Alert archive / Pennsylvania / Wind Advisories in 2012

Wind Advisory 9, NWS State College, PA

December 21, 201225 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Dec 21, 2012, 5:37 AM EST for 25 counties in Pennsylvania. It took effect at Dec 21, 2012, 4:00 PM EST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2012, 5:37 AM EST (10:37 UTC)
In effect from
Dec 21, 2012, 4:00 PM EST
Expired
Dec 22, 2012, 7:00 PM EST
In force
27 hr
Issued by
NWS State College, PA
All 25 counties

Adams County, PA, Bedford County, PA, Blair County, PA, Centre County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Lycoming County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, York County, PA

The radar

The State College radar (KCCX), 76 km from the middle of the area, began a volume at 10:40 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 10.6 hours before the alert went out and 185 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2012-12-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2012-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 607 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
607 m²/s²
0-3 km storm-relative helicity
893 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

451 
WWUS71 KCTP 211037
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
537 AM EST FRI DEC 21 2012

...STRONG AND GUSTY WINDS DEVELOPING THIS AFTERNOON AND CONTINUING
THROUGH SATURDAY...

.POWERFUL LOW PRESSURE MOVING NORTH OF THE REGION WILL LEAD TO
INCREASING WINDS THIS AFTERNOON THROUGH THE DAY SATURDAY. WIND
GUSTS WILL PEAK AROUND 45 MPH LATE TODAY...AND LIKELY TOP OUT
BETWEEN 50 AND 55 MPH DURING THE MIDDAY AND AFTERNOON HOURS
SATURDAY. 

PAZ019-025>028-034>036-045-046-049>053-056>059-063>066-220400-
/O.NEW.KCTP.WI.Y.0009.121221T2100Z-121223T0000Z/
SOUTHERN CENTRE-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-
FRANKLIN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...STATE COLLEGE...ALTOONA...HUNTINGDON...
MOUNT UNION...LEWISTOWN...MIFFLINTOWN...BEDFORD...
MCCONNELLSBURG...CHAMBERSBURG...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...LANCASTER
537 AM EST FRI DEC 21 2012

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM
EST SATURDAY. 

* WINDS...SOUTHWEST TO WEST 15 TO 25 MPH TODAY WITH GUSTS AROUND
  45 MPH LATE THIS AFTERNOON. WINDS WILL BECOME WEST TO NORTHWEST
  TONIGHT AND SATURDAY AND INCREASE TO SUSTAINED SPEEDS OF 20 TO
  30 MPH...WITH GUSTS AS HIGH AS 50 TO 55 MPH.

* TIMING...LATE THIS AFTERNOON INTO EARLY SATURDAY EVENING.

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND PERHAPS
  SOME ISOLATED POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR
  HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH SOUTH ROADS WHERE
  STRONG CROSS-WINDS WILL OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. WINDS THIS STRONG MAY CAUSE
MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN
HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WIND SUBSIDES.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES.

&&

$$

LAMBERT/CERU
4 follow-up statements
678 
WWUS71 KCTP 211608
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1108 AM EST FRI DEC 21 2012

PAZ012-018-037-041-042-220900-
/O.EXA.KCTP.WI.Y.0009.121221T2100Z-121223T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-
INCLUDING THE CITIES OF...RENOVO...PHILIPSBURG...MANSFIELD...
WELLSBORO...TROUT RUN...LAPORTE
1108 AM EST FRI DEC 21 2012

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM
EST SATURDAY. 

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH LATE THIS
  AFTERNOON...BECOMING WEST NORTHWEST 20 TO 25 MPH WITH GUSTS UP
  TO 50 MPH LATE TONIGHT THROUGH SATURDAY.

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND ISOLATED
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE
  VEHICLES...ESPECIALLY ON NORTH-SOUTH ROADS WHERE STRONG CROSS-
  WINDS WILL OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. STAY TUNED TO NOAA WEATHER
RADIO AND WEATHER.GOV/STATECOLLEGE FOR ADDITIONAL DETAILS OR
UPDATES.

&&

$$

PAZ019-025>028-034>036-045-046-049>053-056>059-063>066-220900-
/O.CON.KCTP.WI.Y.0009.121221T2100Z-121223T0000Z/
SOUTHERN CENTRE-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-
FRANKLIN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...STATE COLLEGE...ALTOONA...HUNTINGDON...
MOUNT UNION...LEWISTOWN...MIFFLINTOWN...BEDFORD...
MCCONNELLSBURG...CHAMBERSBURG...LOCK HAVEN...WILLIAMSPORT...
LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...
BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG...HERSHEY...
POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK...LANCASTER
1108 AM EST FRI DEC 21 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM EST SATURDAY...

