Alert archive / Pennsylvania / Wind Advisories in 2021

Wind Advisory 1, NWS State College, PA

March 1, 202132 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Mar 1, 2021, 3:40 AM EST for 32 counties in Pennsylvania. It took effect at Mar 1, 2021, 1:00 PM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2021, 3:40 AM EST (08:40 UTC)
In effect from
Mar 1, 2021, 1:00 PM EST
Expired
Mar 2, 2021, 3:04 AM EST
In force
14 hr
Issued by
NWS State College, PA
All 32 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, York County, PA

The radar

The State College radar (KCCX), 49 km from the middle of the area, began a volume at 08:43 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, 8.7 hours before the alert went out and 197 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 2021-03-01Temperature 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 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 309 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
547 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
309 m²/s²
0-3 km storm-relative helicity
419 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

091 
WWUS71 KCTP 010840
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
340 AM EST Mon Mar 1 2021

PAZ018-019-025>027-034>036-045-012045-
/O.NEW.KCTP.WI.Y.0001.210301T1800Z-210302T1200Z/
/O.CON.KCTP.FG.Y.0001.000000T0000Z-210301T1300Z/
Northern Centre-Southern Centre-Blair-Huntingdon-Mifflin-Bedford-
Fulton-Franklin-Southern Clinton-
Including the cities of Philipsburg, State College, Altoona, 
Huntingdon, Mount Union, Lewistown, Bedford, McConnellsburg, 
Chambersburg, and Lock Haven
340 AM EST Mon Mar 1 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM EST
TUESDAY...

* WHAT...For the Dense Fog Advisory, visibility less than one mile
  in dense fog. For the Wind Advisory, northwest winds 15 to 25
  mph expected, with occasional gusts of 40 to 50 mph.

* WHERE...Northern Centre, Southern Centre, Blair, Huntingdon, 
  Mifflin, Bedford, Fulton, Franklin and Southern Clinton 
  Counties.

* WHEN...For the Dense Fog Advisory, until 8 AM EST this 
  morning. For the Wind Advisory, from 1 PM this afternoon to 7 
  AM EST Tuesday.

* IMPACTS...Hazardous driving conditions due to low visibility in
  the Dense Fog early today. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result.
 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving early today and you encounter dense fog, slow down, 
use your low- beam headlights, and leave plenty of distance ahead 
of you for safe braking. During the period of expected gusty winds
this afternoon through early Tuesday, Use extra caution when 
driving, especially if operating a high profile vehicle. Secure 
outdoor objects.

For dense fog safety information, visit weather.gov/fog.

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.

&&

$$

PAZ028-049-050-052-056>059-063>066-012045-
/O.NEW.KCTP.WI.Y.0001.210301T1800Z-210302T1500Z/
/O.CON.KCTP.FG.Y.0001.000000T0000Z-210301T1300Z/
Juniata-Union-Snyder-Northumberland-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Lewisburg, Selinsgrove, 
Sunbury, Shamokin, Newport, Harrisburg, Hershey, Pottsville, 
Lebanon, Carlisle, Gettysburg, York, and Lancaster
340 AM EST Mon Mar 1 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST
TUESDAY...

* WHAT...For the Dense Fog Advisory, visibility less than one mile
  in dense fog. For the Wind Advisory, northwest winds 15 to 25
  mph expected, with occasional gusts of 40 to 50 mph.

* WHERE...Portions of central Pennsylvania.

* WHEN...For the Dense Fog Advisory, until 8 AM EST this 
  morning. For the Wind Advisory, from 1 PM this afternoon to 10 
  AM EST Tuesday.

* IMPACTS...Hazardous driving conditions due to low visibility.
  Gusty winds could blow around unsecured objects. Tree limbs
  could be blown down and a few power outages may result. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving early today and you encounter dense fog, slow down, 
use your low- beam headlights, and leave plenty of distance ahead 
of you for safe braking. During the period of expected gusty winds
this afternoon through early Tuesday, Use extra caution when 
driving, especially if operating a high profile vehicle. Secure 
outdoor objects.

For dense fog safety information, visit weather.gov/fog.

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.

