Alert archive / Pennsylvania / Winter Storm Warnings in 2013
Winter Storm Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm warning at Mar 5, 2013, 3:27 PM EST for Chester County, Pennsylvania; Cecil County, Maryland. It took effect at Mar 6, 2013, 4:00 AM EST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 5, 2013, 3:27 PM EST (20:27 UTC)
- In effect from
- Mar 6, 2013, 4:00 AM EST
- Expired
- Mar 6, 2013, 4:28 PM EST
- In force
- 12 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Cecil County, MD, Chester County, PA
The radar
The Dover AFB radar (KDOX), 110 km from the middle of the area, began a volume at 20:25 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, 8.5 hours before the alert went out and 39 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
- 1075 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
155 WWUS41 KPHI 052027 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 327 PM EST TUE MAR 5 2013 MDZ008-PAZ101-102-060430- /O.UPG.KPHI.WS.A.0004.130306T0900Z-130306T2300Z/ /O.NEW.KPHI.WS.W.0004.130306T0900Z-130307T0800Z/ CECIL-WESTERN CHESTER-EASTERN CHESTER- INCLUDING THE CITIES OF...ELKTON...HONEY BROOK...OXFORD... WEST CHESTER...KENNET SQUARE 327 PM EST TUE MAR 5 2013 ...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 3 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WARNING FOR HEAVY WET SNOW...WHICH IS IN EFFECT FROM 4 AM WEDNESDAY TO 3 AM EST THURSDAY. * LOCATIONS...CHESTER COUNTY PENNSYLVANIA AND CECIL COUNTY MARYLAND. * HAZARD TYPES...SNOW. * SNOW ACCUMULATIONS...4 TO 7 INCHES. * TIMING...MIXED PRECIPITATION WILL PROBABLY BEGIN BETWEEN 2 AM AND 6 AM WEDNESDAY AND CONTINUE THROUGH THE DAY AND EVENING AS MOSTLY SNOW. THE SNOW MAY BE HEAVY AT TIMES. TEMPERATURES ABOVE FREEZING WILL ASSIST WITH SOME MELTING ON TREATED SURFACES. NEVERTHELESS...SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THIS AREA DURING THE DAY AND BECOME MORE WIDESPREAD AT NIGHT. * IMPACTS...EXPECT DIFFICULT TRAVELING CONDITIONS, ESPECIALLY ON LESS TRAVELED ROADWAYS, BRIDGES AND OVERPASSES. ENOUGH WET SNOW SHOULD ACCUMULATE TO CAUSE POWER OUTAGES. BE PREPARED FOR SOME POWER OUTAGES. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES. * TEMPERATURES...MAINLY IN THE MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ PAZ060-061-103-105-060430- /O.NEW.KPHI.WW.Y.0014.130306T1200Z-130307T0800Z/ BERKS-LEHIGH-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...READING...ALLENTOWN...COLLEGEVILLE... POTTSTOWN...CHALFONT...PERKASIE 327 PM EST TUE MAR 5 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 3 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW WHICH IS IN EFFECT FROM 7 AM WEDNESDAY TO 3 AM EST THURSDAY. * LOCATIONS...THE FAR NORTHWEST PHILADELPHIA SUBURBS...BERKS COUNTY AND THE WESTERN LEHIGH VALLEY. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES. * TIMING...SNOW SHOULD OVERSPREAD THE REGION LATE TONIGHT AND START IN ALL AREAS BY THE END OF THE MORNING COMMUTE ON WEDNESDAY. THE SNOW SHOULD START TAPERING OFF WEDNESDAY EVENING AND END WEDNESDAY NIGHT. * IMPACTS...EXPECT SLUSHY TRAVELING CONDITIONS WITH THE WEDNESDAY EVENING COMMUTE. GREATER IMPACTS ON SMALLER ROADWAYS. SNOW COULD ARRIVE IN TIME TO IMPACT THE WEDNESDAY MORNING COMMUTE TOO. ISOLATED POWER OUTAGES ARE POSSIBLE. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * TEMPERATURES...MAINLY IN THE LOWER TO MID 30S. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ NJZ017>020-022-025>027-PAZ071-104-106-060430- /O.EXB.KPHI.WS.A.0004.130306T2100Z-130307T1100Z/ GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-ATLANTIC- COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- PHILADELPHIA-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL... MOORESTOWN...MOUNT HOLLY...JACKSON...HAMMONTON...ATLANTIC CITY... LONG BEACH ISLAND...WHARTON STATE FOREST...PHILADELPHIA... NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN 327 PM EST TUE MAR 5 2013 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * LOCATIONS...MOST OF SOUTHERN NEW JERSEY...PHILADELPHIA AND ITS NEARBY PENNSYLVANIA SUBURBS. