Alert archive / Pennsylvania / Wind Advisories in 2017

Wind Advisory 9, NWS State College, PA

October 23, 201729 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Oct 23, 2017, 6:03 PM EDT for 29 counties in Pennsylvania. It took effect at Oct 23, 2017, 9:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2017, 6:03 PM EDT (22:03 UTC)
In effect from
Oct 23, 2017, 9:00 PM EDT
Expired
Oct 24, 2017, 8:00 AM EDT
In force
11 hr
Issued by
NWS State College, PA
All 29 counties

Adams 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, Sullivan County, PA, Tioga County, PA, Union County, PA, Warren County, PA, York County, PA

The radar

The State College radar (KCCX), 53 km from the middle of the area, began a volume at 22:03 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, 10.1 hours before the alert went out and 208 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 2017-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939Sfc1 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
3 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WWUS71 KCTP 232203
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
603 PM EDT Mon Oct 23 2017


PAZ004>006-010>012-017>019-026-027-035-045-240615-
/O.NEW.KCTP.WI.Y.0009.171024T0100Z-171024T0800Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Huntingdon-Mifflin-Fulton-
Southern Clinton-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Huntingdon, Mount Union, Lewistown, 
McConnellsburg, and Lock Haven
603 PM EDT Mon Oct 23 2017

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EDT
TUESDAY...

The National Weather Service in State College has issued a Wind
Advisory, which is in effect from 9 PM this evening to 4 AM EDT
Tuesday.

* WINDS...South 15 to 25 mph with gusts up to 55 mph.

* TIMING...The strongest wind gusts will likely occur between 10
  pm and 2 am over the northwest mountains near Warren and
  Bradford. Across the central part of the state, the strongest
  wind gusts are likely to occur between midnight and 4 am from
  Coudersport southward through State College and Huntingdon.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$

PAZ028-036-037-041-042-046-049>053-056>059-063>066-240615-
/O.NEW.KCTP.WI.Y.0009.171024T0500Z-171024T1200Z/
Juniata-Franklin-Tioga-Northern Lycoming-Sullivan-
Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia-
Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Chambersburg, Mansfield, 
Wellsboro, Trout Run, Laporte, Williamsport, Lewisburg, 
Selinsgrove, Danville, Sunbury, Shamokin, Bloomsburg, Berwick, 
Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, 
Gettysburg, York, and Lancaster
603 PM EDT Mon Oct 23 2017

...WIND ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT TUESDAY...

The National Weather Service in State College has issued a Wind
Advisory, which is in effect from 1 AM to 8 AM EDT Tuesday.

* WINDS...South 15 to 25 mph with gusts up to 55 mph.

* TIMING...Late tonight into early Tuesday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$
3 follow-up statements
370 
WWUS71 KCTP 240553
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
153 AM EDT Tue Oct 24 2017


PAZ004-005-010-011-017-240700-
/O.CAN.KCTP.WI.Y.0009.000000T0000Z-171024T0800Z/
Warren-McKean-Elk-Cameron-Clearfield-
Including the cities of Warren, Bradford, St. Marys, Ridgway, 
Emporium, DuBois, and Clearfield
153 AM EDT Tue Oct 24 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in State College has cancelled the
Wind Advisory.

The threat of strong wind gusts has shifted east of the area.

$$

PAZ006-012-018-019-026-027-035-045-240800-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-171024T0800Z/
Potter-Northern Clinton-Northern Centre-Southern Centre-
Huntingdon-Mifflin-Fulton-Southern Clinton-
Including the cities of Coudersport, Renovo, Philipsburg, 
State College, Huntingdon, Mount Union, Lewistown, 
McConnellsburg, and Lock Haven
153 AM EDT Tue Oct 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

* WINDS...South 15 to 25 mph with gusts up to 50 mph.

* TIMING...The threat of strong wind gusts will end by 3 or 4 am.  

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$

PAZ028-036-037-041-042-046-049>053-056>059-063>066-241200-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-171024T1200Z/
Juniata-Franklin-Tioga-Northern Lycoming-Sullivan-
Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia-
Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Chambersburg, Mansfield, 
Wellsboro, Trout Run, Laporte, Williamsport, Lewisburg, 
Selinsgrove, Danville, Sunbury, Shamokin, Bloomsburg, Berwick, 
Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, 
Gettysburg, York, and Lancaster
153 AM EDT Tue Oct 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WINDS...South 15 to 25 mph with gusts up to 50 mph.

* TIMING...The threat of strong wind gusts will end from west to
  east across the Susquehanna Valley between 5 and 8 am.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$
524 
WWUS71 KCTP 240803
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
403 AM EDT Tue Oct 24 2017


PAZ036-240915-
/O.CAN.KCTP.WI.Y.0009.000000T0000Z-171024T1200Z/
Franklin-
Including the city of Chambersburg
403 AM EDT Tue Oct 24 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in State College has cancelled the
Wind Advisory.

The threat of strong winds has shifted east of the area.

$$

PAZ006-012-018-019-026-027-035-045-240915-
/O.EXP.KCTP.WI.Y.0009.000000T0000Z-171024T0800Z/
Potter-Northern Clinton-Northern Centre-Southern Centre-
Huntingdon-Mifflin-Fulton-Southern Clinton-
Including the cities of Coudersport, Renovo, Philipsburg, 
State College, Huntingdon, Mount Union, Lewistown, 
McConnellsburg, and Lock Haven
403 AM EDT Tue Oct 24 2017

...WIND ADVISORY HAS EXPIRED...

The threat of strong winds has shifted east of the area.

$$

PAZ028-037-041-042-046-049>053-056>059-063>066-241200-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-171024T1200Z/
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
403 AM EDT Tue Oct 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WINDS...South 15 to 25 mph with gusts up to 50 mph.

* TIMING...The threat of strong wind gusts will end from west to 
  east across the Susquehanna Valley between 5 and 8 am.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$
601 
WWUS71 KCTP 241028
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
628 AM EDT Tue Oct 24 2017


PAZ028-037-041-046-049>052-056-057-063>065-241130-
/O.CAN.KCTP.WI.Y.0009.000000T0000Z-171024T1200Z/
Juniata-Tioga-Northern Lycoming-Southern Lycoming-Union-Snyder-
Montour-Northumberland-Perry-Dauphin-Cumberland-Adams-York-
Including the cities of Mifflintown, Mansfield, Wellsboro, 
Trout Run, Williamsport, Lewisburg, Selinsgrove, Danville, 
Sunbury, Shamokin, Newport, Harrisburg, Hershey, Carlisle, 
Gettysburg, and York
628 AM EDT Tue Oct 24 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in State College has cancelled the
Wind Advisory.

The threat of strong winds has shifted east of the area.

$$

PAZ042-053-058-059-066-241200-
/O.CON.KCTP.WI.Y.0009.000000T0000Z-171024T1200Z/
Sullivan-Columbia-Schuylkill-Lebanon-Lancaster-
Including the cities of Laporte, Bloomsburg, Berwick, Pottsville,
Lebanon, and Lancaster
628 AM EDT Tue Oct 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WINDS...South 15 to 20 mph with gusts up to 50 mph.

* TIMING...The threat of strong wind gusts will end from west to
  east across the Susquehanna Valley between 6 and 8 am.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$

Nearby

Wind Advisories in Pennsylvania, 2017Every wind advisory in 2017

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.