Alert archive / Pennsylvania / High Wind Warnings in 2018

High Wind Warning 2, NWS State College, PA

April 4, 201833 counties in Pennsylvania

NWS State College, PA issued this high wind warning at Apr 4, 2018, 3:36 AM EDT for 33 counties in Pennsylvania. It took effect at Apr 4, 2018, 6:00 AM EDT. It was in force for 14 hr. 42 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 4, 2018, 3:36 AM EDT (07:36 UTC)
In effect from
Apr 4, 2018, 6:00 AM EDT
Expired
Apr 4, 2018, 8:00 PM EDT
In force
14 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 07:39 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.

What was reported inside it

TimeReportWhereRemark
Apr 4, 10:10 AM EDTNON-TSTM WND GST 531 Nne Port Matilda, PA
Apr 4, 10:59 AM EDTNON-TSTM WND GST 523 Wnw Acosta, PA
Apr 4, 11:15 AM EDTNON-TSTM WND GST 511 S Mount Rock, PA
Apr 4, 11:33 AM EDTNON-TSTM WND GST 51Williamsport Airport, PA
Apr 4, 11:35 AM EDTNON-TSTM WND GST 521 Wsw Macedonia, PA
Apr 4, 11:35 AM EDTNON-TSTM WND GST 59Summit, PA
Apr 4, 12:06 PM EDTNON-TSTM WND DMGMansfield, PAMORE THAN 60 REPORTS OF TREES DOWN COUNTYWIDE, BEGINNING JUST AFTER MIDDAY.
Apr 4, 12:17 PM EDTNON-TSTM WND GST 51Johnstown Airport, PA
Apr 4, 12:20 PM EDTNON-TSTM WND GST 552 S Emmaville, PA
Apr 4, 12:51 PM EDTNON-TSTM WND GST 51Old Mountain House, PA
Apr 4, 12:55 PM EDTNON-TSTM WND GST 54Bedford Airport, PA
Apr 4, 1:01 PM EDTNON-TSTM WND GST 503 Sw Hogestown, PA
Apr 4, 1:04 PM EDTNON-TSTM WND GST 56Lock Haven Airport, PA
Apr 4, 1:19 PM EDTNON-TSTM WND GST 532 Ese Port Matilda, PA
Apr 4, 1:26 PM EDTNON-TSTM WND GST 51Altoona Airport, PA
Apr 4, 1:30 PM EDTNON-TSTM WND DMGBradford, PASEVERAL REPORTS OF TREES DOWN ACROSS MCKEAN COUNTY THROUGH THE AFTERNOON HOURS.
Apr 4, 1:32 PM EDTNON-TSTM WND GST 52Johnstown Airport, PA
Apr 4, 1:35 PM EDTNON-TSTM WND GST 52Clearfield Airport, PA
Apr 4, 1:35 PM EDTNON-TSTM WND GST 59Lock Haven Airport, PA
Apr 4, 1:38 PM EDTNON-TSTM WND GST 59Lancaster Airport, PA
Apr 4, 1:45 PM EDTNON-TSTM WND GST 551 Se Lewistown, PALEWISTOWN NARROWS
Apr 4, 1:57 PM EDTNON-TSTM WND GST 55East Petersburg, PA
Apr 4, 2:15 PM EDTNON-TSTM WND GST 53Johnstown Airport, PA
Apr 4, 2:55 PM EDTNON-TSTM WND GST 53Harrisburg Int'L Airpor, PA
Apr 4, 2:56 PM EDTNON-TSTM WND GST 51Altoona Airport, PA
Apr 4, 3:00 PM EDTNON-TSTM WND DMGCarlisle, PAPORTION OF A ROOF TORN OFF OF A HOME IN CARLISLE.
Apr 4, 3:00 PM EDTNON-TSTM WND DMGState College, PASEVERAL REPORTS OF TREES DOWN ACROSS CENTRE COUNTY THROUGH THE AFTERNOON HOURS. WIND DAMAGE TO THE ROOF OF A BUSINESS ON COLLEGE AVE AS WELL.
Apr 4, 3:19 PM EDTNON-TSTM WND GST 53Rockville, PA
Apr 4, 3:38 PM EDTNON-TSTM WND GST 52Capital City Airport, PA
Apr 4, 3:44 PM EDTNON-TSTM WND GST 58Harrisburg Int'L Airpor, PA
Apr 4, 3:45 PM EDTNON-TSTM WND GST 582 S Emmaville, PATOWN HILL ON I-70.
Apr 4, 3:53 PM EDTNON-TSTM WND GST 52University Park Arpt, PA
Apr 4, 3:55 PM EDTNON-TSTM WND GST 523 Ese Saint Marys, PA
Apr 4, 4:00 PM EDTNON-TSTM WND GST 51Kylertown, PA
Apr 4, 4:00 PM EDTNON-TSTM WND GST 532 Ne Newport, PA
Apr 4, 4:00 PM EDTNON-TSTM WND DMGWarren, PATREES REPORTED DOWN ACROSS WARREN COUNTY BY AN ELETRONICS TECHNICIAN THAT PERFORMED MAINTENANCE IN THE COUNTY.
Apr 4, 4:04 PM EDTNON-TSTM WND GST 54Rockville, PA
Apr 4, 4:26 PM EDTNON-TSTM WND GST 55Capital City Airport, PA
Apr 4, 4:29 PM EDTNON-TSTM WND GST 54Rockville, PA
Apr 4, 4:40 PM EDTNON-TSTM WND GST 56Lancaster Airport, PA
Apr 4, 4:47 PM EDTNON-TSTM WND GST 53East Petersburg, PA
Apr 4, 5:29 PM EDTNON-TSTM WND GST 58Rockville, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 7.6 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 00:00Z on 2018-04-04Temperature 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 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 315 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
1106 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
315 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

