Alert archive / New Jersey / Frost Advisories in 2008
Frost Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 29, 2008, 2:58 PM EDT for 9 counties in New Jersey; 5 counties in Pennsylvania. It took effect at Apr 30, 2008, 3:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2008, 2:58 PM EDT (18:58 UTC)
- In effect from
- Apr 30, 2008, 3:00 AM EDT
- Expired
- Apr 30, 2008, 8:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 76 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, 7.0 hours before the alert went out and 142 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
- 723 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -100 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 291858 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 258 PM EDT TUE APR 29 2008 NJZ001-007>010-PAZ054-055-060>062-067>069-300900- /O.NEW.KPHI.FR.Y.0002.080430T0700Z-080430T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN 258 PM EDT TUE APR 29 2008 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT WEDNESDAY. AN UNSEASONABLY CHILLY AIR MASS WILL BE OVER THE AREA TONIGHT. COUPLED WITH GENERALLY CLEAR SKIES AND LIGHTER WINDS, TEMPERATURES WILL DROP INTO THE LOWER TO MID 30S ACROSS MUCH OF THE ADVISORY AREA BY WEDNESDAY MORNING. THIS WILL PERMIT FROST TO FORM ACROSS THE REGION, ESPECIALLY IN THE MORE RURAL AND LOW-LYING AREAS. A FROST ADVISORY MEANS THAT FROST IS LIKELY. PLEASE COVER PLANTS THAT ARE SUSCEPTIBLE TO FROST OR NEAR FREEZING TEMPERATURES. IF POSSIBLE, BRING PLANTS INDOORS. $$ NJZ020>022-027-300900- /O.NEW.KPHI.FR.Y.0002.080430T0700Z-080430T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 258 PM EDT TUE APR 29 2008 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT WEDNESDAY. AN UNSEASONABLY CHILLY AIR MASS WILL BE OVER THE AREA TONIGHT. COUPLED WITH GENERALLY CLEAR SKIES AND LIGHTER WINDS, TEMPERATURES IN THE PINE BARRENS SHOULD DROP QUICKLY OVERNIGHT. BY WEDNESDAY MORNING, MOST TEMPERATURES WILL BE IN THE MID 30S ACROSS THE ADVISORY AREA. THIS WILL PERMIT FROST TO FORM ACROSS THE REGION, ESPECIALLY IN THE MORE RURAL AREAS SUCH AS THE PINE BARRENS. A FROST ADVISORY MEANS THAT FROST IS LIKELY. PLEASE COVER PLANTS THAT ARE SUSCEPTIBLE TO FROST OR NEAR FREEZING TEMPERATURES. IF POSSIBLE, BRING YOUR PLANTS INDOORS. $$ GORSE/GIGI
2 follow-up statements
000 WWUS71 KPHI 300827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 427 AM EDT WED APR 30 2008 NJZ001-007>010-PAZ054-055-060>062-067>069-301200- /O.CON.KPHI.FR.Y.0002.000000T0000Z-080430T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN 427 AM EDT WED APR 30 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... AN UNSEASONABLY CHILLY AIR MASS WAS OVER THE REGION THIS MORNING. A CLEAR SKY AND LIGHT WINDS HAVE ALLOWED TEMPERATURES TO DROP INTO THE LOWER TO MID 30S ACROSS MUCH OF THE ADVISORY AREA. THIS WILL PERMIT FROST TO FORM ACROSS THE REGION... ESPECIALLY IN THE MORE RURAL AND LOW-LYING AREAS. A FROST ADVISORY MEANS THAT FROST IS LIKELY. PLEASE COVER PLANTS THAT ARE SUSCEPTIBLE TO FROST OR NEAR FREEZING TEMPERATURES. IF POSSIBLE...BRING PLANTS INDOORS. $$ NJZ020>022-027-301200- /O.CON.KPHI.FR.Y.0002.000000T0000Z-080430T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 427 AM EDT WED APR 30 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... AN UNSEASONABLY CHILLY AIR MASS WAS OVER THE REGION THIS MORNING. A CLEAR SKY AND LIGHT WINDS HAVE ALLOWED TEMPERATURES TO DROP INTO THE MID 30S ACROSS MUCH OF THE ADVISORY AREA. THIS WILL PERMIT FROST TO FORM ACROSS THE REGION... ESPECIALLY IN THE MORE RURAL AND LOW-LYING AREAS. A FROST ADVISORY MEANS THAT FROST IS LIKELY. PLEASE COVER PLANTS THAT ARE SUSCEPTIBLE TO FROST OR NEAR FREEZING TEMPERATURES. IF POSSIBLE...BRING PLANTS INDOORS. $$
000 WWUS71 KPHI 301154 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 754 AM EDT WED APR 30 2008 ...FROST ADVISORY WILL BE ALLOWED TO EXPIRE AT 8 AM... NJZ001-007>010-PAZ054-055-060>062-067>069-301300- /O.EXP.KPHI.FR.Y.0002.000000T0000Z-080430T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN 754 AM EDT WED APR 30 2008 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING. CLEAR SKIES AND THE MORNING SUN HAVE ALLOWED TEMPERATURES TO START RISING ACROSS THE AREA. AS TEMPERATURES CONTINUE TO RISE THROUGH THE MORNING, FROST WILL BECOME LESS OF AN ISSUE. THEREFORE WE WILL ALLOW THE ADVISORY TO EXPIRE AT 8 AM. $$ NJZ020>022-027-301300- /O.EXP.KPHI.FR.Y.0002.000000T0000Z-080430T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 754 AM EDT WED APR 30 2008 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING. CLEAR SKIES AND THE MORNING SUN HAVE ALLOWED TEMPERATURES TO START RISING ACROSS THE AREA. AS TEMPERATURES CONTINUE TO RISE THROUGH THE MORNING, FROST WILL BECOME LESS OF AN ISSUE. THEREFORE WE WILL ALLOW THE ADVISORY TO EXPIRE AT 8 AM. $$ ROBERTSON
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.