Alert archive / Pennsylvania / Freeze Warnings in 2007
Freeze Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Oct 28, 2007, 3:55 AM EDT for 5 counties in Pennsylvania; 5 counties in New Jersey. It took effect at Oct 29, 2007, 2:00 AM EDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 28, 2007, 3:55 AM EDT (07:55 UTC)
- In effect from
- Oct 29, 2007, 2:00 AM EDT
- Expired
- Oct 29, 2007, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris 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), 112 km from the middle of the area, began a volume at 07:58 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, 7.9 hours before the alert went out and 194 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
- 931 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -83 m²/s²
- 0-3 km storm-relative helicity
- 59 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 280755 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 355 AM EDT SUN OCT 28 2007 NJZ001-007>010-PAZ054-055-060>062-282100- /O.UPG.KPHI.FZ.A.0006.071029T0400Z-071029T1200Z/ /O.NEW.KPHI.FZ.W.0004.071029T0600Z-071029T1300Z/ 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 355 AM EDT SUN OCT 28 2007 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... UNDER A MOSTLY CLEAR SKY WITH A DIMINISHING WIND, TEMPERATURES ARE EXPECTED TO DROP INTO THE UPPER 20S AND LOWER 30S LATE TONIGHT IN THE POCONOS, THE LEHIGH VALLEY AND BERKS COUNTY IN PENNSYLVANIA, AS WELL AS IN NORTHWESTERN NEW JERSEY. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS ISSUED A FREEZE WARNING FOR LATE TONIGHT AND EARLY MONDAY MORNING. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE, IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE, YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-282100- /O.NEW.KPHI.FR.Y.0007.071029T0600Z-071029T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY- BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...WEST CHESTER...NORRISTOWN...DOYLESTOWN... MEDIA 355 AM EDT SUN OCT 28 2007 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... UNDER A MOSTLY CLEAR SKY WITH A DIMINISHING WIND, TEMPERATURES ARE EXPECTED TO DROP INTO THE 30S LATE TONIGHT IN MUCH OF SOUTHEASTERN PENNSYLVANIA, CENTRAL AND SOUTHERN NEW JERSEY, DELAWARE AND NORTHEASTERN MARYLAND. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS ISSUED A FROST ADVISORY FOR LATE TONIGHT AND EARLY MONDAY MORNING. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE, IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE, YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ IOVINO
4 follow-up statements
000 WWUS71 KPHI 281836 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 236 PM EDT SUN OCT 28 2007 NJZ001-007>010-PAZ054-055-060>062-290900- /O.CON.KPHI.FZ.W.0004.071029T0600Z-071029T1300Z/ 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 236 PM EDT SUN OCT 28 2007 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. SKIES WILL BE PARTLY CLOUDY EARLY TONIGHT AND THEN CLEAR LATE TONIGHT. WINDS WILL ALSO DIMINISH BECOME LIGHT. THIS WILL LET TEMPERATURES TO DROP BELOW FREEZING THROUGHOUT THE REGION BY MONDAY MORNING. IN ADDITION, WIDESPREAD FROST IS ALSO EXPECTED. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE... IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE... YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-290900- /O.CON.KPHI.FR.Y.0007.071029T0600Z-071029T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY- BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...WEST CHESTER...NORRISTOWN...DOYLESTOWN... MEDIA 236 PM EDT SUN OCT 28 2007 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. EXCEPT FOR SOME EVENING CLOUDS, SKIES WILL BE MOSTLY CLEAR TONIGHT. WINDS WILL ALSO DIMINISH AFTER SUNSET TO AROUND 5 MPH. THESE CONDITIONS WILL ALLOW TEMPERATURES TO DROP TO THE 30S AND FROST SHOULD FORM IN MANY AREAS BY MONDAY MORNING. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE... IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE... YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ RNS
