Alert archive / New Jersey / Freeze Warnings in 2012

Freeze Warning 2, NWS Philadelphia/Mount Holly

March 27, 20126 counties in New Jersey

NWS Philadelphia/Mount Holly issued this freeze warning at Mar 27, 2012, 3:28 PM EDT for 6 counties in New Jersey. It took effect at Mar 28, 2012, 12:00 AM EDT. It was in force for 3 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
Mar 27, 2012, 3:28 PM EDT (19:28 UTC)
In effect from
Mar 28, 2012, 12:00 AM EDT
Expired
Mar 28, 2012, 3:02 AM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Ocean County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 19:28 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, 7.5 hours before the alert went out and 131 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 2012-03-27Temperature 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 2012-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897117136Sfc1 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
1868 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
89 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 271928
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
328 PM EDT TUE MAR 27 2012

NJZ009-010-020>022-027-280900-
/O.NEW.KPHI.FZ.W.0002.120328T0400Z-120328T1000Z/
HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST
328 PM EDT TUE MAR 27 2012

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM EDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM EDT
WEDNESDAY.

* TEMPERATURES...DROPPING INTO THE UPPER 20S TO AROUND 30.

* IMPACTS...DUE TO AN UNUSUALLY WARM WINTER AND EARLY SPRING... 
  THE GROWING SEASON HAS BEGUN AROUND THE REGION. ANY VEGETATION 
  SUSCEPTIBLE TO FREEZING TEMPERATURES OVER A PERIOD OF THREE OR 
  MORE HOURS WOULD BE AT RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MEOLA
2 follow-up statements
701 
WWUS71 KPHI 280131
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
931 PM EDT TUE MAR 27 2012

NJZ009-010-020>022-027-281000-
/O.CON.KPHI.FZ.W.0002.120328T0400Z-120328T1000Z/
HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST
931 PM EDT TUE MAR 27 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 6 AM EDT WEDNESDAY...

* TEMPERATURES...DROPPING INTO THE UPPER 20S TO AROUND 30.

* IMPACTS...DUE TO AN UNUSUALLY WARM WINTER AND EARLY SPRING... 
  THE GROWING SEASON HAS BEGUN AROUND THE REGION. ANY VEGETATION 
  SUSCEPTIBLE TO FREEZING TEMPERATURES OVER A PERIOD OF THREE OR 
  MORE HOURS WOULD BE AT RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
091 
WWUS71 KPHI 280702
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 AM EDT WED MAR 28 2012

NJZ009-010-020>022-027-280815-
/O.CAN.KPHI.FZ.W.0002.000000T0000Z-120328T1000Z/
HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...JACKSON...
MILLVILLE...HAMMONTON...WHARTON STATE FOREST
302 AM EDT WED MAR 28 2012

...FREEZE WARNING IS CANCELLED...

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

TEMPERATURES HAVE RISEN ABOVE THE FREEZING MARK ACROSS THE
REGION...AND WILL REMAIN STEADY OR SLOWLY RISE FOR THE REST OF THE
EARLY MORNING. 

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 9:39 PM EDTSmall Craft AdvisoryPHI19 hr
Mar 27, 3:11 PM EDTSmall Craft AdvisoryPHI55 hr

Nearby

Freeze Warnings in New Jersey, 2012Every freeze warning in 2012

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.