Alert archive / Pennsylvania / Winter Storm Watches in 2011
Winter Storm Watch 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm watch at Feb 3, 2011, 3:05 PM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Feb 5, 2011, 4:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 3, 2011, 3:05 PM EST (20:05 UTC)
- In effect from
- Feb 5, 2011, 4:00 AM EST
- Expired
- Feb 4, 2011, 4:24 AM EST
- In force
- 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 20:11 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, 8.1 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
- 1174 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- -106 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
796 WWUS41 KPHI 032005 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 305 PM EST THU FEB 3 2011 ...A WINTER STORM MAY AFFECT THE REGION FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING... .LOW PRESSURE WILL DEVELOP ALONG THE SOUTHEASTERN UNITED STATES AND TRACK NORTHEASTWARD UP THE MIDDLE ATLANTIC COASTLINE. THE LOW IS EXPECTED TO BE OFF THE NEW JERSEY COAST BY SATURDAY AFTERNOON BEFORE CONTINUING TO MOVE QUICKLY OFF TOWARDS THE NORTHEAST. NJZ001-PAZ054-055-041000- /O.NEW.KPHI.WS.A.0005.110205T0900Z-110206T0300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 305 PM EST THU FEB 3 2011 ...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING. * PRECIPITATION TYPE: SNOW POSSIBLY MIXED WITH A LITTLE SLEET AT TIMES. * ACCUMULATIONS: 6 INCHES ARE POSSIBLE. * TIMING: SNOW WILL START TO MOVE INTO THE AREA LATE FRIDAY NIGHT AND CONTINUE THROUGH SATURDAY BEFORE STARTING TO TAPER OFF SATURDAY EVENING. * IMPACTS: TRAVEL WILL BECOME DIFFICULT AS ROADS BECOME SNOW COVERED. 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. && $$ MEOLA
1 follow-up statement
737 WWUS41 KPHI 040924 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 424 AM EST FRI FEB 4 2011 ...A WINTER STORM WILL AFFECT THE REGION LATE TONIGHT THROUGH SATURDAY EVENING... .LOW PRESSURE WILL DEVELOP ALONG THE SOUTHEASTERN UNITED STATES AND TRACK NORTHEAST UP THE MIDDLE ATLANTIC COASTLINE. THE LOW IS EXPECTED TO BE OFF THE NEW JERSEY COAST BY SATURDAY AFTERNOON BEFORE CONTINUING TO MOVE QUICKLY OFF TOWARDS THE NORTHEAST. NJZ001-PAZ054-055-042100- /O.UPG.KPHI.WS.A.0005.110205T0900Z-110206T0300Z/ /O.NEW.KPHI.WW.Y.0011.110205T0600Z-110206T0300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 424 AM EST FRI FEB 4 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND ICE, WHICH IS IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * PRECIPITATION TYPE: SNOW. THE SNOW MAY MIX WITH SLEET AND FREEZING RAIN FOR A BRIEF PERIOD SATURDAY AFTERNOON. * ACCUMULATIONS: 3 TO 4 INCHES ARE POSSIBLE. * TIMING: LATE TONIGHT INTO SATURDAY EVENING. * IMPACTS: TRAVEL WILL BECOME DIFFICULT AS ROADS BECOME SNOW AND ICE COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ NJZ007-008-PAZ060>062-042100- /O.NEW.KPHI.WW.Y.0011.110205T0600Z-110206T0300Z/ WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...READING... ALLENTOWN...BETHLEHEM...EASTON 424 AM EST FRI FEB 4 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND ICE, WHICH IS IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY. * PRECIPITATION TYPE: SNOW MIXING WITH SLEET AND FREEZING RAIN, THEN CHANGING TO RAIN FOR A BRIEF PERIOD SATURDAY AFTERNOON, AND THEN CHANGING BACK TO SNOW BEFORE ENDING SATURDAY EVENING. * ACCUMULATIONS: 2 TO 3 INCHES ARE POSSIBLE. * TIMING: LATE TONIGHT INTO SATURDAY EVENING. * IMPACTS: TRAVEL WILL BECOME DIFFICULT AS ROADS BECOME SNOW AND ICE COVERED. 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. && $$ NJZ009-010-012-015-PAZ067>069-042100- /O.NEW.KPHI.WW.Y.0011.110205T0600Z-110206T0300Z/ HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN 424 AM EST FRI FEB 4 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND ICE, WHICH IS IN EFFECT FROM 1 AM TO 10 PM EST SATURDAY. * PRECIPITATION TYPE: SNOW MIXING WITH SLEET AND FREEZING RAIN, THEN CHANGING TO RAIN SATURDAY AFTERNOON, AND THEN POSSIBLY CHANGING BACK TO SNOW BEFORE ENDING SATURDAY EVENING. * ACCUMULATIONS: 1 TO 2 INCHES POSSIBLE. * TIMING: LATE TONIGHT INTO SATURDAY EVENING. * IMPACTS: TRAVEL MAY BECOME DIFFICULT AS ROADS BECOME SNOW AND ICE COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ RPW
Nearby
Winter Storm Watches in Pennsylvania, 2011Winter Storm Watches in New Jersey, 2011Every winter storm watch in 2011
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.