
PAZ060-101>103-261415-
/O.EXP.KPHI.FZ.W.0004.000000T0000Z-131026T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS-WESTERN CHESTER-
EASTERN CHESTER-WESTERN MONTGOMERY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST...READING...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN
903 AM EDT SAT OCT 26 2013

...FREEZE WARNING HAS EXPIRED...

THE THREAT FOR FURTHER FREEZING TEMPERATURES HAS PASSED. 

$$

NJZ017>019-PAZ070-071-104-106-261415-
/O.EXP.KPHI.FR.Y.0013.000000T0000Z-131026T1300Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
903 AM EDT SAT OCT 26 2013

...FROST ADVISORY HAS EXPIRED...

THE THREAT FOR FURTHER FROST HAS PASSED. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 3:47 AM EDTFreeze WatchPHIAtlantic, Burlington, Cumberland, Mercer, Middlesex, Monmouth and 2 more10 hr
Oct 25, 1:32 PM EDTFrost AdvisoryPHIBurlington, Camden, Gloucester19 hr
Oct 25, 5:50 PM EDTSmall Craft AdvisoryPHI36 hr

Nearby

Freeze Warnings in New Jersey, 2013Freeze Warnings in Maryland, 2013Freeze Warnings in Pennsylvania, 2013Every freeze warning in 2013

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.