Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 191, NWS Pittsburgh, PA

July 25, 2005Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 25, 2005, 5:55 PM EDT for Westmoreland County, Pennsylvania. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 25, 2005, 5:55 PM EDT (21:55 UTC)
Expired: Jul 25, 2005, 6:30 PM EDT
In force: 35 min
Issued by: NWS Pittsburgh, PA
Area: Counties, with a storm outline in the text

County Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 68 km from the middle of the area, began a volume at 21:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 25, 2:10 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.9 hours before the alert went out and 55 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2202 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 7.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 2:47 PM EDT, 3 hours 8 minutes earlier.

Area forecast discussion, Jul 25, 2:47 PM EDT, 3 hours 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
247 PM EDT MON JUL 25 2005

.SHORT...TONIGHT AND TUESDAY...

SVR TSRA WL BE THE CONCERN AS AFTN MCS PLOWS THRU OH TWD THE PA
LINE.  THIS THREAT WL END THIS EVE...BUT HAVE MAINTAINED SLGT CHC
PCPN OVRNGT AS WARM FRONT LIFTS NWD ACRS THE AREA AGAIN.  WARM AND
HUMID TUESDAY WL END IN INCRSD TSRA CHCS WITH APRCH OF CDFNT.  WIND
PROFILES AGAIN INDICATE POTENTIALLY SVR.

&&

.LONG TERM (WEDNESDAY THROUGH MONDAY)...
POTENTIALLY SEVERE STORMS WILL CONTINUE INTO TUESDAY NIGHT AS
PREFRONTAL TROF CLEARS THE FA. FNT MOVES THRU THE FA BY WED LATE
AM...WITH HIGH PRES AND DRIER WX ACROSS AREA FOR REST OF PD.

&&

.AVIATION...

VFR CONDS NORTH OF FRONT WHICH HAS SAGGED OVR THE CWA TDA. TSRA ARE
FORMING ALNG THIS BNDRY THIS AFTN...AND MCS OVR WRN OH IS EXPECTED
TO CONT DVLG ALNG THE SAME THRU THE AFTN.  FAIRLY WIDESPREAD IFR
CONDS MAY BE EXPECTED ALNG THE FRONT ALNG WITH POTENTIALLY SVR LVL
WND GUSTS.  MORE OF THE SAME TMRRW AS MAIN CDFNT MOVS CLOSER TO THE
AREA.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...SEVERE THUNDERSTORM WATCH FOR MDZ001 UNTIL 8 PM MONDAY.
OH...SEVERE THUNDERSTORM WATCH FOR OHZ039>041-048>050-057>059-068-
     069 UNTIL 8 PM MONDAY.
PA...SEVERE THUNDERSTORM WATCH FOR PAZ013-014-020>023-029>032 UNTIL
     8 PM MONDAY.
WV...SEVERE THUNDERSTORM WATCH FOR WVZ001>004-012-021>023-041 UNTIL
     8 PM MONDAY.
&&

Hazardous weather outlook, Jul 25, 1:49 PM EDT, 4 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
149 PM EDT MON JUL 25 2005

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-260908-
ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA-
CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA-
FOREST PA-GARRETT MD-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH-
INDIANA PA-JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARION WV-
MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH-
OHIO WV-PRESTON WV-TUCKER WV-TUSCARAWAS OH-VENANGO PA-WASHINGTON PA-
WESTMORELAND PA-WETZEL WV-
149 PM EDT MON JUL 25 2005

.DAY ONE...TODAY AND TONIGHT

AS THE AFTERNOON PROGRESSES...A LINE OF THUNDERSTORMS IS EXPECTED TO
MOVE INTO EAST CENTRAL OHIO...WESTERN PENNSYLVANIA...AND EVENTUALLY
NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND.

SHOULD THIS LINE MAINTAIN STRENGTH...THEN DAMAGING WIND WILL BE
LIKELY.

.DAYS TWO THROUGH SEVEN...

A COLD FRONT MOVING TOWARD THE AREA WILL GENERATE A SLIGHT
RISK OF SEVERE THUNDERSTORMS LATE ON TUESDAY AFTERNOON INTO TUESDAY
NIGHT. THE MAIN THREAT OF SEVERE WEATHER WILL BE FROM DAMAGING
THUNDERSTORM WINDS AND LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

15

In the hours before

Local storm report, Jul 25, 5:08 PM EDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
508 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0459 PM     TSTM WND DMG     5 S CHESTER             40.54N 80.56W
07/25/2005                   HANCOCK            WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0455 PM     TSTM WND DMG     NEW MARTINSVILLE        39.66N 80.86W
07/25/2005                   WETZEL             WV   TRAINED SPOTTER

            THUNDERSTORM WIND GUSTS TO 60 MPH.