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES. * TIMING...MIXED PRECIPITATION WILL PROBABLY BEGIN BETWEEN BEFORE DAWN ON WEDNESDAY AND CONTINUE THROUGH THE DAY. THE SNOW WILL MIX WITH AND CHANGE TO RAIN AT TIMES DURING THE DAY...BEFORE CHANGING BACK TO ALL SNOW TOWARD EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES. NEVERTHELESS...SOME SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THIS AREA DURING AND GETTING MORE WIDESPREAD ON WEDNESDAY NIGHT. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT AS THE WEDNESDAY EVENING COMMUTE PROCEEDS. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. HIGHEST GUSTS NEAR THE NEW JERSEY COAST. * VISIBILITIES...ONE QUARTER TO HALF A MILE MILE OR LESS AT TIMES. * TEMPERATURES...MAINLY IN THE MID TO UPPER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL AND CAUSE POWER OUTAGES. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ DEZ001-002-MDZ012-015-019-020-NJZ016-021-PAZ070-060430- /O.EXT.KPHI.WS.A.0004.130306T2100Z-130307T1100Z/ NEW CASTLE-KENT-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM- CUMBERLAND-DELAWARE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...PENNSVILLE...MILLVILLE...MEDIA 327 PM EST TUE MAR 5 2013 ...WINTER STORM WATCH NOW IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... * LOCATIONS...THE NORTHEASTERN SHORE OF MARYLAND... NORTHERN AND CENTRAL DELAWARE... EXTREME SOUTHEASTERN PENNSYLVANIA AND PORTIONS OF SOUTHERN NEW JERSEY. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 5 INCHES. * TIMING...MIXED PRECIPITATION WILL BEGIN BEFORE THE WEDNESDAY MORNING COMMUTE AND CONTINUE THROUGH THE DAY. THE MIXED PRECIPITATION WILL CHANGE BACK TO SNOW TOWARD EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES DURING THE DAY. NEVERTHELESS... SOME SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THIS AREA DURING AND ESPECIALLY ON WEDNESDAY NIGHT. THERE IS A CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES TO CAUSE ISOLATED POWER OUTAGES. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT AS THE WEDNESDAY EVENING COMMUTE PROCEEDS. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO AROUND 45 MPH. HIGHEST GUSTS NEAR DELAWARE BAY. * VISIBILITIES...ONE QUARTER TO HALF A MILE MILE OR LESS AT TIMES. * TEMPERATURES...MAINLY IN THE MID TO UPPER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
3 follow-up statements
703 WWUS41 KPHI 060234 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 934 PM EST TUE MAR 5 2013 MDZ008-PAZ101-102-061200- /O.CON.KPHI.WS.W.0004.130306T0900Z-130307T0800Z/ CECIL-WESTERN CHESTER-EASTERN CHESTER- INCLUDING THE CITIES OF...ELKTON...HONEY BROOK...OXFORD... WEST CHESTER...KENNET SQUARE 934 PM EST TUE MAR 5 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO 3 AM EST THURSDAY... * LOCATIONS...CHESTER COUNTY PENNSYLVANIA AND CECIL COUNTY MARYLAND. * HAZARD TYPES...SNOW. * SNOW ACCUMULATIONS...4 TO 6 INCHES. * TIMING...MIXED PRECIPITATION WILL PROBABLY BEGIN BETWEEN 2 AM AND 6 AM WEDNESDAY. PRECIPITATION WILL CONTINUE THROUGH THE DAY AND EVENING AS MOSTLY SNOW. THE SNOW MAY BE HEAVY AT TIMES. TEMPERATURES ABOVE FREEZING WILL ASSIST WITH SOME MELTING ON TREATED SURFACES. NEVERTHELESS...SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THIS AREA DURING THE DAY AND BECOME MORE WIDESPREAD AT NIGHT. * IMPACTS...EXPECT DIFFICULT TRAVELING CONDITIONS... ESPECIALLY ON LESS TRAVELED ROADWAYS... BRIDGES AND OVERPASSES. ENOUGH WET SNOW SHOULD ACCUMULATE TO CAUSE POWER OUTAGES. TAKE ANY NECESSARY PREPARATIONS YOU CAN. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * VISIBILITIES...ONE QUARTER TO HALF A MILE OR LESS AT TIMES. * TEMPERATURES...MAINLY IN THE LOWER TO MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ PAZ060-061-103-105-061200- /O.CON.KPHI.WW.Y.0014.130306T1200Z-130307T0800Z/ BERKS-LEHIGH-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...READING...ALLENTOWN...COLLEGEVILLE... POTTSTOWN...CHALFONT...PERKASIE 934 PM EST TUE MAR 5 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 3 AM EST THURSDAY... * LOCATIONS...THE FAR NORTHWEST PHILADELPHIA SUBURBS...BERKS COUNTY AND THE WESTERN LEHIGH VALLEY. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES OF SNOW. * TIMING...SNOW SHOULD OVERSPREAD THE REGION LATE TONIGHT AND START IN ALL AREAS BY THE END OF THE MORNING COMMUTE ON WEDNESDAY. THE SNOW SHOULD START TAPERING OFF WEDNESDAY EVENING AND END WEDNESDAY NIGHT. * IMPACTS...EXPECT SLUSHY TRAVELING CONDITIONS WITH THE WEDNESDAY EVENING COMMUTE. GREATER IMPACTS WILL OCCUR ON SMALLER ROADWAYS. SNOW COULD ARRIVE IN TIME TO IMPACT THE WEDNESDAY MORNING COMMUTE TOO. ISOLATED POWER OUTAGES ARE POSSIBLE. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * TEMPERATURES...IN THE LOWER TO MID 30S. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DEZ001-002-MDZ012-015-019-020-NJZ016>022-025>027-PAZ070-071-104- 106-061200- /O.CON.KPHI.WS.A.0004.130306T2100Z-130307T1100Z/ NEW CASTLE-KENT-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- DELAWARE-PHILADELPHIA-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...PENNSVILLE...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE... HAMMONTON...ATLANTIC CITY...LONG BEACH ISLAND... WHARTON STATE FOREST...MEDIA...PHILADELPHIA...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 934 PM EST TUE MAR 5 2013 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... * LOCATIONS...MOST OF SOUTHERN NEW JERSEY...PHILADELPHIA AND ITS NEARBY PENNSYLVANIA SUBURBS. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES. * TIMING...MIXED PRECIPITATION WILL PROBABLY BEGIN BETWEEN BEFORE DAWN ON WEDNESDAY AND CONTINUE THROUGH THE DAY. THE SNOW WILL MIX WITH AND CHANGE TO RAIN AT TIMES DURING THE DAY...BEFORE CHANGING BACK TO ALL SNOW TOWARD EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES. NEVERTHELESS...SOME SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THE AREA DURING AND GETTING MORE WIDESPREAD ON WEDNESDAY NIGHT. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT AS THE WEDNESDAY EVENING COMMUTE PROCEEDS. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. HIGHEST GUSTS WILL BE TOWARD THE DELAWARE AND NEW JERSEY COAST. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE OR LESS AT TIMES. * TEMPERATURES...MAINLY IN THE MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL AND CAUSE POWER OUTAGES. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
847 WWUS41 KPHI 060923 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 423 AM EST WED MAR 6 2013 MDZ008-PAZ101-102-062100- /O.CON.KPHI.WS.W.0004.000000T0000Z-130307T0800Z/ CECIL-WESTERN CHESTER-EASTERN CHESTER- INCLUDING THE CITIES OF...ELKTON...HONEY BROOK...OXFORD... WEST CHESTER...KENNET SQUARE 423 AM EST WED MAR 6 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM EST THURSDAY... * LOCATIONS...CHESTER COUNTY PENNSYLVANIA AND CECIL COUNTY MARYLAND. * HAZARD TYPES...SNOW. * SNOW ACCUMULATIONS...4 TO 6 INCHES. * TIMING....PRECIPITATION WILL CONTINUE THROUGH THE DAY AND EVENING AS MOSTLY SNOW. THE SNOW MAY BE HEAVY AT TIMES. TEMPERATURES ABOVE FREEZING WILL ASSIST WITH SOME MELTING ON TREATED SURFACES. NEVERTHELESS...SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THIS AREA DURING THE DAY AND BECOME MORE WIDESPREAD AT NIGHT. * IMPACTS...EXPECT DIFFICULT TRAVELING CONDITIONS... ESPECIALLY ON LESS TRAVELED ROADWAYS... BRIDGES AND OVERPASSES. ENOUGH WET SNOW SHOULD ACCUMULATE TO CAUSE POWER OUTAGES. TAKE ANY NECESSARY PREPARATIONS YOU CAN. