Alert archive / New Jersey / Frost Advisories in 2008
Frost Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 30, 2008, 3:15 PM EDT for 9 counties in New Jersey; 4 counties in Pennsylvania. It took effect at May 1, 2008, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2008, 3:15 PM EDT (19:15 UTC)
- In effect from
- May 1, 2008, 2:00 AM EDT
- Expired
- May 1, 2008, 8:00 AM EDT
- In force
- 6 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, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 19:16 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, 7.3 hours before the alert went out and 147 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
- 1626 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- 61 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 301915 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 315 PM EDT WED APR 30 2008 NJZ001-007>010-020>022-027-PAZ054-055-061-062-011200- /O.NEW.KPHI.FR.Y.0003.080501T0600Z-080501T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...JIM THORPE...STROUDSBURG...ALLENTOWN... BETHLEHEM...EASTON 315 PM EDT WED APR 30 2008 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY. AN UNSEASONABLY CHILLY AIR MASS WILL CONTINUE OVER THE REGION TONIGHT. CLEAR SKIES AND LIGHT WINDS WILL DEVELOP OVER THE REGION AND TEMPERATURES WILL 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 POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$ SZATKOWSKI
2 follow-up statements
000 WWUS71 KPHI 010848 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 448 AM EDT THU MAY 1 2008 NJZ001-007>010-020>022-027-PAZ054-055-061-062-011200- /O.CON.KPHI.FR.Y.0003.000000T0000Z-080501T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...JIM THORPE...STROUDSBURG...ALLENTOWN... BETHLEHEM...EASTON 448 AM EDT THU MAY 1 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... AN UNSEASONABLY CHILLY AIR MASS WILL REMAIN OVER THE REGION THROUGH EARLY THIS MORNING. LIGHT WINDS AND A MOSTLY CLEAR SKY WILL ALLOW FOR TEMPERATURES TO DROP INTO THE LOWER TO MID 30S ACROSS MUCH OF THE ADVISORY AREA. THIS WILL PERMIT FROST TO FORM ACROSS THE REGION...ESPECIALLY IN THE MORE RURAL AND LOW- LYING AREAS. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$
000 WWUS71 KPHI 011157 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 757 AM EDT THU MAY 1 2008 ...FROST ADVISORY WILL BE ALLOWED TO EXPIRE... NJZ001-007>010-020>022-027-PAZ054-055-061-062-011300- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-080501T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...JIM THORPE...STROUDSBURG...ALLENTOWN... BETHLEHEM...EASTON 757 AM EDT THU MAY 1 2008 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING. TEMPERATURES HAVE RISEN ABOVE THE FREEZING MARK AND WILL CONTINUE TO RISE THROUGH THE REST OF THE MORNING WITH FROST NO LONGER BEING AN ISSUE. THEREFORE WE WILL ALLOW THE FROST ADVISORY TO EXPIRE. $$ MEOLA
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.