Alert archive / New Jersey / Frost Advisories in 2012
Frost Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 12, 2012, 3:40 PM EDT for 7 counties in New Jersey; Cecil County, Maryland; Berks County, Pennsylvania. It took effect at Apr 13, 2012, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2012, 3:40 PM EDT (19:40 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 Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Berks County, PA
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 19:43 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, 7.7 hours before the alert went out and 117 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
- 958 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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
2 follow-up statements
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, 3:31 AM EDT | Freeze Warning | PHI | Sussex, Warren | 28 hr |
Nearby
Frost Advisories in New Jersey, 2012Frost Advisories in Maryland, 2012Frost Advisories in Pennsylvania, 2012Every frost advisory 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.