Alert archive / Pennsylvania / Ice Storm Warnings in 2008
Ice Storm Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this ice storm warning at Feb 1, 2008, 11:56 AM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It was in force for 5 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 1, 2008, 11:56 AM EST (16:56 UTC)
- Expired
- Feb 1, 2008, 5:00 PM EST
- 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 16:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 1, 12:20 PM EST | ICE STORM 0 | 10 Ne Jim Thorpe, PA | 0.25 INCHES OF ICE. 1.5 INCHES OF SLEET. |
| Feb 1, 2:00 PM EST | ICE STORM 0 | Hopatcong, NJ | 0.5 INCHES OF ICE ON TREES. FALLING LIMBS AND ICY ROADS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 4.9 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
- 1075 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 385 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 011656 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1156 AM EST FRI FEB 1 2008 ...WINTRY WEATHER TO AFFECT THE AREA THROUGH THE AFTERNOON... NJZ010-PAZ060-011800- /O.CAN.KPHI.WW.Y.0002.000000T0000Z-080201T1700Z/ SOMERSET-BERKS- INCLUDING THE CITIES OF...SOMERVILLE...READING 1156 AM EST FRI FEB 1 2008 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELED THE WINTER WEATHER ADVISORY. TEMPERATURES ACROSS THE AREA HAVE RISEN ABOVE FREEZING AND WILL REMAIN ABOVE FREEZING THROUGH THE AFTERNOON. ANY PRECIPITATION THAT OCCURS WILL FALL AS RAIN. THE EXCEPTION TO THIS IS IN FAR NORTHWESTERN PORTION OF BERKS COUNTY, ALONG THE HIGHER ELEVATIONS, WHERE THE TEMPERATURES MAY REMAIN AT OR BELOW FREEZING TO CREATE FREEZING RAIN. $$ NJZ001-PAZ054-055-012200- /O.UPG.KPHI.WW.Y.0002.000000T0000Z-080201T2000Z/ /O.NEW.KPHI.IS.W.0001.080201T1656Z-080201T2200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1156 AM EST FRI FEB 1 2008 ...ICE STORM WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN ICE STORM WARNING, WHICH IS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A VARIETY OF WINTRY PRECIPITATION WITH OCCUR TODAY WITH MOST OF IT BEING IN THE FORM OF FREEZING RAIN. AN AREA OF LOW PRESSURE WILL MOVE THROUGH THE OHIO RIVER VALLEY AND INTO THE GREAT LAKES BY THIS EVENING. THE ASSOCIATED WARM FRONT SHOULD REMAIN TO OUR SOUTH DURING MUCH OF THE DAY. AHEAD OF THE WARM FRONT, COLD AIR WILL BE IN PLACE AT THE SURFACE, ALLOWING FOR ANY PRECIPITATION TO FALL AS EITHER FREEZING RAIN OR SLEET. SOME SNOW MAY MIX IN AT TIMES, ESPECIALLY AT THE ONSET OF PRECIPITATION. ANY SNOW AND SLEET ACCUMULATIONS SHOULD ONLY AMOUNT TO ONE INCH. THE COLD FRONT WILL REACH THE AREA AROUND SUNSET FRIDAY, BUT WILL NOT HAVE A DRASTIC AFFECT ON THE TEMPERATURES, ALTHOUGH THEY WILL RETURN TO THE MID 20S OVERNIGHT. ICE ACCRETION IN EXCESS OF ONE-HALF OF AN INCH HAS ALREADY OCCURRED IN PORTIONS OF SUSSEX COUNTY NEW JERSEY, AND IS ANTICIPATED IN THE REST OF THE WARNED AREA. WINDS COULD GUST TO 25 AND 35 MPH AT TIMES WHICH WOULD BE SUFFICIENT TO BRING DOWN ANY TREES THAT HAVE ADDED WEIGHT FROM THE ICE BUILDUP. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ NJZ007-008-PAZ061-062-011900- /O.EXT.KPHI.WW.Y.0002.000000T0000Z-080201T1900Z/ WARREN-MORRIS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...ALLENTOWN... BETHLEHEM...EASTON 1156 AM EST FRI FEB 1 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 PM EST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 2 PM EST THIS AFTERNOON. AN AREA OF LOW PRESSURE WILL MOVE THROUGH THE OHIO RIVER VALLEY AND INTO THE GREAT LAKES BY THIS EVENING. THE ASSOCIATED WARM FRONT SHOULD REMAIN TO OUR SOUTH DURING MUCH OF THE DAY. AHEAD OF THE WARM FRONT, COLD AIR WILL BE IN PLACE AT THE SURFACE, ALLOWING FOR ANY PRECIPITATION TO FALL AS EITHER FREEZING RAIN OR SLEET. SOME SNOW MAY MIX IN AT TIMES, ESPECIALLY AT THE ONSET OF PRECIPITATION. ANY SNOW AND SLEET ACCUMULATIONS WILL BE LESS THAN ONE INCH. TEMPERATURES SHOULD RISE ENOUGH TO CHANGE THE PRECIPITATION OVER TO ALL RAIN. THE COLD FRONT WILL REACH THE AREA AROUND SUNSET FRIDAY, BUT WILL NOT HAVE A DRASTIC AFFECT ON THE TEMPERATURES, ALTHOUGH THEY WILL RETURN TO NEAR FREEZING OVERNIGHT. AN ADDITIONAL LIGHT GLAZE OF ICING IS EXPECTED, WITH THE BEST CHANCE FOR FREEZING RAIN BEING IN THE HIGHER ELEVATIONS IN THE NORTHERN AND WESTERN PARTS OF THE COUNTIES, WHERE IT COULD ALSO LAST LONGER INTO THE DAY. BY MID AFTERNOON, SUFFICIENT WARM AIR WILL TURN THE ICY MIX OVER AT ALL RAIN AND SOME OF THAT RAIN COULD BE HEAVY AT TIMES CAUSING SOME ROADWAY FLOODING. WINDS COULD GUST TO 25 AND 35 MPH AT TIMES WHICH WOULD BE SUFFICIENT TO BRING DOWN ANY SMALL BRANCHES THAT HAVE ADDED WEIGHT FROM THE LIGHT ICE BUILDUP. 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. $$ ROBERTSON
3 follow-up statements
000 WWUS41 KPHI 011910 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 210 PM EST FRI FEB 1 2008 ...WINTRY WEATHER TO AFFECT THE AREA THROUGH THE AFTERNOON... NJZ007-008-PAZ061-062-012015- /O.EXP.KPHI.WW.Y.0002.000000T0000Z-080201T1900Z/ WARREN-MORRIS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...ALLENTOWN... BETHLEHEM...EASTON 210 PM EST FRI FEB 1 2008 ...WINTER WEATHER ADVISORY HAS EXPIRED... THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS MUCH OF THE AREA THIS AFTERNOON, AND ARE EXPECTED TO REMAIN ABOVE FREEZING UNTIL LATER TONIGHT, AFTER THE COLD FRONT MOVES THROUGH. THE HIGHEST ELEVATIONS OF THE AREA MAY REMAIN AROUND FREEZING FOR A COUPLE OF HOURS, BUT SHOULD RISE AHEAD OF THE FRONT. ANY PRECIPITATION THAT FALL SHOULD REMAIN AS ALL RAIN, EXCEPT THE HIGHEST ELEVATIONS, WHERE ISOLATED POCKETS OF FREEZING RAIN MAY REMAIN FOR A LITTLE WHILE LONGER. ROADWAYS MAY STILL BE ICY FROM THE FREEZING RAIN THAT FELL EARLIER, SO DRIVERS SHOULD STILL USE CAUTION ON THE ROADWAYS. $$ NJZ001-PAZ054-055-012200- /O.CON.KPHI.IS.W.0001.000000T0000Z-080201T2200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 210 PM EST FRI FEB 1 2008 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON. A VARIETY OF WINTRY PRECIPITATION WITH OCCUR TODAY WITH MOST OF IT BEING IN THE FORM OF FREEZING RAIN. AN AREA OF LOW PRESSURE WILL MOVE THROUGH THE OHIO RIVER VALLEY AND INTO THE GREAT LAKES BY THIS EVENING. THE ASSOCIATED WARM FRONT SHOULD REMAIN TO OUR SOUTH DURING MUCH OF THE DAY. AHEAD OF THE WARM FRONT... COLD AIR WILL BE IN PLACE AT THE SURFACE... ALLOWING FOR ANY PRECIPITATION TO FALL AS EITHER FREEZING RAIN OR SLEET. SOME SNOW MAY MIX IN AT TIMES... ESPECIALLY AT THE ONSET OF PRECIPITATION. ANY SNOW AND SLEET ACCUMULATIONS SHOULD ONLY AMOUNT TO ONE INCH. THE COLD FRONT WILL REACH THE AREA AROUND SUNSET FRIDAY... BUT WILL NOT HAVE A DRASTIC AFFECT ON THE TEMPERATURES... ALTHOUGH THEY WILL RETURN TO THE MID 20S OVERNIGHT. ICE ACCRETION IN EXCESS OF ONE-HALF OF AN INCH HAS ALREADY OCCURRED IN PORTIONS OF SUSSEX COUNTY NEW JERSEY... AND IS ANTICIPATED IN THE REST OF THE WARNED AREA. WINDS COULD GUST TO 25 AND 35 MPH AT TIMES WHICH WOULD BE SUFFICIENT TO BRING DOWN ANY TREES THAT HAVE ADDED WEIGHT FROM THE ICE BUILDUP. 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. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ ROBERTSON
