Alert archive / Pennsylvania / Ice Storm Warnings in 2007
Ice Storm Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this ice storm warning at Dec 2, 2007, 11:03 PM EST for Morris County, Sussex County, Warren County, New Jersey; 5 counties in Pennsylvania. It was in force for 4 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
- Dec 2, 2007, 11:03 PM EST (04:03 UTC)
- Expired
- Dec 3, 2007, 3:13 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Morris 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), 122 km from the middle of the area, began a volume at 04:03 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, 4.1 hours before the alert went out and 202 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
- 578 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 552 m²/s²
- 0-3 km storm-relative helicity
- 613 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS41 KPHI 030403 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1103 PM EST SUN DEC 2 2007 ...ICY CONDITIONS EXPECTED OVERNIGHT... NJZ001-PAZ054-055-031000- /O.CAN.KPHI.WS.W.0004.000000T0000Z-071203T1100Z/ /O.NEW.KPHI.IS.W.0002.071203T0403Z-071203T1000Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1103 PM EST SUN DEC 2 2007 ...ICE STORM WARNING IN EFFECT UNTIL 5 AM EST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN ICE STORM WARNING, WHICH IS IN EFFECT UNTIL 5 AM EST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. AN AREA OF MODERATE TO HEAVY RAIN WILL CONTINUE TO MOVE THROUGH THE AREA, AND TEMPERATURES CONTINUE TO REMAIN BELOW FREEZING. MOST ALL OF THE PRECIPITATION WILL END BY SUNRISE MONDAY, HOWEVER NOT BEFORE AN ACCUMULATION OF ICE OF AROUND ONE HALF OF AN INCH OCCURS. ICE ACCUMULATIONS WILL LEAD TO FALLING TREE BRANCHES AND SNAPPED POWER LINES, RESULTING IN POWER OUTAGES. THE FREEZING RAIN WILL ALSO MAKE TRAVEL ON UNTREATED ROADS DANGEROUS OR IMPOSSIBLE. IF YOU MUST TRAVEL, ALLOW EXTRA TIME TO REACH YOUR DESTINATION, AND LET SOMEONE KNOW YOUR TRAVEL PLANS AND CARRY A CELLULAR PHONE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ NJZ007-008-PAZ060>062-031000- /O.UPG.KPHI.WW.Y.0014.000000T0000Z-071203T0600Z/ /O.NEW.KPHI.IS.W.0002.071203T0403Z-071203T1000Z/ WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING... ALLENTOWN...BETHLEHEM...EASTON 1103 PM EST SUN DEC 2 2007 ...ICE STORM WARNING IN EFFECT UNTIL 5 AM EST MONDAY... ...WINTER WEATHER ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN ICE STORM WARNING, WHICH IS IN EFFECT UNTIL 5 AM EST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. AN AREA OF MODERATE TO HEAVY RAIN WILL CONTINUE TO MOVE THROUGH THE AREA, AND TEMPERATURES CONTINUE TO REMAIN BELOW FREEZING. MOST ALL OF THE PRECIPITATION WILL END BY SUNRISE MONDAY, HOWEVER NOT BEFORE AN ACCUMULATION OF AROUND ONE HALF OF AN INCH OCCURS. ICE ACCUMULATIONS WILL LEAD TO FALLING TREE BRANCHES AND SNAPPED POWER LINES, RESULTING IN POWER OUTAGES. THE FREEZING RAIN WILL ALSO MAKE TRAVEL ON UNTREATED ROADS DANGEROUS OR IMPOSSIBLE. IF YOU MUST TRAVEL, ALLOW EXTRA TIME TO REACH YOUR DESTINATION, AND LET SOMEONE KNOW YOUR TRAVEL PLANS AND CARRY A CELLULAR PHONE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ NJZ009-010-PAZ067>069-030600- /O.CON.KPHI.WW.Y.0014.000000T0000Z-071203T0600Z/ HUNTERDON-SOMERSET-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE... WEST CHESTER...NORRISTOWN...DOYLESTOWN 1103 PM EST SUN DEC 2 2007 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY. MODERATE TO OCCASIONALLY HEAVY RAIN POSSIBLY MIXED WITH SLEET WILL CONTINUE FOR AWHILE OVERNIGHT WHERE TEMPERATURES IN MAY AREAS ARE AT OR BELOW FREEZING. HOWEVER, WARMER AIR WILL ARRIVE OVERNIGHT AND CHANGE THE PRECIPITATION OVER TO PLAIN RAIN. THE RAIN WILL COME TO AN END MONDAY MORNING. ICE ACCUMULATION OF A TENTH TO A QUARTER OF AN INCH IS EXPECTED ESPECIALLY IN THE COLDER AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW, SLEET, OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. $$ NJZ012-015-030600- /O.CON.KPHI.WW.Y.0014.000000T0000Z-071203T0600Z/ MIDDLESEX-MERCER- INCLUDING THE CITIES OF...NEW BRUNSWICK...TRENTON 1103 PM EST SUN DEC 2 2007 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY. MODERATE TO OCCASIONALLY HEAVY RAIN POSSIBLY MIXED WITH SLEET WILL CONTINUE FOR AWHILE OVERNIGHT WHERE TEMPERATURES IN MAY AREAS ARE AT OR BELOW FREEZING. HOWEVER, WARMER AIR WILL ARRIVE OVERNIGHT AND CHANGE THE PRECIPITATION OVER TO PLAIN RAIN. THE RAIN WILL COME TO AN END MONDAY MORNING. ICE ACCUMULATION OF A TENTH TO A QUARTER OF AN INCH IS EXPECTED ESPECIALLY IN THE COLDER AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW, SLEET, OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. $$ GORSE
