Alert archive / Pennsylvania / Winter Storm Warnings in 2008
Winter Storm Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm warning at Dec 10, 2008, 3:37 PM EST for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It took effect at Dec 11, 2008, 4:00 AM EST. It was in force for 30 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 10, 2008, 3:37 PM EST (20:37 UTC)
- In effect from
- Dec 11, 2008, 4:00 AM EST
- Expired
- Dec 12, 2008, 9:53 AM EST
- In force
- 30 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 20:38 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.6 hours before the alert went out and 189 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
- 568 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 380 m²/s²
- 0-3 km storm-relative helicity
- 460 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 102037 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 337 PM EST WED DEC 10 2008 NJZ001-PAZ054-055-111100- /O.UPG.KPHI.WS.A.0005.081211T1200Z-081212T1200Z/ /O.NEW.KPHI.WS.W.0004.081211T1100Z-081212T1100Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 337 PM EST WED DEC 10 2008 ...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WARNING FOR CARBON AND MONROE COUNTIES OF NORTHEAST PENNSYLVANIA AND SUSSEX COUNTY IN NORTHWEST NEW JERSEY FOR THE POTENTIAL OF ICE ACCUMULATIONS OF ONE QUARTER TO ONE HALF INCH. THE WARNING IS IN EFFECT FROM 6 AM THURSDAY TO 6 AM EST FRIDAY AND HAS REPLACED THE WINTER STORM WATCH. WARM AIR HAS PILED UP AHEAD OF AN APPROACHING COLD FRONT THAT WILL SLOWLY MOVE EAST BUT REMAIN ALONG THE COAST OVERNIGHT. LOW PRESSURE WILL FORM ON THE SOUTHERN END OF THIS FRONT ALONG THE SOUTHERN APPALACHIANS ON THURSDAY, AND MOVE NORTHEAST. BEFORE THE ONSET OF MUCH HEAVIER PRECIPITATION THURSDAY INTO EARLY FRIDAY, A PERIOD OF MIXED RAIN, SLEET, SNOW AND FREEZING RAIN IS POSSIBLE BY DAYBREAK THURSDAY. IF THAT IS THE CASE, PLEASE DRIVE WITH CARE OVERNIGHT. MEANWHILE, THE NEXT LOW WILL TRACK NORTHEAST ON THURSDAY REACHING THE SOUTHERN NEW JERSEY COAST THURSDAY NIGHT. THERE WILL PLENTY OF MOISTURE MOVING ALONG WITH THE LOW, AS TEMPERATURES BEGIN FALLING OVER THE WARNING AREA. AS A RESULT, SNOW SLEET AND FREEZING RAIN WILL BE FALLING THURSDAY INTO THE AFTERNOON HOURS. THERE MAY BE A PERIOD WHEN A CHANGE OVER TO ALL RAIN OCCURS, BUT IT WILL CHANGE BACK TO A MIXED EVENT WITH FREEZING RAIN BECOMING THE BIGGEST THREAT AND CONTINUING INTO THE OVERNIGHT HOURS. THE PROLONGED PERIOD OF FREEZING RAIN COULD ACCUMULATE ONE QUARTER TO ONE HALF INCH ON SURFACES BEFORE ENDING. IF THAT IS THE CASE, TRAVELING WILL BE EXTREMELY HAZARDOUS, BRINGING SMALL TREES AND WIRES DOWN WITH POWER INTERRUPTIONS. THE HEAVIEST PRECIPITATION WILL BE ENDING FRIDAY MORNING, BUT TEMPERATURES WILL CONTINUE TO FALL, CAUSING ADDITIONAL FREEZING. IN ADDITION, NORTHWEST WINDS COULD GUST TO 25 OR 30 MPH FURTHER BRINING DOWN POWER LINES AND TREES. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THIS POTENTIAL WINTER STORM SITUATION AND MAKE FURTHER REFINEMENTS TO THE FORECAST AS NEEDED. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ EBERWINE/NIERENBERG
