Alert archive / New Jersey / Freeze Watches in 2012
Freeze Watch 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze watch at Apr 27, 2012, 3:38 AM EDT for 4 counties in New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at Apr 28, 2012, 2:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 27, 2012, 3:38 AM EDT (07:38 UTC)
- In effect from
- Apr 28, 2012, 2:00 AM EDT
- Expired
- Apr 27, 2012, 3:18 PM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 07:38 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, 7.6 hours before the alert went out and 192 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
283 WWUS71 KPHI 270738 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 338 AM EDT FRI APR 27 2012 NJZ001-PAZ054-055-272000- /O.UPG.KPHI.FZ.A.0003.120428T0600Z-120428T1200Z/ /O.NEW.KPHI.FZ.W.0009.120428T0400Z-120428T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 338 AM EDT FRI APR 27 2012 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * LOW TEMPERATURES...24 TO 32 DEGREES EARLY SATURDAY MORNING. * TIMING...FREEZING TEMPERATURES MAY BEGIN AS EARLY AS MIDNIGHT TONIGHT AND SOME PLACES MAY HAVE FREEZING TEMPERATURES FOR 6 TO 8 HOURS. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ007>010-PAZ060>062-067>069-272000- /O.NEW.KPHI.FZ.A.0004.120428T0600Z-120428T1200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-CHESTER- MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... WEST CHESTER...NORRISTOWN...DOYLESTOWN 338 AM EDT FRI APR 27 2012 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING. * LOW TEMPERATURES...MAINLY IN THE UPPER 20S TO LOWER 30S SATURDAY MORNING IN THE COUNTRYSIDE. URBAN CENTERS MAY BE SLIGHTLY WARMER. * TIMING...MAINLY BETWEEN 3 AM AND 7 AM SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DRAG
2 follow-up statements
881 WWUS71 KPHI 271430 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1030 AM EDT FRI APR 27 2012 NJZ007-PAZ060>062-272230- /O.UPG.KPHI.FZ.A.0004.120428T0600Z-120428T1200Z/ /O.EXB.KPHI.FZ.W.0009.120428T0600Z-120428T1200Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 1030 AM EDT FRI APR 27 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING. IT IS IN EFFECT FROM 200 AM UNTIL 800 AM SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * LOW TEMPERATURES...MAINLY IN THE UPPER 20S TO LOWER 30S EARLY ON SATURDAY MORNING IN THE COUNTRYSIDE. URBAN CENTERS MAY BE SLIGHTLY WARMER. * TIMING...MAINLY BETWEEN 300 AM AND 700 AM SATURDAY. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING INDICATES THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE SUB-FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE VEGETATION. && $$ NJZ001-PAZ054-055-272230- /O.CON.KPHI.FZ.W.0009.120428T0400Z-120428T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1030 AM EDT FRI APR 27 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SATURDAY... * LOW TEMPERATURES...24 TO 32 DEGREES EARLY SATURDAY MORNING. * TIMING...FREEZING TEMPERATURES MAY OCCUR AS EARLY AS MIDNIGHT AND SOME LOCATIONS MAY HAVE FREEZING TEMPERATURES FOR 6 TO 8 HOURS. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING INDICATES THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE SUB-FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE VEGETATION. && $$ NJZ008>010-PAZ067>069-272230- /O.CON.KPHI.FZ.A.0004.120428T0600Z-120428T1200Z/ MORRIS-HUNTERDON-SOMERSET-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... WEST CHESTER...NORRISTOWN...DOYLESTOWN 1030 AM EDT FRI APR 27 2012 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * LOW TEMPERATURES...MAINLY IN THE UPPER 20S TO LOWER 30S EARLY ON SATURDAY MORNING IN THE COUNTRYSIDE. URBAN CENTERS MAY BE SLIGHTLY WARMER. * TIMING...MAINLY BETWEEN 300 AM AND 700 AM SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH INDICATES THAT SUB-FREEZING TEMPERATURES ARE POSSIBLE. THE SUB-FREEZING TEMPERATURES COULD DAMAGE OR KILL SENSITIVE VEGETATION. && $$ IOVINO
258 WWUS71 KPHI 271918 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 318 PM EDT FRI APR 27 2012 NJZ008>010-PAZ067>069-281200- /O.UPG.KPHI.FZ.A.0004.120428T0600Z-120428T1200Z/ /O.EXA.KPHI.FZ.W.0009.120428T0600Z-120428T1200Z/ MORRIS-HUNTERDON-SOMERSET-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... WEST CHESTER...NORRISTOWN...DOYLESTOWN 318 PM EDT FRI APR 27 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING.. IT IS IN EFFECT FROM 200 AM UNTIL 800 AM SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * LOW TEMPERATURES...MAINLY IN THE UPPER 20S AND LOWER 30S FROM LATE TONIGHT INTO EARLY SATURDAY MORNING. URBAN CENTERS MAY BE SLIGHTLY WARMER. * TIMING...MAINLY BETWEEN 300 AM AND 800 AM SATURDAY. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING INDICATES THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE SUB-FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE VEGETATION. && $$ NJZ001-PAZ054-055-281200- /O.CON.KPHI.FZ.W.0009.120428T0400Z-120428T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 318 PM EDT FRI APR 27 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SATURDAY... * LOW TEMPERATURES...24 TO 32 DEGREES FROM LATE TONIGHT INTO EARLY SATURDAY MORNING. * TIMING...FREEZING TEMPERATURES MAY OCCUR AS EARLY AS MIDNIGHT AND SOME LOCATIONS MAY HAVE FREEZING TEMPERATURES FOR 6 TO 8 HOURS. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING INDICATES THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE SUB-FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE VEGETATION. && $$ NJZ007-PAZ060>062-281200- /O.CON.KPHI.FZ.W.0009.120428T0600Z-120428T1200Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 318 PM EDT FRI APR 27 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... * LOW TEMPERATURES...MAINLY IN THE UPPER 20S AND LOWER 30S FROM LATE TONIGHT INTO EARLY SATURDAY MORNING. URBAN CENTERS MAY BE SLIGHTLY WARMER. * TIMING...MAINLY BETWEEN 300 AM AND 800 AM SATURDAY. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING INDICATES THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE SUB-FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE VEGETATION. && $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027-PAZ070- 281200- /O.NEW.KPHI.FR.Y.0006.120428T0800Z-120428T1200Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON-DELAWARE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...MEDIA 318 PM EDT FRI APR 27 2012 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY. IT IS IN EFFECT FROM 400 AM UNTIL 800 AM SATURDAY. * LOW TEMPERATURES...MAINLY IN THE MIDDLE AND UPPER 30S FROM LATE TONIGHT INTO EARLY SATURDAY MORNING. * TIMING...MAINLY BETWEEN 400 AM AND 800 AM. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION MAY SUFFER DAMAGE IF NOT PROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED IF LEFT UNPROTECTED. && $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:10 AM EDT | Gale Warning | PHI | 16 hr | |
| Apr 27, 3:38 AM EDT | Freeze Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 28 hr |
| Apr 27, 3:18 PM EDT | Frost Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 17 hr |
Nearby
Freeze Watches in New Jersey, 2012Freeze Watches in Pennsylvania, 2012Every freeze watch 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.