Alert archive / Pennsylvania / Wind Advisories in 2007

Wind Advisory 1, NWS State College, PA

February 22, 20074 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Feb 22, 2007, 3:14 PM EST for 4 counties in Pennsylvania. It took effect at Feb 22, 2007, 7:00 PM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2007, 3:14 PM EST (20:14 UTC)
In effect from
Feb 22, 2007, 7:00 PM EST
Expired
Feb 23, 2007, 10:00 AM EST
In force
15 hr
Issued by
NWS State College, PA

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

The radar

The State College radar (KCCX), 93 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 125 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 2007-02-22Temperature 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 2007-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
1140 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
218 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 222014
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
314 PM EST THU FEB 22 2007

...STRONG WINDS EXPECTED OVER THE SOUTH CENTRAL MOUNTAINS OF
PENNSYLVANIA...

.AN INCREASING PRESSURE GRADIENT BETWEEN A DEEPENING LOW PRESSURE
SYSTEM OFF THE NEW ENGLAND COAST AND HIGH PRESSURE BUILDING IN
FROM THE WEST WILL RESULT IN STRONG GUSTY WINDS ACROSS THE SOUTH
CENTRAL MOUNTAINS.

PAZ024-025-033-034-230415-
/O.NEW.KCTP.WI.Y.0001.070223T0000Z-070223T1500Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-
314 PM EST THU FEB 22 2007

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM.

WINDS WILL INCREASE THROUGH THIS EVENING AND OVERNIGHT IN THE WAKE
OF A POTENT ALBERTA CLIPPER SYSTEM AND OCCLUDED FRONT. SUSTAINED
WESTERLY WINDS OF 25 TO 35 MPH WITH OCCASIONAL HIGHER GUSTS
EXCEEDING 45 MPH CAN BE EXPECTED LATER THIS EVENING AND OVERNIGHT.

A WIND ADVISORY MEANS THAT STRONG...GUSTY WINDS WILL MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES IN EXPOSED
LOCATIONS. GUSTY WINDS COULD ALSO CAUSE SOME MINOR PROPERTY
DAMAGE.

$$

STEINBUGL/MARTIN
2 follow-up statements
000 
WWUS71 KCTP 230233
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
933 PM EST THU FEB 22 2007

...STRONG WINDS EXPECTED OVER THE SOUTH CENTRAL MOUNTAINS OF
PENNSYLVANIA...

.AN INCREASING PRESSURE GRADIENT BETWEEN A DEEPENING LOW PRESSURE
SYSTEM OFF THE NEW ENGLAND COAST AND HIGH PRESSURE BUILDING IN
FROM THE WEST WILL RESULT IN STRONG GUSTY WINDS ACROSS THE SOUTH
CENTRAL MOUNTAINS OVERNIGHT AND EARLY FRIDAY.

PAZ024-025-033-034-231045-
/O.CON.KCTP.WI.Y.0001.000000T0000Z-070223T1500Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-
933 PM EST THU FEB 22 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY. 

WINDS WILL INCREASE A LITTLE MORE OVERNIGHT IN THE WAKE OF A
POTENT ALBERTA CLIPPER SYSTEM AND OCCLUDED FRONT. SUSTAINED WEST-
NORTHWESTERLY WINDS OF 25 TO 35 MPH...WITH OCCASIONAL GUSTS
EXCEEDING 50 MPH...CAN BE EXPECTED OVERNIGHT AND INTO FRIDAY
MORNING.

THE WINDS WILL ALSO BLOW THE NEWLY FALLEN SNOW AROUND...WHICH WILL
MAKE IT VERY DIFFICULT TO KEEP THE ROADS CLEARED. PLEASE USE
CAUTION IF YOU ARE TRAVELING OVER THE MOUNTAINS TONIGHT OR EARLY
FRIDAY MORNING. 

A WIND ADVISORY MEANS THAT STRONG...GUSTY WINDS WILL MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES IN EXPOSED
LOCATIONS. GUSTY WINDS COULD ALSO CAUSE SOME MINOR PROPERTY
DAMAGE.

$$

DANGELO
000 
WWUS71 KCTP 230954
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
454 AM EST FRI FEB 23 2007

PAZ024-025-033-034-231500-
/O.CON.KCTP.WI.Y.0001.000000T0000Z-070223T1500Z/
CAMBRIA-BLAIR-SOMERSET-BEDFORD-
454 AM EST FRI FEB 23 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. 

NORTHWEST WINDS OF 25 TO 35 MPH...WITH OCCASIONAL GUSTS UP TO 50
MPH...WILL CONTINUE THROUGH MID MORNING.

THE WINDS WILL ALSO BLOW THE NEWLY FALLEN SNOW AROUND...WHICH
WILL MAKE IT VERY DIFFICULT TO KEEP THE ROADS CLEARED. PLEASE USE
CAUTION IF YOU ARE TRAVELING OVER THE MOUNTAINS TONIGHT OR EARLY
FRIDAY MORNING.

A WIND ADVISORY MEANS THAT STRONG...GUSTY WINDS WILL MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES IN EXPOSED
LOCATIONS. GUSTY WINDS COULD ALSO CAUSE SOME MINOR PROPERTY
DAMAGE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 3:15 PM ESTSnow AdvisoryCTPCambria, McKean, Somerset, Warren16 hr

Nearby

Wind Advisories in Pennsylvania, 2007Every wind advisory in 2007

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.