Alert archive / Pennsylvania / Winter Storm Warnings in 2005
Winter Storm Warning 2, NWS State College, PA
NWS State College, PA issued this winter storm warning at Dec 14, 2005, 3:14 PM EST for 31 counties in Pennsylvania. It took effect at Dec 14, 2005, 5:30 PM EST. It was in force for 38 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
- Dec 14, 2005, 3:14 PM EST (20:14 UTC)
- In effect from
- Dec 14, 2005, 5:30 PM EST
- Expired
- Dec 16, 2005, 7:00 AM EST
- In force
- 38 hr
- Issued by
- NWS State College, PA
All 31 counties
Adams County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lebanon County, PA, Lycoming County, PA, McKean County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, Warren County, PA
The radar
The State College radar (KCCX), 36 km from the middle of the area, began a volume at 20:15 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, 8.2 hours before the alert went out and 196 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
- 1580 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 165 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 KCTP 142014 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 314 PM EST WED DEC 14 2005 ...A WINTER STORM WARNING HAS BEEN ISSUED FOR LATE THURSDAY MORNING THROUGH FRIDAY MORNING FOR MUCH OF THE CENTRAL AND WESTERN MOUNTAINS OF PENNSYLVANIA... ...A WINTER STORM WATCH REMAINS IN EFFECT FOR LATE THURSDAY MORNING THROUGH FRIDAY MORNING FOR MOST OF THE SUSQUEHANNA VALLEY AND WARREN COUNTY IN NORTHWESTERN PENNSYLVANIA... .ANOTHER WINTER STORM WILL AFFECT THE REGION THURSDAY INTO FRIDAY...BRINGING A POTPOURRI OF PRECIPITATION TYPES TO PENNSYLVANIA. ACROSS THE WEST AND NORTH...SIGNIFICANT SNOW ACCUMULATION OF 6 INCHES OR MORE IS LIKELY...WITH A FEW HOUR PERIOD OF SLEET AND FREEZING RAIN POSSIBLE LATE THURSDAY NIGHT. ACROSS SOUTH CENTRAL PENNSYLVANIA...AND THROUGHOUT THE CENTRAL AND LOWER SUSQUEHANNA VALLEY...MORE SLEET AND FREEZING RAIN WILL MIX WITH THE SNOW...CUTTING DOWN ON SNOW ACCUMULATIONS BUT INCREASING THE POTENTIAL FOR SIGNIFICANT ICE ACCUMULATIONS. PAZ005-006-010>012-017>019-024>027-033>035-037-041-045-150415- /O.UPG.KCTP.WS.A.0003.051215T1200Z-051216T1700Z/ /O.NEW.KCTP.WS.W.0002.051215T1200Z-051216T1700Z/ MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- SOMERSET-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SOUTHERN CLINTON- 314 PM EST WED DEC 14 2005 ...WINTER STORM WARNING IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION BEGINNING THURSDAY MORNING AND LASTING THROUGH FRIDAY MORNING. PRECIPITATION WILL START AS SNOW IN MOST PLACES THURSDAY MORNING...WITH THE EXCEPTION OF THE NORTHERN COUNTIES WHERE THE ONSET OF SNOW MAY HOLD OFF UNTIL THE EARLY AFTERNOON. ACCUMULATIONS BY DUSK THURSDAY WILL RANGE FROM 1 TO 4 INCHES ACROSS FAR NORTHERN PENNSYLVANIA...TO BETWEEN 2 AND 5 INCHES ACROSS THE SOUTHWEST MOUNTAINS. BY THURSDAY NIGHT...A THIN LAYER OF JUST ABOVE FREEZING AIR MOVING IN ALOFT FROM THE SOUTH SHOULD CAUSE THE SNOW TO MIX WITH SLEET AND FREEZING RAIN FOR SEVERAL HOURS OVER THE LAUREL HIGHLANDS AND SOUTH CENTRAL MOUNTAINS. SOME AREAS ALONG THE MARYLAND BORDER MAY CHANGE TO ALL FREEZING RAIN...INCREASING THE THREAT FOR A SIGNIFICANT ICE STORM. BY NOON FRIDAY TOTAL SNOW ACCUMULATIONS OF 6 TO 9 INCHES ARE LIKELY NEAR AND TO THE NORTHWEST OF A LINE FROM JOHNSTOWN...TO STATE COLLEGE AND MANSFIELD. SEVERAL INCHES OF SNOW...TOPPED BY A LAYER OF SLEET AND FREEZING RAIN WILL OCCUR FURTHER SOUTHEAST. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ004-028-036-042-046-049>053-056>059-063>066-150415- /O.CON.KCTP.WS.A.0003.051215T1200Z-051216T1700Z/ WARREN-JUNIATA-FRANKLIN-SULLIVAN-SOUTHERN LYCOMING-UNION-SNYDER- MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 314 PM EST WED DEC 14 2005 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING. A COMPLEX WINTER STORM WILL AFFECT THE REGION BEGINNING THURSDAY MORNING AND LASTING THROUGH FRIDAY MORNING. PRECIPITATION WILL START AS SNOW EVERYWHERE THURSDAY MORNING AND CONTINUE THROUGHOUT THE DAY. ACCUMULATIONS DURING THE DAYLIGHT HOURS WILL RANGE FROM 1 TO 3 INCHES OVER MUCH OF THE SUSQUEHANNA VALLEY...WITH UP TO 4 INCHES POSSIBLE ACROSS SOUTH CENTRAL PENNSYLVANIA AND WARREN COUNTY IN THE FAR NORTHWEST. BY THURSDAY NIGHT...WARMER AIR MOVING IN ALOFT FROM THE SOUTH WILL CAUSE THE SNOW TO MIX WITH SLEET AND FREEZING RAIN OVER THE SOUTH CENTRAL MOUNTAINS AND SUSQUEHANNA RIVER VALLEY...AND SOME AREAS MAY CHANGE TO ALL FREEZING RAIN LATE INCREASING THE THREAT FOR A SIGNIFICANT ICE STORM WITH POTENTIAL ICE ACCUMULATIONS UP TO ONE HALF INCH THICK. A CHANGE BACK TO SNOW MAY OCCUR FOR SEVERAL HOURS FRIDAY MORNING BEFORE THE SNOW ENDS DURING THE MID DAY. A FEW MORE INCHES OF SNOW ARE POSSIBLE FRIDAY MORNING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW OR ICE ACCUMULATION THAT MAY IMPACT TRAVEL. THE EXACT IMPACT OF THIS STORM SYSTEM IS UNCERTAIN. HOWEVER...IF HEAVY SNOW OR ICE BECOMES IMMINENT...A WINTER STORM WARNING WILL BE ISSUED. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. $$ LAMBERT
6 follow-up statements