&&

$$

PAZ005-006-010>012-017-024-033-012045-
/O.NEW.KCTP.WI.Y.0001.210301T1800Z-210302T1200Z/
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-Cambria-
Somerset-
Including the cities of Bradford, Coudersport, St. Marys, 
Ridgway, Emporium, Renovo, DuBois, Clearfield, Johnstown, 
and Somerset
340 AM EST Mon Mar 1 2021

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM EST
TUESDAY...

* WHAT...northwest winds 15 to 25 mph expected, with occasional 
  gusts of 40 to 50 mph.

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

* WHEN...From 1 PM this afternoon to 7 AM EST Tuesday.

* 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.

&&

$$

PAZ037-041-042-046-051-053-012045-
/O.NEW.KCTP.WI.Y.0001.210301T1800Z-210302T1500Z/
Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Montour-
Columbia-
Including the cities of Mansfield, Wellsboro, Trout Run, Laporte,
Williamsport, Danville, Bloomsburg, and Berwick
340 AM EST Mon Mar 1 2021

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST
TUESDAY...

* WHAT...Northwest winds 15 to 25 mph expected. Occasional peak
  gusts of 40 to 50 mph.

* WHERE...Tioga, Northern Lycoming, Sullivan, Southern Lycoming, 
  Montour and Columbia Counties.

* WHEN...From 1 PM this afternoon to 10 AM EST Tuesday.

* 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

Lambert/Evanego
3 follow-up statements
542 
WWUS71 KCTP 011219
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
719 AM EST Mon Mar 1 2021

PAZ018-019-025>027-034>036-045-020030-
/O.CAN.KCTP.FG.Y.0001.000000T0000Z-210301T1300Z/
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1200Z/
Northern Centre-Southern Centre-Blair-Huntingdon-Mifflin-Bedford-
Fulton-Franklin-Southern Clinton-
Including the cities of Philipsburg, State College, Altoona, 
Huntingdon, Mount Union, Lewistown, Bedford, McConnellsburg, 
Chambersburg, and Lock Haven
719 AM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM EST TUESDAY...
...DENSE FOG ADVISORY IS CANCELLED...

* WHAT...Visibility will continue to improve steadily this morning
  as rain ends and a strong cold front brings drier and colder air
  into the region on a gusty northwest wind. Sustained northwest 
  winds 15 to 25 mph are expected, with occasional gusts of 40 to 
  50 mph.

* WHERE...Fulton, Northern Centre, Southern Centre, Bedford, 
  Franklin, Mifflin, Huntingdon, Blair and Southern Clinton 
  Counties.

* WHEN...From 1 PM this afternoon to 7 AM EST Tuesday.

* IMPACTS...Gusty winds will make travel difficult in high profile
  vehicles and 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.

&&

$$

PAZ028-049-050-052-056>059-063>066-020030-
/O.CAN.KCTP.FG.Y.0001.000000T0000Z-210301T1300Z/
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1500Z/
Juniata-Union-Snyder-Northumberland-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Lewisburg, Selinsgrove, 
Sunbury, Shamokin, Newport, Harrisburg, Hershey, Pottsville, 
Lebanon, Carlisle, Gettysburg, York, and Lancaster
719 AM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM EST TUESDAY...
...DENSE FOG ADVISORY IS CANCELLED...

* WHAT...Visibility will continue to improve steadily this morning
  as rain ends and a strong cold front brings drier and colder air
  into the region on a gusty northwest wind. Sustained northwest
  winds 15 to 25 mph are expected, with occasional gusts of 40 to
  50 mph.

* WHERE...Portions of central Pennsylvania.

* WHEN...From 1 PM this afternoon to 10 AM EST Tuesday.

* IMPACTS...Gusty winds will make travel difficult in high profile
  vehicles and 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.

&&

$$

PAZ005-006-010>012-017-024-033-020030-
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1200Z/
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-Cambria-
Somerset-
Including the cities of Bradford, Coudersport, St. Marys, 
Ridgway, Emporium, Renovo, DuBois, Clearfield, Johnstown, 
and Somerset
719 AM EST Mon Mar 1 2021

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

* WHAT...Northwest winds 15 to 25 mph expected, with occasional 
  gusts of 40 to 50 mph.

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

* WHEN...From 1 PM this afternoon to 7 AM EST Tuesday.

* 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.

