Alert archive / New Jersey / Freeze Warnings in 2009
Freeze Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Oct 18, 2009, 2:04 PM EDT for 4 counties in New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at Oct 19, 2009, 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 18, 2009, 2:04 PM EDT (18:04 UTC)
- In effect from
- Oct 19, 2009, 2:00 AM EDT
- Expired
- Oct 19, 2009, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 18:05 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 12:00Z, 6.1 hours before the alert went out and 192 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
- 503 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 298 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 181804 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 204 PM EDT SUN OCT 18 2009 ...FROST AND SUBFREEZING TEMPERATURES ARE EXPECTED TONIGHT... .SKIES WILL CLEAR AND WINDS WILL DROP OFF LATE TONIGHT ALLOWING TEMPERATURES TO DROP TO THE 30S. NJZ007>010-PAZ060>062-191000- /O.NEW.KPHI.FZ.W.0003.091019T0600Z-091019T1400Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON 204 PM EDT SUN OCT 18 2009 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. THIS MEANS SKIES WILL CLEAR LATE TONIGHT AND WINDS WILL DIMINISH. TEMPERATURES SHOULD FALL TO AROUND 30. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001-MDZ008-012-015-019-020-NJZ015>019-021-PAZ067>071-191000- /O.NEW.KPHI.FR.Y.0010.091019T0600Z-091019T1400Z/ NEW CASTLE-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CUMBERLAND-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... MILLVILLE...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA... PHILADELPHIA 204 PM EDT SUN OCT 18 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. THIS MEANS SKIES WILL CLEAR LATE TONIGHT AND WINDS WILL DIMINISH. TEMPERATURES SHOULD FALL TO THE LOWER AND MIDDLE 30S. EVEN THOUGH THE FROST ADVISORY IS ALSO IN EFFECT FOR PHILADELPHIA, MOST OF THE FROST THAT FORMS SHOULD BE AWAY FROM THE HIGHLY URBANIZED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
3 follow-up statements
000 WWUS71 KPHI 190008 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 808 PM EDT SUN OCT 18 2009 ...FROST AND SUBFREEZING TEMPERATURES ARE EXPECTED TONIGHT... .SKIES WILL CLEAR AND WINDS WILL DROP OFF LATE TONIGHT ALLOWING TEMPERATURES TO DROP TO THE 30S. PAZ067>069-190900- /O.UPG.KPHI.FR.Y.0010.091019T0600Z-091019T1400Z/ /O.EXA.KPHI.FZ.W.0003.091019T0600Z-091019T1400Z/ CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WEST CHESTER...NORRISTOWN...DOYLESTOWN 808 PM EDT SUN OCT 18 2009 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. THIS MEANS CLEAR SKIES COUPLED WITH DIMINISHING WINDS WILL PERMIT LOW TEMPERATURES TO FALL IN THE LOWER AND MIDDLE 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ007>010-PAZ060>062-190900- /O.CON.KPHI.FZ.W.0003.091019T0600Z-091019T1400Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON 808 PM EDT SUN OCT 18 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. SKIES HAVE OR ARE CLEARING AND WINDS WILL BE LIGHT. LOW TEMPERATURES SHOULD FALL TO AROUND 30. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ012-190900- /O.EXA.KPHI.FR.Y.0010.091019T0600Z-091019T1400Z/ MIDDLESEX- INCLUDING THE CITY OF...NEW BRUNSWICK 808 PM EDT SUN OCT 18 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. THIS MEANS SKIES WILL CLEAR LATE TONIGHT AND WINDS WILL DIMINISH. TEMPERATURES SHOULD FALL INTO THE MIDDLE 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DEZ001-MDZ008-012-015-019-020-NJZ015>019-021-PAZ070-071-190900- /O.CON.KPHI.FR.Y.0010.091019T0600Z-091019T1400Z/ NEW