2 follow-up statements
000 WWUS41 KPHI 030556 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1256 AM EST MON DEC 3 2007 ...ICY CONDITIONS EXPECTED OVERNIGHT... NJZ009-010-012-015-PAZ067>069-030700- /O.CAN.KPHI.WW.Y.0014.000000T0000Z-071203T0600Z/ HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN 1256 AM EST MON DEC 3 2007 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES HAVE SLOWLY WARMED OVER THE AREA AND MUCH OF THE PRECIPITATION HAS CHANGED TO ALL RAIN. THE RAINS WILL GRADUALLY TAPER OFF FROM WEST TO EAST BETWEEN 3 AM AND 6 AM. $$ NJZ001-007-008-PAZ054-055-060>062-031000- /O.CON.KPHI.IS.W.0002.000000T0000Z-071203T1000Z/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 1256 AM EST MON DEC 3 2007 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY THIS MORNING... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY THIS MORNING. AN AREA OF MODERATE TO HEAVY RAIN WILL CONTINUE TO MOVE THROUGH THE AREA... AND TEMPERATURES CONTINUE TO REMAIN BELOW FREEZING. MOST ALL OF THE PRECIPITATION WILL TAPER OFF BY 5 AM... HOWEVER NOT BEFORE AN ACCUMULATION OF AROUND ONE HALF OF AN INCH OCCURS. ICE ACCUMULATIONS WILL LEAD TO FALLING TREE BRANCHES AND SNAPPED POWER LINES... RESULTING IN POWER OUTAGES. THE FREEZING RAIN WILL ALSO MAKE TRAVEL ON UNTREATED ROADS DANGEROUS OR IMPOSSIBLE. IF YOU MUST TRAVEL... ALLOW EXTRA TIME TO REACH YOUR DESTINATION... AND LET SOMEONE KNOW YOUR TRAVEL PLANS AND CARRY A CELLULAR PHONE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ OHARA
000 WWUS41 KPHI 030813 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 313 AM EST MON DEC 3 2007 NJZ001-007-031300- /O.CAN.KPHI.IS.W.0002.000000T0000Z-071203T1000Z/ /O.NEW.KPHI.ZR.Y.0003.071203T0813Z-071203T1300Z/ SUSSEX-WARREN- INCLUDING THE CITIES OF...NEWTON...WASHINGTON 313 AM EST MON DEC 3 2007 ...FREEZING RAIN ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING... ...ICE STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM EST THIS MORNING. THE ICE STORM WARNING HAS BEEN CANCELLED. ALTHOUGH THE WIDESPREAD FREEZING RAIN HAS TAPERED OFF AND ENDED, TEMPERATURES IN MANY AREAS REMAIN BELOW FREEZING. TEMPERATURES WILL BE SLOW TO RISE EARLY THIS MORNING AND SOME AREAS COULD STILL BE BELOW FREEZING AS OF 8 AM. IN ADDITION, THERE WAS AN AREA OF RAIN SHOWERS AND FREEZING RAIN ASSOCIATED WITH A COLD FRONT THAT WILL MOVE THROUGH THE REGION EARLY THIS MORNING. THIS MEANS ANOTHER PERIOD OF FREEZING RAIN IS POSSIBLE UNTIL 8 AM, AFTER WHICH, TEMPERATURES SHOULD MOVE ABOVE FREEZING AND PRECIPITATION TEMPORARILY ENDS. ADDITIONAL LIGHT FREEZING RAIN ACCUMULATIONS WILL KEEP UNTREATED ROADWAYS SLIPPERY. MOTORISTS SHOULD BE PREPARED FOR THE ICY CONDITIONS. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ NJZ008-PAZ054-055-060>062-030915- /O.CAN.KPHI.IS.W.0002.000000T0000Z-071203T1000Z/ MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...MORRISTOWN...JIM THORPE...STROUDSBURG... READING...ALLENTOWN...BETHLEHEM...EASTON 313 AM EST MON DEC 3 2007 ...ICE STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE ICE STORM WARNING. TEMPERATURES HAVE MOVED ABOVE FREEZING AND FREEZING RAIN IS NO LONGER EXPECTED. $$ STAUBER
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 3, 3:13 AM EST | Freezing Rain Advisory | PHI | Sussex, Warren | 5 hr |
| Dec 3, 2:31 PM EST | Marine Weather Statement | PHI | 21 hr |
Nearby
Ice Storm Warnings in Pennsylvania, 2007Ice Storm Warnings in New Jersey, 2007Every ice storm 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.