000 WWUS41 KCTP 142230 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 530 PM EST WED DEC 14 2005 .A WINTER STORM WILL AFFECT MUCH OF CENTRAL PENNSYLVANIA THURSDAY INTO FRIDAY MORNING. PAZ004-042-150630- /O.UPG.KCTP.WS.A.0003.051215T1200Z-051216T1700Z/ /O.EXB.KCTP.WS.W.0002.051215T1500Z-051216T1700Z/ WARREN-SULLIVAN- 530 PM EST WED DEC 14 2005 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE EARLY AFTERNOON HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. SNOW WILL DEVELOP DURING THE EARLY AFTERNOON HOURS...AND WILL PERSIST THROUGH THURSDAY NIGHT AND FRIDAY MORNING. THE SNOW MAY BECOME HEAVY AT TIMES BY THURSDAY EVENING...AND LAST THROUGHOUT THURSDAY NIGHT. SNOWFALL ACCUMULATIONS OF 1 TO 3 INCHES WILL BE POSSIBLE BY THURSDAY EVENING...WITH THE HIGHER AMOUNTS EXPECTED IN WARREN COUNTY. TOTAL SNOWFALL ACCUMULATIONS BY THE TIME THE SNOW TAPERS OFF MIDDAY FRIDAY WILL BE 6 TO 8 INCHES. SOME SLEET MAY BRIEFLY MIX IN AT TIMES LATE THURSDAY NIGHT. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ028-036-046-049>053-056>059-063-064-150630- /O.UPG.KCTP.WS.A.0003.051215T1200Z-051216T1700Z/ /O.EXB.KCTP.WS.W.0002.051215T1800Z-051216T1700Z/ JUNIATA-FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS- 530 PM EST WED DEC 14 2005 ...WINTER STORM WARNING IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE EARLY AFTERNOON HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. SNOW WILL DEVELOP DURING THE EARLY TO MID AFTERNOON HOURS THURSDAY. THE SNOW WILL THEN MIX WITH...AND EVENTUALLY CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN TOWARD...OR JUST AFTER SUNSET THURSDAY. THIS MIXTURE OF SLEET AND FREEZING RAIN WILL CONTINUE THROUGH MUCH OF THURSDAY NIGHT...ALTHOUGH PRECIPITATION MAY CHANGE TO PLAIN RAIN FOR A TIME LATE THURSDAY NIGHT. AT THIS TIME...IT APPEARS THAT 1 TO 3 INCHES OF SNOWFALL WILL ACCUMULATE BY THURSDAY EVENING ACROSS THE AREA. STORM TOTAL SNOWFALL ACCUMULATION OF 2 TO 4 INCHES ARE CURRENTLY EXPECTED. HOWEVER...IN ADDITION TO THE SNOWFALL...ICE ACCRETION OF AROUND ONE QUARTER OF AN INCH IS EXPECTED. THIS MAY LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA THURSDAY NIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ005-006-010>012-017>019-037-041-045-150630- /O.EXT.KCTP.WS.W.0002.051215T1500Z-051216T1700Z/ MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING- SOUTHERN CLINTON- 530 PM EST WED DEC 14 2005 ...WINTER STORM WARNING NOW IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY. THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE MID MORNING HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. SNOW WILL DEVELOP DURING THE MID MORNING HOURS THURSDAY...AND WILL PERSIST THROUGH THURSDAY NIGHT AND FRIDAY MORNING. THE SNOW WILL BECOME HEAVY AT TIMES THURSDAY AFTERNOON...AND INTO THURSDAY NIGHT. THE SNOW MAY MIX WITH...OR EVEN CHANGE TO SLEET AND FREEZING RAIN AT TIMES THURSDAY NIGHT...ESPECIALLY IN AREAS NEAR AND SOUTH OF INTERSTATE 80. THE SNOW IS EXPECTED TO GRADUALLY TAPER OFF TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. AT THIS TIME...IT APPEARS THAT 1 TO 3 INCHES OF SNOWFALL WILL ACCUMULATE BY THURSDAY EVENING ACROSS THE AREA. STORM TOTAL SNOWFALL ACCUMULATION OF 4 TO 8 INCHES ARE CURRENTLY EXPECTED...WITH THE HIGHEST AMOUNTS EXPECTED NORTH OF INTERSTATE 80. HOWEVER...IN ADDITION TO THE SNOWFALL...ICE ACCRETION OF UP TO ONE TENTH OF AN INCH WILL BE POSSIBLE THURSDAY NIGHT SOUTH OF INTERSTATE 80. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ024>027-033>035-150630- /O.CON.KCTP.WS.W.0002.051215T1200Z-051216T1700Z/ CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-SOMERSET-BEDFORD-FULTON- 530 PM EST WED DEC 14 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY. THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE EARLY MORNING HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. LIGHT SNOW WILL DEVELOP DURING THE EARLY MORNING HOURS THURSDAY. THE SNOW WILL BECOME HEAVIER TOWARD...AND ESPECIALLY AFTER NOONTIME THURSDAY...WITH ACCUMULATIONS OF 2 TO 4 INCHES EXPECTED BY THURSDAY EVENING. THE SNOW WILL THEN MIX WITH...AND EVENTUALLY CHANGE OVER TO SLEET AND FREEZING RAIN BY THURSDAY EVENING...AND THIS MIXTURE OF WINTRY PRECIPITATION WILL THEN PERSIST INTO THURSDAY NIGHT...BEFORE CHANGING BACK TO ALL SNOW FRIDAY MORNING. THE SNOW WILL THEN TAPER TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. AT THIS TIME...STORM TOTAL SNOWFALL ACCUMULATION OF 5 TO 9 INCHES IS EXPECTED. HOWEVER...IN ADDITION TO THE SNOWFALL...ICE ACCRETION OF BETWEEN ONE TENTH OF AN INCH...TO ONE QUARTER OF AN INCH WILL ALSO BE POSSIBLE...ESPECIALLY FOR AREAS SOUTH OF THE PENNSYLVANIA TURNPIKE. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ065-066-150630- /O.UPG.KCTP.WS.A.0003.051215T1200Z-051216T1700Z/ /O.NEW.KCTP.WW.Y.0004.051215T1800Z-051216T1700Z/ YORK-LANCASTER- 530 PM EST WED DEC 14 2005 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION BEGINNING THURSDAY AFTERNOON...AND WILL LAST THROUGH FRIDAY MORNING. PRECIPITATION WILL START AS SNOW EVERYWHERE EARLY THURSDAY AFTERNOON...AND WILL CONTINUE THROUGHOUT THE DAY. ACCUMULATIONS DURING THE DAYLIGHT HOURS WILL RANGE FROM 1 TO 2 INCHES...WITH THE HIGHEST AMOUNTS NORTH OF THE PENNSYLVANIA TURNPIKE. BY LATE THURSDAY AFTERNOON...WARMER AIR MOVING IN ALOFT FROM THE SOUTH WILL CAUSE THE SNOW TO MIX WITH SLEET AND FREEZING RAIN. THIS WILL CAUSE SLIPPERY TRAVEL CONDITIONS ACROSS THE ADVISORY AREA DURING THE EVENING COMMUTE THURSDAY. THE MIXED PRECIPITATION SHOULD EVENTUALLY CHANGE TO PLAIN RAIN DURING THURSDAY NIGHT...BEFORE CHANGING BACK TO SNOW FRIDAY MORNING. AT THIS TIME...TOTAL SNOWFALL ACCUMULATION OF 1 TO 3 INCHES IS EXPECTED...ALONG WITH ICE ACCRETION OF BETWEEN ONE TENTH...AND ONE QUARTER OF AN INCH. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. 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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. $$ KL/MMD
