Alert archive / Pennsylvania / Winter Weather Advisories in 2013
Winter Weather Advisory 21, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter weather advisory at Dec 6, 2013, 9:17 AM EST for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It took effect at Dec 6, 2013, 4:00 PM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 6, 2013, 9:17 AM EST (14:17 UTC)
- In effect from
- Dec 6, 2013, 4:00 PM EST
- Expired
- Dec 7, 2013, 3:32 AM EST
- In force
- 12 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 14:17 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, 2.3 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
- 454 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 201 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 061417 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 917 AM EST FRI DEC 6 2013 PAZ054-055-062230- /O.NEW.KPHI.WW.Y.0021.131206T2100Z-131207T1200Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 917 AM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR A WINTRY MIX LIKELY INCLUDING A PROLONGED PERIOD OF SLEET...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST SATURDAY. * LOCATIONS...THE SOUTHERN POCONOS. * HAZARD TYPES...SLEET...SOME FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW AND SLEET ACCUMULATIONS OF AN INCH OR TWO...ALONG WITH UP TO A TENTH OF AN INCH OF ICE. * TIMING...SLEET SHOULD START THIS AFTERNOON AND BECOME MORE OF A PREDOMINANT PRECIPITATION TYPE THIS EVENING. SOME FREEZING RAIN IS POSSIBLE STARTING EARLY THIS EVENING AND PRECIPITATION MAY END AS SNOW. * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...FALLING INTO THE LOWER 30S AND THEN INTO THE 20S 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. && $$ NJZ001-062230- /O.NEW.KPHI.WW.Y.0021.131207T0000Z-131207T1200Z/ SUSSEX- INCLUDING THE CITY OF...NEWTON 917 AM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST SATURDAY. * LOCATIONS...SUSSEX COUNTY NEW JERSEY. * HAZARD TYPES...SLEET...SOME FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW AND SLEET ACCUMULATIONS OF UP TO AN INCH... ALONG WITH LESS THAN A TENTH OF AN INCH OF ICE. * TIMING...SLEET SHOULD START THIS EVENING AND BECOME MORE OF A PREDOMINANT PRECIPITATION TYPE AS THE EVENING PROGRESSES. SOME FREEZING RAIN IS POSSIBLE LATER THIS EVENING AND PRECIPITATION MAY END AS SNOW. * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...FALLING INTO THE LOWER 30S AND THEN INTO THE 20S TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
3 follow-up statements
000 WWUS41 KPHI 062024 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 324 PM EST FRI DEC 6 2013 PAZ054-055-070500- /O.CON.KPHI.WW.Y.0021.131206T2100Z-131207T1200Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 324 PM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY... * LOCATIONS...THE SOUTHERN POCONOS. * HAZARD TYPES...SLEET...SOME FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW AND SLEET ACCUMULATION OF 1 TO 3 INCHES...ALONG WITH ONE TENTH OR TWO TENTHS OF AN INCH OF ICE. * TIMING...SLEET SHOULD START MIXING IN EARLY THIS EVENING AND BECOME MORE OF A PREDOMINANT PRECIPITATION TYPE THIS EVENING. SOME FREEZING RAIN IS POSSIBLE STARTING EARLY THIS EVENING. THE PRECIPITATION WILL TRANSITION TO SNOW LATER THIS EVENING AND OVERNIGHT. * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...WILL FALL BELOW FREEZING THIS EVENING AND DROP TO THE MID TO UPPER 20S BY MORNING. 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. && $$ NJZ001-070500- /O.CON.KPHI.WW.Y.0021.131207T0000Z-131207T1200Z/ SUSSEX- INCLUDING THE CITY OF...NEWTON 324 PM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST SATURDAY... * LOCATIONS...SUSSEX COUNTY NEW JERSEY. * HAZARD TYPES...SLEET...SOME FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO 1 TO 2 INCHES...ALONG WITH AS MUCH AS A TENTH OF AN INCH OF ICE. * TIMING...SLEET SHOULD START THIS EVENING AND BECOME MORE OF A PREDOMINANT PRECIPITATION TYPE AS THE EVENING PROGRESSES. SOME FREEZING RAIN IS POSSIBLE LATER THIS EVENING AND PRECIPITATION SHOULD END AS SNOW, ESPECIALLY IN THE HIGHER TERRAIN * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...FALLING THROUGH THE 30S THIS EVENING AND WILL BE IN THE LOWER 30S BY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS41 KPHI 070200 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 900 PM EST FRI DEC 6 2013 PAZ054-055-071000- /O.CON.KPHI.WW.Y.0021.000000T0000Z-131207T1200Z/ CARBON-MONROE- INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG 900 PM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY... * LOCATIONS...THE SOUTHERN POCONOS. * HAZARD TYPES...SLEET...FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW AND SLEET ACCUMULATION OF 1 TO 3 INCHES...ALONG WITH ONE OR TWO TENTHS OF ICE. * TIMING...SLEET AND FREEZING RAIN WILL BE THE PREDOMINANT PRECIPITATION TYPE THROUGH ABOUT MIDNIGHT. THE PRECIPITATION WILL THEN TRANSITION TO SNOW. * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...WILL DROP INTO THE MID TO UPPER 20S 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. && $$ NJZ001-071000- /O.CON.KPHI.WW.Y.0021.000000T0000Z-131207T1200Z/ SUSSEX- INCLUDING THE CITY OF...NEWTON 900 PM EST FRI DEC 6 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY... * LOCATIONS...SUSSEX COUNTY NEW JERSEY. * HAZARD TYPES...SLEET...FREEZING RAIN AND SNOW. * ACCUMULATIONS...SNOW AND SLEET ACCUMULATION OF 1 TO 2 INCHES...ALONG WITH A TENTH OF ICE OF ICE. * TIMING...SLEET WILL START THIS EVENING AND BECOME MORE OF THE PREDOMINANT PRECIPITATION TYPE AS THE EVENING PROGRESSES. SOME FREEZING RAIN IS POSSIBLE. THE PRECIPITATION WILL END AS SNOW...ESPECIALLY IN THE HIGHER TERRAIN. * IMPACTS...SLEET IS ALWAYS MORE DIFFICULT TO MELT ON UNTREATED ROADWAYS THAN SNOW. ANY FREEZING RAIN IN HIGHER TERRAIN LOCATIONS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED BRIDGES AND OVERPASSES. * TEMPERATURES...OVERNIGHT LOWS WILL BE IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS41 KPHI 070832 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 332 AM EST SAT DEC 7 2013 NJZ001-PAZ054-055-070945- /O.CAN.KPHI.WW.Y.0021.000000T0000Z-131207T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 332 AM EST SAT DEC 7 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. PRECIPITATION HAS ENDED ACROSS THE ADVISORY AREA AND NO ADDITIONAL ACCUMULATION OF SNOW OR ICE IS ANTICIPATED. HOWEVER, ROADWAYS AND SIDEWALKS COULD BE SLIPPERY THIS MORNING, SO PLEASE BE CAREFUL IF VENTURING OUT. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 8:37 PM EST | Dense Fog Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 6 more | 7 hr |
| Dec 6, 3:18 PM EST | Small Craft Advisory | PHI | 20 hr |
Nearby
Winter Weather Advisories in Pennsylvania, 2013Winter Weather Advisories in New Jersey, 2013Every winter weather advisory in 2013
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.