Alert archive / New Jersey / Frost Advisories in 2008
Frost Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 18, 2008, 3:25 AM EDT for Hunterdon County, Morris County, Warren County, New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at Oct 19, 2008, 4:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2008, 3:25 AM EDT (07:25 UTC)
- In effect from
- Oct 19, 2008, 4:00 AM EDT
- Expired
- Oct 19, 2008, 8:56 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 106 km from the middle of the area, began a volume at 07:25 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, 7.4 hours before the alert went out and 199 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
- 1447 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 180725 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 325 AM EDT SAT OCT 18 2008 NJZ007>009-PAZ060>062-182000- /O.NEW.KPHI.FR.Y.0007.081019T0800Z-081019T1300Z/ WARREN-MORRIS-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... READING...ALLENTOWN...BETHLEHEM...EASTON 325 AM EDT SAT OCT 18 2008 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT SUNDAY. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT, WHICH WILL LEAD TO AREAS OF FROST FOR MUCH OF THE AREA. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$ ROBERTSON
3 follow-up statements
000 WWUS71 KPHI 181911 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 311 PM EDT SAT OCT 18 2008 NJZ007-008-PAZ061-062-190900- /O.NEW.KPHI.FZ.A.0001.081020T0800Z-081020T1300Z/ /O.CON.KPHI.FR.Y.0007.081019T0800Z-081019T1300Z/ WARREN-MORRIS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...ALLENTOWN... BETHLEHEM...EASTON 311 PM EDT SAT OCT 18 2008 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT SUNDAY... ...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY CONTINUES A FROST ADVISORY WHICH WAS ALREADY IN EFFECT FOR THE AREA FROM 4 AM TO 9 AM EDT SUNDAY. IN ADDITION, A FREEZE WATCH HAS BEEN ISSUED FOR LATE SUNDAY NIGHT THROUGH MONDAY MORNING. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT...WHICH WILL LEAD TO AREAS OF FROST FOR MUCH OF THE AREA. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. AS HIGH PRESSURE FROM THE NORTHWEST BECOMES CENTERED OVER THE REGION SUNDAY NIGHT, A COMBINATION OF SUB-FREEZING TEMPERATURES, CLEAR SKIES AND LIGHT WINDS COULD CAUSE A WIDE-SPREAD KILLING FREEZE ACROSS MUCH OF THE AREA. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. $$ NJZ009-PAZ060-190900- /O.CON.KPHI.FR.Y.0007.081019T0800Z-081019T1300Z/ HUNTERDON-BERKS- INCLUDING THE CITIES OF...FLEMINGTON...READING 311 PM EDT SAT OCT 18 2008 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT SUNDAY. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT... WHICH WILL LEAD TO AREAS OF FROST FOR MUCH OF THE AREA. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$
000 WWUS71 KPHI 190704 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 304 AM EDT SUN OCT 19 2008 NJZ007-008-PAZ061-062-191400- /O.UPG.KPHI.FZ.A.0001.081020T0800Z-081020T1300Z/ /O.NEW.KPHI.FZ.W.0003.081020T0800Z-081020T1300Z/ /O.CON.KPHI.FR.Y.0007.081019T0800Z-081019T1300Z/ WARREN-MORRIS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...ALLENTOWN... BETHLEHEM...EASTON 304 AM EDT SUN OCT 19 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING, WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S THIS MORNING, WHICH WILL LEAD TO AREAS OF FROST FOR MUCH OF THE AREA. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. AS HIGH PRESSURE FROM THE NORTHWEST WILL BECOMES CENTERED OVER THE REGION, CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING TONIGHT AND MONDAY MORNING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. $$ NJZ009-PAZ060-191400- /O.NEW.KPHI.FZ.W.0003.081020T0800Z-081020T1300Z/ /O.CON.KPHI.FR.Y.0007.081019T0800Z-081019T1300Z/ HUNTERDON-BERKS- INCLUDING THE CITIES OF...FLEMINGTON...READING 304 AM EDT SUN OCT 19 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING, WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY. A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S THIS MORNING...WHICH WILL LEAD TO AREAS OF FROST FOR MUCH OF THE AREA. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. AS HIGH PRESSURE FROM THE NORTHWEST WILL BECOMES CENTERED OVER THE REGION, CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING TONIGHT AND MONDAY MORNING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ010-012-013-015>022-027- PAZ067>069-191400- /O.NEW.KPHI.FR.Y.0008.081020T0800Z-081020T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...MILLVILLE...HAMMONTON...WHARTON STATE FOREST... WEST CHESTER...NORRISTOWN...DOYLESTOWN 304 AM EDT SUN OCT 19 2008 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY, WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY. AS HIGH PRESSURE FROM THE NORTHWEST WILL BECOMES CENTERED OVER THE REGION, CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT AND MONDAY MORNING. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$ ROBERTSON
000 WWUS71 KPHI 191256 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 856 AM EDT SUN OCT 19 2008 NJZ007>009-PAZ060>062-192100- /O.CAN.KPHI.FR.Y.0007.000000T0000Z-081019T1300Z/ /O.CON.KPHI.FZ.W.0003.081020T0800Z-081020T1300Z/ WARREN-MORRIS-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... READING...ALLENTOWN...BETHLEHEM...EASTON 856 AM EDT SUN OCT 19 2008 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY... ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY. A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY. LIGHT WINDS AND CLEAR SKIES ALLOWED TEMPERATURES TO DROP INTO THE LOW TO MID 30S EARLY THIS MORNING...WHICH LEAD TO THE DEVELOPMENT OF AREAS OF FROST. WITH THE SUNSHINE AND RISING TEMPERATURES...ANY FROST IS DISSIPATING. AS HIGH PRESSURE FROM THE NORTHWEST BECOMES CENTERED OVER THE REGION...CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING TONIGHT AND MONDAY MORNING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. $$ NJZ023-PAZ070-071-192100- /O.EXB.KPHI.FR.Y.0008.081020T0600Z-081020T1300Z/ CAPE MAY-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...CAPE MAY COURT HOUSE...MEDIA... PHILADELPHIA 856 AM EDT SUN OCT 19 2008 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. AS HIGH PRESSURE FROM THE NORTHWEST BECOMES CENTERED OVER THE REGION...CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT AND MONDAY MORNING WITH AREAS OF FROST DEVELOPING IN MUCH OF THE REGION. IN HIGHLY URBANIZED LOCATIONS...TEMPERATURES SHOULD DROP TO AROUND 40 DEGREES...WITH NO FROST ANTICIPATED. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ010-012-013-015>022-027- PAZ067>069-192100- /O.EXT.KPHI.FR.Y.0008.081020T0600Z-081020T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...MILLVILLE...HAMMONTON...WHARTON STATE FOREST... WEST CHESTER...NORRISTOWN...DOYLESTOWN 856 AM EDT SUN OCT 19 2008 ...FROST ADVISORY NOW IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... THE FROST ADVISORY IS NOW IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. AS HIGH PRESSURE FROM THE NORTHWEST BECOMES CENTERED OVER THE REGION...CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP INTO THE LOW TO MID 30S TONIGHT AND MONDAY MORNING WITH AREAS OF FROST DEVELOPING IN MUCH OF THE REGION. IN HIGHLY URBANIZED LOCATIONS...TEMPERATURES SHOULD DROP TO AROUND 40 DEGREES...WITH NO FROST ANTICIPATED. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 10:20 AM EDT | Gale Warning | PHI | 29 hr | |
| Oct 18, 3:11 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 28 hr |
| Oct 18, 3:11 PM EDT | Freeze Watch | PHI | Morris, Warren | 12 hr |
Nearby
Frost Advisories in New Jersey, 2008Frost Advisories in Pennsylvania, 2008Every frost advisory in 2008
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.