000 WWUS41 KCTP 150304 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 1004 PM EST WED DEC 14 2005 .A WINTER STORM WILL AFFECT MUCH OF CENTRAL PENNSYLVANIA THURSDAY INTO FRIDAY MORNING. PAZ004>006-010>012-017>019-037-041-042-045-151115- /O.CON.KCTP.WS.W.0002.051215T1500Z-051216T1700Z/ WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON- 1004 PM EST WED DEC 14 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY. THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE MID MORNING HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. SNOW WILL DEVELOP DURING THE MID TO LATE MORNING HOURS ON THURSDAY...AND WILL PERSIST THROUGH THURSDAY NIGHT AND FRIDAY MORNING. THE SNOW WILL BECOME HEAVY AT TIMES THURSDAY AFTERNOON...AND INTO THURSDAY NIGHT. THE SNOW MAY MIX WITH...OR EVEN CHANGE TO SLEET AND FREEZING RAIN AT TIMES THURSDAY NIGHT...ESPECIALLY IN AREAS NEAR AND SOUTH OF INTERSTATE 80. THE SNOW IS EXPECTED TO GRADUALLY TAPER OFF TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. A STORM TOTAL SNOW AND SLEET ACCUMULATION OF 4 TO 8 INCHES IS EXPECTED...WITH THE HIGHEST AMOUNTS EXPECTED TO BE ALONG AND JUST TO THE NORTH OF INTERSTATE 80. HOWEVER...IN ADDITION TO THE SNOW AND SLEET...ICE ACCRETION OF ONE-TENTH TO ONE-QUARTER OF AN INCH WILL BE POSSIBLE THURSDAY NIGHT SOUTH OF INTERSTATE 80. AN UPDATE TO THIS STATEMENT WILL BE ISSUED EARLY THURSDAY MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ024>027-033>035-151115- /O.CON.KCTP.WS.W.0002.051215T1200Z-051216T1700Z/ CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-SOMERSET-BEDFORD-FULTON- 1004 PM EST WED DEC 14 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY. THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 7 AM THURSDAY TO 12 PM EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE EARLY MORNING HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. LIGHT SNOW WILL DEVELOP AFTER SUNRISE ON THURSDAY. THE SNOW WILL BECOME HEAVIER TOWARD...AND ESPECIALLY AFTER NOONTIME...ON THURSDAY. ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THURSDAY EVENING. THE SNOW WILL THEN MIX WITH...AND EVENTUALLY CHANGE OVER TO SLEET AND FREEZING RAIN THURSDAY EVENING...AND THIS MIXTURE OF WINTRY PRECIPITATION WILL THEN PERSIST INTO THURSDAY NIGHT...BEFORE CHANGING BACK TO ALL SNOW FRIDAY MORNING. THE SNOW WILL THEN TAPER TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. STORM TOTAL SNOWFALL ACCUMULATION OF 5 TO 9 INCHES IS EXPECTED. HOWEVER...IN ADDITION TO THE SNOWFALL...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE-QUARTER TO ONE-HALF OF AN INCH IS EXPECTED...ESPECIALLY FOR AREAS SOUTH OF THE PENNSYLVANIA TURNPIKE. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA THURSDAY NIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED EARLY THURSDAY MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ028-036-046-049>053-056>059-063-064-151115- /O.CON.KCTP.WS.W.0002.051215T1800Z-051216T1700Z/ JUNIATA-FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS- 1004 PM EST WED DEC 14 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY. A COMPLEX WINTER STORM WILL AFFECT THE REGION FROM THE EARLY AFTERNOON HOURS ON THURSDAY...AND WILL LAST THROUGH FRIDAY MORNING. SNOW WILL DEVELOP DURING THE AFTERNOON HOURS ON THURSDAY. THE SNOW WILL THEN MIX WITH...AND EVENTUALLY CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN AROUND SUNSET THURSDAY. THIS MIXTURE OF SLEET AND FREEZING RAIN WILL CONTINUE THROUGH MUCH OF THURSDAY NIGHT...ALTHOUGH PRECIPITATION MAY CHANGE TO PLAIN RAIN FOR A TIME LATE THURSDAY NIGHT. AT THIS TIME...IT APPEARS THAT 1 TO 3 INCHES OF SNOW AND SLEET WILL ACCUMULATE BY THURSDAY EVENING ACROSS THE AREA. STORM TOTAL SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES ARE CURRENTLY EXPECTED. HOWEVER...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE QUARTER OF AN INCH IS EXPECTED. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA THURSDAY NIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED EARLY THURSDAY MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ065-066-151115- /O.CON.KCTP.WW.Y.0004.051215T1800Z-051216T1700Z/ YORK-LANCASTER- 1004 PM EST WED DEC 14 2005 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THURSDAY TO 12 PM EST FRIDAY. A COMPLEX WINTER STORM WILL AFFECT THE REGION BEGINNING THURSDAY AFTERNOON...AND WILL LAST THROUGH FRIDAY MORNING. PRECIPITATION WILL START AS SNOW ON THURSDAY AFTERNOON...AND WILL CONTINUE INTO THE EVENING. ACCUMULATIONS DURING THE DAYLIGHT HOURS WILL RANGE FROM 1 TO 2 INCHES. BY THURSDAY EVENING...WARMER AIR MOVING IN ALOFT FROM THE SOUTH WILL CAUSE THE SNOW TO MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN. THIS WILL CAUSE SLIPPERY TRAVEL CONDITIONS ACROSS THE ADVISORY AREA DURING THE EVENING COMMUTE THURSDAY. THE MIXED PRECIPITATION SHOULD EVENTUALLY CHANGE TO PLAIN RAIN DURING THURSDAY NIGHT...BEFORE BRIEFLY CHANGING BACK TO A LITTLE SNOW ON FRIDAY MORNING. AT THIS TIME...TOTAL SNOW AND SLEET ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED...ALONG WITH ICE ACCRETION OF BETWEEN ONE-TENTH...AND ONE-QUARTER OF AN INCH. THIS COMBINATION OF WINTRY PRECIPITATION WILL MAKE TRAVEL VERY SLIPPERY AND MAY CAUSE SCATTERED POWER OUTAGES. AN UPDATE TO THIS STATEMENT WILL BE ISSUED EARLY THURSDAY MORNING. 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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. $$ DANGELO/KL
