Alert archive / Pennsylvania / Freeze Warnings in 2012
Freeze Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Apr 12, 2012, 3:31 AM EDT for 4 counties in Pennsylvania; Sussex County, Warren County, New Jersey. It took effect at Apr 13, 2012, 2:00 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
- Apr 12, 2012, 3:31 AM EDT (07:31 UTC)
- In effect from
- Apr 13, 2012, 2:00 AM EDT
- Expired
- Apr 13, 2012, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 128 km from the middle of the area, began a volume at 07:35 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, 7.5 hours before the alert went out and 202 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
- 1859 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
835 WWUS71 KPHI 120731 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 331 AM EDT THU APR 12 2012 NJZ001-007-PAZ054-055-061-062-122045- /O.CAN.KPHI.FR.Y.0003.120412T0800Z-120412T1200Z/ /O.UPG.KPHI.FZ.A.0002.120413T0500Z-120413T1200Z/ /O.NEW.KPHI.FZ.W.0007.120413T0600Z-120413T1200Z/ SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 331 AM EDT THU APR 12 2012 ...FREEZE WARNING IN EFFECT FROM 2 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 2 AM TO 8 AM EDT FRIDAY. THE FROST ADVISORY HAS BEEN CANCELLED. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURES...IN THE LOWER 30S. * TIMING...BELOW FREEZING TEMPERATURES ARE EXPECTED BETWEEN 200 AM AND 800 AM 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... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ PAZ060-067-120845- /O.CAN.KPHI.FR.Y.0003.120412T0800Z-120412T1200Z/ BERKS-CHESTER- INCLUDING THE CITIES OF...READING...WEST CHESTER 331 AM EDT THU APR 12 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY. $$ HAYES
3 follow-up statements
950 WWUS71 KPHI 121940 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 340 PM EDT THU APR 12 2012 NJZ001-007-PAZ054-055-061-062-130830- /O.CON.KPHI.FZ.W.0007.120413T0600Z-120413T1200Z/ SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 340 PM EDT THU APR 12 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... * TEMPERATURES...IN THE LOWER TO MID 30S. * TIMING...AREAS OF BELOW FREEZING TEMPERATURES AND OR FROST ARE EXPECTED BETWEEN 200 AM AND 800 AM 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... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MDZ008-NJZ008>010-020>022-027-PAZ060-067-130830- /O.NEW.KPHI.FR.Y.0004.120413T0600Z-120413T1200Z/ CECIL-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-CHESTER- INCLUDING THE CITIES OF...ELKTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...WEST CHESTER 340 PM EDT THU APR 12 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY. * TEMPERATURES...IN THE MID 30S WITH AREAS OF FROST EXPECTED IN THE COUNTRYSIDE. * TIMING...BETWEEN 2 AM AND 8 AM FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DRAG
181 WWUS71 KPHI 130702 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 302 AM EDT FRI APR 13 2012 NJZ001-007-PAZ054-055-061-062-131200- /O.CON.KPHI.FZ.W.0007.000000T0000Z-120413T1200Z/ SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 302 AM EDT FRI APR 13 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...AROUND 30 DEGREES. * IMPACTS...FLOWERING FRUIT TREES AND OTHER SENSITIVE VEGETATION WILL SUFFER DAMAGE IF NOT PROTECTED...AS TEMPERATURES DROP TO JUST BELOW FREEZING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MDZ008-NJZ008>010-020>022-027-PAZ060-067-131200- /O.CON.KPHI.FR.Y.0004.000000T0000Z-120413T1200Z/ CECIL-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-CHESTER- INCLUDING THE CITIES OF...ELKTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...WEST CHESTER 302 AM EDT FRI APR 13 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...IN THE MID 30S WITH AREAS OF FROST EXPECTED IN THE COUNTRYSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
403 WWUS71 KPHI 131208 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 808 AM EDT FRI APR 13 2012 NJZ001-007-PAZ054-055-061-062-131315- /O.EXP.KPHI.FZ.W.0007.000000T0000Z-120413T1200Z/ SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 808 AM EDT FRI APR 13 2012 ...FREEZE WARNING HAS EXPIRED... TEMPERATURES HAVE RISEN ABOVE FREEZING THIS MORNING AND WILL CONTINUE TO RISE THROUGH THE DAY. THUS, THE FREEZE WARNING HAS EXPIRED. $$ MDZ008-NJZ008>010-020>022-027-PAZ060-067-131315- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-120413T1200Z/ CECIL-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-CHESTER- INCLUDING THE CITIES OF...ELKTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...WEST CHESTER 808 AM EDT FRI APR 13 2012 ...FROST ADVISORY HAS EXPIRED... TEMPERATURES ARE RISING INTO THE 40S THIS MORNING AND WILL CONTINUE TO RISE THROUGH THE DAY. THUS, THE FROST ADVISORY HAS EXPIRED. $$ KLINE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 3:40 PM EDT | Frost Advisory | PHI | Berks | 16 hr |
Nearby
Freeze Warnings in Pennsylvania, 2012Freeze 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.