Alert archive / Pennsylvania / Frost Advisories in 2009
Frost Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 10, 2009, 2:57 AM EDT for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It took effect at Oct 11, 2009, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 10, 2009, 2:57 AM EDT (06:57 UTC)
- In effect from
- Oct 11, 2009, 2:00 AM EDT
- Expired
- Oct 11, 2009, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 07:01 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, 7.0 hours before the alert went out and 201 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
- 737 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 250 m²/s²
- 0-3 km storm-relative helicity
- 256 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 100657 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 257 AM EDT SAT OCT 10 2009 ...SCATTERED FROST OVER THE POCONOS AND NORTHWEST NEW JERSEY LATE TONIGHT... NJZ001-PAZ054-055-102100- /O.NEW.KPHI.FR.Y.0007.091011T0600Z-091011T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 257 AM EDT SAT OCT 10 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY. COOLER AND MUCH DRIER AIR WILL MOVE OVER THE REGION TODAY. THIS WILL SET THE STAGE FOR SCATTERED FROST TONIGHT AS SKIES WILL BE CLEAR AND WINDS WILL BE LIGHT. A MORE WIDESPREAD KILLING FROST COULD OCCUR SUNDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
4 follow-up statements
000 WWUS71 KPHI 101827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 227 PM EDT SAT OCT 10 2009 NJZ001-PAZ054-055-111000- /O.NEW.KPHI.FZ.A.0001.091012T0600Z-091012T1200Z/ /O.CON.KPHI.FR.Y.0007.091011T0600Z-091011T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 227 PM EDT SAT OCT 10 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY... ...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY. A FREEZE WATCH IS ALSO IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. COOLER AND DRIER AIR HAS OVERSPREAD THE SOUTHERN POCONOS AND NORTHERN NEW JERSEY. SKIES WILL BECOME CLEAR TONIGHT AND THIS WILL PROMOTE COLD TEMPERATURES AND FROST FORMATION. A MORE WIDESPREAD KILLING FROST WITH FREEZING TEMPERATURES COULD OCCUR SUNDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
000 WWUS71 KPHI 110633 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 233 AM EDT SUN OCT 11 2009 NJZ001-PAZ054-055-111800- /O.UPG.KPHI.FZ.A.0001.091012T0600Z-091012T1200Z/ /O.NEW.KPHI.FZ.W.0002.091012T0200Z-091012T1100Z/ /O.CON.KPHI.FR.Y.0007.000000T0000Z-091011T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 233 AM EDT SUN OCT 11 2009 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. VERY COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THERE WAS SOME SCATTERED FROST THIS MORNING. HOWEVER, IT WILL BE EVEN COLDER TONIGHT UNDER MOSTLY CLEAR SKIES ALONG WITH LIGHT WINDS. LOW TEMPERATURES ARE FORECAST TO BE IN THE LOWER 30S. EARLY MONDAY MORNING...SKIES WILL BECOME PARTLY CLOUDY KEEPING TEMPERATURES FROM GETTING COLDER. WIDESPREAD FROST AND SCATTERED AREAS WITH FREEZING TEMPERATURES ARE EXPECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NJZ007>010-PAZ060>062-069-111800- /O.NEW.KPHI.FR.Y.0008.091012T0200Z-091012T1100Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... DOYLESTOWN 233 AM EDT SUN OCT 11 2009 ...FROST ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THIS COOL AIR WILL COMBINE WITH LIGHT WINDS AND MOSTLY CLEAR SKIES TONIGHT TO ALLOW AREAS OF FROST TO FORM. TEMPERATURES ARE FORECAST TO DIP TO THE MID AND UPPER 30S. EARLY MONDAY MORNING, SOME CLOUDS WILL ARRIVE AND KEEP TEMPERATURES FROM GETTING ANY COLDER. WIDESPREAD FROST AND SCATTERED AREAS WITH FREEZING TEMPERATURES ARE EXPECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
000 WWUS71 KPHI 110902 CCA NPWPHI URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 501 AM EDT SUN OCT 11 2009 NJZ001-PAZ054-055-112045- /O.UPG.KPHI.FZ.A.0001.091012T0600Z-091012T1200Z/ /O.NEW.KPHI.FZ.W.0002.091012T0200Z-091012T1100Z/ /O.CON.KPHI.FR.Y.0007.000000T0000Z-091011T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 501 AM EDT SUN OCT 11 2009 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. VERY COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THERE WAS SOME SCATTERED FROST THIS MORNING. HOWEVER, IT WILL BE EVEN COLDER TONIGHT UNDER MOSTLY CLEAR SKIES ALONG WITH LIGHT WINDS. LOW TEMPERATURES ARE FORECAST TO BE IN THE LOWER 30S. EARLY MONDAY MORNING...SKIES WILL BECOME PARTLY CLOUDY KEEPING TEMPERATURES FROM GETTING COLDER. WIDESPREAD FROST AND SCATTERED AREAS WITH FREEZING TEMPERATURES ARE EXPECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NJZ007>010-PAZ060>062-069-112045- /O.COR.KPHI.FR.Y.0008.091012T0200Z-091012T1100Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... DOYLESTOWN 501 AM EDT SUN OCT 11 2009 ...FROST ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THIS COOL AIR WILL COMBINE WITH LIGHT WINDS AND MOSTLY CLEAR SKIES TONIGHT TO ALLOW AREAS OF FROST TO FORM. TEMPERATURES ARE FORECAST TO DIP TO THE MID AND UPPER 30S. EARLY MONDAY MORNING, SOME CLOUDS WILL ARRIVE AND KEEP TEMPERATURES FROM GETTING ANY COLDER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
000 WWUS71 KPHI 111205 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 805 AM EDT SUN OCT 11 2009 NJZ001-PAZ054-055-112100- /O.EXP.KPHI.FR.Y.0007.000000T0000Z-091011T1200Z/ /O.CON.KPHI.FZ.W.0002.091012T0200Z-091012T1100Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 805 AM EDT SUN OCT 11 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... ...FROST ADVISORY HAS EXPIRED THIS MORNING... THE FROST ADVISORY IS NO LONGER IN EFFECT THIS MORNING. A FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. VERY COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THERE WAS SOME SCATTERED FROST THIS MORNING. HOWEVER...IT WILL BE EVEN COLDER TONIGHT UNDER MOSTLY CLEAR SKIES ALONG WITH LIGHT WINDS. LOW TEMPERATURES ARE FORECAST TO BE IN THE LOWER 30S. EARLY MONDAY MORNING...SKIES WILL BECOME PARTLY CLOUDY KEEPING TEMPERATURES FROM GETTING COLDER. WIDESPREAD FROST AND FREEZING TEMPERATURES ARE EXPECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ NJZ007>010-PAZ060>062-069-112100- /O.CON.KPHI.FR.Y.0008.091012T0200Z-091012T1100Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON-BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... DOYLESTOWN 805 AM EDT SUN OCT 11 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EDT MONDAY. COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH TONIGHT. THIS COOL AIR WILL COMBINE WITH LIGHT WINDS AND MOSTLY CLEAR SKIES TONIGHT TO ALLOW AREAS OF FROST TO FORM. TEMPERATURES ARE FORECAST TO DIP INTO THE MID AND UPPER 30S. EARLY MONDAY MORNING... SOME CLOUDS WILL ARRIVE AND KEEP TEMPERATURES FROM GETTING ANY COLDER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 2:27 PM EDT | Freeze Watch | PHI | Sussex | 15 hr |
Nearby
Frost Advisories in Pennsylvania, 2009Frost Advisories in New Jersey, 2009Every frost advisory 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.