Alert archive / Pennsylvania / Winter Storm Watches in 2015
Winter Storm Watch 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm watch at Feb 20, 2015, 3:30 PM EST for 10 counties in Pennsylvania; 6 counties in New Jersey. It took effect at Feb 21, 2015, 12:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 20, 2015, 3:30 PM EST (20:30 UTC)
- In effect from
- Feb 21, 2015, 12:00 PM EST
- Expired
- Feb 21, 2015, 4:37 AM EST
- In force
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 93 km from the middle of the area, began a volume at 20:36 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, 8.5 hours before the alert went out and 200 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
- 1076 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
188 WWUS41 KPHI 202030 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 PM EST FRI FEB 20 2015 ...A QUICK MOVING WINTER STORM TO AFFECT THE AREA SATURDAY INTO SUNDAY... NJZ001-PAZ054-055-211000- /O.CAN.KPHI.WC.Y.0009.000000T0000Z-150221T1200Z/ /O.NEW.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 330 PM EST FRI FEB 20 2015 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH, WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT. THE WIND CHILL ADVISORY HAS BEEN CANCELLED. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...5 TO 7 INCHES POSSIBLE. * ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH POSSIBLE. * TIMING...SNOW SHOULD OVERSPREAD THE AREA BY MIDDAY FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY AT TIMES. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS..HAZARDOUS TRAVEL POSSIBLE SATURDAY AFTERNOON INTO SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE LOWER TO MID 20S SATURDAY, THEN RISING TO NEAR FREEZING SATURDAY NIGHT INTO SUNDAY. 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. && $$ DEZ001-MDZ008-012-NJZ012>014-016>020-026-027-211000- /O.NEW.KPHI.WW.Y.0015.150221T1700Z-150222T0600Z/ NEW CASTLE-CECIL-KENT MD-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... LONG BEACH ISLAND...WHARTON STATE FOREST 330 PM EST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY, WHICH IS IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY. * HAZARD TYPES...SNOW, CHANGING TO SOME SLEET AND FREEZING RAIN THEN TO RAIN. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * ICE ACCUMULATIONS...LESS THAN A TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA EARLY SATURDAY AFTERNOON FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY FOR A TIME. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN THEN CHANGE TO RAIN SATURDAY NIGHT BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS..HAZARDOUS TRAVEL SATURDAY AFTERNOON INTO EARLY SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE UPPER 20S SATURDAY AFTERNOON, THEN RISING THROUGH THE 30S SATURDAY NIGHT INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW, SLEET OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. && $$ DEZ002-MDZ015-019-020-NJZ021>023-211000- /O.NEW.KPHI.WW.Y.0015.150221T1700Z-150222T0300Z/ KENT-QUEEN ANNES-TALBOT-CAROLINE-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...CENTREVILLE...EASTON...DENTON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 330 PM EST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TO 10 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY, WHICH IS IN EFFECT FROM NOON TO 10 PM EST SATURDAY. * HAZARD TYPES...SNOW CHANGING TO SOME SLEET OR FREEZING RAIN THEN TO RAIN. * SNOW ACCUMULATIONS...1 TO 2 INCHES. * ICE ACCUMULATIONS...A LIGHT GLAZE. * TIMING...SNOW WILL OVERSPREAD THE AREA EARLY SATURDAY AFTERNOON FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY FOR A BRIEF TIME. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN THEN CHANGE TO RAIN SATURDAY EVENING BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS..HAZARDOUS TRAVEL SATURDAY AFTERNOON INTO EARLY SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING TO NEAR 30 SATURDAY AFTERNOON, THEN RISING THROUGH THE 30S SATURDAY NIGHT INTO SUNDAY. 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. && $$ NJZ007-PAZ060>062-211000- /O.NEW.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ WARREN-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...READING...ALLENTOWN... BETHLEHEM...EASTON 330 PM EST FRI FEB 20 2015 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH, WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 7 INCHES POSSIBLE. * ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH POSSIBLE. * TIMING...SNOW SHOULD OVERSPREAD THE AREA BY MIDDAY FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY AT TIMES. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS..HAZARDOUS TRAVEL POSSIBLE SATURDAY AFTERNOON INTO SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE LOWER TO MID 20S SATURDAY, THEN RISING TO AROUND FREEZING SATURDAY NIGHT INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW, SLEET OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NJZ008>010-015-PAZ070-071-101>106-211000- /O.NEW.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ MORRIS-HUNTERDON-SOMERSET-MERCER-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... TRENTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD... WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN... NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE... DOYLESTOWN 330 PM EST FRI FEB 20 2015 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH, WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 6 INCHES POSSIBLE. * ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH POSSIBLE. * TIMING...SNOW SHOULD OVERSPREAD THE AREA BY MIDDAY FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY AT TIMES. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN SATURDAY EVENING THEN CHANGE TO SOME RAIN BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS..HAZARDOUS TRAVEL POSSIBLE SATURDAY AFTERNOON INTO SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE MID TO UPPER 20S SATURDAY, THEN RISING INTO THE LOWER TO MID 30S SATURDAY NIGHT INTO SUNDAY. 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. && $$ GORSE
2 follow-up statements
126 WWUS41 KPHI 210216 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 916 PM EST FRI FEB 20 2015 ...A QUICK MOVING WINTER STORM TO AFFECT THE AREA SATURDAY INTO SUNDAY... DEZ001-MDZ008-012-NJZ012>014-016>020-026-027-211230- /O.CON.KPHI.WW.Y.0015.150221T1700Z-150222T0600Z/ NEW CASTLE-CECIL-KENT MD-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... LONG BEACH ISLAND...WHARTON STATE FOREST 916 PM EST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY... * HAZARD TYPES...SNOW, CHANGING TO SOME SLEET AND FREEZING RAIN THEN TO RAIN. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * ICE ACCUMULATIONS...LESS THAN A TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA EARLY SATURDAY AFTERNOON FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY FOR A TIME. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN THEN CHANGE TO RAIN SATURDAY NIGHT BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS...HAZARDOUS TRAVEL SATURDAY AFTERNOON INTO EARLY SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE UPPER 20S SATURDAY AFTERNOON, THEN GRADUALLY RISING THROUGH THE 30S SATURDAY NIGHT INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW, SLEET OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING. && $$ DEZ002-MDZ015-019-020-NJZ021>023-211230- /O.CON.KPHI.WW.Y.0015.150221T1700Z-150222T0300Z/ KENT-QUEEN ANNES-TALBOT-CAROLINE-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...CENTREVILLE...EASTON...DENTON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 916 PM EST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TO 10 PM EST SATURDAY... * HAZARD TYPES...SNOW CHANGING TO SOME SLEET OR FREEZING RAIN THEN TO RAIN. * SNOW ACCUMULATIONS...1 TO 2 INCHES. * ICE ACCUMULATIONS...A LIGHT GLAZE. * TIMING...SNOW WILL OVERSPREAD THE AREA EARLY SATURDAY AFTERNOON FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY FOR A BRIEF TIME. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN BRIEFLY THEN CHANGE TO RAIN SATURDAY EVENING BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS...HAZARDOUS TRAVEL SATURDAY AFTERNOON INTO EARLY SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING TO NEAR 30 SATURDAY AFTERNOON, THEN RISING THROUGH THE 30S SATURDAY NIGHT INTO SUNDAY. 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. && $$ NJZ001-007-PAZ054-055-060>062-211230- /O.CON.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ SUSSEX-WARREN-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...EASTON 916 PM EST FRI FEB 20 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 7 INCHES POSSIBLE. * ICE ACCUMULATIONS...AROUND A TENTH OF AN INCH POSSIBLE. * TIMING...SNOW SHOULD OVERSPREAD THE AREA BY MIDDAY FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY AT TIMES. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS...HAZARDOUS TRAVEL POSSIBLE SATURDAY AFTERNOON INTO SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE LOWER TO MID 20S SATURDAY, THEN RISING TO AROUND FREEZING LATER SATURDAY NIGHT INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW, SLEET OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NJZ008>010-015-PAZ070-071-101>106-211230- /O.CON.