Alert archive / Pennsylvania / Wind Advisories in 2021

Wind Advisory 6, NWS State College, PA

December 10, 202133 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Dec 10, 2021, 11:15 AM EST for 33 counties in Pennsylvania. It took effect at Dec 11, 2021, 1:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2021, 11:15 AM EST (16:15 UTC)
In effect from
Dec 11, 2021, 1:00 PM EST
Expired
Dec 12, 2021, 1:00 AM EST
In force
12 hr
Issued by
NWS State College, PA
All 33 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, Lancaster 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, York County, PA

The radar

The State College radar (KCCX), 43 km from the middle of the area, began a volume at 16:18 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 12:00Z, 4.3 hours before the alert went out and 201 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 12:00Z on 2021-12-10Temperature 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 12:00Z on 2021-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.19395878Sfc1 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
1215 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

583 
WWUS71 KCTP 101615
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
1115 AM EST Fri Dec 10 2021

PAZ004>006-010-011-017-024-033-110415-
/O.NEW.KCTP.WI.Y.0006.211211T1800Z-211212T0600Z/
Warren-McKean-Potter-Elk-Cameron-Clearfield-Cambria-Somerset-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, DuBois, Clearfield, Johnstown, and Somerset
1115 AM EST Fri Dec 10 2021

...WIND ADVISORY IN EFFECT FROM 1 PM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 55 mph 
  expected.

* WHERE...Warren, McKean, Potter, Elk, Cameron, Clearfield, 
  Cambria and Somerset Counties.

* WHEN...From 1 PM Saturday to 1 AM EST Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...The strongest wind and gusts Saturday
  afternoon and evening will occur a few hours before and after a
  strong cold front passes through. Thunderstorms with even
  stronger wind gusts are also possible. The highest gusts will be
  on the ridge tops. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-110415-
/O.NEW.KCTP.WI.Y.0006.211211T2100Z-211212T0600Z/
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, and Lancaster
1115 AM EST Fri Dec 10 2021

...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Portions of central Pennsylvania.

* WHEN...From 4 PM Saturday to 1 AM EST Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...The strongest wind and gusts Saturday
  afternoon and evening will occur along with and shortly after a
  strong cold front passes through. Thunderstorms with even 
  stronger wind gusts are also possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/ctp
3 follow-up statements
683 
WWUS71 KCTP 110345
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
1045 PM EST Fri Dec 10 2021

PAZ004>006-010-011-017-024-033-111545-
/O.CON.KCTP.WI.Y.0006.211211T1800Z-211212T0600Z/
Warren-McKean-Potter-Elk-Cameron-Clearfield-Cambria-Somerset-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, DuBois, Clearfield, Johnstown, and Somerset
1045 PM EST Fri Dec 10 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts to around 50 mph
  expected.

* WHERE...Cambria, Clearfield, Somerset, Elk, Cameron, McKean, 
  Warren and Potter Counties.

* WHEN...The strongest winds are likely between 5 pm and 9 pm. 

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-111545-
/O.CON.KCTP.WI.Y.0006.211211T2100Z-211212T0600Z/
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, and Lancaster
1045 PM EST Fri Dec 10 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...West winds 15 to 25 mph with gusts to around 50 mph 
  expected.

* WHERE...Portions of central Pennsylvania.

* WHEN...The strongest winds are expected between 6 pm and 11 pm. 

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/ctp
767 
WWUS71 KCTP 110837
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
337 AM EST Sat Dec 11 2021

PAZ004>006-010-011-017-024-033-120600-
/O.CON.KCTP.WI.Y.0006.211211T1800Z-211212T0600Z/
Warren-McKean-Potter-Elk-Cameron-Clearfield-Cambria-Somerset-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, DuBois, Clearfield, Johnstown, and Somerset
337 AM EST Sat Dec 11 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 AM EST SUNDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts 45 to 55 mph 
  expected.

* WHERE...Cambria, Clearfield, Somerset, Elk, Cameron, McKean, 
  Warren and Potter Counties.

* WHEN...The strongest winds are expected between 5 PM and 10 PM.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects including holiday
decorations. 

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-120600-
/O.CON.KCTP.WI.Y.0006.211211T2100Z-211212T0600Z/
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, and Lancaster
337 AM EST Sat Dec 11 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 AM EST SUNDAY...

* WHAT...West winds 15 to 25 mph with gusts 45 to 55 mph 
  expected.

* WHERE...Portions of central Pennsylvania.

* WHEN...The strongest winds are expected between 6 PM and 11 PM.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects including holiday
decorations. 

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/ctp
469 
WWUS71 KCTP 120600
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
100 AM EST Sun Dec 12 2021

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-120700-
/O.EXP.KCTP.WI.Y.0006.000000T0000Z-211212T0600Z/
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-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Johnstown, Altoona, Huntingdon, Mount Union, 
Lewistown, Mifflintown, Somerset, 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, 
and Lancaster
100 AM EST Sun Dec 12 2021

...WIND ADVISORY HAS EXPIRED...

Wind gusts have fallen below advisory criteria and will continue
to subside overnight through early this morning. 

$$

For more information from the National Weather Service visit
http://weather.gov/ctp

Nearby

Wind Advisories in Pennsylvania, 2021Every wind advisory in 2021

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.