6 follow-up statements
000 WWUS41 KPHI 110830 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 AM EST THU DEC 11 2008 NJZ001-PAZ054-055-111700- /O.EXT.KPHI.WS.W.0004.081211T0900Z-081212T1100Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 330 AM EST THU DEC 11 2008 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM EST FRIDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM EST FRIDAY. RAIN AND HIGHER ELEVATION FREEZING RAIN IS OCCURRING ACROSS THE SOUTHERN POCONOS AND SUSSEX COUNTY NEW JERSEY AREA EARLY THIS MORNING. A LOW PRESSURE SYSTEM WILL TRACK UP THE EAST COAST TODAY AND TONIGHT AND IT WILL BRING ANOTHER ROUND OF WINTRY WEATHER WITH IT. THE HIGHEST ELEVATIONS ARE EXPECTED TO REMAIN COLD ENOUGH TODAY FOR SIGNIFICANT AMOUNTS OF SNOW, SLEET AND FREEZING RAIN TO OCCUR. THE LOWER ELEVATIONS WILL HAVE RAIN WITH AREAS OF FREEZING RAIN, BUT THE POTENTIAL FOR ICING EXISTS THERE TOO. TONIGHT, COLDER AIR WILL ARRIVE ACROSS THE AREA AND THE PRECIPITATION WILL CHANGE TO SNOW ACROSS THE ENTIRE AREA. SNOW ACCUMULATIONS UP TO 6 INCHES ARE POSSIBLE, ESPECIALLY OVER THE HIGHEST LOCATIONS. ANY PROLONGED PERIOD OF FREEZING RAIN COULD ACCUMULATE ONE QUARTER TO ONE HALF INCH ON SURFACES. IF THAT IS THE CASE, TRAVELING WILL BE EXTREMELY HAZARDOUS, BRINGING SMALL TREES AND WIRES DOWN WITH POWER INTERRUPTIONS. THE HEAVIEST PRECIPITATION WILL END FRIDAY MORNING, BUT TEMPERATURES WILL CONTINUE TO FALL, CAUSING ADDITIONAL FREEZING. IN ADDITION, GUSTY NORTHWEST WINDS COULD BRING DOWN POWER LINES AND TREES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ PO
000 WWUS41 KPHI 111500 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1000 AM EST THU DEC 11 2008 NJZ001-PAZ054-055-112300- /O.CON.KPHI.WS.W.0004.000000T0000Z-081212T1100Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1000 AM EST THU DEC 11 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY. RAIN WITH SOME SLEET AND HIGHER ELEVATION FREEZING RAIN IS OCCURRING ACROSS THE SOUTHERN POCONOS AND SUSSEX COUNTY NEW JERSEY. THIS TYPE OF WEATHER IS EXPECTED TO PERSIST INTO THIS EVENING. A LOW PRESSURE SYSTEM WILL TRACK UP THE EAST COAST TONIGHT AND IT WILL BRING ANOTHER ROUND OF WINTRY WEATHER WITH IT. THE LIKELIHOOD EXISTS FOR SIGNIFICANT ICING OVER THE HIGHER TERRAIN BEFORE ANY CHANGE OVER TO SNOW OCCURS. THE HIGHEST ELEVATIONS ARE EXPECTED TO REMAIN COLD ENOUGH THIS AFTERNOON AND EVENING FOR FREEZING RAIN AND SLEET. THE LOWER ELEVATIONS WILL HAVE RAIN AND SLEET WITH SOME POSSIBLE FREEZING RAIN. OVERNIGHT...COLDER AIR WILL ARRIVE ACROSS THE AREA AND THE PRECIPITATION WILL CHANGE TO SNOW ACROSS THE ENTIRE AREA. SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE, ESPECIALLY OVER THE HIGHEST LOCATIONS. ANY PROLONGED PERIOD OF FREEZING RAIN COULD ACCRUE TO AROUND HALF AN INCH ON EXPOSED SURFACES. IF THAT IS THE CASE... TRAVELING WILL BE EXTREMELY HAZARDOUS. ALSO THE ICE WILL BRING SMALL TREES...TREE LIMBS AND WIRES DOWN WITH POWER INTERRUPTIONS LIKELY. THE HEAVIEST PRECIPITATION WILL END BY FRIDAY MORNING... BUT TEMPERATURES WILL NOT CHANGE MUCH...LEADING TO VERY LITTLE MELTING DURING THE DAY. IN ADDITION...GUSTY NORTHWEST WINDS COULD BRING DOWN POWER LINES AND TREES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ TFG