000 WWUS71 KPHI 290027 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 827 PM EDT SUN OCT 28 2007 NJZ001-007>010-PAZ054-055-060>062-291300- /O.CON.KPHI.FZ.W.0004.071029T0600Z-071029T1300Z/ 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 827 PM EDT SUN OCT 28 2007 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. SKIES WILL BE PARTLY CLOUDY TO MOSTLY CLEAR THROUGH THE EVENING AND THEN CLEAR BY LATE TONIGHT. WINDS WILL DIMINISH FROM 5 TO 10 MPH TO LIGHT. THIS WILL LET TEMPERATURES TO DROP BELOW FREEZING THROUGHOUT THE REGION BY DAYBREAK MONDAY. IN ADDITION TO FREEZING TEMPERATURES... WIDESPREAD FROST IS EXPECTED. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE...IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE...YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-291300- /O.CON.KPHI.FR.Y.0007.071029T0600Z-071029T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY- BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...WEST CHESTER...NORRISTOWN...DOYLESTOWN... MEDIA 827 PM EDT SUN OCT 28 2007 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT MONDAY. SKIES WILL BE MOSTLY CLEAR TO CLEAR TONIGHT. WINDS WILL DIMINISH FROM 5 TO 10 MPH TO LIGHT. THIS WILL LET TEMPERATURES DROP INTO THE 30S...AND FROST SHOULD FORM IN MANY AREAS BY DAYBREAK MONDAY. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE...IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE...YOU WILL NEED TO PROTECT THEM OR BRING THEM INDOORS TONIGHT. $$ RNS/MPD
000 WWUS71 KPHI 290750 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 350 AM EDT MON OCT 29 2007 NJZ001-007>010-PAZ054-055-060>062-291300- /O.CON.KPHI.FZ.W.0004.000000T0000Z-071029T1300Z/ 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 350 AM EDT MON OCT 29 2007 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... UNDER A MOSTLY CLEAR SKY WITH A LIGHT WIND, TEMPERATURES DROPPED INTO THE 30S OVERNIGHT. BY DAYBREAK, MUCH OF THE POCONO REGION, THE LEHIGH VALLEY AND BERKS COUNTY IN PENNSYLVANIA, AS WELL AS NORTHWESTERN NEW JERSEY, WILL DROP INTO THE UPPER 20S OR LOWER 30S. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS CONTINUED THE FREEZE WARNING FOR EARLY THIS MORNING. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE, IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE, THEY WILL LIKELY SUFFER SOME DAMAGE FROM THE SUB FREEZING TEMPERATURES AND WIDESPREAD FROST. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-291300- /O.CON.KPHI.FR.Y.0007.000000T0000Z-071029T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY- BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...WEST CHESTER...NORRISTOWN...DOYLESTOWN... MEDIA 350 AM EDT MON OCT 29 2007 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... UNDER A MOSTLY CLEAR SKY WITH A LIGHT WIND, TEMPERATURES DROPPED INTO THE 30S OVERNIGHT IN MUCH OF SOUTHEASTERN PENNSYLVANIA, CENTRAL AND SOUTHERN NEW JERSEY, DELAWARE AND NORTHEASTERN MARYLAND. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS CONTINUED THE FROST ADVISORY FOR EARLY THIS MORNING. THE UNUSUALLY WARM OCTOBER HAS PROLONGED THE GROWING SEASON IN OUR REGION. THEREFORE, IF YOU HAVE ANY REMAINING SENSITIVE PLANTS THAT ARE OUTSIDE, THEY MAY SUFFER SOME DAMAGE FROM THE FROST. $$ IOVINO
000 WWUS71 KPHI 291257 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 857 AM EDT MON OCT 29 2007 NJZ001-007>010-PAZ054-055-060>062-291400- /O.EXP.KPHI.FZ.W.0004.000000T0000Z-071029T1300Z/ 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 857 AM EDT MON OCT 29 2007 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... THE FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING. A WIDESPREAD HARD FREEZE OCCURRED OVER MUCH OF THE AREA DURING THE EARLY MORNING HOURS AS TEMPERATURES BOTTOMED OUT IN THE MID 20S. TEMPERATURES ARE EXPECTED TO RISE INTO THE MID 40S IN THE HIGHER ELEVATIONS LATER TODAY AND INTO THE LOW 50S ELSEWHERE. WITH CLEAR SKIES AND LIGHT WINDS...SUBFREEZING TEMPERATURES ARE EXPECTED AGAIN TONIGHT...ESPECIALLY IN THE HIGHER ELEVATIONS. IF YOU HAVE ANY SENSITIVE PLANTS OUTSIDE...THEY WILL NEED TO BE PROTECTED ONCE AGAIN TONIGHT AND EARLY TUESDAY MORNING. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-291400- /O.EXP.KPHI.FR.Y.0007.000000T0000Z-071029T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY- BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...WEST CHESTER...NORRISTOWN...DOYLESTOWN... MEDIA 857 AM EDT MON OCT 29 2007 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING. WIDESPREAD FROST OCCURRED OVER THE AREA DURING THE EARLY MORNING HOURS AS TEMPERATURES BOTTOMED OUT IN THE LOW 30S IN MANY LOCATIONS. TEMPERATURES ARE EXPECTED TO RISE INTO THE LOW TO MID 50S THIS AFTERNOON. WITH CLEAR SKIES AND LIGHT WINDS EXPECTED TONIGHT...FREEZING OR EVEN SUBFREEZING TEMPERATURES ARE POSSIBLE BY EARLY TUESDAY MORNING. ANY SENSITIVE PLANTS WHICH ARE STILL OUTDOORS WILL ONCE AGAIN NEED TO BE PROTECTED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 28, 3:55 AM EDT | Frost Advisory | PHI | Delaware, Philadelphia | 29 hr |
Nearby
Freeze Warnings in Pennsylvania, 2007Freeze Warnings in New Jersey, 2007Every freeze warning 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.