Alert archive / Pennsylvania / Wind Advisories in 2014

Wind Advisory 2, NWS Pittsburgh, PA

April 29, 20144 counties in Pennsylvania

NWS Pittsburgh, PA issued this wind advisory at Apr 29, 2014, 6:23 AM EDT for 4 counties in Pennsylvania. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2014, 6:23 AM EDT (10:23 UTC)
Expired
Apr 29, 2014, 4:00 PM EDT
In force
10 hr
Issued by
NWS Pittsburgh, PA

Counties Fayette County, PA, Forest County, PA, Jefferson County, PA, Westmoreland County, PA

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 00:00Z, 10.4 hours before the alert went out and 73 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 2014-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2014-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 square meters per square second.193958Sfc1 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
467 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
232 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.

319 
WWUS71 KPBZ 291023
NPWPBZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
623 AM EDT TUE APR 29 2014

...DOWNSLOPE WINDS EXPECTED TO INCREASE TODAY...

.SOUTHEASTERLY FLOW WILL INCREASE THROUGH THE MORNING
HOURS...PRODUCING DOWNSLOPE WIND GUSTS OFF THE RIDGES THROUGH THE
MORNING HOURS AND INTO THE EARLY AFTERNOON. SCATTERED GUSTS IN
EXCESS OF 45 MPH WILL BE EXPECTED THROUGH THIS TIME.

PAZ009-016-023-073>076-291830-
/O.NEW.KPBZ.WI.Y.0002.140429T1023Z-140429T2000Z/
FOREST-JEFFERSON PA-INDIANA-WESTMORELAND-WESTMORELAND RIDGES-
FAYETTE-FAYETTE RIDGES-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA...
GREENSBURG...LATROBE...LIGONIER...DONEGAL...UNIONTOWN...
CHAMPION...OHIOPYLE
623 AM EDT TUE APR 29 2014

...WIND ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON.

* WINDS...SOUTHEAST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* PERIOD OF STRONGEST WINDS...

* IMPACTS...SCATTERED TREE AND POWER LINE DAMAGE CAN BE EXPECTED.
  SOME MINOR PROPERTY DAMAGE IS POSSIBLE IN THE HIGHEST GUSTS.
  TRAVEL WILL BE DIFFICULT FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS GREATER THAN 45 MPH ARE
EXPECTED. WIND THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
461 
WWUS71 KPBZ 291721
NPWPBZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
121 PM EDT TUE APR 29 2014

PAZ009-016-023-073>076-292000-
/O.CON.KPBZ.WI.Y.0002.000000T0000Z-140429T2000Z/
FOREST-JEFFERSON PA-INDIANA-WESTMORELAND-WESTMORELAND RIDGES-
FAYETTE-FAYETTE RIDGES-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA...
GREENSBURG...LATROBE...LIGONIER...DONEGAL...UNIONTOWN...
CHAMPION...OHIOPYLE
121 PM EDT TUE APR 29 2014

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WINDS...SOUTHEAST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...SCATTERED TREE AND POWER LINE DAMAGE CAN BE 
  EXPECTED. SOME MINOR PROPERTY DAMAGE IS POSSIBLE IN THE 
  HIGHEST GUSTS. TRAVEL WILL BE DIFFICULT FOR HIGH PROFILE 
  VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS GREATER THAN 45 MPH ARE
EXPECTED. WIND THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

34
219 
WWUS71 KPBZ 292006
NPWPBZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
406 PM EDT TUE APR 29 2014


PAZ009-016-023-073>076-292115-
/O.EXP.KPBZ.WI.Y.0002.000000T0000Z-140429T2000Z/
FOREST-JEFFERSON PA-INDIANA-WESTMORELAND-WESTMORELAND RIDGES-
FAYETTE-FAYETTE RIDGES-
INCLUDING THE CITIES OF...TIONESTA...BROOKVILLE...INDIANA...
GREENSBURG...LATROBE...LIGONIER...DONEGAL...UNIONTOWN...
CHAMPION...OHIOPYLE
406 PM EDT TUE APR 29 2014

...WIND ADVISORY HAS EXPIRED...

WIND GUSTS WILL CONTINUE TO DIMINISH THROUGH THE REMAINDER OF THE
AFTERNOON. THEREFORE...THE WIND ADVISORY HAS BEEN ALLOWED TO
EXPIRE. 

$$

34

Nearby

Wind Advisories in Pennsylvania, 2014Every wind advisory in 2014

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.