Alert archive / New Jersey / Frost Advisories in 2007
Frost Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at May 7, 2007, 2:27 PM EDT for 5 counties in Pennsylvania; 9 counties in New Jersey. It took effect at May 8, 2007, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 7, 2007, 2:27 PM EDT (18:27 UTC)
- In effect from
- May 8, 2007, 2:00 AM EDT
- Expired
- May 8, 2007, 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, 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 18:33 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, 6.5 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
- 1317 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 41 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 071827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 227 PM EDT MON MAY 7 2007 NJZ001-007>010-020>022-027-PAZ054-055-060>062-081200- /O.NEW.KPHI.FR.Y.0004.070508T0600Z-070508T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 227 PM EDT MON MAY 7 2007 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. A HIGH PRESSURE SYSTEM WILL BE CENTERED ACROSS OUR AREA TONIGHT. IN COMBINATION WITH THE CLEAR SKIES AND LIGHT WINDS, THIS WILL PRODUCE PERFECT RADIATIONAL COOLING CONDITIONS. THE AMOUNT OF MOISTURE IN OUR AIR MASS HAS NOT RECOVERED, THEREFORE TEMPERATURES WILL FALL LIKE A ROCK TONIGHT. LOW TEMPERATURES WILL REACH THE 30S AGAIN AND IN ALL LIKELIHOOD FROST WILL FORM, ESPECIALLY IN LOW LYING AREAS. A FROST ADVISORY MEANS THAT AREAS OF FROST ARE EXPECTED IN THE ADVISORY AREA. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNPROTECTED OUTSIDE. IF POSSIBLE, BRING PLANTS INDOORS THAT ARE SENSITIVE TO THE COLD OR COVER OUTDOOR PLANTS THAT CAN NOT BE PHYSICALLY BROUGHT INSIDE. MORE MOISTURE IS EXPECTED TO MOVE INTO OUR REGION ON TUESDAY AND THIS SHOULD BE THE LAST FROSTY NIGHT IN THIS AIR MASS. $$ GIGI/MEOLA/GORSE
2 follow-up statements
000 WWUS71 KPHI 080656 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 256 AM EDT TUE MAY 8 2007 NJZ001-007>010-PAZ054-055-060>062-080800- /O.CAN.KPHI.FR.Y.0004.000000T0000Z-070508T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 256 AM EDT TUE MAY 8 2007 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY. $$ NJZ020>022-027-081200- /O.CON.KPHI.FR.Y.0004.000000T0000Z-070508T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 256 AM EDT TUE MAY 8 2007 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. CLEAR SKIES AND LIGHT WINDS HAVE ALLOWED TEMPERATURES TO DROP INTO THE MIDDLE AND UPPER 30S OVERNIGHT AND ALLOWED SOME PATCHY FROST TO FORM. ANY FROST THAT FORMED OVERNIGHT SHOULD MELT BY 8 AM AS TEMPERATURES RISE AFTER SUNRISE. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED OR UNPROTECTED. $$ RNS
000 WWUS71 KPHI 081207 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 807 AM EDT TUE MAY 8 2007 NJZ020>022-027-081315- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-070508T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 807 AM EDT TUE MAY 8 2007 ...FROST ADVISORY HAS EXPIRED... WITH THE SUN UP AND AIR TEMPERATURES NO LONGER IN THE 30S, THE FROST ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ KRUZDLO
Nearby
Frost Advisories in New Jersey, 2007Frost Advisories in Pennsylvania, 2007Every frost advisory in 2007
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.