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. * VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES. * TEMPERATURES...IN THE LOWER TO MID MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ DEZ001-002-MDZ012-015-019-020-NJZ016>022-025>027-PAZ070-071-104- 106-062100- /O.UPG.KPHI.WS.A.0004.130306T2100Z-130307T1100Z/ /O.EXB.KPHI.WW.Y.0014.130306T2100Z-130307T1100Z/ NEW CASTLE-KENT-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- DELAWARE-PHILADELPHIA-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...CHESTERTOWN... CENTREVILLE...EASTON...DENTON...PENNSVILLE...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE... HAMMONTON...ATLANTIC CITY...LONG BEACH ISLAND... WHARTON STATE FOREST...MEDIA...PHILADELPHIA...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 423 AM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...MOST OF SOUTHERN NEW JERSEY...PHILADELPHIA AND ITS NEARBY PENNSYLVANIA SUBURBS. * HAZARD TYPES...SNOW. * ACCUMULATIONS...2 TO 4 INCHES. * TIMING...MIXED PRECIPITATION WILL CHANGE TO RAIN DURING THE DAY...BEFORE CHANGING BACK TO ALL SNOW TOWARD EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES. NEVERTHELESS...SOME SLUSHY ACCUMULATIONS ARE LIKELY THROUGHOUT THE AREA DURING AND GETTING MORE WIDESPREAD TONIGHT. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT AS THE THIS EVENING COMMUTE PROCEEDS. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TEMPERATURES...IN THE MID TO UPPER 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. && $$ NJZ009-010-012>015-062100- /O.EXB.KPHI.WW.Y.0014.130306T2100Z-130307T1100Z/ HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- MERCER- INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON 423 AM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST THURSDAY. * LOCATIONS...THE FAR NORTHWEST PHILADELPHIA SUBURBS...BERKS COUNTY AND THE WESTERN LEHIGH VALLEY. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * TIMING...MIXED PRECIPITATION WILL BEGIN DURING THE DAY AND LIKELY CHANGE TO RAIN BEFORE CHANGING BACK TO SNOW TONIGHT. THE SNOW SHOULD START TAPERING OFF THIS EVENING AND END TONIGHT. * IMPACTS...EXPECT SLUSHY TRAVELING CONDITIONS WITH THE WEDNESDAY EVENING COMMUTE. GREATER IMPACTS WILL OCCUR ON SMALLER ROADWAYS. SNOW COULD ARRIVE IN TIME TO IMPACT THE WEDNESDAY MORNING COMMUTE TOO. ISOLATED POWER OUTAGES ARE POSSIBLE. * WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. * TEMPERATURES...IN THE MID TO UPPER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PAZ060-061-103-105-062100- /O.EXT.KPHI.WW.Y.0014.130306T1200Z-130307T1100Z/ BERKS-LEHIGH-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...READING...ALLENTOWN...COLLEGEVILLE... POTTSTOWN...CHALFONT...PERKASIE 423 AM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO 6 AM EST THURSDAY... * LOCATIONS...THE FAR NORTHWEST PHILADELPHIA SUBURBS...BERKS COUNTY AND THE WESTERN LEHIGH VALLEY. * HAZARD TYPES...SNOW. * ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * TIMING...SNOW IS EXPECTED THROUGH THE DAY AND WILL START TAPERING OFF THIS EVENING AND END TONIGHT. * IMPACTS...EXPECT SLUSHY TRAVELING CONDITIONS WITH THIS EVENINGS COMMUTE. GREATER IMPACTS WILL OCCUR ON SMALLER ROADWAYS. SNOW COULD ARRIVE IN TIME TO IMPACT THIS MORNINGS COMMUTE TOO. ISOLATED POWER OUTAGES ARE POSSIBLE. * WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * TEMPERATURES...IN THE MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
