Alert archive / New Jersey / Freeze Warnings in 2012
Freeze Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Apr 5, 2012, 7:51 AM EDT for 9 counties in New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania; Cecil County, Maryland. It took effect at Apr 6, 2012, 3:00 AM EDT. It was in force for 5 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 5, 2012, 7:51 AM EDT (11:51 UTC)
- In effect from
- Apr 6, 2012, 3:00 AM EDT
- Expired
- Apr 6, 2012, 8:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 11:52 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, 11.9 hours before the alert went out and 195 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
- 2944 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
205 WWUS71 KPHI 051151 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 751 AM EDT THU APR 5 2012 NJZ007-PAZ060>062-052100- /O.CAN.KPHI.FR.Y.0002.000000T0000Z-120405T1200Z/ /O.NEW.KPHI.FZ.W.0005.120406T0700Z-120406T1200Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 751 AM EDT THU APR 5 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY... ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY. * TEMPERATURES...NEAR 30 DEGREES. * TIMING...AFTER MIDNIGHT TONIGHT. * IMPACTS...FLOWERING FRUIT TREES AND OTHER VEGETATION SENSITIVE TO THE COLD MAY SUFFER DAMAGE. MORE FREEZING TEMPERATURES ARE POSSIBLE AGAIN ON FRIDAY NIGHT. * GEOGRAPHICAL EXPANSION OF WARNING...MAY BE EXTENDED INTO PARTS OF THE PHILADELPHIA SUBURBS AND DELMARVA LATER TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. WHERE POSSIBLE BRING AND LEAVE SENSITIVE VEGETATION INDOORS. && $$ NJZ008>010-020>022-027-052100- /O.NEW.KPHI.FZ.W.0005.120406T0700Z-120406T1200Z/ MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... JACKSON...MILLVILLE...HAMMONTON...WHARTON STATE FOREST 751 AM EDT THU APR 5 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY. * TEMPERATURES...IN THE LOWER 30S. * TIMING...AFTER MIDNIGHT TONIGHT. * IMPACTS...FLOWERING FRUIT TREES AND OTHER VEGETATION SENSITIVE TO THE COLD MAY SUFFER DAMAGE. MORE FREEZING TEMPERATURES ARE POSSIBLE AGAIN ON FRIDAY NIGHT. * GEOGRAPHICAL EXPANSION OF WARNING...MAY BE EXTENDED INTO PARTS OF THE PHILADELPHIA SUBURBS AND DELMARVA LATER TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. WHERE POSSIBLE BRING AND LEAVE SENSITIVE VEGETATION INDOORS. && $$
2 follow-up statements
514 WWUS71 KPHI 051925 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 325 PM EDT THU APR 5 2012 ...FREEZING TEMPERATURES ARE EXPECTED... .HIGH PRESSURE OVER THE GREAT LAKES WILL PROVIDE NORTHERLY WINDS TONIGHT AND INTO THE WEEKEND. THE CONDITIONS ARE EXPECTED TO RESULT IN COLD TEMPERATURES AT NIGHT. THE LOW TEMPERATURES ARE FORECAST TO DROP TO OR BELOW FREEZING LATE TONIGHT, AND PROBABLY AGAIN LATE FRIDAY AND SATURDAY NIGHTS. SENSITIVE VEGETATION, WHICH WAS PLANTED EARLY OR HAS BLOOMED EARLY, WILL NEED TO BE PROTECTED FROM THE COLD. MDZ008-NJZ015-PAZ067>069-061200- /O.EXA.KPHI.FZ.W.0005.120406T0700Z-120406T1200Z/ CECIL-MERCER-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...ELKTON...TRENTON...WEST CHESTER... NORRISTOWN...DOYLESTOWN 325 PM EDT THU APR 5 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY. * TEMPERATURES...AROUND 32 DEGREES EARLY FRIDAY MORNING. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED, AS TEMPERATURES DROP TO OR JUST BELOW FREEZING EARLY FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL FREEZE WARNINGS ARE POSSIBLE FOR THE NEXT COUPLE OF NIGHTS AS WELL. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL NEWS SOURCE FOR LATER UPDATES AND STATEMENTS. A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL OR GARDENING INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE. && $$ NJZ007>010-020>022-027-PAZ060>062-061200- /O.CON.KPHI.FZ.W.0005.120406T0700Z-120406T1200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON 325 PM EDT THU APR 5 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY... * TEMPERATURES...AROUND 30 DEGREES EARLY FRIDAY MORNING. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED, AS TEMPERATURES DROP TO JUST BELOW FREEZING EARLY FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL FREEZE WARNINGS ARE POSSIBLE FOR THE NEXT COUPLE OF NIGHTS AS WELL. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL NEWS SOURCE FOR LATER UPDATES AND STATEMENTS. A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL OR GARDENING INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE. && $$ GORSE
673 WWUS71 KPHI 061211 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 811 AM EDT FRI APR 6 2012 MDZ008-NJZ007>010-015-020>022-027-PAZ060>062-067>069-070400- /O.EXP.KPHI.FZ.W.0005.000000T0000Z-120406T1200Z/ /O.NEW.KPHI.FZ.W.0006.120407T0800Z-120407T1200Z/ CECIL-WARREN-MORRIS-HUNTERDON-SOMERSET-MERCER-OCEAN-CUMBERLAND- ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON-CHESTER- MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...ELKTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...TRENTON...JACKSON...MILLVILLE... HAMMONTON...WHARTON STATE FOREST...READING...ALLENTOWN... BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN 811 AM EDT FRI APR 6 2012 ...FREEZE WARNING IN EFFECT FROM 4 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 4 AM TO 8 AM EDT SATURDAY. * TEMPERATURES...IN THE UPPER 20S AND LOWER 30S. * TIMING...FREEZING TEMPERATURES WILL OCCUR AGAIN LATE TONIGHT INTO EARLY SATURDAY MORNING. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED...AS TEMPERATURES DROP TO JUST BELOW FREEZING EARLY SATURDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL FREEZE WARNINGS ARE POSSIBLE FOR SATURDAY NIGHT AS WELL. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL NEWS SOURCE FOR LATER UPDATES AND STATEMENTS. A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL OR GARDENING INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION AND BLOSSOMING FRUIT TREES. POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE BROUGHT AND KEPT INSIDE UNTIL THIS RUN OF COLD WEATHER ENDS. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 3:15 PM EDT | Fire Weather Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 11 hr |
| Apr 5, 3:36 PM EDT | Small Craft Advisory | PHI | 20 hr |
Nearby
Freeze Warnings in New Jersey, 2012Freeze Warnings in Pennsylvania, 2012Freeze Warnings in Maryland, 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.