&&

$$

PAZ037-041-042-046-051-053-020030-
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1500Z/
Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Montour-
Columbia-
Including the cities of Mansfield, Wellsboro, Trout Run, Laporte,
Williamsport, Danville, Bloomsburg, and Berwick
719 AM EST Mon Mar 1 2021

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

* WHAT...Northwest winds 15 to 25 mph expected. Occasional peak 
  gusts of 40 to 50 mph.

* WHERE...Tioga, Northern Lycoming, Sullivan, Southern Lycoming, 
  Montour and Columbia Counties.

* WHEN...From 1 PM this afternoon to 10 AM EST Tuesday.

* 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
929 
WWUS71 KCTP 011650
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
1150 AM EST Mon Mar 1 2021

PAZ005-006-010>012-017>019-024>027-033>036-045-021200-
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1200Z/
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Somerset-Bedford-Fulton-Franklin-Southern Clinton-
Including the cities of Bradford, Coudersport, St. Marys, 
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Johnstown, Altoona, Huntingdon, Mount Union, 
Lewistown, Somerset, Bedford, McConnellsburg, Chambersburg, 
and Lock Haven
1150 AM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY...

* WHAT...Winds 15 to 25 mph from the northwest with maximum gusts
  45 to 50 mph expected.

* WHERE...Portions of central Pennsylvania.

* WHEN...Until 7 AM EST Tuesday.

* 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.

&&

$$

PAZ028-037-041-042-046-049>053-056>059-063>066-021200-
/O.CON.KCTP.WI.Y.0001.210301T1800Z-210302T1500Z/
Juniata-Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Mansfield, Wellsboro, 
Trout Run, Laporte, Williamsport, Lewisburg, Selinsgrove, 
Danville, Sunbury, Shamokin, Bloomsburg, Berwick, Newport, 
Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, Gettysburg, 
York, and Lancaster
1150 AM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST TUESDAY...

* WHAT...Winds 15 to 25 mph from the northwest with maximum gusts
  45 to 50 mph expected.

* WHERE...Portions of central Pennsylvania.

* WHEN...Until 10 AM EST Tuesday.

* 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.

&&

$$
MRS
For more information from the National Weather Service visit
http://weather.gov/ctp
947 
WWUS71 KCTP 020804
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
304 AM EST Tue Mar 2 2021

PAZ005-006-010>012-017>019-024>027-033>036-045-020915-
/O.CAN.KCTP.WI.Y.0001.000000T0000Z-210302T1200Z/
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Somerset-Bedford-Fulton-Franklin-Southern Clinton-
Including the cities of Bradford, Coudersport, St. Marys, 
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Johnstown, Altoona, Huntingdon, Mount Union, 
Lewistown, Somerset, Bedford, McConnellsburg, Chambersburg, 
and Lock Haven
304 AM EST Tue Mar 2 2021

...WIND ADVISORY IS CANCELLED...

Winds have dropped below criteria and the wind advisory has been
cancelled. 

$$

PAZ028-037-041-042-046-049>053-056>059-063>066-020915-
/O.CAN.KCTP.WI.Y.0001.000000T0000Z-210302T1500Z/
Juniata-Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Mansfield, Wellsboro, 
Trout Run, Laporte, Williamsport, Lewisburg, Selinsgrove, 
Danville, Sunbury, Shamokin, Bloomsburg, Berwick, Newport, 
Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, Gettysburg, 
York, and Lancaster
304 AM EST Tue Mar 2 2021

...WIND ADVISORY IS CANCELLED...

Winds have dropped below criteria and the wind advisory has been
cancelled. 

$$

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

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 1:38 AM ESTAreal Flood AdvisoryCTPBedford5 hr
Mar 1, 2:33 AM ESTDense Fog AdvisoryCTPAdams, Bedford, Blair, Centre, Clinton, Cumberland and 14 more5 hr
Mar 1, 8:04 AM ESTRiver Flood WarningCTPSomerset6 hr
Mar 1, 4:06 PM ESTSpecial Weather StatementCTPElk, McKean, Warren54 min
Mar 1, 5:02 PM ESTSpecial Weather StatementCTPCameron, Elk, Potter43 min
Mar 1, 5:43 PM ESTSpecial Weather StatementCTPCameron32 min
Mar 1, 6:07 PM ESTSpecial Weather StatementCTPClearfield23 min
Mar 1, 6:26 PM ESTSpecial Weather StatementCTPCentre34 min

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.