000 WWUS41 KCTP 150832 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 332 AM EST THU DEC 15 2005 .A WINTER STORM WILL AFFECT MUCH OF CENTRAL PENNSYLVANIA TODAY THROUGH FRIDAY MORNING. PAZ004>006-010>012-017>019-037-041-042-045-151815- /O.CON.KCTP.WS.W.0002.051215T1500Z-051216T1700Z/ WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON- 332 AM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 12 PM EST FRIDAY. SNOW WILL DEVELOP DURING THE MID TO LATE MORNING HOURS TODAY... AND PERSIST THROUGH TONIGHT AND INTO FRIDAY MORNING. THE SNOW WILL BECOME HEAVY AT TIMES THIS AFTERNOON AND TONIGHT...AND MAY MIX WITH...OR EVEN CHANGE TO SLEET AND FREEZING RAIN AT TIMES TONIGHT...MAINLY IN AREAS NEAR AND SOUTH OF INTERSTATE 80. THE SNOW WILL TAPER OFF TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. A STORM TOTAL SNOW AND SLEET ACCUMULATION OF 4 TO 8 INCHES IS EXPECTED...WITH THE HIGHEST AMOUNTS ALONG AND JUST TO THE NORTH OF INTERSTATE 80. IN ADDITION TO THE SNOW AND SLEET... ICE ACCRETION OF ONE-TENTH TO ONE-QUARTER OF AN INCH WILL BE POSSIBLE TONIGHT SOUTH OF INTERSTATE 80...WHICH MAY CAUSE SPORADIC LOCAL POWER OUTAGES DUE TO DOWNED TREE LIMBS OVERNIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ024>027-033>035-151815- /O.CON.KCTP.WS.W.0002.051215T1200Z-051216T1700Z/ CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-SOMERSET-BEDFORD-FULTON- 332 AM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 12 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 12 PM EST FRIDAY. LIGHT SNOW WILL DEVELOP DURING THE EARLY TO MID MORNING HOURS TODAY...BECOMING STEADIER AND HEAVIER THIS AFTERNOON. ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THIS EVENING. THE SNOW WILL MIX WITH...AND EVENTUALLY CHANGE TO SLEET AND FREEZING RAIN LATER THIS EVENING. THIS MIXTURE WILL CONTINUE FOR MOST THE OVERNIGHT HOURS BEFORE CHANGING BACK TO ALL SNOW FRIDAY MORNING. FRIDAY MORNING SNOW WILL TAPER TO SNOW SHOWERS AND FLURRIES BY MIDDAY. STORM TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED. IN ADDITION TO THE SNOWFALL...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE-QUARTER TO ONE-HALF OF AN INCH IS EXPECTED...ESPECIALLY FOR AREAS SOUTH OF THE PENNSYLVANIA TURNPIKE. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA TONIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ028-036-046-049>053-056>059-063-064-151815- /O.CON.KCTP.WS.W.0002.051215T1800Z-051216T1700Z/ JUNIATA-FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS- 332 AM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 12 PM EST FRIDAY. SNOW WILL DEVELOP ACROSS THE AREA BY EARLY AFTERNOON... AND CONTINUE INTO THIS EVENING BEFORE MIXING WITH...AND EVENTUALLY CHANGING TO A MIXTURE OF SLEET AND FREEZING RAIN BY MID TO LATE EVENING. A MIXTURE OF SLEET AND FREEZING RAIN WILL CONTINUE FOR MUCH OF THE OVERNIGHT HOURS...AND PERHAPS CHANGE TO PLAIN RAIN FOR A TIME LATE TONIGHT OR EARLY FRIDAY MORNING. AT THIS TIME...IT APPEARS THAT 1 TO 3 INCHES OF SNOW AND SLEET WILL ACCUMULATE ACROSS THE AREA BY THIS EVENING. STORM TOTAL SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES ARE CURRENTLY EXPECTED. IN ADDITION...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE QUARTER INCH IS ALSO EXPECTED. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA TONIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ065-066-151815- /O.CON.KCTP.WW.Y.0004.051215T1800Z-051216T1700Z/ YORK-LANCASTER- 332 AM EST THU DEC 15 2005 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 12 PM EST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 12 PM EST FRIDAY. PRECIPITATION WILL START AS SNOW THIS AFTERNOON...AND CONTINUE INTO THE EVENING HOURS. ACCUMULATIONS DURING THE DAYLIGHT HOURS WILL RANGE FROM 1 TO 2 INCHES. BY THIS EVENING...SNOW WILL BEGIN TO MIX WITH AND EVENTUALLY CHANGE TO SLEET AND FREEZING RAIN. THIS WILL CAUSE SLIPPERY TRAVEL CONDITIONS ACROSS THE ADVISORY AREA DURING THE EVENING COMMUTE. THE MIXED PRECIPITATION SHOULD EVENTUALLY CHANGE TO PLAIN RAIN LATE TONIGHT OR AFTER MIDNIGHT...BEFORE BRIEFLY CHANGING BACK TO A LITTLE SNOW ON FRIDAY MORNING. AT THIS TIME...TOTAL SNOW AND SLEET ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED...ALONG WITH ICE ACCRETION OF BETWEEN ONE- TENTH...AND ONE-QUARTER OF AN INCH. THIS COMBINATION OF WINTRY PRECIPITATION WILL MAKE TRAVEL VERY SLIPPERY AND MAY CAUSE SPORATIC POWER OUTAGES. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS MORNING. 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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. $$ DEVOIR