000 WWUS41 KPHI 012049 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 349 PM EST FRI FEB 1 2008 ...FREEZING RAIN WILL AFFECT HIGHER ELEVATIONS IN THE AREA THROUGH THE AFTERNOON... NJZ001-PAZ054-055-012200- /O.CON.KPHI.IS.W.0001.000000T0000Z-080201T2200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 349 PM EST FRI FEB 1 2008 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...MAINLY FOR THE HIGHER ELEVATIONS... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...MAINLY FOR THE HIGHER ELEVATIONS... A WARM FRONT LOCATED OVER NORTHERN DELAWARE AND SOUTHERN NEW JERSEY AT 300 PM WILL LIFT NORTH LATE THIS AFTERNOON. PRECIPITATION NORTH OF THIS FRONT IS RUNNING INTO COLDER AIR IN PLACE OVER THE HIGHER ELEVATIONS OF THE SOUTHERN POCONOS AND NORTHWESTERN NEW JERSEY...PRODUCING FREEZING RAIN. OVER ONE-HALF INCH OF ICE ACCUMULATION HAS BEEN REPORTED IN SUSSEX COUNTY. WHILE TEMPERATURES ARE EXPECTED TO EVENTUALLY RISE ABOVE FREEZING EVEN IN THESE AREAS...FREEZING RAIN WILL CONTINUE UNTIL THAT HAPPENS. THEREFORE THE ICE STORM WARNING CONTINUES UNTIL 5 PM. TEMPERATURES IN THE LOWER ELEVATIONS HAVE ALREADY RISEN ABOVE THE FREEZING MARK, SO PRECIPITATION IN THESE AREAS IS FALLING AS PLAIN RAIN AT THIS TIME. RAIN IS EXPECTED TO CONTINUE...HEAVY AT TIMES...INTO THE EVENING HOURS. WITH AN ADDITIONAL ONE INCH OF RAIN POSSIBLE INTO THIS EVENING, PONDING OF WATER IN LOW LYING AND POOR DRAINAGE AREAS CAN BE EXPECTED. A COLD FRONT WILL CROSS THE REGION AROUND SUNSET. ONCE THIS HAPPENS...PRECIPITATION WILL GRADUALLY END FROM WEST TO EAST. TEMPERATURES WILL DROP LATER TONIGHT INTO THE MID 20S, BUT THE BULK OF THE PRECIPITATION WILL BE OVER BY THAT TIME. WINDS COULD GUST TO 25 AND 35 MPH AT TIMES AS THIS FRONT APPROACHES...WHICH COULD BE SUFFICIENT TO BRING DOWN ANY TREES THAT HAVE ADDED WEIGHT FROM THE ICE BUILDUP. 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. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ JJM
000 WWUS41 KPHI 012159 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 459 PM EST FRI FEB 1 2008 NJZ001-PAZ054-055-012300- /O.EXP.KPHI.IS.W.0001.000000T0000Z-080201T2200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 459 PM EST FRI FEB 1 2008 ...ICE STORM WARNING WILL EXPIRE AT 5 PM EST THIS AFTERNOON... THE ICE STORM WARNING WILL EXPIRE AT 5 PM EST THIS AFTERNOON. TEMPERATURES CONTINUE TO RISE SLOWLY AS A WARM FRONT LIFTS NORTH THROUGH THE REGION. WHILE SOME FREEZING RAIN IS POSSIBLE IN THE VERY HIGHEST ELEVATIONS AROUND THE AREA...IT IS NOT EXPECTED TO BE WIDESPREAD ENOUGH TO WARRANT THE CONTINUATION OF THE ICE STORM WARNING. A COLD FRONT WILL CROSS THE REGION FROM THE WEST THIS EVENING. RAIN ASSOCIATED WITH THIS FRONT COULD BE HEAVY AT TIMES. PONDING OF WATER ON ROADS AND IN LOW LYING AREAS IS POSSIBLE. SNOW SHOWERS ARE POSSIBLE BEHIND THIS FRONT BUT NO SIGNIFICANT ACCUMULATIONS ARE EXPECTED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 5:03 PM EST | Special Marine Warning | PHI | 117 min |
Nearby
Ice Storm Warnings in Pennsylvania, 2008Ice Storm Warnings in New Jersey, 2008Every ice storm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.