Alert archive / Pennsylvania / Winter Weather Advisories in 2017
Winter Weather Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter weather advisory at Jan 9, 2017, 2:55 PM EST for 7 counties in Pennsylvania; 5 counties in New Jersey. It took effect at Jan 10, 2017, 6:00 PM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jan 9, 2017, 2:55 PM EST (19:55 UTC)
- In effect from
- Jan 10, 2017, 6:00 PM EST
- Expired
- Jan 11, 2017, 3:17 AM EST
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 105 km from the middle of the area, began a volume at 19:53 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 12:00Z, 7.9 hours before the alert went out and 196 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
- 1005 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
480 WWUS41 KPHI 091955 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 255 PM EST MON JAN 9 2017 NJZ001-007-PAZ054-055-060>062-100800- /O.NEW.KPHI.WW.Y.0003.170110T1600Z-170111T0700Z/ SUSSEX-WARREN-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...EASTON 255 PM EST MON JAN 9 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 2 AM EST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 11 AM TUESDAY TO 2 AM EST WEDNESDAY. * LOCATIONS... MOST OF THE LEHIGH VALLEY, SOUTHERN POCONOS AND NORTHWEST NEW JERSEY * HAZARD TYPES... SNOW AND FREEZING RAIN. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO 1 INCH...WITH ICE ACCUMULATION UP TO A TENTH OF AN INCH. * TIMING... A PERIOD OF SNOW IS LIKELY IN THE LATE MORNING TO EARLY AFTERNOON HOURS TUESDAY. ADDITIONAL MIXED PRECIPITATION WILL MOVE INTO THE REGION LATE IN THE AFTERNOON AND EVENING ON TUESDAY. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...AROUND 30 BUT RISING SLOWLY ABOVE FREEZING TUESDAY NIGHT. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ008-009-PAZ103-105-100800- /O.NEW.KPHI.WW.Y.0003.170110T1600Z-170111T0300Z/ MORRIS-HUNTERDON-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON... COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE 255 PM EST MON JAN 9 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TO 10 PM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 11 AM TO 10 PM EST TUESDAY. * LOCATIONS... PORTIONS OF NORTH CENTRAL NEW JERSEY SOUTHWESTWARD TOWARD THE SOUTHERN PORTIONS OF THE LEHIGH VALLEY. * HAZARD TYPES...SNOW AND FREEZING RAIN * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO 1 INCH...ALONG WITH AROUND A TRACE OF ICE. * ICE ACCUMULATIONS... UP TO A FEW HUNDREDTHS OF AN INCH. * SNOW ACCUMULATIONS...UP TO ONE HALF OF AN INCH. * TIMING... SOME LIGHT SNOW MAY FALL LATE IN THE MORNING OR THE EARLY AFTERNOON. HOWEVER LIGHT FREEZING RAIN WILL DEVELOP LATE IN THE AFTERNOON AND EARLY EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...AROUND 30 SLOWLY RISING TUESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
5 follow-up statements
587 WWUS41 KPHI 100844 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 344 AM EST TUE JAN 10 2017 NJZ010-102045- /O.EXB.KPHI.WW.Y.0003.170110T2300Z-170111T0300Z/ SOMERSET- INCLUDING THE CITY OF...SOMERVILLE 344 AM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM TO 10 PM EST THIS EVENING... * LOCATIONS...PORTIONS OF NORTH CENTRAL NEW JERSEY. * HAZARD TYPES...SNOW AND FREEZING RAIN * ACCUMULATIONS...SNOW ACCUMULATION OF LESS THAN ONE HALF INCH...ALONG WITH AROUND A TRACE OF ICE. * TIMING...A BRIEF PERIOD OF LIGHT SNOW MAY FALL THIS AFTERNOON. ADDITIONAL MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS * TEMPERATURES...IN THE LOWER TO MID 30S. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ PAZ054-055-102045- /O.EXT.KPHI.WW.Y.0003.170110T2300Z-170111T0700Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 344 AM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 2 AM EST WEDNESDAY... * LOCATIONS... MOST OF THE LEHIGH VALLEY... SOUTHERN POCONOS AND NORTHWEST NEW JERSEY * HAZARD TYPES... SNOW AND FREEZING RAIN. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO 1 INCH...ALONG WITH AROUND ONE TO TWO TENTHS OF AN INCH OF ICE. * TIMING...A BRIEF PERIOD OF SNOW IS POSSIBLE THIS AFTERNOON. ADDITIONAL MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ001-007-PAZ060>062-102045- /O.EXT.KPHI.WW.Y.0003.170110T2300Z-170111T0700Z/ SUSSEX-WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON 344 AM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 2 AM EST WEDNESDAY... * LOCATIONS...PORTIONS OF EASTERN PENNSYLVANIA AND NORTHWEST NEW JERSEY * HAZARD TYPES... SNOW AND FREEZING RAIN. * ACCUMULATIONS...SNOW ACCUMULATION OF LESS THAN ONE HALF INCH...ALONG WITH UP TO ONE TENTH OF AN INCH OF ICE. * TIMING...A BRIEF PERIOD OF LIGHT SNOW MAY FALL THIS AFTERNOON. ADDITIONAL MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER TO MID 30S. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ008-009-PAZ103-105-102045- /O.EXT.KPHI.WW.Y.0003.170110T2300Z-170111T0300Z/ MORRIS-HUNTERDON-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON... COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE 344 AM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM TO 10 PM EST THIS EVENING... * LOCATIONS... PORTIONS OF NORTH CENTRAL NEW JERSEY SOUTHWESTWARD TOWARD THE SOUTHERN PORTIONS OF SOUTHEAST PENNSYLVANIA. * HAZARD TYPES...SNOW AND FREEZING RAIN * ACCUMULATIONS...SNOW ACCUMULATION OF LESS THAN ONE HALF INCH...ALONG WITH A COUPLE OF HUNDREDTHS OF AN INCH OF ICE. * TIMING...A BRIEF PERIOD OF LIGHT SNOW MAY FALL THIS AFTERNOON. ADDITIONAL MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER TO MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
657 WWUS41 KPHI 101954 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 254 PM EST TUE JAN 10 2017 PAZ054-055-110700- /O.CON.KPHI.WW.Y.0003.170110T2300Z-170111T0700Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 254 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 2 AM EST WEDNESDAY... * LOCATIONS... SOUTHERN POCONOS. * HAZARD TYPES... SNOW AND FREEZING RAIN. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO 1 INCH...ALONG WITH AROUND A TENTH OF AN INCH OF ICE. * TIMING...A BRIEF PERIOD OF SNOW IS POSSIBLE THROUGH EARLY THIS EVENING. ADDITIONAL MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...RISING THROUGH THE 20S THIS EVENING TO ABOVE FREEZING LATE TONIGHT. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ001-007-PAZ060>062-110700- /O.CON.KPHI.WW.Y.0003.170110T2300Z-170111T0700Z/ SUSSEX-WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON 254 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 2 AM EST WEDNESDAY... * LOCATIONS...LEHIGH VALLEY AND BERKS COUNTY IN PENNSYLVANIA AND NORTHWEST NEW JERSEY * HAZARD TYPES... SNOW AND FREEZING RAIN. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO ONE HALF INCH...ALONG WITH UP TO A FEW HUNDREDTHS OF AN INCH OF ICE. * TIMING...MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE AND SNOW ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE MID TO UPPER 20S THIS EVENING RISING ABOVE FREEZING OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ008>010-PAZ103-105-110300- /O.CON.KPHI.WW.Y.0003.170110T2300Z-170111T0300Z/ MORRIS-HUNTERDON-SOMERSET-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE 254 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM TO 10 PM EST THIS EVENING... * LOCATIONS...PORTIONS OF NORTH CENTRAL NEW JERSEY AND UPPER MONTGOMERY AND BUCKS COUNTIES IN PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN * ACCUMULATIONS...AROUND A TRACE OF ICE. * TIMING...MIXED PRECIPITATION INCLUDING FREEZING RAIN WILL MOVE INTO THE REGION THIS EVENING. * IMPACTS...ICE ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER 30S EARLY THIS EVENING RISING ABOVE FREEZING BY 10 PM. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ PO/CMS