000 WWUS41 KCTP 152030 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EST THU DEC 15 2005 .A WINTER STORM WILL AFFECT MUCH OF CENTRAL PENNSYLVANIA THIS EVENING THROUGH FRIDAY MORNING. PAZ004>006-010>012-017>019-037-041-042-045-160430- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON- 330 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. SNOW...HEAVY AT TIMES...WILL AND PERSIST THROUGH TONIGHT AND INTO FRIDAY MORNING. THE SNOW MAY MIX WITH...OR EVEN CHANGE TO SLEET AND FREEZING RAIN AT TIMES AROUND...AND ESPECIALLY AFTER SUNSET...MAINLY IN AREAS NEAR AND SOUTH OF INTERSTATE 80. THE SNOW WILL TAPER OFF TO SNOW SHOWERS AND FLURRIES BY MIDDAY FRIDAY. A STORM TOTAL SNOW AND SLEET ACCUMULATION OF 5 TO 8 INCHES IS EXPECTED...WITH THE HIGHEST AMOUNTS ALONG AND JUST TO THE NORTH OF INTERSTATE 80. IN ADDITION TO THE SNOW AND SLEET...ICE ACCRETION FROM FREEZING RAIN OF ONE-TENTH TO ONE-QUARTER OF AN INCH WILL BE POSSIBLE TONIGHT SOUTH OF INTERSTATE 80...WHICH MAY CAUSE SPORADIC LOCAL POWER OUTAGES DUE TO DOWNED TREE LIMBS. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ024>027-033>035-160430- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-SOMERSET-BEDFORD-FULTON- 330 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. SNOW...HEAVY AT TIMES...WILL GRADUALLY MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN AT TIMES TOWARD SUNSET. THIS WINTRY MIX WILL THEN PERSIST THROUGH MUCH OF TONIGHT...BEFORE THE PRECIPITATION CHANGES BACK TO LIGHTER SNOW AND SNOW FLURRIES BEFORE DAYBREAK FRIDAY. AT THIS TIME...STORM TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED. IN ADDITION TO THE SNOWFALL...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE-QUARTER TO ONE-HALF OF AN INCH IS EXPECTED...ESPECIALLY FOR AREAS SOUTH OF THE PENNSYLVANIA TURNPIKE. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA LATER TONIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ028-036-046-049>053-056>059-063-064-160430- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ JUNIATA-FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS- 330 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. SNOW WILL GRADUALLY MIX WITH...AND CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN ACROSS THE REGION TOWARD SUNSET. THIS MIXTURE OF SLEET AND FREEZING RAIN WILL THEN CONTINUE FOR MUCH OF THE OVERNIGHT HOURS...AND PERHAPS CHANGE TO PLAIN RAIN FOR A TIME LATE TONIGHT OR EARLY FRIDAY MORNING. AT THIS TIME...IT APPEARS THAT 2 TO 4 INCHES OF SNOW AND SLEET WILL ACCUMULATE ACROSS THE AREA BY THIS EVENING. STORM TOTAL SNOW AND SLEET ACCUMULATIONS OF 3 TO 5 INCHES ARE CURRENTLY EXPECTED. IN ADDITION...A HEAVY...DAMAGING ICE ACCRETION OF AROUND ONE QUARTER INCH IS ALSO EXPECTED. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA LATER TONIGHT INTO FRIDAY MORNING. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ065-066-160430- /O.CON.KCTP.WW.Y.0004.000000T0000Z-051216T1700Z/ YORK-LANCASTER- 330 PM EST THU DEC 15 2005 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. BY THIS EVENING...SNOW WILL BEGIN TO MIX WITH AND EVENTUALLY CHANGE TO SLEET AND FREEZING RAIN. THIS WILL CAUSE SLIPPERY TRAVEL CONDITIONS ACROSS THE ADVISORY AREA DURING THE EVENING COMMUTE. THE MIXED PRECIPITATION SHOULD EVENTUALLY CHANGE TO PLAIN RAIN LATE TONIGHT OR AFTER MIDNIGHT...BEFORE BRIEFLY CHANGING BACK TO A LITTLE SNOW ON FRIDAY MORNING. SNOW WILL GRADUALLY MIX WITH...AND CHANGE TO A MIXTURE OF SLEET AND FREEZING RAIN TOWARD SUNSET. THIS MIXTURE OF SLEET AND FREEZING RAIN WILL THEN PERSIST EARLY TONIGHT...BEFORE CHANGING TO PLAIN RAIN BEFORE MIDNIGHT. THE RAIN WILL THEN TAPER OFF EARLY MONDAY MORNING...POSSIBLY MIXING BACK WITH SNOW. AT THIS TIME...TOTAL SNOW AND SLEET ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED...ALONG WITH ICE ACCRETION OF BETWEEN ONE- TENTH...AND ONE-QUARTER OF AN INCH. THIS COMBINATION OF WINTRY PRECIPITATION WILL MAKE TRAVEL VERY SLIPPERY AND MAY CAUSE SPORADIC POWER OUTAGES. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER THIS EVENING. 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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. $$ KL
000 WWUS41 KCTP 160236 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 936 PM EST THU DEC 15 2005 .A WINTER STORM WILL AFFECT MUCH OF CENTRAL PENNSYLVANIA THIS EVENING THROUGH FRIDAY MORNING. PAZ004>006-010>012-017>019-037-041-042-045-161045- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON- 936 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. ACROSS THE NORTHWEST AND NORTH CENTRAL MOUNTAINS...SNOW...OCCASIONALLY MIXED WITH SLEET AND FREEZING RAIN...WILL PERSIST INTERMITTENTLY OVERNIGHT. A FEW BURSTS OF HEAVIER SNOW WILL REMAIN POSSIBLE...ESPECIALLY AFTER MIDNIGHT. THIS SHOULD PRODUCE ADDITIONAL SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES NEAR AND NORTH OF INTERSTATE 80. ACROSS THE CENTRAL MOUNTAINS...SOUTH OF INTERSTATE 80...A MIX OF SLEET AND FREEZING RAIN WILL GRADUALLY CHANGE BACK TO ALL SNOW AFTER MIDNIGHT AS COLDER AIR MOVES IN ALOFT. THIS SHOULD PRODUCE ADDITIONAL SNOW AND SLEET ACCUMULATIONS OF 1 TO 3 INCHES...WITH THE HIGHER AMOUNTS CLOSE TO INTERSTATE 80. IN ADDITION...ICE ACCRETION OF BETWEEN ONE TENTH...AND ONE QUARTER OF AN INCH WILL BE POSSIBLE FOR AREAS SOUTH OF INTERSTATE 80 BEFORE THE PRECIPITATION CHANGES BACK TO SNOW. THIS ICE ACCRETION MAY CAUSE SPORADIC LOCAL POWER OUTAGES DUE TO DOWNED TREE LIMBS LATER TONIGHT. IN ADDITION...TREACHEROUS TRAVEL CONDITIONS WILL LIKELY PERSIST INTO THE EARLY MORNING HOURS OF FRIDAY. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER TONIGHT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ024>027-033>035-161045- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-SOMERSET-BEDFORD-FULTON- 936 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. A MIX OF SLEET AND FREEZING RAIN WILL PERSIST ACROSS THE SOUTH CENTRAL MOUNTAINS AND LAUREL HIGHLANDS THROUGH MIDNIGHT. HOWEVER...THE PRECIPITATION IS EXPECTED TO CHANGE BACK TO SNOW TOWARD...AND AFTER MIDNIGHT. ADDITIONAL SNOW AND SLEET ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED. IN ADDITION...ADDITIONAL ICE ACCRETION OF ONE TENTH OF AN INCH TO ONE QUARTER OF AN INCH WILL BE POSSIBLE BEFORE THE PRECIPITATION CHANGES BACK TO SNOW. THIS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA LATER TONIGHT INTO FRIDAY MORNING. EXPECT TREACHEROUS TRAVEL CONDITIONS TO PERSIST INTO THE EARLY MORNING HOURS OF FRIDAY. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER TONIGHT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ028-036-046-049>053-056>059-063-064-161045- /O.CON.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ JUNIATA-FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS- 936 PM EST THU DEC 15 2005 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. A MIX OF SLEET AND FREEZING RAIN WILL PERSIST ACROSS THE SOUTH CENTRAL MOUNTAINS...AND LOWER AND MID SUSQUEHANNA VALLEY REGION MUCH OF TONIGHT. THE PRECIPITATION IS EXPECTED TO MIX WITH...OR CHANGE BACK TO SNOW TOWARD DAYBREAK. ADDITIONAL ICE ACCRETION OF ONE TENTH OF AN INCH TO ONE QUARTER OF AN INCH WILL BE POSSIBLE BEFORE ANY CHANGEOVER BACK TO SNOW. SOME PLAIN RAIN WILL ALSO BE POSSIBLE FOR AREAS NEAR AND TO THE SOUTHEAST OF HARRISBURG THROUGH THE EARLY MORNING HOURS...BEFORE THE PRECIPITATION CHANGES BACK TO FREEZING RAIN AGAIN BEFORE DAYBREAK. THE MODERATE ICE ACCUMULATIONS WILL LEAD TO SOME DOWNED TREE LIMBS AND POWER LINES...AND SUBSEQUENT SCATTERED POWER OUTAGES ACROSS THE AREA LATER TONIGHT INTO FRIDAY MORNING. IN ADDITION...TREACHEROUS TRAVEL CONDITIONS WILL CONTINUE MUCH OF TONIGHT...AND INTO THE FRIDAY MORNING COMMUTE. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER TONIGHT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. $$ PAZ065-066-161045- /O.CON.KCTP.WW.Y.0004.000000T0000Z-051216T1700Z/ YORK-LANCASTER- 936 PM EST THU DEC 15 2005 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST FRIDAY. RAIN WILL CONTINUE ACROSS THE ADVISORY AREA MUCH OF TONIGHT. HOWEVER...AS COLDER AIR DRAINS BACK TO THE SOUTH AND EAST BEFORE DAYBREAK...THE PRECIPITATION MAY CHANGE BACK TO SLEET AND FREEZING RAIN. THIS MAY LEAD TO ADDITIONAL TREACHEROUS TRAVEL CONDITIONS TOWARD DAYBREAK...AND POSSIBLY INTO THE FRIDAY MORNING COMMUTE. ADDITIONAL ICE ACCRETION OF LESS THAN ONE TENTH OF AN INCH WILL BE POSSIBLE BEFORE DAYBREAK. AN UPDATE TO THIS STATEMENT WILL BE ISSUED LATER TONIGHT. 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. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY SPOTS DEVELOP FIRST. $$ KL/BL
000 WWUS41 KCTP 160918 WSWCTP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 418 AM EST FRI DEC 16 2005 .A WINTER STORM WAS WINDING DOWN ACROSS CENTRAL PENNSYLVANIA THIS MORNING AS LOW PRESSURE TRACKED ACROSS SOUTHERN NEW JERSEY. PAZ004-019-024>028-033>036-045-046-049>053-056>059-063-064-161030- /O.CAN.KCTP.WS.W.0002.000000T0000Z-051216T1700Z/ WARREN-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA- SOMERSET-BEDFORD-FULTON-FRANKLIN-SOUTHERN CLINTON- SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA- PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS- 418 AM EST FRI DEC 16 2005 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW WILL TAPER TO FLURRIES EARLY THIS MORNING OVER MOST OF CENTRAL PENNSYLVANIA WITH LITTLE ADDITIONAL ACCUMULATION EXPECTED. FURTHER EAST...RAIN IN THE SUSQUEHANNA VALLEY MAY CHANGE TO A BRIEF PERIOD OF LIGHT SNOW BEFORE ENDING BY DAWN. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE...AT WEATHER.GOV/STATECOLLEGE...ALL IN LOWER CASE. $$ PAZ065-066-161030- /O.CAN.KCTP.WW.Y.0004.000000T0000Z-051216T1700Z/ YORK-LANCASTER- 418 AM EST FRI DEC 16 2005 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE WINTER WEATHER ADVISORY. SCATTERED RAIN OR SNOW SHOWERS WILL AFFECT THE AREA UNTIL AROUND DAWN. NO SNOW ACCUMULATION IS EXPECTED. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE...AT WEATHER.GOV/STATECOLLEGE...ALL IN LOWER CASE. $$ PAZ005-006-010>012-017-018-037-041-042-161200- /O.EXT.KCTP.WS.W.0002.000000T0000Z-051216T1200Z/ MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- 418 AM EST FRI DEC 16 2005 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM EST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 7 AM EST THIS MORNING. LOW PRESSURE...LOCATED NEAR PHILADELPHIA EARLY THIS MORNING...WILL TRACK NORTHEAST TODAY. A MIXTURE OF SNOW AND ICE WILL CHANGE TO ALL SNOW BEFORE ENDING BY AROUND DAWN. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 5 AND 7 AM WILL GENERALLY BE AN INCH OR LESS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED. THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE...AT WEATHER.GOV/STATECOLLEGE...ALL IN LOWER CASE. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before this winter storm warning went out at Dec 14, 10:58 AM EST, 4 hours 16 minutes earlier.
