Alert archive / Ohio / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 40, NWS Pittsburgh, PA

June 9, 2009Muskingum County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 9, 2009, 6:48 PM EDT for Muskingum County, Ohio. It was in force for 43 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: Jun 9, 2009, 6:48 PM EDT (22:48 UTC)
Expired: Jun 9, 2009, 7:31 PM EDT
In force: 43 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

County Muskingum County, OH

The radar

The Pittsburgh radar (KPBZ), 159 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 164 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: 1491 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.7

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 Jun 9, 5:54 PM EDT, 54 minutes earlier.

Area forecast discussion, Jun 9, 5:54 PM EDT, 54 minutes before

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Hazardous weather outlook, Jun 9, 5:57 PM EDT, 51 minutes before

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In the hours before

Local storm report, Jun 9, 3:48 PM EDT, 3 hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
348 PM EDT TUE JUN 09 2009

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

0345 PM     HAIL             LIGONIER                40.24N 79.24W
06/09/2009  E0.75 INCH       WESTMORELAND       PA   PUBLIC

&&

RKANE

Local storm report, Jun 9, 3:50 PM EDT, 2 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
350 PM EDT TUE JUN 09 2009

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

0345 PM     HAIL             LIGONIER                40.24N 79.24W
06/09/2009  E1.75 INCH       WESTMORELAND       PA   PUBLIC

&&

RKANE

Local storm report, Jun 9, 3:58 PM EDT, 2 hours 50 minutes before

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Special weather statement, Jun 9, 4:03 PM EDT, 2 hours 45 minutes before

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Local storm report, Jun 9, 5:06 PM EDT, 1 hour 42 minutes before

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Special weather statement, Jun 9, 6:16 PM EDT, 32 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
Jun 9, 2:26 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	64 min
Jun 9, 3:22 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	38 min
Jun 9, 1:14 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	61 min
Jun 9, 2:03 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	57 min
Jun 9, 2:29 PM EDT	Flash Flood Watch	PBZ		3 hr
Jun 9, 3:05 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	28 min
Jun 9, 3:35 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Wetzel	25 min
Jun 9, 3:59 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Wetzel	31 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2009 Every severe thunderstorm warning 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.