Alert archive / Pennsylvania / Winter Storm Watches in 2012
Winter Storm Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm watch at Dec 25, 2012, 3:51 AM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Dec 26, 2012, 12:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 25, 2012, 3:51 AM EST (08:51 UTC)
- In effect from
- Dec 26, 2012, 12:00 PM EST
- Expired
- Dec 25, 2012, 9:21 PM EST
- In force
- 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 08:55 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, 8.9 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
- 1052 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
125 WWUS41 KPHI 250851 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 351 AM EST TUE DEC 25 2012 NJZ001-PAZ054-055-251700- /O.NEW.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/ /O.CON.KPHI.WW.Y.0008.000000T0000Z-121225T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 351 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING. * HAZARD TYPES...PATCHY FREEZING RAIN AND FREEZING DRIZZLE THIS MORNING. SNOW...SLEET AND FREEZING RAIN WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * SNOW ACCUMULATIONS...6 INCHES OR MORE OF SNOW IS POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * ICE ACCUMULATION...A TRACE THIS MORNING. AROUND ONE-QUARTER OF AN INCH OF ICE POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * TIMING...PATCHY FREEZING RAIN AND FREEZING DRIZZLE THROUGH EARLY THIS MORNING. WINTRY WEATHER RETURNS WEDNESDAY AFTERNOON AND CONTINUES INTO THURSDAY MORNING. * IMPACTS...TRAVEL MAY BE HAZARDOUS IN THE ADVISORY AREA. USE EXTRA CARE AND ALLOW YOURSELF ADDITIONAL TIME TO REACH YOUR DESTINATION. * WINDS...LIGHT AND VARIABLE WINDS THIS MORNING. NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH WEDNESDAY AFTERNOON INTO THURSDAY MORNING . * TEMPERATURES...IN THE LOWER 30S. * LOCATIONS...THE WINTER STORM WATCH HAS BEEN POSTED FOR CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN AND FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION IF DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NJZ007>010-PAZ060>062-101-103-105-251200- /O.CON.KPHI.WW.Y.0008.000000T0000Z-121225T1200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 351 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * HAZARD TYPES...PATCHY FREEZING RAIN AND FREEZING DRIZZLE. * ACCUMULATIONS...A TRACE OF ICE. * TIMING...THROUGH EARLY THIS MORNING. * IMPACTS...TRAVEL MAY BE HAZARDOUS IN THE ADVISORY AREA. USE EXTRA CARE AND ALLOW YOURSELF ADDITIONAL TIME TO REACH YOUR DESTINATION. * TEMPERATURES...IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN AND FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION IF DRIVING. && $$
4 follow-up statements
141 WWUS41 KPHI 251127 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 627 AM EST TUE DEC 25 2012 NJZ009-010-PAZ060-061-101-103-105-251230- /O.CAN.KPHI.WW.Y.0008.000000T0000Z-121225T1200Z/ HUNTERDON-SOMERSET-BERKS-LEHIGH-WESTERN CHESTER- WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...READING... ALLENTOWN...HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN... CHALFONT...PERKASIE 627 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ NJZ001-PAZ054-055-251930- /O.EXT.KPHI.WW.Y.0008.000000T0000Z-121225T1500Z/ /O.CON.