000 WWUS41 KPHI 112021 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 321 PM EST THU DEC 11 2008 NJZ001-PAZ054-055-121100- /O.EXT.KPHI.WS.W.0004.000000T0000Z-081212T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 321 PM EST THU DEC 11 2008 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM EST FRIDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM EST FRIDAY. RAIN WITH SOME SLEET, AND HIGHER ELEVATION FREEZING RAIN, CONTINUES ACROSS THE SOUTHERN POCONOS AND SUSSEX COUNTY NEW JERSEY. THIS IS EXPECTED TO PERSIST WELL INTO TONIGHT AS LOW PRESSURE TRACKS UP THE EAST COAST. SIGNIFICANT ICING IS EXPECTED OVER THE HIGHER TERRAIN BEFORE THE PRECIPITATION CHANGES OVER TO SNOW LATER TONIGHT. THE HIGHEST ELEVATIONS ARE EXPECTED TO REMAIN COLD ENOUGH THROUGH THE EVENING HOURS FOR FREEZING RAIN AND SLEET, WHILE THE LOWER ELEVATIONS WILL HAVE MAINLY RAIN AND SLEET. OVERNIGHT, COLDER AIR WILL ARRIVE ACROSS THE AREA AND THE PRECIPITATION WILL CHANGE TO SNOW AFTER MIDNIGHT. SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE, ESPECIALLY OVER THE HIGHEST LOCATIONS. ICE ACCUMULATIONS AS OF MID AFTERNOON RANGED UP TO AROUND 1/4 INCH, MAINLY ON OFF-ROAD SURFACES, ESPECIALLY TREES AND WIRES. THE ICE COULD ACCRUE TO AROUND 1/2 INCH ON EXPOSED SURFACES IN AREAS THAT REMAIN AT OR BELOW FREEZING FOR ANY PROLONGED PERIOD OF TIME. TRAVELING COULD BECOME HAZARDOUS OVERNIGHT AS TEMPERATURES BEGIN TO FALL AND ROADWAYS BEGIN ICE OVER. ALSO THE ICE COULD BRING SMALL TREES, TREE LIMBS, AND WIRES DOWN WITH POWER INTERRUPTIONS POSSIBLE. THE HEAVIEST PRECIPITATION WILL END BY FRIDAY MORNING, BUT TEMPERATURES WILL NOT CHANGE MUCH DURING THE DAY FRIDAY, LEADING TO VERY LITTLE MELTING DURING THE DAY. IN ADDITION, GUSTY NORTHWEST WINDS COULD BRING DOWN POWER LINES AND TREES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET, AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ RPW
000 WWUS41 KPHI 120309 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1009 PM EST THU DEC 11 2008 NJZ001-PAZ054-055-121115- /O.CON.KPHI.WS.W.0004.000000T0000Z-081212T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1009 PM EST THU DEC 11 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY. IN THE SOUTHERN POCONOS IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY, COLDER TEMPERATURES WILL BE RETURNING OVERNIGHT. RAIN WILL CHANGE TO FREEZING RAIN AND SLEET, MAINLY AT THE HIGHER ELEVATIONS BY 3 AM. DURING THE EARLY MORNING HOURS, AROUND SUNRISE, RAIN, FREEZING RAIN AND SLEET SHOULD CHANGE OVER TO SNOW. ICE ACCUMULATIONS COULD ACCRUE TO 1/4 TO 1/2 INCH ON EXPOSED SURFACES. AFTER THE PRECIPITATION CHANGES TO SNOW, 2 TO 4 INCHES ARE POSSIBLE...ESPECIALLY OVER THE HIGHEST LOCATIONS. TRAVELING WILL BECOME HAZARDOUS OVERNIGHT AS TEMPERATURES AGAIN FALL