030 
WWUS71 KCTP 040736
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
336 AM EDT Wed Apr 4 2018


PAZ004>006-010>012-017>019-024>026-033>035-045-041545-
/O.UPG.KCTP.WI.Y.0002.180404T1200Z-180405T0000Z/
/O.NEW.KCTP.HW.W.0002.180404T1000Z-180405T0000Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Somerset-
Bedford-Fulton-Southern Clinton-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Johnstown, Altoona, Huntingdon, Mount Union, 
Somerset, Bedford, McConnellsburg, and Lock Haven
336 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

The National Weather Service in State College has issued a High
Wind Warning, which is in effect until 8 PM EDT this evening. The
Wind Advisory is no longer in effect.

* WINDS...West 20 to 30 mph with gusts up to 60 mph.

* TIMING...Winds will pick up around dawn, but the strongest winds
  will occur this afternoon. 

* IMPACTS...Damaging winds will blow down tree limbs and power
  lines in some places, causing scattered power outages. Travel 
  will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ027-037-041-042-046-041545-
/O.UPG.KCTP.WI.Y.0002.180404T1200Z-180405T0000Z/
/O.NEW.KCTP.HW.W.0002.180404T1300Z-180405T0000Z/
Mifflin-Tioga-Northern Lycoming-Sullivan-Southern Lycoming-
Including the cities of Lewistown, Mansfield, Wellsboro, 
Trout Run, Laporte, and Williamsport
336 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

The National Weather Service in State College has issued a High
Wind Warning, which is in effect from 9 AM this morning to 8 PM
EDT this evening. The Wind Advisory is no longer in effect.

* WINDS...West 25 to 35 mph with gusts up to 60 mph.

* TIMING...Winds will pick up during mid to late morning, but the
  strongest winds will occur this afternoon. 

* IMPACTS...Damaging winds will blow down tree limbs and power
  lines in some places, causing scattered power outages. Travel 
  will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ028-036-049>053-056>059-063>066-041545-
/O.UPG.KCTP.WI.Y.0002.180404T1400Z-180405T0000Z/
/O.NEW.KCTP.HW.W.0002.180404T1300Z-180405T0000Z/
Juniata-Franklin-Union-Snyder-Montour-Northumberland-Columbia-
Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Mifflintown, Chambersburg, Lewisburg, 
Selinsgrove, Danville, Sunbury, Shamokin, Bloomsburg, Berwick, 
Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, 
Gettysburg, York, and Lancaster
336 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

The National Weather Service in State College has issued a High
Wind Warning, which is in effect from 9 AM this morning to 8 PM
EDT this evening. The Wind Advisory is no longer in effect.

* WINDS...West 20 to 30 mph with gusts up to 60 mph.