Area forecast discussion, Dec 14, 10:58 AM EST, 4 hours 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 1058 AM EST WED DEC 14 2005 .SHORT TERM (REST OF TODAY THROUGH FRIDAY)... BIG MODEL DIFFERENCES STILL EXIST LATE THIS MORNING BETWEEN THE MAIN DETERMINISTIC MODELS (NAM AND GFS). GFS HAS PROVEN TO HAVE A BETTER TRACK RECORD WITH EAST COAST SYSTEMS (THIS SEASON SO FAR INCLUDED) AND TENDS TO BE EAST AND COLDER THAN THE NAMS. WITH THIS IN MIND...IN COORDINATION/COLLABORATION WITH KLWX AND KPHI...WE DECIDED TO EXPAND OUR CURRENT WINTER STORM WATCH TO INCLUDE YORK...ADAMS AND LANCASTER COUNTIES IN SERN PENN WHERE SIGNIFICANT ICING IS THE MAIN THREAT. THE PRIMARY DIFFERENCE OBSERVED BETWEEN THE NAM AND GFS APPEARS TO BE THE LACK OF LAYER COOLING VIA EVAPORATION AND SUBSEQUENT STRONG UPWARD VERTICAL MOTION. NAM LAGS THE GFS IN 925-850 MB WET BULB COOLING THURSDAY AFTERNOON AND NIGHT BY SOME 3-6 DEG C...WHICH LEADS TO A MUCH QUICKER CHANGEOVER AND LIMITED SNOWFALL OVER ALL BUT THE NORTH AND WEST. ANOTHER FACTOR IS AFTER A PERFECT RADIATIONAL COOLING NIGHT AND RECORD LOW TEMPS...THICK HIGH CLOUD SHIELD THATS OVERSPREAD THE REGION WAS KEEPING TEMPS UP TO SEVERAL DEG COLDER THAN MAV AND MET GUIDANCE TEMPS. THIS ALONG WITH LINEAR EXTRAPOLATION (WITHOUT A FURTHER EASTWARD STORM TRACK) WOULD LEAD TO A GREATER ICING THREAT IN THE SOUTH AND EAST AND MORE SNOW (DISPLAYED IN OUR GRIDS) FALLING ACROSS THE CENTRAL AND NW MTNS. SREF PLUME DIAGRAMS ARE LEANING TO THE COLDER SOLUTION. FOR EXAMPLE THE MEAN FZRA ACCUMULATION FOR KMDT IS AROUND 0.20 WITH THE MAX VALUE OF 0.35 ON TOP OF 2-4 INCHES OF SNOW. FOR KUNV...THE MEAN AND MAX FZRA OFF THE SREF PLUMES COMES IN A 0.22 AND 0.7...PRECEDED BY A MEAN OF 4 OF SNOW WITH THE MAX AMOUNT BY ONE COLDER MEMBER AROUND 10. MOSTLY SNOW 6 TO 12 IS DISPLAYED BY THE PLUME DIAGRAMS ACROSS THE NW MTNS. && .PREVIOUS DISCUSSION... (ISSUED 313 AM EST WED DEC 14 2005) SHORT TERM (TODAY THROUGH TONIGHT)... HIGH LEVEL MOISTURE STREAMING EASTWARD THROUGH THE OHIO VALLEY TAKING ON A MOTHEATEN APPEARANCE AS IT DOES SO...HEADING INTO A RATHER SHARP 500 MB SHORTWAVE RIDGE. STRONG 1040+ MB SFC HIGH OVER SOUTHERN QUEBEC PRODUCING STRONG DAMMING SIGNATURE EAST OF THE ALLEGENY PLATEAU...EXTENDING FAR SOUTHWARD TO THE CAROLINAS. CURRENT TEMPERATURE RANGE ACROSS CENTRAL PA IS THE SINGLE DIGITS (ABOVE AND BELOW ZERO). LOTS OF COLD AIR TO OVERCOME IN THE NEXT 24 TO 36 HOURS. RIBBON OF DECAYING UPPER LEVEL MOISTURE WILL TRANSLATE EASTWARD INTO WESTERN PA TODAY...FILTERING THE SUNSHINE SOMEWHAT. BY THIS EVENING...EXPECT THE HIGH CLOUDS TO HAVE DISSIPATED...WITH CLEAR TO PARTLY CLOUDY SKIES THROUGH MIDNIGHT FOR MOST LOCATIONS. AFT 06 UTC...CLOUD COVER SHOULD RAPIDLY INCREASE ACROSS THE FAR SOUTHWEST AS OUR POTENTIAL WINTER STORM APPROACHES THE REGION. TEMPERATURES...AS A RESULT...WILL REBOUND AND BE NEARLY 15 DEGREES WARMER TOMORROW NIGHT THAN THIS MORNING. SNOW MAY BREAK OUT TOWARDS 12 UTC THURSDAY OVER THE LAURELS...BUT WITH LITTLE ACCUMULATION UNTIL AFT 12 UTC. LONG TERM (THURSDAY THROUGH TUESDAY)... CONCERNS OVER PTYPE CONTINUE TO ABOUND FOR THURSDAY AND THURSDAY NIGHT. CLASSIC COLD AIR DAMMING SIGNATURE WITH ANOMALOUS SFC HIGH LEADS ME TO BELIEVE THE NAM HAS BEEN OVERDOING THE WARMING IN THE BOUNDARY LAYER...LEADING TO MORE MIXED PRECIPITATION ACROSS THE CENTRAL MOUNTAINS. SREF PLUMES SHOW AGREEMENT OF MEMBERS FOR PRECIPITATION STARTING AS SNOW EVERYWHERE DURING THE DAY THURSDAY. THE FAR