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH LATE THIS
  AFTERNOON...BECOMING WEST NORTHWEST 20 TO 30 MPH WITH GUSTS UP
  TO 50 MPH LATE TONIGHT THROUGH SATURDAY.

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND ISOLATED
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE
  VEHICLES...ESPECIALLY ON NORTH-SOUTH ROADS WHERE STRONG CROSS-
  WINDS WILL OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. STAY TUNED TO NOAA WEATHER
RADIO AND WEATHER.GOV/STATECOLLEGE FOR ADDITIONAL DETAILS OR
UPDATES.

&&

$$

MS
593 
WWUS71 KCTP 220709
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
209 AM EST SAT DEC 22 2012

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-230000-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-121223T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...RENOVO...PHILIPSBURG...STATE COLLEGE...
ALTOONA...HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...MANSFIELD...WELLSBORO...
TROUT RUN...LAPORTE...LOCK HAVEN...WILLIAMSPORT...LEWISBURG...
SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...BLOOMSBURG...
BERWICK...NEWPORT...HARRISBURG...HERSHEY...POTTSVILLE...LEBANON...
CARLISLE...GETTYSBURG...YORK...LANCASTER
209 AM EST SAT DEC 22 2012

...A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WINDS...WEST TO NORTHWEST 20 TO 30 MPH WITH OCCASIONAL GUSTS
  AROUND 50 MPH THROUGH TODAY. THE STRONGEST WIND GUSTS WILL OCCUR
  FROM THE LATE MORNING THROUGH MID AFTERNOON HOURS. 

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND ISOLATED
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE
  VEHICLES...ESPECIALLY ON NORTH-SOUTH ROADS WHERE STRONG CROSS-WINDS
  WILL OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. STAY TUNED TO NOAA WEATHER
RADIO AND WEATHER.GOV/STATECOLLEGE FOR ADDITIONAL DETAILS OR
UPDATES.

&&

$$

LAMBERT/CERU
180 
WWUS71 KCTP 221457
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
957 AM EST SAT DEC 22 2012

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-222300-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-121223T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...RENOVO...PHILIPSBURG...STATE COLLEGE...
ALTOONA...HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...MANSFIELD...WELLSBORO...
TROUT RUN...LAPORTE...LOCK HAVEN...WILLIAMSPORT...LEWISBURG...
SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...BLOOMSBURG...
BERWICK...NEWPORT...HARRISBURG...HERSHEY...POTTSVILLE...LEBANON...
CARLISLE...GETTYSBURG...YORK...LANCASTER
957 AM EST SAT DEC 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WINDS...WEST TO NORTHWEST 20 TO 30 MPH WITH OCCASIONAL GUSTS
  AROUND 50 MPH THIS AFTERNOON. 

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND 
  ISOLATED POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR HIGH 
  PROFILE VEHICLES...ESPECIALLY ON NORTH-SOUTH ROADS WHERE 
  STRONG CROSS-WINDS WILL OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. STAY TUNED TO NOAA WEATHER
RADIO AND WEATHER.GOV/STATECOLLEGE FOR ADDITIONAL DETAILS OR
UPDATES.

&&

$$
589 
WWUS71 KCTP 221858
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
158 PM EST SAT DEC 22 2012

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-230000-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-121223T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
INCLUDING THE CITIES OF...RENOVO...PHILIPSBURG...STATE COLLEGE...
ALTOONA...HUNTINGDON...MOUNT UNION...LEWISTOWN...MIFFLINTOWN...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG...MANSFIELD...WELLSBORO...
TROUT RUN...LAPORTE...LOCK HAVEN...WILLIAMSPORT...LEWISBURG...
SELINSGROVE...DANVILLE...SUNBURY...SHAMOKIN...BLOOMSBURG...
BERWICK...NEWPORT...HARRISBURG...HERSHEY...POTTSVILLE...LEBANON...
CARLISLE...GETTYSBURG...YORK...LANCASTER
158 PM EST SAT DEC 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WINDS...WEST TO NORTHWEST 20 TO 30 MPH WITH OCCASIONAL GUSTS 
  AROUND 50 MPH THIS AFTERNOON. 

* IMPACTS...MINOR PROPERTY DAMAGE...DOWNED TREE LIMBS AND 
  ISOLATED POWER OUTAGES. DIFFICULT DRIVING CONDITIONS FOR HIGH 
  PROFILE VEHICLES...ESPECIALLY ON NORTH-SOUTH ROADS WHERE 
  STRONG CROSS-WINDS WILL OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. STAY TUNED TO NOAA WEATHER
RADIO AND WEATHER.GOV/STATECOLLEGE FOR ADDITIONAL DETAILS OR
UPDATES.

&&

$$

DANGELO

Nearby

Wind Advisories in Pennsylvania, 2012Every wind advisory in 2012

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.