286 WWUS41 KPHI 110140 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 840 PM EST TUE JAN 10 2017 NJZ008>010-PAZ103-105-110245- /O.CAN.KPHI.WW.Y.0003.000000T0000Z-170111T0300Z/ MORRIS-HUNTERDON-SOMERSET-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE 840 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES HAVE WARMED ABOVE FREEZING AND SHOULD REMAIN SO OVERNIGHT. $$ PAZ054-055-111000- /O.EXT.KPHI.WW.Y.0003.000000T0000Z-170111T1000Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 840 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM EST WEDNESDAY... * LOCATIONS... MAINLY HIGHER ELEVATIONS IN THE SOUTHERN POCONOS. * HAZARD TYPES... FREEZING RAIN. * ACCUMULATIONS...UP TO A TENTH OF AN INCH OF ICE. * TIMING....FREEZING RAIN SHOULD BEGIN LATE THIS EVENING AND GRADUALLY CHANGE TO RAIN OVERNIGHT. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE UPPER 20S TO LOWER 30S. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ001-007-PAZ060>062-110500- /O.EXT.KPHI.WW.Y.0003.000000T0000Z-170111T0500Z/ SUSSEX-WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON 840 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * LOCATIONS...MAINLY HIGHER ELEVATIONS AROUND THE LEHIGH VALLEY AND BERKS COUNTY IN PENNSYLVANIA AND NORTHWEST NEW JERSEY. * HAZARD TYPES... FREEZING RAIN. * ACCUMULATIONS...A TRACE TO A FEW HUNDREDTHS OF AN INCH OF ICE. * TIMING...FREEZING RAIN WILL MOVE INTO THE REGION LATE THIS EVENING BEFORE CHANGING OVER TO RAIN AFTER MIDNIGHT. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
255 WWUS41 KPHI 110455 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1155 PM EST TUE JAN 10 2017 NJZ001-007-PAZ060>062-110800- /O.EXT.KPHI.WW.Y.0003.000000T0000Z-170111T0800Z/ SUSSEX-WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON 1155 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM EST WEDNESDAY... * LOCATIONS...MAINLY HIGHER ELEVATIONS AROUND THE LEHIGH VALLEY AND BERKS COUNTY IN PENNSYLVANIA AND NORTHWEST NEW JERSEY. * HAZARD TYPES...FREEZING RAIN. * ACCUMULATIONS...A TRACE TO A FEW HUNDREDTHS OF AN INCH OF ICE. * TIMING....POCKETS OF FREEZING RAIN WILL GRADUALLY CHANGE TO RAIN OVERNIGHT BEFORE ENDING. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER 30S. 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. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ PAZ054-055-111000- /O.CON.KPHI.WW.Y.0003.000000T0000Z-170111T1000Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 1155 PM EST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST WEDNESDAY... * LOCATIONS...MAINLY HIGHER ELEVATIONS IN THE SOUTHERN POCONOS. * HAZARD TYPES...FREEZING RAIN. * ACCUMULATIONS...UP TO A TENTH OF AN INCH OF ICE. * TIMING....FREEZING RAIN WILL GRADUALLY CHANGE TO RAIN OVERNIGHT BEFORE ENDING. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE UPPER 20S TO LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. REPORT SNOW AND ICE ACCUMULATION TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THE LATEST EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
635 WWUS41 KPHI 110817 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 317 AM EST WED JAN 11 2017 PAZ054-055-110930- /O.CAN.KPHI.WW.Y.0003.000000T0000Z-170111T1000Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 317 AM EST WED JAN 11 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. THE PRECIPITATION HAS ENDED ACROSS THE ADVISORY AREA. THEREFORE, THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. HOWEVER, SOME TEMPERATURES REMAIN AT OR NEAR FREEZING AND SOME SURFACES MAY REMAIN SLIPPERY THIS MORNING. $$ NJZ001-007-PAZ060>062-110930- /O.EXP.KPHI.WW.Y.0003.000000T0000Z-170111T0800Z/ SUSSEX-WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON 317 AM EST WED JAN 11 2017 ...WINTER WEATHER ADVISORY HAS EXPIRED... PRECIPITATION HAS ENDED AND TEMPERATURES HAVE RISEN ABOVE THE FREEZING MARKS. HOWEVER, SOME SLIPPERY SPOTS MAY REMAIN THROUGH THIS MORNING, ESPECIALLY ACROSS THE HIGHER ELEVATIONS. $$
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this winter weather advisory went out at Jan 9, 9:15 AM EST, 5 hours 40 minutes earlier.
