Alert archive / Pennsylvania / Wind Advisories in 2018

Wind Advisory 3, NWS State College, PA

April 4, 2018Cambria County, Somerset County, Pennsylvania

NWS State College, PA issued this wind advisory at Apr 4, 2018, 1:56 PM EDT for Cambria County, Somerset County, Pennsylvania. It took effect at Apr 4, 2018, 8:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2018, 1:56 PM EDT (17:56 UTC)
In effect from
Apr 4, 2018, 8:00 PM EDT
Expired
Apr 5, 2018, 2:00 AM EDT
In force
6 hr
Issued by
NWS State College, PA

Counties Cambria County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 106 km from the middle of the area, began a volume at 17:55 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

Pittsburgh, PA (KAGC), launched 12:00Z, 5.9 hours before the alert went out and 106 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, Pittsburgh, PA at 12:00Z on 2018-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Pittsburgh, PA at 12:00Z on 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 square meters per square second.1939587897117136Sfc1 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
858 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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.

&&

$$
2 follow-up statements
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. 

$$
348 
WWUS71 KCTP 050044
NPWCTP

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

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

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY...

* 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.

&&

$$

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, 3:36 AM EDTHigh Wind WarningCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more16 hr
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

Nearby

Wind Advisories in Pennsylvania, 2018Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.