SOUTHEAST QUICKLY CHANGES TO A MIXTURE OF SLEET AND FREEZING RAIN...THEN EVENTUALLY TO RAIN...WITH ZR AMOUNTS FAR TOO LOW TO CONSIDER WS WATCH FOR ADAMS...YORK AND LANCASTER. FURTHER NORTH...PLUMES SHOW SEVERAL HOURS OF ACCUMULATING SNOW...MIXING WITH SLEET THURSDAY EVENING...AND CHANGING BACK TO SNOW FRIDAY MORNING AS THE LOW WINDS UP OVER SOUTHERN NEW JERSEY. AND FROM JUST NORTH OF THE LAUREL MOUNTAINS THROUGH NORTHWEST AND NORTH CENTRAL PA...PLAIN SNOW IS THE ORDER OF THE DAY. SNOW AMOUNTS WITH THE MIXING ARE PROBLEMATIC. ASSUMED A 7:1 RATIO WITH QPF VALUES 1 INCH W.E. - SO MAX AMOUNTS TOPPING OUT NEAR 7 INCHES IN MY GRIDS OVER THE CENTRAL MOUNTAINS...WHERE QPF WAS HIGHEST. FURTHER WEST AND NORTH...AMOUNTS DROP OFF SOMEWHAT IN THE W.E...SO EVEN THOUGH THOSE AREAS STAY MOSTLY SNOW...THE AMOUNTS SHOULD END UP LESS BUT STILL WITHIN WATCH CRITERIA. TO THE SOUTHEAST OF THE MAX SNOWFALL...SIGNIFICANT ICE ACCUMULATION WILL BE POSSIBLE...MAINLY SOUTHEAST OF A STATE COLLEGE TO ALTOONA LINE. SNOWFALL ACCUMULATIONS WILL ONLY BE ON THE ORDER OF 2 TO 4 INCHES THERE...BUT SLEET AND ICE ACCUMULATIONS COULD EASILY EXCEED 0.25. CONFIDENCE ON MEETING WATCH CRITERIA IS CERTAINLY 50/50 FROM FRANKLIN COUNTY NORTHEASTWARD TO SCHUYLKILL COUNTY...BUT GIVEN THE MAGNITUDE OF THE DAMMING...CAUTION IS THE ORDER OF THE DAY IN PLACES LIKE DAUPHIN AND CUMBERLAND COUNTY. A SLIGHT DEVIATION IN THE TRACK OF THE SFC LOW WILL MEAN MORE WARM AIR INTRUSION INTO THE MIDDLE SUSQUEHANNA RIVER VALLEY AND SOUTH CENTRAL MOUNTAINS...AND LESS IN THE WAY OF A SNOW/ICE THREAT. TOO EARLY FOR SPECIFICS...BUT A WATCH IS DEFINITELY WARRANTED GIVEN THE THREAT. THINGS SHOULD WIND DOWN BY MIDDAY FRIDAY...FOLLOWED BY A RATHER PROLONGED LAKE EFFECT REGIME WHICH WILL LAST FROM FRIDAY NIGHT THROUGH EARLY TUESDAY OF NEXT WEEK. AVIATION... VFR CONDITIONS EXPECTED ACROSS THE REGION INTO MID MORNING THU AM. THERE COULD BE AN ISOLATED AREA OR TWO OF FOG AND SMOKE EARLY THIS AM...GIVEN A STRONG INVERSION. && .CTP WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH FOR PAZ004>006-010>012-017>019-024>028- 033>037-041-042-045-046-049>053-056>059-063>066 FROM 7 AM THURSDAY TO NOON FRIDAY. && SHORT TERM...LAMBERT
Hazardous weather outlook, Dec 14, 4:53 AM EST, 10 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 453 AM EST WED DEC 14 2005 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056>059-063>066-151000- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 453 AM EST WED DEC 14 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A STORM SYSTEM DEVELOPING OVER THE CENTRAL PLAINS AND SOUTHEASTERN STATES WILL BRING SNOW TO CENTRAL PENNSYLVANIA BEGINNING THURSDAY MORNING ACROSS THE LAUREL HIGHLANDS...AND OVERSPREADING THE REMAINDER OF PENNSYLVANIA BY EARLY THURSDAY AFTERNOON. SEVERAL INCHES OF SNOW MAY ACCUMULATE OVER A LARGE PORTION OF CENTRAL PENNSYLVANIA BY MIDDAY FRIDAY. SOUTHERN AND EASTERN PORTIONS MAY SEE THE SNOW MIX WITH AND CHANGE TO SLEET AND FREEZING RAIN LATE THURSDAY EVENING...AND A SIGNIFICANT ACCUMULATION OF ICE IS POSSIBLE IN THESE AREAS LATE THURSDAY NIGHT INTO FRIDAY.
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 3:40 AM EST | Winter Storm Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 14 hr |
| Dec 14, 5:30 PM EST | Winter Weather Advisory | CTP | Lancaster, York | 35 hr |
Nearby
Winter Storm Warnings in Pennsylvania, 2005Every winter storm warning in 2005
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.