&&

TP

Local storm report, Jul 25, 5:22 PM EDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
522 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0510 PM     TSTM WND DMG     WELLSBURG               40.28N 80.61W
07/25/2005                   BROOKE             WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0520 PM     HAIL             3 SE MONONGAHELA        40.17N 79.88W
07/25/2005  1.25 INCH        WASHINGTON         PA   TRAINED SPOTTER

&&

TP

Local storm report, Jul 25, 5:31 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
531 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     TSTM WND DMG     1 S MOUNDSVILLE         39.91N 80.74W
07/25/2005                   MARSHALL           WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN BIG WHEELING CREEK AREA. ALSO
            IN SHERRARD, LIMESTONE AND FORKRIDGE.

0425 PM     TSTM WND DMG     10 W ST. CLAIRSVILLE    40.08N 81.09W
07/25/2005                   BELMONT            OH   NWS EMPLOYEE

            NUMEROUS TREES DOWN.

&&

TP

Local storm report, Jul 25, 5:36 PM EDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
536 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     TSTM WND DMG     MONESSEN                40.15N 79.88W
07/25/2005                   WESTMORELAND       PA   EMERGENCY MNGR

            WIDESPREAD TREES AND POWER LINES DOWN. ALSO IN THE
            HEMPFIELD AND NORTH HUNTINGTON AREAS.

&&

TP

Local storm report, Jul 25, 5:49 PM EDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
549 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0538 PM     TSTM WND DMG     ALEPPO                  39.82N 80.45W
07/25/2005                   GREENE             PA   EMERGENCY MNGR

            ALONG RT 21 AND RT 18 TREES AND POWER LINES DOWN IN THE
            NEW FREEPORT AND ALEPPO AREAS.

0542 PM     TSTM WND DMG     SMITHFIELD              39.50N 80.56W
07/25/2005                   WETZEL             WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN IN NEW DALE, PROCTOR AND
            SMITHFIELD AREAS.

&&

TP

Local storm report, Jul 25, 5:52 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PITTSBURGH PA
552 PM EDT MON JUL 25 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0250 PM     TSTM WND DMG     CAMERON                 39.83N 80.57W
07/25/2005                   MARSHALL           WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0315 PM     TSTM WND DMG     COSHOCTON               40.26N 81.85W
07/25/2005                   COSHOCTON          OH   EMERGENCY MNGR

            TREES DOWN IN THE CITY.

0335 PM     TSTM WND DMG     NEW PHILADELPHIA        40.49N 81.44W
07/25/2005                   TUSCARAWAS         OH   EMERGENCY MNGR

            TREES DOWN.

0335 PM     TSTM WND DMG     DOVER                   40.53N 81.48W
07/25/2005                   TUSCARAWAS         OH   EMERGENCY MNGR

            TREES DOWN.

0335 PM     TSTM WND DMG     STONE CREEK             40.40N 81.56W
07/25/2005                   TUSCARAWAS         OH   EMERGENCY MNGR

            TREES DOWN.

0345 PM     TSTM WND DMG     ZANESVILLE              39.95N 82.01W
07/25/2005                   MUSKINGUM          OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN COUNTY WIDE.

0355 PM     TSTM WND DMG     MONONGAH                39.46N 80.22W
07/25/2005                   MARION             WV   EMERGENCY MNGR

            TREES DOWN.

0355 PM     HAIL             4 ESE MANNINGTON        39.50N 80.27W
07/25/2005  0.75 INCH        MARION             WV   EMERGENCY MNGR

0400 PM     TSTM WND DMG     4 N CARROLLTON          40.64N 81.09W
07/25/2005                   CARROLL            OH   EMERGENCY MNGR

            TREES DOWN.

0400 PM     TSTM WND DMG     CAMBRIDGE               40.03N 81.59W
07/25/2005                   GUERNSEY           OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN. WIDESPREAD TREES AND POWER
            LINES DOWN COUNTY WIDE.

0405 PM     TSTM WND DMG     DELLROY                 40.56N 81.20W
07/25/2005                   CARROLL            OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0405 PM     TSTM WND DMG     2 W DEERSVILLE          40.31N 81.23W
07/25/2005                   HARRISON           OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN SR 646.

0420 PM     TSTM WND DMG     ST. CLAIRSVILLE         40.08N 80.90W
07/25/2005                   BELMONT            OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN COUNTY WIDE.

0421 PM     TSTM WND DMG     SARAHSVILLE             39.81N 81.47W
07/25/2005                   NOBLE              OH   EMERGENCY MNGR

            TREES AND POWER LINES DOWN. ALSO IN CALDWELL AND
            FLORENCE.

