Alert archive / New Jersey / Frost Advisories in 2013
Frost Advisory 12, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 24, 2013, 2:55 PM EDT for 4 states. It took effect at Oct 25, 2013, 3:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2013, 2:55 PM EDT (18:55 UTC)
- In effect from
- Oct 25, 2013, 3:00 AM EDT
- Expired
- Oct 25, 2013, 9:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, New Castle County, DE, Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Ocean County, NJ, Salem County, NJ, Chester County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 18:56 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, 6.9 hours before the alert went out and 78 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
- 1386 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
579 WWUS71 KPHI 241855 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 255 PM EDT THU OCT 24 2013 ...TWO MORE NIGHTS OF OPPORTUNITY FOR FROST OR FREEZING TEMPERATURES ACROSS LARGE PORTIONS OF EASTERN PENNSYLVANIA...NEW JERSEY...DELAWARE AND MARYLANDS EASTERN SHORE... NJZ007>010-PAZ061-062-242000- /O.CAN.KPHI.FZ.A.0003.131025T0700Z-131025T1300Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...ALLENTOWN...BETHLEHEM...EASTON 255 PM EDT THU OCT 24 2013 ...FREEZE WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FREEZE WATCH FOR MOST OF EAST CENTRAL AND NORTHEAST PENNSYLVANIA AND NORTHWEST NEW JERSEY. THE GROWING SEASON HAS ENDED ACROSS NORTHEAST AND EAST CENTRAL PENNSYLVANIA AS WELL AS NORTHWEST NEW JERSEY. FROST OR FREEZING TEMPERATURES HAVE ALREADY OCCURRED IN MUCH OF THIS AREA THIS WEEK. AN EVEN HARDER FROST OR FREEZE IS ANTICIPATED EITHER TOMORROW MORNING OR SATURDAY MORNING. FROST OR FREEZE PRODUCTS WILL NO LONGER BE ISSUED FOR THESE COUNTIES THIS FALL...WHICH ARE LOCATED PRIMARILY ALONG AND NORTH OF INTERSTATE 78. $$ PAZ060-250300- /O.UPG.KPHI.FZ.A.0003.131025T0700Z-131025T1300Z/ /O.NEW.KPHI.FZ.W.0003.131025T0800Z-131025T1300Z/ BERKS- INCLUDING THE CITY OF...READING 255 PM EDT THU OCT 24 2013 ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURES...IN THE LOWER 30S. * TIMING...TOWARD DAWN. * CONFIDENCE...AVERAGE..THERE MAY BE ENOUGH WIND TO PREVENT MORE THAN SCATTERED OR ISOLATED REPORTS OF FROST OR FREEZING TEMPERATURES. ALSO...CLOUD COVER MAY REDEVELOP TOWARD DAWN FROM THE NORTHWEST. * IMPACTS...PLANTS AND CROPS MAY BE KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. * OUTLOOK...THERE APPEARS TO BE A BETTER CHANCE FOR FROST OR FREEZING TEMPERATURES EARLY SATURDAY AND OF LONGER DURATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001-002-MDZ008-NJZ021-022-027-PAZ101>103-250300- /O.NEW.KPHI.FR.Y.0012.131025T0800Z-131025T1300Z/ NEW CASTLE-KENT-CECIL-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON... MILLVILLE...HAMMONTON...WHARTON STATE FOREST...HONEY BROOK... OXFORD...WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN 255 PM EDT THU OCT 24 2013 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. * TEMPERATURES...IN THE LOW OR MID 30S. * TIMING...TOWARD DAWN. * CONFIDENCE...AVERAGE. THERE MAY BE ENOUGH WIND TO PREVENT MORE THAN SCATTERED OR ISOLATED REPORTS OF FROST OR FREEZING TEMPERATURES. LOCATIONS NEAR LARGE BODIES OF WATER OR IN URBAN CENTERS ARE VERY UNLIKELY TO REPORT ANY FROST OR FREEZE DAMAGE LATE TONIGHT. * IMPACTS...PLANTS AND CROPS MAY BE KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. * OUTLOOK...THERE APPEARS TO BE A BETTER CHANCE FOR FROST OR FREEZING TEMPERATURES EARLY SATURDAY AND OF LONGER DURATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DRAG
3 follow-up statements
224 WWUS71 KPHI 250126 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 926 PM EDT THU OCT 24 2013 ...TWO MORE NIGHTS OF OPPORTUNITY FOR FROST OR FREEZING TEMPERATURES ACROSS LARGE PORTIONS OF EASTERN PENNSYLVANIA...NEW JERSEY...DELAWARE AND MARYLANDS EASTERN SHORE... PAZ060-251300- /O.CON.KPHI.FZ.W.0003.131025T0800Z-131025T1300Z/ BERKS- INCLUDING THE CITY OF...READING 926 PM EDT THU OCT 24 2013 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY... * TEMPERATURES...IN THE LOWER 30S. * TIMING...TOWARD DAWN. * IMPACTS...PLANTS AND CROPS MAY BE KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. * OUTLOOK...THERE APPEARS TO BE ANOTHER CHANCE FOR FROST OR FREEZING TEMPERATURES EARLY SATURDAY AND OF LONGER DURATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ016-020-251300- /O.EXB.KPHI.FR.Y.0012.131025T0700Z-131025T1300Z/ SALEM-OCEAN- INCLUDING THE CITIES OF...PENNSVILLE...JACKSON 926 PM EDT THU OCT 24 2013 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY. * TEMPERATURES...IN THE MID 30S. SOME LOWER 30S IN NORMALLY COLDER LOCATIONS. * TIMING...TOWARD DAWN. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. * OUTLOOK...THERE APPEARS TO BE A BETTER CHANCE FOR FROST OR FREEZING TEMPERATURES EARLY SATURDAY AND OF LONGER DURATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DEZ001-002-MDZ008-NJZ021-022-027-PAZ101>103-251300- /O.EXT.KPHI.FR.Y.0012.131025T0700Z-131025T1300Z/ NEW CASTLE-KENT-CECIL-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON... MILLVILLE...HAMMONTON...WHARTON STATE FOREST...HONEY BROOK... OXFORD...WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN 926 PM EDT THU OCT 24 2013 ...FROST ADVISORY NOW IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * TEMPERATURES...IN THE MID 30S. POCKETS OF FREEZING TEMPERATURES IN NORMALLY COLDER LOCATIONS. * TIMING...TOWARD DAWN. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. * OUTLOOK...THERE APPEARS TO BE A BETTER CHANCE FOR FROST OR FREEZING TEMPERATURES EARLY SATURDAY AND OF LONGER DURATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
359 WWUS71 KPHI 250747 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 347 AM EDT FRI OCT 25 2013 ...ONE MORE NIGHT OF OPPORTUNITY FOR FROST OR FREEZING TEMPERATURES ACROSS LARGE PORTIONS OF EASTERN PENNSYLVANIA...NEW JERSEY...DELAWARE AND MARYLANDS EASTERN SHORE... PAZ060-251300- /O.CON.KPHI.FZ.W.0003.131025T0800Z-131025T1300Z/ BERKS- INCLUDING THE CITY OF...READING 347 AM EDT FRI OCT 25 2013 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * TEMPERATURES...AROUND THE FREEZING MARK. * IMPACTS...PLANTS AND CROPS MAY BE KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001-002-MDZ008-NJZ016-020>022-027-PAZ101>103-251600- /O.NEW.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/ /O.CON.KPHI.FR.Y.0012.000000T0000Z-131025T1300Z/ NEW CASTLE-KENT-CECIL-SALEM-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-WESTERN CHESTER-EASTERN CHESTER- WESTERN MONTGOMERY- INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...HONEY BROOK...OXFORD...WEST CHESTER... KENNET SQUARE...COLLEGEVILLE...POTTSTOWN 347 AM EDT FRI OCT 25 2013 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING. * TEMPERATURES...IN THE LOW TO MID 30S THIS MORNING...AT OR BELOW FREEZING SATURDAY MORNING. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ012-013-015-251600- /O.NEW.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/ MIDDLESEX-WESTERN MONMOUTH-MERCER- INCLUDING THE CITIES OF...NEW BRUNSWICK...FREEHOLD...TRENTON 347 AM EDT FRI OCT 25 2013 ...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. * TEMPERATURES...AT OR BELOW THE FREEZING MARK. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
198 WWUS71 KPHI 251251 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 851 AM EDT FRI OCT 25 2013 ...ONE MORE NIGHT OF OPPORTUNITY FOR FROST OR FREEZING TEMPERATURES ACROSS LARGE PORTIONS OF EASTERN PENNSYLVANIA...NEW JERSEY...DELAWARE AND MARYLANDS EASTERN SHORE... PAZ060-252100- /O.EXP.KPHI.FZ.W.0003.000000T0000Z-131025T1300Z/ /O.EXA.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/ BERKS- INCLUDING THE CITY OF...READING 851 AM EDT FRI OCT 25 2013 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING. * TEMPERATURES...AT OR BELOW THE FREEZING MARK. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001-002-MDZ008-NJZ016-020>022-027-PAZ101>103-252100- /O.EXP.KPHI.FR.Y.0012.000000T0000Z-131025T1300Z/ /O.CON.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/ NEW CASTLE-KENT-CECIL-SALEM-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-WESTERN CHESTER-EASTERN CHESTER- WESTERN MONTGOMERY- INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...HONEY BROOK...OXFORD...WEST CHESTER... KENNET SQUARE...COLLEGEVILLE...POTTSTOWN 851 AM EDT FRI OCT 25 2013 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... * TEMPERATURES...IN THE LOW 30S. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ012-013-015-252100- /O.CON.KPHI.FZ.A.0004.131026T0700Z-131026T1300Z/ MIDDLESEX-WESTERN MONMOUTH-MERCER- INCLUDING THE CITIES OF...NEW BRUNSWICK...FREEHOLD...TRENTON 851 AM EDT FRI OCT 25 2013 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * TEMPERATURES...IN THE LOW 30S. * IMPACTS...PLANTS AND CROPS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED THUS PUTTING AN END TO THE GROWING SEASON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 2:55 PM EDT | Freeze Warning | PHI | Berks | 18 hr |
Nearby
Frost Advisories in New Jersey, 2013Frost Advisories in Pennsylvania, 2013Frost Advisories in Delaware, 2013Every frost advisory in 2013
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.