Alert archive / Pennsylvania / Wind Advisories in 2009

Wind Advisory 2, NWS State College, PA

February 19, 20096 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Feb 19, 2009, 4:16 AM EST for 6 counties in Pennsylvania. It took effect at Feb 19, 2009, 11:00 AM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2009, 4:16 AM EST (09:16 UTC)
In effect from
Feb 19, 2009, 11:00 AM EST
Expired
Feb 19, 2009, 10:25 PM EST
In force
11 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Blair County, PA, Cameron County, PA, Centre County, PA, Clinton County, PA, Potter County, PA

The radar

The State College radar (KCCX), 7 km from the middle of the area, began a volume at 09:19 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 00:00Z, 9.3 hours before the alert went out and 182 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 00:00Z on 2009-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 00:00Z on 2009-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 337 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
55 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
337 m²/s²
0-3 km storm-relative helicity
374 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 190916
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
416 AM EST THU FEB 19 2009


PAZ006-011-012-018-025-034-192215-
/O.NEW.KCTP.WI.Y.0002.090219T1600Z-090220T1200Z/
POTTER-CAMERON-NORTHERN CLINTON-NORTHERN CENTRE-BLAIR-BEDFORD-
416 AM EST THU FEB 19 2009

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 AM EST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 AM EST
FRIDAY. 

AN APPROACHING UPPER LEVEL LOW PRESSURE SYSTEM...COMBINED WITH THE
ARRIVAL OF AN ARCTIC AIRMASS WILL RESULT IN GUSTY WINDS TODAY
THROUGH TONIGHT. NORTHWEST WINDS WILL INCREASE LATE THIS MORNING TO
20 TO 30 MPH...WITH FREQUENT GUSTS AROUND 45 MPH. GUSTY WINDS WILL
CONTINUE THROUGH THIS EVENING AND EARLY FRIDAY MORNING AS THE
UPPER LEVEL LOW LIFTS NORTHEAST.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

BEACHLER/LAMBERT
2 follow-up statements
000 
WWUS71 KCTP 192214
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
514 PM EST THU FEB 19 2009

PAZ006-011-012-018-025-034-201015-
/O.CON.KCTP.WI.Y.0002.000000T0000Z-090220T1200Z/
POTTER-CAMERON-NORTHERN CLINTON-NORTHERN CENTRE-BLAIR-BEDFORD-
514 PM EST THU FEB 19 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY. 

AN INTENSIFYING STORM SYSTEM OVER NORTHERN NEW ENGLAND WILL CREATE
STRONG...GUSTY WINDS ACROSS PENNSYLVANIA TONIGHT. NORTHWEST
WINDS BETWEEN 20 AND 30 MPH WILL BUFFET THE AREA...WITH OCCASIONAL
GUSTS OVER 45 MPH.

A WIND ADVISORY MEANS THAT WIND GUSTS OVER 45 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION IF TRAVELING TONIGHT.

$$
000 
WWUS71 KCTP 200325
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1025 PM EST THU FEB 19 2009


PAZ006-011-012-018-025-034-200430-
/O.CAN.KCTP.WI.Y.0002.000000T0000Z-090220T1200Z/
POTTER-CAMERON-NORTHERN CLINTON-NORTHERN CENTRE-BLAIR-BEDFORD-
1025 PM EST THU FEB 19 2009

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WIND ADVISORY. 

GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE TO BUFFET THE AREA
TONIGHT AND FRIDAY. HOWEVER...THE WINDS SHOULD NOT BE STRONG
ENOUGH TO CAUSE ANY DAMAGE. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 4:22 AM ESTWinter Weather AdvisoryCTPCambria, Clearfield, Elk, McKean, Somerset, Warren31 hr

Nearby

Wind Advisories in Pennsylvania, 2009Every wind advisory in 2009

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.