602 WWUS41 KPHI 062128 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 428 PM EST WED MAR 6 2013 MDZ008-PAZ102-070530- /O.CAN.KPHI.WS.W.0004.000000T0000Z-130307T0800Z/ /O.EXA.KPHI.WW.Y.0014.000000T0000Z-130307T1100Z/ CECIL-EASTERN CHESTER- INCLUDING THE CITIES OF...ELKTON...WEST CHESTER...KENNET SQUARE 428 PM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY WET SNOW...WHICH IS IN EFFECT UNTIL 6 AM EST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * LOCATIONS...NORTHEAST MARYLAND AND EASTERN CHESTER. * HAZARD TYPES...SNOW. * SNOW ACCUMULATIONS...1 TO 2 INCHES. * TIMING...RAIN IS EXPECTED TO CHANGE TO ALL SNOW LATER THIS EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES. A SLUSHY ACCUMULATION IS EXPECTED TO BEGIN TONIGHT ON UNTREATED SURFACES. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT TONIGHT AS THE WEST SNOW BEGINS TO ACCUMULATE ON UNTREATED ROAD SURFACES. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TEMPERATURES...IN THE MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PAZ101-062230- /O.CAN.KPHI.WS.W.0004.000000T0000Z-130307T0800Z/ WESTERN CHESTER- INCLUDING THE CITIES OF...HONEY BROOK...OXFORD 428 PM EST WED MAR 6 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER STORM WARNING. TEMPERATURES WILL REMAIN ABOVE FREEZING ALLOWING FOR A 1 TO 2 INCHES OF SLUSHY ACCUMULATION THROUGH TONIGHT. $$ DEZ002-MDZ015-019-020-NJZ009-010-021-022-025-PAZ060-061-103-105- 062230- /O.CAN.KPHI.WW.Y.0014.000000T0000Z-130307T1100Z/ KENT-QUEEN ANNES-TALBOT-CAROLINE-HUNTERDON-SOMERSET-CUMBERLAND- ATLANTIC-COASTAL ATLANTIC-BERKS-LEHIGH-WESTERN MONTGOMERY- UPPER BUCKS- INCLUDING THE CITIES OF...DOVER...CENTREVILLE...EASTON...DENTON... FLEMINGTON...SOMERVILLE...MILLVILLE...HAMMONTON...ATLANTIC CITY... READING...ALLENTOWN...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 428 PM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES WILL REMAIN ABOVE FREEZING ALLOWING FOR UP TO AN INCH OF SLUSHY ACCUMULATION THROUGH TONIGHT IN DELMARVA AND SOUTHEASTERN NEW JERSEY AND 1 TO 2 INCHES IN SOUTHEAST PENNSYLVANIA. $$ DEZ001-MDZ012-NJZ012>020-026-027-PAZ070-071-104-106-070530- /O.CON.KPHI.WW.Y.0014.000000T0000Z-130307T1100Z/ NEW CASTLE-KENT MD-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN- COASTAL OCEAN-SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA- EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...CHESTERTOWN... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...LONG BEACH ISLAND...WHARTON STATE FOREST...MEDIA... PHILADELPHIA...NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN 428 PM EST WED MAR 6 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST THURSDAY... * LOCATIONS...MOST OF SOUTHERN NEW JERSEY...PHILADELPHIA AND ITS NEARBY PENNSYLVANIA SUBURBS. * HAZARD TYPES...SNOW. * TIMING...RAIN IS EXPECTED TO CHANGE TO ALL SNOW LATER THIS EVENING. TEMPERATURES ARE FORECAST TO BE ABOVE FREEZING AND THIS WILL ASSIST MELTING ON TREATED SURFACES. A SLUSHY ACCUMULATION IS EXPECTED TO BEGIN TONIGHT ON UNTREATED SURFACES. * IMPACTS...EXPECT TRAVEL TO GET MORE DIFFICULT TONIGHT AS THE WEST SNOW BEGINS TO ACCUMULATE ON UNTREATED ROAD SURFACES. THERE IS THE CHANCE THAT ENOUGH WET SNOW WILL ACCUMULATE ON LIMBS AND WIRES AND COUPLED WITH THE WIND TO CAUSE SCATTERED POWER OUTAGES. BE PREPARED FOR POSSIBLE POWER OUTAGES. * WINDS...NORTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TEMPERATURES...IN THE UPPER 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. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 3:27 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 32 hr |
| Mar 5, 3:30 PM EST | Wind Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 30 hr |
Nearby
Winter Storm Warnings in Pennsylvania, 2013Winter Storm Warnings in Maryland, 2013Every winter storm warning 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.