Area forecast discussion, Jan 9, 9:15 AM EST, 5 hours 40 minutes before
Area Forecast Discussion National Weather Service Mount Holly NJ 915 AM EST Mon Jan 9 2017 .SYNOPSIS... High pressure centered over Virginia and North Carolina early this morning will slide off the coast today and tonight. A couple of warm fronts are forecast to lift through our region, one around Tuesday night and the other on Wednesday night. A cold front approaching from the northwest is expected to arrive on Friday. Strong high pressure is anticipated to build across southeastern Canada and New England over the coming weekend as low pressure slides across the Ohio River Valley and the Middle Atlantic States. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... High pressure builds to our south today and will help control the weather. A short wave/vorticity impulse will slide across the area today while a warm front passes to our north. This disturbance aloft is only expected to bring an increase in mid- level clouds during the day, and no precipitation is expected. Winds will shift from west- northwest during the morning hours, to south-southwest by the afternoon hours. High temperatures were raised slightly outside of snow covered areas given the quick rise this morning. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 AM TUESDAY/... The high to our south weakens as it moves offshore tonight. Generally zonal flow aloft is expected, although a weak vorticity impulse is expected to slide across the area overnight. This is mainly expected to bring some cloud cover to the area overnight after a brief partial clearing during the evening. Dry weather is continued to be expected overnight. && .LONG TERM /TUESDAY THROUGH SUNDAY/... A mid level west southwest flow is expected to become established over our region for the period from Tuesday into Thursday night with a warming trend anticipated. A short wave trough traveling in the mid level flow is forecast to pass over the northeastern states on Wednesday morning with a weaker impulse following on Wednesday night. Both feature are expected to bring precipitation to our region. An initial lobe of mid level warm advection clouds is forecast to lift over our region during the daylight hours on Tuesday. Some light precipitation may accompany it across parts of eastern Pennsylvania and northern New Jersey. The expected temperature profiles suggest that anything that falls on Tuesday morning would be in the form of light snow. Snow amounts should be negligible. However, the warming aloft would cause a transition to rain. Cold air trapped near the surface will likely result in some freezing rain in parts of the Berks County, the far northern suburbs of Philadelphia, the Lehigh Valley, the Poconos and northern New Jersey from Tuesday afternoon into Tuesday evening. Ice accumulations up to a tenth of an inch are expected with perhaps one to two tenths of an inch in the elevated terrain. A southwesterly low level jet is forecast to move overhead from the west on Tuesday. Wind speeds associated with the low level jet are expected to increase to 60+ knots over our region by Tuesday evening with the feature anticipated to slide eastward and off the coast from late Tuesday night into Wednesday morning in advance of the approaching mid level short wave. The presence of the low level jet and the absence of a blocking surface high to our northeast should allow any lingering sub- freezing air to be scoured out of out northern counties on Tuesday night bringing an end to the potential for freezing rain by early Wednesday morning. We will forecast a non-diurnal temperature trend (rising temperatures) for Tuesday night. The precipitation area ahead of the mid level short wave is forecast to pass across eastern Pennsylvania, New Jersey, northeastern Maryland and Delaware on Tuesday night. Rainfall amounts should favor the quarter to half inch range in our region. Some clearing is possible for Wednesday. However, another warm advection push is anticipated for Wednesday night along with the chance of more rain. Temperature profiles will likely be warm enough to support an all liquid event. Amounts should be in the tenth of an inch neighborhood based on the latest guidance. Mild air will likely settle in our region for Thursday into Friday. Highs both days should favor the 50s. Readings may not get out of the 40s in the elevated terrain up north. Some 60 degree readings are possible from around Philadelphia south and southeastward. A cold front approaching from the northwest is forecast to arrive on Friday with a chance for light rain showers. Strong high pressure is expected to build across southeastern Canada and New England for the coming weekend. However, a surface trough is forecast to expand from the Ohio River Valley to the Middle Atlantic States. Moisture is expected to override the cold air mass to our north and we may receive some precipitation, especially centered on Saturday night. The