BELOW FREEZING AND ROADWAYS BEGIN ICE OVER. ALSO THE ICE COULD BRING SMALL TREES...TREE LIMBS...AND WIRES DOWN WITH POWER INTERRUPTIONS POSSIBLE. EVEN THOUGH THE HEAVIEST PRECIPITATION WILL END EARLY FRIDAY MORNING...PRECIPITATION SHOULD CONTINUE UNTIL AROUND NOON. TEMPERATURES WILL NOT CHANGE MUCH DURING THE DAY FRIDAY... LEADING TO VERY LITTLE MELTING DURING THE DAY. IN ADDITION... GUSTY NORTHWEST WINDS COULD BRING DOWN POWER LINES AND TREES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ RNS
000 WWUS41 KPHI 120812 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 312 AM EST FRI DEC 12 2008 NJZ001-PAZ054-055-121500- /O.CON.KPHI.WS.W.0004.000000T0000Z-081212T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 312 AM EST FRI DEC 12 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. IN THE SOUTHERN POCONOS IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY...COLDER TEMPERATURES WILL BE RETURNING THROUGH THIS MORNING. OVERNIGHT TEMPERATURES HOVERED AROUND FREEZING AT THE HIGHER ELEVATIONS BUT WERE IN THE MID TO UPPER 30S ELSEWHERE. THIS MEANT THAT MOSTLY RAIN FELL. HOWEVER, COLDER AIR WILL BE SPREADING IN FROM THE NORTH AND TEMPERATURES WILL FALL SLOWLY THROUGH THIS MORNING. AT THE HIGHER ELEVATIONS, FREEZING RAIN AND SLEET CAN BE EXPECTED FOR A FEW HOURS BEFORE CHANGING TO SNOW AND SNOW SHOWERS DURING THE MORNING HOURS. SNOW MAY ACCUMULATE 1 TO 3 INCHES AND FREEZING RAIN COULD ACCUMULATE UP TO 1/4 INCH. AT THE LOWER ELEVATIONS, RAIN AND SLEET SHOULD CHANGE TO SNOW AND SNOW SHOWERS AND A PERIOD OF FREEZING RAIN IS POSSIBLE EARLY THIS MORNING THAT COULD LEAVE A LIGHT COATING OF ICE. BY THIS AFTERNOON, THE SIGNIFICANT PRECIPITATION SHOULD BE OVER, BUT THERE STILL MIGHT BE SOME LINGERING SNOW SHOWERS. TRAVELING WILL BECOME MORE HAZARDOUS THIS MORNING AS TEMPERATURES FALL BELOW FREEZING AND ROADWAYS GET SLIPPERY. ALSO THE ICE COULD BRING SMALL TREES...TREE LIMBS...AND WIRES DOWN WITH POWER INTERRUPTIONS POSSIBLE. GUSTY NORTHWEST WINDS SHOULD DEVELOP LATE THIS MORNING AND THIS AFTERNOON WITH WIND GUSTS TO 25 OR 30 MPH. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ RNS
000 WWUS41 KPHI 121453 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 953 AM EST FRI DEC 12 2008 NJZ001-PAZ054-055-121600- /O.CAN.KPHI.WS.W.0004.000000T0000Z-081212T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 953 AM EST FRI DEC 12 2008 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER STORM WARNING. THE HEAVY PRECIPITATION IS OVER. THERE ARE SIGNIFICANT ACCRETIONS OF ICE OVER THE HIGHER TERRAIN OF SUSSEX COUNTY AND THE POCONOS, WITH SOME PLACES ACCRUING AS MUCH AS THREE QUARTERS OF AN INCH OF ICE. PLEASE BE WARY IF TRAVELING THROUGH THOSE AREAS TODAY. DO NOT GO ANYWHERE NEAR ANY DOWNED UTILITY WIRES. $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:28 PM EST | Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more | 42 hr |
Nearby
Winter Storm Warnings in Pennsylvania, 2008Winter Storm Warnings in New Jersey, 2008Every winter 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.