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ MORRIS-HUNTERDON-SOMERSET-MERCER-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... TRENTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD... WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN... NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE... DOYLESTOWN 916 PM EST FRI FEB 20 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 6 INCHES POSSIBLE, WITH THE HIGHEST AMOUNTS LOOKING TO BE TO THE NORTH AND WEST OF PHILADELPHIA. * ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH POSSIBLE. * TIMING...SNOW SHOULD OVERSPREAD THE AREA BY MIDDAY FROM SOUTHWEST TO NORTHEAST, AND IT COULD BECOME HEAVY AT TIMES. AS SOME WARMER AIR MOVES IN, THE SNOW SHOULD MIX WITH SLEET AND FREEZING RAIN SATURDAY EVENING THEN CHANGE TO SOME RAIN BEFORE TAPERING OFF DURING SUNDAY. * IMPACTS...HAZARDOUS TRAVEL POSSIBLE SATURDAY AFTERNOON INTO SUNDAY. * VISIBILITIES...AS LOW AS ONE QUARTER MILE AT TIMES. * TEMPERATURES...RISING INTO THE MID TO UPPER 20S SATURDAY, THEN GRADUALLY RISING INTO THE LOWER TO MID 30S SATURDAY NIGHT INTO SUNDAY. 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. && $$ GORSE
657 WWUS41 KPHI 210937 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 437 AM EST SAT FEB 21 2015 ...A BURST OF HEAVY SNOW IS EXPECTED OVER PORTIONS OF THE NORTHERN MID ATLANTIC THIS AFTERNOON AND EVENING... MDZ008-211745- /O.UPG.KPHI.WW.Y.0015.150221T1700Z-150222T0600Z/ /O.NEW.KPHI.WS.W.0005.150221T1700Z-150222T1100Z/ CECIL- INCLUDING THE CITY OF...ELKTON 437 AM EST SAT FEB 21 2015 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * LOCATIONS...NORTHEAST MARYLAND. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 6 INCHES. * ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA EARLY THIS AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY THROUGH THE REMAINDER OF THE AFTERNOON WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. WARMER AIR WILL MOVE IN, ALLOWING THE SNOW TO MIX WITH SLEET AND FREEZING RAIN IN THE EVENING BEFORE CHANGING TO RAIN LATER IN THE EVENING AND OVERNIGHT. * IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED AND TRAVEL WILL BE VERY HAZARDOUS ESPECIALLY IN THE AFTERNOON AND EVENING. POOR VISIBILITIES AROUND ONE-QUARTER MILE ARE POSSIBLE AT TIMES. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...MID 20S EARLY THIS AFTERNOON, THEN GRADUALLY RISING INTO THE MID 30S LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ NJZ007-009-PAZ060>062-101>103-105-211745- /O.UPG.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ /O.NEW.KPHI.WS.W.0005.150221T1700Z-150222T1100Z/ WARREN-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER- EASTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...WASHINGTON...FLEMINGTON...READING... ALLENTOWN...BETHLEHEM...EASTON...HONEY BROOK...OXFORD... WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN... CHALFONT...PERKASIE 437 AM EST SAT FEB 21 2015 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...PORTIONS OF EASTERN PENNSYLVANIA AND NORTHWEST NEW JERSEY. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 7 INCHES. * ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA FROM SOUTHWEST TO NORTHEAST BETWEEN DURING THE EARLY AND MID AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE AT TIMES THIS AFTERNOON AND EVENING. WARMER AIR WILL MOVE IN, ALLOWING THE SNOW TO MIX WITH SLEET AND FREEZING RAIN FROM SOUTHEAST TO NORTHWEST LATE THIS EVENING. PRECIPITATION MAY EVENTUALLY CHANGE TO RAIN, ESPECIALLY SOUTH OF I-80 OVERNIGHT BEFORE ENDING EARLY SUNDAY MORNING. * IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED AND TRAVEL WILL BE VERY HAZARDOUS ESPECIALLY IN THE AFTERNOON AND EVENING. POOR VISIBILITIES AROUND ONE-QUARTER MILE ARE POSSIBLE AT TIMES. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...LOW 20S EARLY THIS AFTERNOON, THEN GRADUALLY RISING TO NEAR FREEZING OR JUST ABOVE FREEZING LATE TONIGHT AND SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ NJZ001-008-PAZ054-055-211745- /O.UPG.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ /O.EXB.KPHI.WW.Y.0015.150221T1700Z-150222T1100Z/ SUSSEX-MORRIS-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...JIM THORPE... STROUDSBURG 437 AM EST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...THE POCONOS AND PORTIONS OF NORTHWEST NEW JERSEY. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...4 TO 6 INCHES. * ICE ACCUMULATIONS...LESS THAN ONE-TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA FROM SOUTHWEST TO NORTHEAST DURING THE EARLY AND MID AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY WITH SNOWFALL RATES UP TO 1 INCH PER HOUR POSSIBLE AT TIMES LATE THIS AFTERNOON AND EVENING. WARMER AIR WILL MOVE IN, ALLOWING THE SNOW TO MIX WITH SLEET AND FREEZING RAIN IN SOME SPOTS LATE TONIGHT. THE WINTRY MIX ENDS EARLY SUNDAY MORNING. * IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED AND TRAVEL WILL BE HAZARDOUS ESPECIALLY IN THE LATE AFTERNOON AND EVENING. POOR VISIBILITIES UNDER ONE-HALF MILE ARE POSSIBLE AT TIMES. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...LOW 20S THIS AFTERNOON, THEN GRADUALLY RISING TO THE UPPER 20S LATE TONIGHT AND SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ NJZ010-015-PAZ070-071-104-106-211745- /O.UPG.KPHI.WS.A.0005.150221T1700Z-150222T1100Z/ /O.EXA.KPHI.WW.Y.0015.150221T1700Z-150222T0600Z/ SOMERSET-MERCER-DELAWARE-PHILADELPHIA-EASTERN MONTGOMERY- LOWER BUCKS- INCLUDING THE CITIES OF...SOMERVILLE...TRENTON...MEDIA... PHILADELPHIA...NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN 437 AM EST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 1 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 1 AM EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...INTERSTATE-95 CORRIDOR IN SOUTHEAST PENNSYLVANIA AND CENTRAL NEW JERSEY. * HAZARD TYPES...SNOW, WITH SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...2 TO 5 INCHES. * ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA DURING THE EARLY AND MID AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES THIS AFTERNOON WITH SNOWFALL RATES OF 1 INCH PER HOUR POSSIBLE. WARMER AIR WILL MOVE IN, ALLOWING THE SNOW TO MIX WITH SLEET AND FREEZING RAIN IN THE EARLY EVENING BEFORE CHANGING TO RAIN LATE IN THE EVENING AND OVERNIGHT. * IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED AND TRAVEL WILL BE HAZARDOUS ESPECIALLY IN THE AFTERNOON AND EVENING. POOR VISIBILITIES UNDER ONE-HALF MILE ARE POSSIBLE AT TIMES. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...MID 20S EARLY THIS AFTERNOON, THEN GRADUALLY RISING INTO THE MID 30S DURING THE EVENING. 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. && $$ DEZ001-MDZ012-NJZ012>014-016>020-026-027-211745- /O.CON.KPHI.WW.Y.0015.150221T1700Z-150222T0600Z/ NEW CASTLE-KENT MD-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN- COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...CHESTERTOWN... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON... LONG BEACH ISLAND...WHARTON STATE FOREST 437 AM EST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 1 AM EST SUNDAY... * HAZARD TYPES...SNOW, BRIEFLY CHANGING TO SOME SLEET AND FREEZING RAIN. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * ICE ACCUMULATIONS...LESS THAN ONE-TENTH INCH. * TIMING...SNOW WILL OVERSPREAD THE AREA DURING THE EARLY AND MID AFTERNOON. THE SNOW MAY BECOME HEAVY AT TIMES THIS AFTERNOON WITH SNOWFALL RATES OF 1 INCH PER HOUR POSSIBLE IN SOME SPOTS. WARMER AIR WILL MOVE IN, ALLOWING THE SNOW TO BRIEFLY MIX WITH SLEET AND FREEZING RAIN IN THE EARLY EVENING BEFORE QUICKLY CHANGING OVER TO RAIN. * IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED AND TRAVEL WILL BE HAZARDOUS ESPECIALLY IN THE AFTERNOON AND EARLY EVENING. POOR VISIBILITIES UNDER ONE-HALF MILE ARE POSSIBLE AT TIMES. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...MID TO UPPER 20S THIS AFTERNOON, THEN GRADUALLY RISING INTO THE MID AND UPPER 30S THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW... SLEET OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES... AND USE CAUTION WHILE DRIVING. && $$ DEZ002-MDZ015-019-020-NJZ021>023-211745- /O.CON.KPHI.WW.Y.0015.150221T1700Z-150222T0300Z/ KENT-QUEEN ANNES-TALBOT-CAROLINE-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...CENTREVILLE...EASTON...DENTON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 437 AM EST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM EST THIS EVENING... * HAZARD TYPES...SNOW, CHANGING TO SOME SLEET AND FREEZING RAIN THEN TO RAIN. * SNOW ACCUMULATIONS...AROUND AN INCH. * ICE ACCUMULATIONS...A LIGHT GLAZE. * TIMING...SNOW WILL OVERSPREAD THE AREA DURING THE EARLY AND MID AFTERNOON. WARMER AIR WILL QUICKLY MOVE IN, ALLOWING THE SNOW TO BRIEFLY MIX WITH SLEET AND FREEZING RAIN BY LATE AFTERNOON BEFORE QUICKLY CHANGING OVER TO RAIN IN THE EVENING. * IMPACTS...ROADS MAY BECOME SNOW COVERED AND TRAVEL WILL BE HAZARDOUS ESPECIALLY IN THE AFTERNOON. * WINDS...SOUTH 5 TO 10 MPH. * TEMPERATURES...UPPER 20S EARLY THIS AFTERNOON, THEN GRADUALLY RISING INTO THE UPPER 30S THIS EVENING. 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. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 3:30 PM EST | Winter Weather Advisory | PHI | Bucks, Carbon, Delaware, Monroe, Montgomery, Philadelphia | 39 hr |
| Feb 20, 10:08 AM EST | Small Craft Advisory | PHI | 9 hr | |
| Feb 20, 10:08 AM EST | Heavy Freezing Spray Advisory | PHI | 9 hr |
Nearby
Winter Storm Watches in Pennsylvania, 2015Winter Storm Watches in New Jersey, 2015Every winter storm watch in 2015
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.