strong high and the low level cold air associated with it may result some ice and snow in parts of eastern Pennsylvania and northern and central New Jersey. && .AVIATION /14Z MONDAY THROUGH FRIDAY/... The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas. VFR conditions will continue across the TAF sites through the period. After a few morning clouds around 4,000-5,000 feet affect western areas and KRDG/KABE, an increase in mid-level clouds is expected everywhere by mid-morning with CIGS around 8,000-10,000 feet. It is possible some lower clouds around 3,000-4,000 feet may creep into the areas just to our west (KMDT-KSEG), but should miss our TAF sites. Winds will be generally less then 10 knots and shift from west-northwest this morning, to south-southwest by this afternoon. OUTLOOK... Tuesday...A chance of light wintry mix of precipitation and MVFR conditions in the late morning and afternoon in the KRDG and KABE vicinity. Mainly VFR with no precipitation at our other six TAF sites. Low level wind shear is possible in the afternoon due to the development of a strong (60+ knot) low level southwesterly jet. Tuesday night...Conditions falling to MVFR and IFR in rain. Some freezing rain remains possible in the KABE vicinity on Tuesday evening. Low level wind shear is possible due to a strong (60+ knot) low level southwesterly jet overhead. Wednesday...Conditions improving to VFR with some clearing. Wednesday night...Conditions falling to MVFR and IFR in rain. Thursday...Conditions improving to VFR. Thursday night...Low clouds and fog may bring conditions back down to MVFR and IFR. Friday...Morning low clouds and fog with conditions improving to VFR in the afternoon. A chance of showers. && .MARINE... The Small Craft Advisory for the Delaware Bay has been cancelled as winds remain below advisory levels. However, the advisory for the ocean remains in place through 6 am. Winds are currently a little higher than guidance indicates it should be, so we'll keep the advisory going for now on the Atlantic Coastal Waters. OUTLOOK... Tuesday morning...No marine headlines are anticipated. Tuesday afternoon through Wednesday morning...Southwest wind gusts of 25 to 30 knots are possible. There is a chance for isolated gale force gusts. Wednesday afternoon through Wednesday night...No marine headlines are anticipated. Thursday through Friday morning...Wave heights on our ocean waters may reach 5 to 6 feet due to a persistent south to southwest fetch. Friday afternoon...No marine headlines are anticipated. && .CLIMATE... Georgetown's record low for January 9th is 2 degrees set in 1970 this record was tied this morning. && .PHI WATCHES/WARNINGS/ADVISORIES... PA...None. NJ...None. DE...None. MD...None. MARINE...None. && Synopsis...Iovino Near Term...CMS/Gaines/Robertson Short Term...Robertson Long Term...Iovino Aviation...Iovino/Robertson Marine...Iovino/Robertson Climate...CMS/Gaines/Iovino
Hazardous weather outlook, Jan 9, 5:05 AM EST, 9 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 505 AM EST MON JAN 9 2017 NJZ001-007>010-PAZ054-055-060>062-101-103-105-101015- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS-LEHIGH- NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- 505 AM EST MON JAN 9 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THERE IS A CHANCE OF LIGHT SNOW DURING THE LATE MORNING AND EARLY AFTERNOON HOURS ON TUESDAY WITH LITTLE OR NO SNOW ACCUMULATION ANTICIPATED. FREEZING RAIN IS POSSIBLE FROM TUESDAY AFTERNOON INTO TUESDAY NIGHT. SOME LOCATIONS MAY RECEIVE UP TO A TENTH OF AN INCH OF ICE. ICE ACCUMULATIONS OF ONE TO TWO TENTHS OF AN INCH ARE POSSIBLE IN THE ELEVATED TERRAIN. THERE IS THE POTENTIAL FOR MORE ICE AND SNOW OVER THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NJZ012-015-PAZ102-104-106-101015- MIDDLESEX-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS- 505 AM EST MON JAN 9 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THERE IS THE POTENTIAL FOR ICE AND SNOW OVER THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ001>004-MDZ008-012-015-019-020-NJZ013-014-016>027-PAZ070-071- 101015- NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA- 505 AM EST MON JAN 9 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-101015- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 505 AM EST MON JAN 9 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ450>455-101015- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 505 AM EST MON JAN 9 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. LOCALIZED GALE FORCE WIND GUSTS FROM THE SOUTHWEST ARE POSSIBLE FROM LATE TUESDAY AFTERNOON INTO TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 9:26 PM EST | Small Craft Advisory | PHI | 9 hr | |
| Jan 9, 3:21 PM EST | Small Craft Advisory | PHI | 4 days |
Nearby
Winter Weather Advisories in Pennsylvania, 2017Winter Weather Advisories in New Jersey, 2017Every winter weather advisory in 2017
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.