Alert archive / Pennsylvania / Wind Advisories in 2012

Wind Advisory 4, NWS State College, PA

February 11, 20126 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Feb 11, 2012, 2:42 PM EST for 6 counties in Pennsylvania. It took effect at Feb 11, 2012, 7:00 PM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2012, 2:42 PM EST (19:42 UTC)
In effect from
Feb 11, 2012, 7:00 PM EST
Expired
Feb 12, 2012, 1:00 PM EST
In force
18 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Blair County, PA, Cambria County, PA, Franklin County, PA, Fulton County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 94 km from the middle of the area, began a volume at 19:45 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 (KPIT), launched 12:00Z, 7.7 hours before the alert went out and 147 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 2012-02-11Temperature 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, Pittsburgh, PA at 12:00Z on 2012-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939587897117Sfc1 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
569 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

247 
WWUS71 KCTP 111942
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
242 PM EST SAT FEB 11 2012


PAZ024-025-033>036-120345-
/O.NEW.KCTP.WI.Y.0004.120212T0000Z-120212T1800Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-FULTON-FRANKLIN-
INCLUDING THE CITIES OF...JOHNSTOWN...ALTOONA...SOMERSET...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG
242 PM EST SAT FEB 11 2012

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 1 PM EST
SUNDAY. 

* WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...STRONG NORTHERLY WINDS THIS EVENING AND OVERNIGHT.
  STRONG WESTERLY WINDS SUNDAY MORNING INTO THE EARLY AFTERNOON.

* IMPACTS...LARGE BRANCHES COULD FALL. COULD LOCALLY BE SOME
  BLOWING SNOW AND REDUCED VISIBILITIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. WINDS THIS STRONG MAY CAUSE
MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN
HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WIND SUBSIDES.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES.

&&

$$
2 follow-up statements
184 
WWUS71 KCTP 120103
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
803 PM EST SAT FEB 11 2012

PAZ024-025-033>036-121100-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-120212T1800Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-FULTON-FRANKLIN-
INCLUDING THE CITIES OF...JOHNSTOWN...ALTOONA...SOMERSET...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG
803 PM EST SAT FEB 11 2012

...A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST SUNDAY...

* WINDS...SUSTAINED FROM THE NORTHWEST AT 15 TO 25 MPH...WITH
  OCCASIONAL GUSTS BETWEEN 45 AND 50 MPH.

* TIMING...STRONG NORTHWESTERLY WINDS TONIGHT...SHIFTING MORE TO
  THE WEST SUNDAY MORNING AND CONTINUING INTO THE EARLY AFTERNOON.

* IMPACTS...LARGE BRANCHES COULD FALL. MINOR STRUCTURAL DAMAGE TO
  BUILDING...SUCH AS SHINGLES BLOWN OFF. LOCALIZED BLOWING SNOW
  AND GREATLY REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. WINDS THIS STRONG MAY CAUSE
MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN
HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WIND SUBSIDES.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES.

&&

$$

LAMBERT/GARTNER/MACH
255 
WWUS71 KCTP 121001
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
501 AM EST SUN FEB 12 2012

PAZ024-025-033>036-121800-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-120212T1800Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-FULTON-FRANKLIN-
INCLUDING THE CITIES OF...JOHNSTOWN...ALTOONA...SOMERSET...
BEDFORD...MCCONNELLSBURG...CHAMBERSBURG
501 AM EST SUN FEB 12 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WINDS...SUSTAINED FROM THE NORTHWEST AT 15 TO 25 MPH...WITH 
  OCCASIONAL GUSTS BETWEEN 45 AND 50 MPH. 

* TIMING...THIS MORNING INTO THE EARLY AFTERNOON.

* IMPACTS...LARGE BRANCHES COULD FALL. MINOR STRUCTURAL DAMAGE 
  TO BUILDING...SUCH AS SHINGLES BLOWN OFF. LOCALIZED BLOWING 
  SNOW AND GREATLY REDUCED VISIBILITIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED. WINDS THIS STRONG MAY CAUSE
MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN
HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WIND SUBSIDES.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 4:51 PM ESTSpecial Weather StatementCTPClinton, Lycoming, Northumberland, Union69 min
Feb 11, 5:57 PM ESTSpecial Weather StatementCTPCentre, Clinton, Mifflin, Montour, Northumberland, Snyder and 1 more63 min

Nearby

Wind Advisories in Pennsylvania, 2012Every wind advisory in 2012

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.