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 627 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... * HAZARD TYPES...PATCHY FREEZING RAIN AND FREEZING DRIZZLE THIS MORNING. SNOW...SLEET AND FREEZING RAIN WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * SNOW ACCUMULATIONS...6 INCHES OR MORE OF SNOW IS POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * ICE ACCUMULATION...A TRACE THIS MORNING. AROUND ONE-QUARTER OF AN INCH OF ICE POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * TIMING...PATCHY FREEZING RAIN AND FREEZING DRIZZLE THROUGH EARLY THIS MORNING. WINTRY WEATHER RETURNS WEDNESDAY AFTERNOON AND CONTINUES INTO THURSDAY MORNING. * IMPACTS...TRAVEL MAY BE HAZARDOUS IN THE ADVISORY AREA. USE EXTRA CARE AND ALLOW YOURSELF ADDITIONAL TIME TO REACH YOUR DESTINATION. * WINDS...LIGHT AND VARIABLE WINDS THIS MORNING. NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH WEDNESDAY AFTERNOON INTO THURSDAY MORNING . * TEMPERATURES...IN THE LOWER 30S. * LOCATIONS...THE WINTER STORM WATCH HAS BEEN POSTED FOR CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN AND FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION IF DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NJZ007-008-PAZ062-251500- /O.EXT.KPHI.WW.Y.0008.000000T0000Z-121225T1500Z/ WARREN-MORRIS-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...BETHLEHEM... EASTON 627 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... * HAZARD TYPES...PATCHY FREEZING RAIN AND FREEZING DRIZZLE. * ACCUMULATIONS...A TRACE OF ICE. * TIMING...THROUGH EARLY THIS MORNING. * IMPACTS...TRAVEL MAY BE HAZARDOUS IN THE ADVISORY AREA. USE EXTRA CARE AND ALLOW YOURSELF ADDITIONAL TIME TO REACH YOUR DESTINATION. * TEMPERATURES...IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN AND FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION IF DRIVING. && $$
730 WWUS41 KPHI 251427 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 927 AM EST TUE DEC 25 2012 NJZ001-PAZ054-055-252230- /O.CAN.KPHI.WW.Y.0008.000000T0000Z-121225T1500Z/ /O.CON.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 927 AM EST TUE DEC 25 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. * HAZARD TYPES...FREEZING DRIZZLE HAS ENDED THIS MORNING SO THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. HOWEVER...SNOW...SLEET AND FREEZING RAIN ARE EXPECTED WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * SNOW ACCUMULATIONS...2 TO 4 INCHES WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * ICE ACCUMULATION...AROUND ONE-QUARTER OF AN INCH OF ICE POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * TIMING...WINTRY WEATHER WEDNESDAY AFTERNOON AND CONTINUES INTO THURSDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TEMPERATURES...IN THE LOWER 30S. * LOCATIONS...THE WINTER STORM WATCH HAS BEEN POSTED FOR CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NJZ007-008-PAZ062-251530- /O.CAN.KPHI.WW.Y.0008.000000T0000Z-121225T1500Z/ WARREN-MORRIS-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...BETHLEHEM... EASTON 927 AM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. PRECIPITATION HAS MOVED OUT OF THE AREA AND NO LONGER POSSES A THREAT TO THE REGION THIS MORNING. $$
983 WWUS41 KPHI 252011 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 311 PM EST TUE DEC 25 2012 NJZ001-PAZ054-055-261000- /O.CON.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 311 PM EST TUE DEC 25 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... * HAZARD TYPES...FREEZING DRIZZLE HAS ENDED THIS MORNING SO THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. HOWEVER...SNOW... SLEET AND FREEZING RAIN ARE EXPECTED WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * LOCATIONS...THE WINTER STORM WATCH HAS BEEN POSTED FOR CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY. * SNOW ACCUMULATIONS...3 TO 6 INCHES. * ICE ACCUMULATION...UP TO ONE-QUARTER OF AN INCH OF ICE POSSIBLE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * TIMING...SNOW SHOULD OVERSPREAD THE WATCH AREA WEDNESDAY AFTERNOON AND MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN AT TIMES WEDNESDAY NIGHT. A WINTRY MIX SHOULD THEN END LATER THURSDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * VISIBILITIES...BELOW ONE MILE DURING HEAVIER SNOW PARTICULARLY WEDNESDAY AFTERNOON AND EVENING. * TEMPERATURES...MAINLY IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ KRUZDLO/GIGI
