Alert archive / Pennsylvania / Frost Advisories in 2006
Frost Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 12, 2006, 3:20 PM EDT for Warren County, New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at Oct 13, 2006, 4:00 AM EDT. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Oct 12, 2006, 3:20 PM EDT (19:20 UTC)
- In effect from
- Oct 13, 2006, 4:00 AM EDT
- Expired
- Oct 13, 2006, 4:59 AM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 119 km from the middle of the area, began a volume at 19:26 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 143 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
- 141 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 626 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 121920 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 320 PM EDT THU OCT 12 2006 ...A COLD AIRMASS WILL OVERSPREAD THE REGION TONIGHT... NJZ001-PAZ054-055-131000- /O.NEW.KPHI.FZ.W.0001.061013T0800Z-061013T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 320 PM EDT THU OCT 12 2006 ...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. AS A PORTION OF A HIGH PRESSURE SYSTEM BUILDS INTO THE REGION TONIGHT, A COLDER AIRMASS WILL COMBINE WITH DIMINISHING WINDS AS THE SKY BECOMES MOSTLY CLEAR OVERNIGHT. THIS WILL ALLOW TEMPERATURES TO DROP TO AROUND 30 DEGREES EARLY FRIDAY MORNING. THE MORE SHELTERED AREAS AS WELL AS THE HIGHER ELEVATIONS SHOULD BE THE COLDEST LOCATIONS BY DAYBREAK FRIDAY, WITH THE MORE URBAN AREAS REMAINING A LITTLE WARMER. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THOSE WITH COLD SENSITIVE PLANTS, OR OTHER CONCERNS RELATED TO FREEZING TEMPERATURES, SHOULD BEGIN PREPARATIONS NOW BEFORE THE COLD TEMPERATURES SETTLE IN OVERNIGHT. IF POSSIBLE, PROTECT ANY COLD SENSITIVE PLANTS BY BRINGING THEM INDOORS. ANOTHER COLD NIGHT IS EXPECTED FRIDAY NIGHT, AND AGAIN SATURDAY NIGHT. $$ NJZ007-PAZ060>062-131000- /O.NEW.KPHI.FR.Y.0007.061013T0800Z-061013T1300Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 320 PM EDT THU OCT 12 2006 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY, WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. AS A PORTION OF A HIGH PRESSURE SYSTEM BUILDS INTO THE REGION TONIGHT, A COLDER AIRMASS WILL COMBINE WITH DIMINISHING WINDS AS THE SKY BECOMES MOSTLY CLEAR OVERNIGHT. THIS WILL ALLOW TEMPERATURES TO DROP TO AROUND 35 DEGREES EARLY FRIDAY MORNING WITH AREAS OF FROST EXPECTED. HOWEVER, THE DOWNTOWN AREAS WILL REMAIN A BIT WARMER THAN THE RURAL AREAS. A FROST ADVISORY MEANS THAT AREAS OF FROST ARE EXPECTED IN THE ADVISORY AREA. SENSITIVE PLANTS MAY BE KILLED IF LEFT UNPROTECTED OUTSIDE. THEREFORE, COVER UP ANY SENSITIVE PLANTS WITH A LIGHT BLANKET OR PLASTIC SHEET. IF POSSIBLE, BRING ANY COLD SENSITIVE PLANTS INDOORS TO PROTECT THEM FROM THE COLD TEMPERATURES. ANOTHER COLD NIGHT IS EXPECTED FRIDAY NIGHT, AND AGAIN SATURDAY NIGHT. $$ GORSE/ROBERTSON
1 follow-up statement
000 WWUS71 KPHI 130859 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 459 AM EDT FRI OCT 13 2006 A VERY COLD AIRMASS WILL SETTLE OVER THE REGION. NJZ001-PAZ054-055-132100- /O.CAN.KPHI.FZ.W.0001.000000T0000Z-061013T1300Z/ /O.NEW.KPHI.FZ.W.0002.061014T0800Z-061014T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 459 AM EDT FRI OCT 13 2006 ...FREEZE WARNING IS CANCELLED AT 9 AM THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH WILL BE IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY. THE FREEZE WARNING THAT IS IN EFFECT THIS MORNING WILL BE CANCELLED AT 9 AM. A LARGE COLD HIGH PRESSURE SYSTEM WILL SETTLE OVER THE MID ATLANTIC REGION BRINGING FAIR BUT QUITE CHILLY WEATHER TO OUR FORECAST AREA THROUGH THE WEEKEND. WITH CLEAR SKIES AND LIGHT WINDS, TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING TONIGHT IN ALMOST ALL AREAS. THEREFORE, A FREEZE WARNING HAS BEEN ISSUED. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THOSE WITH COLD SENSITIVE PLANTS...OR OTHER CONCERNS RELATED TO FREEZING TEMPERATURES...SHOULD BEGIN PREPARATIONS NOW BEFORE THE COLD TEMPERATURES SETTLE IN OVERNIGHT. IF POSSIBLE... PROTECT ANY COLD SENSITIVE PLANTS BY BRINGING THEM INDOORS. ANOTHER COLD NIGHT IS EXPECTED SATURDAY NIGHT. $$ NJZ007-PAZ062-132100- /O.CAN.KPHI.FR.Y.0007.000000T0000Z-061013T1300Z/ /O.NEW.KPHI.FZ.W.0002.061014T0800Z-061014T1300Z/ WARREN-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...BETHLEHEM...EASTON 459 AM EDT FRI OCT 13 2006 ...FROST ADVISORY IS CANCELLED THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY THIS MORNING AND ISSUED A FREEZE WARNING...WHICH WILL BE IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY. A LARGE COLD HIGH PRESSURE SYSTEM WILL SETTLE OVER THE MID ATLANTIC REGION BRINGING FAIR BUT QUITE CHILLY WEATHER TO OUR FORECAST AREA THROUGH THE WEEKEND. WITH CLEAR SKIES AND LIGHT WINDS, TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING TONIGHT IN ALMOST ALL AREAS. THEREFORE, A FREEZE WARNING HAS BEEN ISSUED. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THOSE WITH COLD SENSITIVE PLANTS...OR OTHER CONCERNS RELATED TO FREEZING TEMPERATURES...SHOULD BEGIN PREPARATIONS NOW BEFORE THE COLD TEMPERATURES SETTLE IN OVERNIGHT. IF POSSIBLE... PROTECT ANY COLD SENSITIVE PLANTS BY BRINGING THEM INDOORS. ANOTHER COLD NIGHT IS EXPECTED SATURDAY NIGHT. $$ PAZ060-061-132100- /O.CAN.KPHI.FR.Y.0007.000000T0000Z-061013T1300Z/ /O.NEW.KPHI.FR.Y.0008.061014T0700Z-061014T1300Z/ BERKS-LEHIGH- INCLUDING THE CITIES OF...READING...ALLENTOWN 459 AM EDT FRI OCT 13 2006 ...FROST ADVISORY IS CANCELLED THIS MORNING... ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY THIS MORNING AND ISSUED A FROST ADVISORY...WHICH WILL BE IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY. A LARGE COLD HIGH PRESSURE SYSTEM WILL SETTLE OVER THE MID ATLANTIC REGION BRINGING FAIR BUT QUITE CHILLY WEATHER TO OUR FORECAST AREA THROUGH THE WEEKEND. WITH CLEAR SKIES AND LIGHT WINDS, TEMPERATURES ARE EXPECTED TO DROP INTO THE MID 30S LATER TONIGHT. AREAS OF FROST ARE EXPECTED TO FORM. THEREFORE, A FROST ADVISORY HAS BEEN ISSUED. A FROST ADVISORY MEANS THAT AREAS OF FROST ARE EXPECTED IN THE ADVISORY AREA. SENSITIVE PLANTS MAY BE KILLED IF LEFT UNPROTECTED OUTSIDE. THEREFORE...COVER UP ANY SENSITIVE PLANTS WITH A LIGHT BLANKET OR PLASTIC SHEET. IF POSSIBLE...BRING ANY COLD SENSITIVE PLANTS INDOORS TO PROTECT THEM FROM THE COLD TEMPERATURES. ANOTHER COLD NIGHT IS EXPECTED AGAIN SATURDAY NIGHT. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ067>071-132100- /O.NEW.KPHI.FR.Y.0008.061014T0700Z-061014T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE- PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD... TRENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL... MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA 459 AM EDT FRI OCT 13 2006 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH WILL BE IN EFFECT FROM 3 AM TO 9 AM EDT SATURDAY. A LARGE COLD HIGH PRESSURE SYSTEM WILL SETTLE OVER THE MID ATLANTIC REGION BRINGING FAIR BUT QUITE CHILLY WEATHER TO OUR FORECAST AREA THROUGH THE WEEKEND. WITH CLEAR SKIES AND LIGHT WINDS, TEMPERATURES ARE EXPECTED TO DROP INTO THE MID 30S TO AROUND 40 LATER TONIGHT. AREAS OF FROST ARE EXPECTED TO FORM IN MOST SECTIONS. THE POSSIBLE EXCEPTION MIGHT BE HIGHLY URBANIZED AREAS OF LARGE METROPOLITAN CITIES. THEREFORE, A FROST ADVISORY HAS BEEN ISSUED. A FROST ADVISORY MEANS THAT AREAS OF FROST ARE EXPECTED IN THE ADVISORY AREA. SENSITIVE PLANTS MAY BE KILLED IF LEFT UNPROTECTED OUTSIDE. THEREFORE...COVER UP ANY SENSITIVE PLANTS WITH A LIGHT BLANKET OR PLASTIC SHEET. IF POSSIBLE...BRING ANY COLD SENSITIVE PLANTS INDOORS TO PROTECT THEM FROM THE COLD TEMPERATURES. ANOTHER COLD NIGHT IS EXPECTED AGAIN SATURDAY NIGHT. $$ RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 3:20 PM EDT | Freeze Warning | PHI | Sussex | 14 hr |
Nearby
Frost Advisories in Pennsylvania, 2006Frost Advisories in New Jersey, 2006Every frost advisory in 2006
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.