Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 144, NWS Pittsburgh, PA

July 9, 2005Greene County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 9, 2005, 1:18 AM EDT for Greene County, Pennsylvania. It was in force for 57 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 9, 2005, 1:18 AM EDT (05:18 UTC)
Expired: Jul 9, 2005, 2:15 AM EDT
In force: 57 min
Issued by: NWS Pittsburgh, PA
Area: Counties, with a storm outline in the text

County Greene County, PA

The radar

The Pittsburgh radar (KPBZ), 75 km from the middle of the area, began a volume at 05:20 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, 5.3 hours before the alert went out and 63 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: 886 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 8, 10:09 PM EDT, 3 hours 9 minutes earlier.

Area forecast discussion, Jul 8, 10:09 PM EDT, 3 hours 9 minutes before

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Hazardous weather outlook, Jul 8, 4:25 AM EDT, 20 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
425 AM EDT FRI JUL 8 2005

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-090825-
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-
425 AM EDT FRI JUL 8 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA
EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND
GARRETT COUNTY MARYLAND.

.DAY ONE...TODAY

THE REMNANTS OF TROPICAL STORM CINDY WILL CONTINUE TO PULL TO THE
NORTHEAST TODAY. HEAVIER RAINFALL HAS BEEN OCCURRING ACROSS THE
MOUNTAINS OF NORTHERN WEST VIRGINIA AND WESTERN MARYLAND. BECAUSE OF
THIS...A FLASH FLOOD WATCH IS IN EFFECT FOR THESE AREAS UNTIL 8 AM
FRIDAY MORNING.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Local storm report, Jul 8, 9:06 PM EDT, 4 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
906 PM EDT FRI JUL 08 2005

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

0906 PM     HAIL             3 N KITTANNING          40.87N 79.52W
07/08/2005  0.75 INCH        ARMSTRONG          PA   TRAINED SPOTTER

            TARRTOWN

&&

Local storm report, Jul 8, 9:44 PM EDT, 3 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
944 PM EDT FRI JUL 08 2005

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

0935 PM     HAIL             3 S ZANESVILLE          39.91N 82.01W
07/08/2005  0.75 INCH        MUSKINGUM          OH   PUBLIC

&&

Local storm report, Jul 8, 10:00 PM EDT, 3 hours 18 minutes before

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Local storm report, Jul 8, 10:24 PM EDT, 2 hours 54 minutes before

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Local storm report, Jul 8, 10:34 PM EDT, 2 hours 44 minutes before

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Special weather statement, Jul 9, 12:34 AM EDT, 44 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:55 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	50 min
Jul 8, 9:40 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	64 min
Jul 8, 8:33 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	57 min
Jul 8, 9:31 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	33 min
Jul 9, 2:06 AM EDT	Severe Thunderstorm Warning	PBZ	Preston	54 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.