976 WWUS41 KPHI 260221 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 921 PM EST TUE DEC 25 2012 NJZ001-PAZ054-055-261100- /O.UPG.KPHI.WS.A.0002.121226T1700Z-121227T1700Z/ /O.NEW.KPHI.WS.W.0004.121226T1700Z-121227T1700Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 921 PM EST TUE DEC 25 2012 ...WINTER STORM WARNING IN EFFECT FROM NOON WEDNESDAY TO NOON EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WARNING FOR A MIXTURE OF SNOW, SLEET AND FREEZING RAIN WHICH IS IN EFFECT FROM NOON WEDNESDAY TO NOON EST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...THE WINTER STORM WARNING HAS BEEN POSTED FOR CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND SUSSEX COUNTY NEW JERSEY. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * ICE ACCUMULATIONS...TWO TENTHS TO FOUR TENTHS OF AN INCH. * TIMING...SNOW SHOULD OVERSPREAD THE WARNING AREA WEDNESDAY AFTERNOON AND MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN AT TIMES WEDNESDAY NIGHT. THE WINTRY MIX SHOULD THEN END LATER THURSDAY MORNING. * HAZARD TYPES...SNOW... SLEET AND FREEZING RAIN ARE EXPECTED WEDNESDAY AFTERNOON INTO THURSDAY MORNING. * IMPACTS...TRAVEL ON UNTREATED ROADWAYS WILL BECOME VERY HAZARDOUS. ICE ACCUMULATIONS MIGHT ALSO CAUSE SOME ISOLATED POWER OUTAGES. * WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. * TEMPERATURES...SHOULD REMAIN AT OR SLIGHTLY BELOW FREEZING THROUGHOUT THE EVENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ NJZ007-008-PAZ060>062-261100- /O.NEW.KPHI.WW.Y.0009.121226T1700Z-121227T1200Z/ WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING... ALLENTOWN...BETHLEHEM...EASTON 921 PM EST TUE DEC 25 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 7 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR A WINTRY MIX OF SNOW, SLEET AND FREEZING RAIN... WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 7 AM EST THURSDAY. * LOCATIONS...BERKS COUNTY, THE LEHIGH VALLEY AND WARREN AND MORRIS COUNTIES IN NORTHERN NEW JERSEY. * HAZARD TYPES...A MIXTURE OF SNOW, SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...1 TO 4 INCHES, HIGHEST TOWARD THE POCONOS AND SUSSEX COUNTY NEW JERSEY. * ICE ACCUMULATIONS...A TRACE TO A TENTH OF AN INCH. * TIMING...PRECIPITATION SHOULD OVERSPREAD THE AREA BY WEDNESDAY AFTERNOON AND CHANGE TO SNOW AS IT BECOMES HEAVIER. PRECIPITATION WILL THEN CHANGE TO SLEET AND FREEZING RAIN LATE IN THE AFTERNOON OR EVENING AND TO PLAIN RAIN OVERNIGHT WEDNESDAY. ISOLATED POCKETS OF FREEZING RAIN MIGHT PERSIST DEEPER INTO THE NIGHT. * IMPACTS...TRAVEL ON UNTREATED ROADS WILL BECOME HAZARDOUS, ESPECIALLY WHEN FREEZING RAIN IS OCCURRING. EXERCISE EXTREME CAUTION ON BRIDGES AND OVERPASSES. * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH. * TEMPERATURES...IN THE LOWER 30S DURING PRECIPITATION, RISING SLOWLY OVERNIGHT ON WEDNESDAY. * VISIBILITIES...ONE HALF A MILE AT TIMES IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SZATKOWSKI/GIGI
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 3:03 PM EST | Flood Watch | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 36 hr |
| Dec 25, 4:11 AM EST | Gale Watch | PHI | 12 hr | |
| Dec 25, 3:29 PM EST | Coastal Flood Watch | PHI | Middlesex, Monmouth, Ocean | 23 hr |
| Dec 25, 3:55 PM EST | Gale Warning | PHI | 60 hr | |
| Dec 25, 3:55 PM EST | Storm Watch | PHI | 12 hr |
Nearby
Winter Storm Watches in Pennsylvania, 2012Winter Storm Watches in New Jersey, 2012Every winter storm watch in 2012
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.