CASTLE-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CUMBERLAND-DELAWARE- PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... MILLVILLE...MEDIA...PHILADELPHIA 808 PM EDT SUN OCT 18 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT MONDAY. THE LOW THAT BROUGHT THE INCLEMENT WEATHER WILL DEPART ALLOWING HIGH PRESSURE TO BUILD IN FROM THE WEST. THIS MEANS SKIES WILL CONTINUE TO CLEAR AND WINDS WILL DIMINISH. LOW TEMPERATURES SHOULD FALL REACH AROUND THE MIDDLE 30S. EVEN THOUGH THE FROST ADVISORY IS ALSO IN EFFECT FOR PHILADELPHIA...MOST OF THE FROST THAT FORMS SHOULD BE AWAY FROM THE HIGHLY URBANIZED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GIGI
000 WWUS71 KPHI 190645 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 245 AM EDT MON OCT 19 2009 NJZ007>010-PAZ060>062-067>069-191300- /O.EXT.KPHI.FZ.W.0003.000000T0000Z-091019T1300Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-CHESTER- MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... WEST CHESTER...NORRISTOWN...DOYLESTOWN 245 AM EDT MON OCT 19 2009 ...FREEZE WARNING NOW IN EFFECT UNTIL 9 AM EDT THIS MORNING... THE FREEZE WARNING IS NOW IN EFFECT UNTIL 9:00 AM. TEMPERATURES FELL INTO THE 30S DURING THE NIGHT THROUGHOUT OUR REGION. THERE WILL BE AREAS OF FROST EARLY THIS MORNING AND SOME LOCATIONS WILL DROP BELOW THE FREEZING MARK FOR A BRIEF TIME. SHORTLY AFTER SUNRISE, TEMPERATURES WILL BEGIN TO REBOUND AND THEY SHOULD RISE INTO THE 40S BY NINE OR TEN OCLOCK THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS THAT SUB-FREEZING TEMPERATURES ARE IMMINENT OR VERY LIKELY. THE SUB-FREEZING CONDITIONS WILL KILL CROPS AND SENSITIVE VEGETATION. && $$ DEZ001-MDZ008-012-015-019-020-NJZ012-015>019-021-PAZ070-071- 191300- /O.EXT.KPHI.FR.Y.0010.000000T0000Z-091019T1300Z/ NEW CASTLE-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CUMBERLAND- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...NEW BRUNSWICK...TRENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...MILLVILLE...MEDIA...PHILADELPHIA 245 AM EDT MON OCT 19 2009 ...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM EDT THIS MORNING... THE FROST ADVISORY IS NOW IN EFFECT UNTIL 9:00 AM. TEMPERATURES FELL INTO THE 30S DURING THE NIGHT THROUGHOUT MOST OF OUR REGION. THERE WILL BE AREAS OF FROST EARLY THIS MORNING. SHORTLY AFTER SUNRISE, TEMPERATURES WILL BEGIN TO REBOUND AND THEY SHOULD RISE INTO THE 40S BY NINE OCLOCK THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ IOVINO
000 WWUS71 KPHI 191249 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 849 AM EDT MON OCT 19 2009 NJZ007>010-PAZ060>062-067>069-191400- /O.EXP.KPHI.FZ.W.0003.000000T0000Z-091019T1300Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-CHESTER- MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... WEST CHESTER...NORRISTOWN...DOYLESTOWN 849 AM EDT MON OCT 19 2009 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... THE FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING. $$ DEZ001-MDZ008-012-015-019-020-NJZ012-015>019-021-PAZ070-071- 191400- /O.EXP.KPHI.FR.Y.0010.000000T0000Z-091019T1300Z/ NEW CASTLE-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CUMBERLAND- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...NEW BRUNSWICK...TRENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...MILLVILLE...MEDIA...PHILADELPHIA 849 AM EDT MON OCT 19 2009 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 9:18 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 30 hr |
| Oct 18, 2:04 PM EDT | Frost Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Mercer, Middlesex and 1 more | 19 hr |
Nearby
Freeze Warnings in New Jersey, 2009Freeze Warnings in Pennsylvania, 2009Every freeze warning in 2009
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.