Alert archive / New Jersey / Freeze Warnings in 2016

Freeze Warning 6, NWS Philadelphia/Mount Holly

April 13, 201615 counties in New Jersey; 6 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this freeze warning at Apr 13, 2016, 6:30 PM EDT for 15 counties in New Jersey; 6 counties in Pennsylvania. It took effect at Apr 14, 2016, 12:00 AM EDT. It was in force for 8 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
Apr 13, 2016, 6:30 PM EDT (22:30 UTC)
In effect from
Apr 14, 2016, 12:00 AM EDT
Expired
Apr 14, 2016, 7:44 AM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly
All 21 counties

Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 54 km from the middle of the area, began a volume at 22:30 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, 10.5 hours before the alert went out and 125 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 2016-04-13Temperature 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 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 2016-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.193958Sfc1 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
1389 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

512 
WWUS71 KPHI 132230
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
630 PM EDT WED APR 13 2016

NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141200-
/O.UPG.KPHI.FR.Y.0002.160414T0400Z-160414T1200Z/
/O.NEW.KPHI.FZ.W.0006.160414T0400Z-160414T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS-
LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
630 PM EDT WED APR 13 2016

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
THURSDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT.

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

* TIMING...BETWEEN MIDNIGHT AND 8 AM THURSDAY.

* IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141200-
/O.NEW.KPHI.FR.Y.0003.160414T0400Z-160414T1200Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON...
WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE...
MORRISVILLE...DOYLESTOWN
630 PM EDT WED APR 13 2016

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
THURSDAY...

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

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

* TIMING...BETWEEN MIDNIGHT AND 8 AM THURSDAY.

* IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
2 follow-up statements
946 
WWUS71 KPHI 140840
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
440 AM EDT THU APR 14 2016

NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141200-
/O.CON.KPHI.FZ.W.0006.000000T0000Z-160414T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS-
LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
440 AM EDT THU APR 14 2016

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* TEMPERATURES...IN THE UPPER 20S AND LOWER 30S EARLY THIS
  MORNING.

* IMPACTS...SENSITIVE PLANTS WILL BE DAMAGED OR KILLED IF NOT
  PROTECTED OR BROUGHT INSIDE.

* OUTLOOK...FREEZE WARNINGS AND FROST ADVISORIES MAY BE NEEDED
  AGAIN LATE TONIGHT AND EARLY FRIDAY MORNING WITH FORECAST MINIMUM
  TEMPERATURES IN THE LOWER AND MIDDLE 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141200-
/O.CON.KPHI.FR.Y.0003.000000T0000Z-160414T1200Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON...
WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE...
MORRISVILLE...DOYLESTOWN
440 AM EDT THU APR 14 2016

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* TEMPERATURES...IN THE MID 30S EARLY THIS MORNING.

* IMPACTS...FROST-SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF
  NOT PROTECTED OR BROUGHT INSIDE.

* OUTLOOK...FROST ADVISORIES MAY BE NEEDED AGAIN LATE TONIGHT AND
  EARLY FRIDAY MORNING WITH FORECAST MINIMUM TEMPERATURES IN THE
  MIDDLE 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
JRK
241 
WWUS71 KPHI 141144
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
744 AM EDT THU APR 14 2016

NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141245-
/O.CAN.KPHI.FZ.W.0006.000000T0000Z-160414T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS-
LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
744 AM EDT THU APR 14 2016

...FREEZE WARNING IS CANCELLED...

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

TEMPERATURES ACROSS THE WARNING AREA HAVE RISEN ABOVE THE
FREEZING MARK. THEREFORE, THE FREEZE WARNING HAS BEEN CANCELLED..

$$

DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141245-
/O.CAN.KPHI.FR.Y.0003.000000T0000Z-160414T1200Z/
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON...
WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE...
MORRISVILLE...DOYLESTOWN
744 AM EDT THU APR 14 2016

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
FROST ADVISORY.

TEMPERATURES ACROSS THE ADVISORY AREA HAVE RISEN ABOVE THE
FREEZING MARK. THEREFORE, THE FROST ADVISORY HAS BEEN CANCELLED.

$$

MEOLA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 3:19 AM EDTFrost AdvisoryPHIAtlantic, Burlington, Camden, Gloucester, Monmouth, Ocean5 hr
Apr 13, 12:37 PM EDTSmall Craft AdvisoryPHI4 days
Apr 13, 3:28 PM EDTFrost AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more3 hr
Apr 13, 6:30 PM EDTFrost AdvisoryPHIMercer13 hr

Nearby

Freeze Warnings in New Jersey, 2016Freeze Warnings in Pennsylvania, 2016Every freeze warning in 2016

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.