0425 PM     TSTM WND DMG     AMSTERDAM               40.47N 80.92W
07/25/2005                   JEFFERSON          OH   EMERGENCY MNGR

            NUMEROUS TREES AND POWER LINES DOWN.

0425 PM     TSTM WND DMG     MOUNT PLEASANT          40.18N 80.80W
07/25/2005                   JEFFERSON          OH   EMERGENCY MNGR

            NUMEROUS TREES AND POWER LINES DOWN.

0425 PM     TSTM WND DMG     10 W ST. CLAIRSVILLE    40.08N 81.09W
07/25/2005                   BELMONT            OH   NWS EMPLOYEE

            NUMEROUS TREES DOWN.

0455 PM     TSTM WND DMG     NEW MARTINSVILLE        39.66N 80.86W
07/25/2005                   WETZEL             WV   TRAINED SPOTTER

            THUNDERSTORM WIND GUSTS TO 60 MPH.

0459 PM     TSTM WND DMG     5 S CHESTER             40.54N 80.56W
07/25/2005                   HANCOCK            WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0510 PM     TSTM WND DMG     WELLSBURG               40.28N 80.61W
07/25/2005                   BROOKE             WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0520 PM     HAIL             3 SE MONONGAHELA        40.17N 79.88W
07/25/2005  1.25 INCH        WASHINGTON         PA   TRAINED SPOTTER

0525 PM     TSTM WND DMG     1 S MOUNDSVILLE         39.91N 80.74W
07/25/2005                   MARSHALL           WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN BIG WHEELING CREEK AREA. ALSO
            IN SHERRARD, LIMESTONE AND FORKRIDGE.

0525 PM     TSTM WND DMG     MONESSEN                40.15N 79.88W
07/25/2005                   WESTMORELAND       PA   EMERGENCY MNGR

            WIDESPREAD TREES AND POWER LINES DOWN. ALSO IN THE
            HEMPFIELD AND NORTH HUNTINGTON AREAS.

0538 PM     TSTM WND DMG     ALEPPO                  39.82N 80.45W
07/25/2005                   GREENE             PA   EMERGENCY MNGR

            ALONG RT 21 AND RT 18 TREES AND POWER LINES DOWN IN THE
            NEW FREEPORT AND ALEPPO AREAS.

0542 PM     TSTM WND DMG     SMITHFIELD              39.50N 80.56W
07/25/2005                   WETZEL             WV   EMERGENCY MNGR

            TREES AND POWER LINES DOWN IN NEW DALE, PROCTOR AND
            SMITHFIELD AREAS.

&&

TP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 12:55 AM EDT	Severe Thunderstorm Warning	PBZ	Forest	65 min
Jul 25, 1:07 AM EDT	Severe Thunderstorm Warning	PBZ	Venango	53 min
Jul 25, 1:20 AM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Jefferson	55 min
Jul 25, 2:42 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	63 min
Jul 25, 4:35 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	70 min
Jul 25, 4:46 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	44 min
Jul 25, 4:49 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	71 min
Jul 25, 4:55 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	65 min
Jul 25, 5:02 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	58 min
Jul 25, 5:23 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	82 min
Jul 25, 5:30 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	45 min
Jul 25, 2:56 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	64 min
Jul 25, 3:15 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	60 min
Jul 25, 3:20 PM EDT	Severe Thunderstorm Warning	PBZ	Tuscarawas	55 min
Jul 25, 3:42 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey	63 min
Jul 25, 3:49 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison	56 min
Jul 25, 3:58 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Monroe, Noble	77 min
Jul 25, 4:11 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	64 min
Jul 25, 2:22 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall	38 min
Jul 25, 2:50 PM EDT	Severe Thunderstorm Warning	PBZ	Wetzel	55 min
Jul 25, 2:58 PM EDT	Severe Thunderstorm Warning	PBZ	Monongalia	62 min
Jul 25, 3:02 PM EDT	Severe Thunderstorm Warning	PBZ	Marion	58 min
Jul 25, 3:57 PM EDT	Severe Thunderstorm Warning	PBZ	Wetzel	33 min
Jul 25, 4:30 PM EDT	Severe Thunderstorm Warning	PBZ	Brooke	75 min
Jul 25, 4:40 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall, Ohio	80 min
Jul 25, 4:52 PM EDT	Severe Thunderstorm Warning	PBZ	Hancock	68 min
Jul 25, 5:10 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia	80 min
Jul 25, 6:20 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	40 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2005 Every severe thunderstorm warning in 2005

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.