Alert archive / Pennsylvania / Freezing Rain Advisories in 2016
Freezing Rain Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freezing rain advisory at Dec 23, 2016, 3:15 PM EST for 6 counties in Pennsylvania; 5 counties in New Jersey. It took effect at Dec 24, 2016, 1:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2016, 3:15 PM EST (20:15 UTC)
- In effect from
- Dec 24, 2016, 1:00 AM EST
- Expired
- Dec 24, 2016, 9:32 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, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 108 km from the middle of the area, began a volume at 20:13 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, 8.3 hours before the alert went out and 194 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
- 1080 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
306 WWUS41 KPHI 232015 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 315 PM EST FRI DEC 23 2016 PAZ054-055-241100- /O.NEW.KPHI.ZR.Y.0004.161224T0600Z-161224T1600Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 315 PM EST FRI DEC 23 2016 ...FREEZING RAIN ADVISORY IN EFFECT FROM 1 AM TO 11 AM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 11 AM EST SATURDAY. * LOCATIONS...THE POCONO IN NORTHEAST PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...LESS THAN ONE TENTH OF AN INCH. * TIMING...LIGHT FREEZING RAIN MAY BEGIN AS EARLY AS 1 OR 2 AM, BECOMING HEAVIER BY 6 OR 7 AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 11 AM. * IMPACTS...ICE ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...FALLING TO AROUND OR JUST BELOW FREEZING THIS EVENING AND OVERNIGHT. TEMPERATURES EXPECTED TO RISE ABOVE FREEZING EVERYWHERE BY 11 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ NJZ001-007>010-PAZ060>062-105-241100- /O.NEW.KPHI.ZR.Y.0004.161224T0600Z-161224T1400Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- UPPER BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...READING...ALLENTOWN...BETHLEHEM... EASTON...CHALFONT...PERKASIE 315 PM EST FRI DEC 23 2016 ...FREEZING RAIN ADVISORY IN EFFECT FROM 1 AM TO 9 AM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM EST SATURDAY. * LOCATIONS...NORTHWEST NEW JERSEY AND PORTIONS OF EASTERN PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...LESS THAN ONE TENTH OF AN INCH. * TIMING...LIGHT FREEZING RAIN MAY BEGIN AS EARLY AS 1 OR 2 AM, BECOMING HEAVIER BY 6 OR 7 AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 9 AM. * IMPACTS...ICE ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...FALLING TO AROUND OR JUST BELOW FREEZING LATE THIS EVENING AND OVERNIGHT. TEMPERATURES EXPECTED TO RISE ABOVE FREEZING EVERYWHERE BY 9 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. && $$
3 follow-up statements
678 WWUS41 KPHI 240224 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 924 PM EST FRI DEC 23 2016 PAZ054-055-241430- /O.CON.KPHI.ZR.Y.0004.161224T0600Z-161224T1600Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 924 PM EST FRI DEC 23 2016 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 1 AM TO 11 AM EST SATURDAY... * LOCATIONS...THE SOUTHERN POCONOS IN NORTHEAST PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...AROUND A TRACE. * TIMING...LIGHT FREEZING RAIN MAY BEGIN AS EARLY AS 1 OR 2 AM... BECOMING HEAVIER BY 6 OR 7 AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 11 AM. * IMPACTS...ICE ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...REMAINING AT OR JUST BELOW FREEZING THROUGH THE OVERNIGHT HOURS...SLOWLY INCREASING ABOVE FREEZING BY LATE SATURDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ NJZ001-007>010-PAZ060>062-105-241400- /O.CON.KPHI.ZR.Y.0004.161224T0600Z-161224T1400Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- UPPER BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...READING...ALLENTOWN...BETHLEHEM... EASTON...CHALFONT...PERKASIE 924 PM EST FRI DEC 23 2016 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EST SATURDAY... * LOCATIONS...NORTHWEST NEW JERSEY AND PORTIONS OF EASTERN PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...AROUND A TRACE. * TIMING...LIGHT FREEZING RAIN MAY BEGIN AS EARLY AS 1 OR 2 AM... BECOMING HEAVIER BY 6 OR 7 AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 9 AM. * IMPACTS...ICE ACCUMULATIONS MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...NEAR OR JUST BELOW FREEZING THROUGH THE OVERNIGHT HOURS...SLOWLY INCREASING ABOVE FREEZING AFTER SUNRISE SATURDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. && $$
932 WWUS41 KPHI 240835 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 335 AM EST SAT DEC 24 2016 NJZ007>010-PAZ060>062-105-240945- /O.CAN.KPHI.ZR.Y.0004.000000T0000Z-161224T1400Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-BERKS-LEHIGH-NORTHAMPTON- UPPER BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...READING...ALLENTOWN...BETHLEHEM...EASTON... CHALFONT...PERKASIE 335 AM EST SAT DEC 24 2016 ...FREEZING RAIN ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FREEZING RAIN ADVISORY. TEMPERATURES IN MANY SPOTS REMAIN IN THE MID AND UPPER 30'S AND ARE NOT EXPECTED TO DROP TO FREEZING IN MOST LOCATIONS. AS A RESULT, ONLY RAIN IS EXPECTED. LOCALIZED AREAS COULD STILL FALL TO FREEZING WHICH MAY RESULT IN A SLICK SPOT OR TWO IF VERY PATCHY FREEZING RAIN DOES OCCUR. $$ PAZ054-055-241600- /O.CON.KPHI.ZR.Y.0004.000000T0000Z-161224T1600Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 335 AM EST SAT DEC 24 2016 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * LOCATIONS...THE SOUTHERN POCONOS IN NORTHEAST PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...LESS THAN 1/20TH OF AN INCH. * TIMING...LIGHT FREEZING RAIN MAY BEGIN BY 7AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 11 AM. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOW AND MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. && $$ NJZ001-241400- /O.CON.KPHI.ZR.Y.0004.000000T0000Z-161224T1400Z/ SUSSEX- INCLUDING THE CITY OF...NEWTON 335 AM EST SAT DEC 24 2016 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * LOCATIONS...NORTHWEST NEW JERSEY AND PORTIONS OF EASTERN PENNSYLVANIA. * HAZARD TYPES...FREEZING RAIN. * ICE ACCUMULATIONS...LESS THAN 1/20TH OF AN INCH. * TIMING...LIGHT FREEZING RAIN MAY BEGIN AROUND 7 AM. PRECIPITATION SHOULD CHANGE TO PLAIN RAIN EVERYWHERE BY 9 AM. * IMPACTS...ICING MAY CREATE SLIPPERY ROAD CONDITIONS. * TEMPERATURES...IN THE LOWER AND MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
351 WWUS41 KPHI 241432 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 932 AM EST SAT DEC 24 2016 PAZ054-055-241545- /O.CAN.KPHI.ZR.Y.0004.000000T0000Z-161224T1600Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 932 AM EST SAT DEC 24 2016 ...FREEZING RAIN ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FREEZING RAIN ADVISORY. TEMPERATURES WERE RISING ABOVE FREEZING AND PRECIPITATION WAS ENDING THEREFORE THE FREEZING RAIN ADVISORY HAS BEEN CANCELED. THERE STILL COULD BE SOME SLICK SPOTS FOR A FEW HOURS, SO BE CAREFUL IF DRIVING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 3:54 PM EST | Small Craft Advisory | PHI | 29 hr |
Nearby
Freezing Rain Advisories in Pennsylvania, 2016Freezing Rain Advisories in New Jersey, 2016Every freezing rain advisory in 2016
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.