Alert archive / Pennsylvania / High Wind Warnings in 2008

High Wind Warning 3, NWS State College, PA

May 11, 20085 counties in Pennsylvania

NWS State College, PA issued this high wind warning at May 11, 2008, 3:23 PM EDT for 5 counties in Pennsylvania. It was in force for 5 hr. 4 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
May 11, 2008, 3:23 PM EDT (19:23 UTC)
Expired
May 11, 2008, 8:00 PM EDT
In force
5 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Blair County, PA, Cambria County, PA, Clearfield County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 78 km from the middle of the area, began a volume at 19:24 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
May 11, 3:30 PM EDTNON-TSTM WND DMGTreasure Lake, PATREES REPORTED DOWN.
May 11, 3:40 PM EDTNON-TSTM WND DMGFriedens, PATREES DOWNED BY STRONG WINDS
May 11, 4:38 PM EDTNON-TSTM WND DMGAltoona, PATREES REPORTED DOWN.
May 11, 4:40 PM EDTNON-TSTM WND DMGVinco, PATREES DOWN IN JACKSON TWP.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 126 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 2008-05-11Temperature 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 2008-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 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
1670 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
345 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.

000 
WWUS71 KCTP 111923
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
323 PM EDT SUN MAY 11 2008

PAZ017-024-025-033-034-120000-
/O.NEW.KCTP.HW.W.0003.080511T1923Z-080512T0000Z/
CLEARFIELD-CAMBRIA-BLAIR-SOMERSET-BEDFORD-
323 PM EDT SUN MAY 11 2008

...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. 

STRONG AND POTENTIALLY DAMAGING WIND GUSTS ARE POSSIBLE THROUGH
THIS EVENING...AS SOUTHEAST WINDS INCREASE AHEAD OF A STRONG
LOW PRESSURE SYSTEM. FREQUENT WIND GUSTS IN THE 35 TO 45 MPH
RANGE ARE EXPECTED...WITH WIND GUSTS UP TO 60 MPH POSSIBLE THROUGH
800 PM.

TAKE ACTION TO SECURE TRASH CANS...LAWN FURNITURE AND OTHER LOOSE
OUTDOOR OBJECTS. THE HIGH WINDS MAY TOPPLE TREES...DOWN POWER
LINES AND DAMAGE SOME STRUCTURES.

$$

DEVOIR

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 4:17 AM EDTFlood WatchCTPAdams, Bedford, Blair, Cambria, Cumberland, Dauphin and 9 more32 hr

Nearby

High Wind Warnings in Pennsylvania, 2008Every high wind warning in 2008

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.