Alert archive / Pennsylvania / Freeze Warnings in 2009
Freeze Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at May 18, 2009, 4:27 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at May 19, 2009, 3:00 AM EDT. It was in force for 5 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
- May 18, 2009, 4:27 AM EDT (08:27 UTC)
- In effect from
- May 19, 2009, 3:00 AM EDT
- Expired
- May 19, 2009, 8:00 AM EDT
- In force
- 5 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 08:26 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
Brookhaven, NY (KOKX), launched 00:00Z, 8.5 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
- 1710 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -114 m²/s²
- 0-3 km storm-relative helicity
- 161 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 180827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 427 AM EDT MON MAY 18 2009 NJZ001-PAZ054-055-182100- /O.NEW.KPHI.FZ.W.0001.090519T0700Z-090519T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 427 AM EDT MON MAY 18 2009 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY. SKIES ARE EXPECTED TO BECOME CLEAR AND WINDS ARE EXPECTED TO BECOME LIGHT IN TIME FOR TEMPERATURES TO DROP TO OR BELOW THE FREEZING MARK OVER MUCH OF THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL SENSITIVE CROPS AND OTHER SENSITIVE VEGETATION. TAKE APPROPRIATE MEASURES TO PROTECT AGRICULTURAL OR GARDENING INTERESTS. && $$ NJZ007-PAZ060>062-182100- /O.NEW.KPHI.FR.Y.0004.090519T0700Z-090519T1200Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 427 AM EDT MON MAY 18 2009 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY. SKIES ARE EXPECTED TO BECOME CLEAR AND WINDS ARE EXPECTED TO BECOME LIGHT IN TIME FOR TEMPERATURES TO DROP TO NEAR THE FREEZING MARK OVER MUCH OF THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NJZ020>022-027-182100- /O.NEW.KPHI.FR.Y.0004.090519T0700Z-090519T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 427 AM EDT MON MAY 18 2009 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY. SKIES ARE EXPECTED TO BECOME CLEAR AND WINDS ARE EXPECTED TO BECOME LIGHT IN TIME FOR TEMPERATURES TO DROP TO NEAR THE FREEZING MARK OVER MUCH OF THE AREA...ESPECIALLY IN THE PINE BARRENS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
000 WWUS71 KPHI 181900 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 300 PM EDT MON MAY 18 2009 NJZ001-PAZ054-055-191200- /O.CON.KPHI.FZ.W.0001.090519T0700Z-090519T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 300 PM EDT MON MAY 18 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 300 AM UNTIL 800 AM ON TUESDAY. THE SKY IS EXPECTED TO CLEAR FOR TONIGHT AND THE WIND WILL BECOME LIGHT AND VARIABLE. THE FORECAST CONDITIONS SHOULD ALLOW TEMPERATURES TO DROP JUST BELOW FREEZING IN MUCH OF THE POCONO REGION OF PENNSYLVANIA AND SUSSEX COUNTY IN NEW JERSEY LATE TONIGHT. ALONG WITH THE FREEZING TEMPERATURES, WIDESPREAD FROST IS ANTICIPATED. TEMPERATURES SHOULD BEGIN TO REBOUND QUICKLY ON TUESDAY MORNING, SHORTLY AFTER THE SUN RISES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS THAT SUB FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THE EXPECTED CONDITIONS WILL KILL SENSITIVE CROPS AND VEGETATION. TAKE APPROPRIATE MEASURES TO PROTECT AGRICULTURAL AND GARDENING INTERESTS. && $$ NJZ008-191200- /O.EXA.KPHI.FR.Y.0004.090519T0700Z-090519T1200Z/ MORRIS- INCLUDING THE CITY OF...MORRISTOWN 300 PM EDT MON MAY 18 2009 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A FROST ADVISORY. IT IS IN EFFECT FROM 300 AM UNTIL 800 AM ON TUESDAY. THE SKY IS EXPECTED TO CLEAR FOR TONIGHT AND THE WIND WILL BECOME LIGHT AND VARIABLE. THE FORECAST CONDITIONS SHOULD ALLOW TEMPERATURES TO DROP INTO THE MIDDLE AND UPPER 30S IN MUCH OF MORRIS COUNTY LATE TONIGHT. AREAS OF FROST WILL LIKELY DEVELOP. TEMPERATURES SHOULD BEGIN TO REBOUND QUICKLY ON TUESDAY MORNING, SHORTLY AFTER THE SUN RISES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NJZ007-PAZ060>062-191200- /O.CON.KPHI.FR.Y.0004.090519T0700Z-090519T1200Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 300 PM EDT MON MAY 18 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 300 AM UNTIL 800 AM ON TUESDAY. THE SKY IS EXPECTED TO CLEAR FOR TONIGHT AND THE WIND WILL BECOME LIGHT AND VARIABLE. THE FORECAST CONDITIONS SHOULD ALLOW TEMPERATURES TO DROP INTO THE MIDDLE AND UPPER 30S IN MUCH OF BERKS COUNTY, THE LEHIGH VALLEY AND WARREN COUNTY LATE TONIGHT. AREAS OF FROST WILL LIKELY DEVELOP. TEMPERATURES SHOULD BEGIN TO REBOUND QUICKLY ON TUESDAY MORNING, SHORTLY AFTER THE SUN RISES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NJZ020>022-027-191200- /O.CON.KPHI.FR.Y.0004.090519T0700Z-090519T1200Z/ OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST 300 PM EDT MON MAY 18 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT TUESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 300 AM UNTIL 800 AM ON TUESDAY. THE SKY IS EXPECTED TO CLEAR FOR TONIGHT AND THE WIND WILL BECOME LIGHT AND VARIABLE. THE FORECAST CONDITIONS SHOULD ALLOW TEMPERATURES TO DROP INTO THE MIDDLE AND UPPER 30S IN MUCH OF THE INTERIOR OF SOUTHERN NEW JERSEY LATE TONIGHT. AREAS OF FROST WILL LIKELY DEVELOP. TEMPERATURES SHOULD BEGIN TO REBOUND QUICKLY ON TUESDAY MORNING, SHORTLY AFTER THE SUN RISES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ IOVINO
000 WWUS71 KPHI 191207 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 807 AM EDT TUE MAY 19 2009 NJZ001-PAZ054-055-191315- /O.EXP.KPHI.FZ.W.0001.000000T0000Z-090519T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 807 AM EDT TUE MAY 19 2009 ...THE FREEZE WARNING HAS EXPIRED... TEMPERATURES HAVE RISEN WELL ABOVE FREEZING, SO THE FREEZE WARNING IS NO LONGER IN EFFECT. $$ NJZ007-008-020>022-027-PAZ060>062-191315- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-090519T1200Z/ WARREN-MORRIS-OCEAN-CUMBERLAND-ATLANTIC-SOUTHEASTERN BURLINGTON- BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...JACKSON... MILLVILLE...HAMMONTON...WHARTON STATE FOREST...READING... ALLENTOWN...BETHLEHEM...EASTON 807 AM EDT TUE MAY 19 2009 ...THE FROST ADVISORY HAS EXPIRED... TEMPERATURES HAVE RISEN WELL ABOVE FREEZING, SO THE FROST ADVISORY IS NO LONGER IN EFFECT. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 4:27 AM EDT | Frost Advisory | PHI | Berks, Lehigh, Northampton | 28 hr |
| May 17, 11:40 PM EDT | Small Craft Advisory | PHI | 20 hr |
Nearby
Freeze Warnings in Pennsylvania, 2009Freeze Warnings in New Jersey, 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.