* TIMING...Winds will pick up during mid to late morning, but the
  strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down tree limbs and power
  lines in some places, causing scattered power outages. Travel 
  will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
371 
WWUS71 KCTP 041532
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
1132 AM EDT Wed Apr 4 2018


PAZ004>006-010>012-017>019-024>026-033>035-045-042345-
/O.CON.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Somerset-
Bedford-Fulton-Southern Clinton-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Johnstown, Altoona, Huntingdon, Mount Union, 
Somerset, Bedford, McConnellsburg, and Lock Haven
1132 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WINDS...West 20 to 30 mph with gusts up to 60 mph.

* TIMING...The strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ027-028-036-037-041-042-046-049>053-056>059-063>066-042345-
/O.CON.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Mifflin-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 Lewistown, 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
1132 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WINDS...West 25 to 35 mph with gusts up to 60 mph.

* TIMING...The strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
665 
WWUS71 KCTP 041756
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
156 PM EDT Wed Apr 4 2018


PAZ024-033-050200-
/O.NEW.KCTP.WI.Y.0003.180405T0000Z-180405T0600Z/
/O.CON.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
156 PM EDT Wed Apr 4 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 AM EDT
THURSDAY...

The National Weather Service in State College has issued a Wind
Advisory, which is in effect from 8 PM this evening to 2 AM EDT
Thursday.

* WINDS...West 25 to 35 mph with gusts up to 60 mph.

* TIMING...The strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ004>006-010>012-017>019-025-026-034-035-045-050000-
/O.CON.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Blair-Huntingdon-Bedford-Fulton-
Southern Clinton-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Altoona, Huntingdon, Mount Union, Bedford, 
McConnellsburg, and Lock Haven
156 PM EDT Wed Apr 4 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WINDS...West 20 to 30 mph with gusts up to 60 mph.

* TIMING...The strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ027-028-036-037-041-042-046-049>053-056>059-063>066-050000-
/O.CON.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Mifflin-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 Lewistown, 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
156 PM EDT Wed Apr 4 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WINDS...West 25 to 35 mph with gusts up to 60 mph.

* TIMING...The strongest winds will occur this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
118 
WWUS71 KCTP 050000
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
800 PM EDT Wed Apr 4 2018

PAZ024-033-050600-
/O.EXP.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
/O.CON.KCTP.WI.Y.0003.000000T0000Z-180405T0600Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
800 PM EDT Wed Apr 4 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY...
...HIGH WIND WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

* WINDS...West 20 to 30 mph with gusts up to 45 mph.

* TIMING...Through late tonight.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PAZ004>006-010>012-017>019-025-026-034-035-045-050100-
/O.EXP.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Blair-Huntingdon-Bedford-Fulton-
Southern Clinton-
Including the cities of Warren, Bradford, Coudersport, St. Marys,
Ridgway, Emporium, Renovo, DuBois, Clearfield, Philipsburg, 
State College, Altoona, Huntingdon, Mount Union, Bedford, 
McConnellsburg, and Lock Haven
800 PM EDT Wed Apr 4 2018

...HIGH WIND WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

Damaging winds have decreased but winds will remain gusty through
late tonight. Expect winds to continue gusting to between 25 and 
40 mph at times through late tonight. 

$$

PAZ027-028-036-037-041-042-046-049>053-056>059-063>066-050100-
/O.EXP.KCTP.HW.W.0002.000000T0000Z-180405T0000Z/
Mifflin-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 Lewistown, 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
800 PM EDT Wed Apr 4 2018

...HIGH WIND WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

Damaging winds have decreased but winds will remain gusty through
late tonight. Expect winds to continue gusting to between 25 and 
40 mph at times through late tonight. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 9:10 PM EDTSpecial Weather StatementCTPBlair, Cambria65 min
Apr 3, 9:13 PM EDTSpecial Weather StatementCTPBedford, Somerset62 min
Apr 4, 12:33 PM EDTSpecial Weather StatementCTPElk, McKean, Potter, Warren57 min
Apr 4, 1:37 PM EDTSpecial Weather StatementCTPCameron, Clearfield, Elk, McKean, Potter, Warren53 min
Apr 4, 1:56 PM EDTWind AdvisoryCTPCambria, Somerset12 hr

Nearby

High Wind Warnings in Pennsylvania, 2018Every high wind warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.