Alert archive / Pennsylvania / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 388

June 5, 200213 counties in Ohio; 23 counties in Pennsylvania; 4 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 5, 2002, 3:15 PM EDT for 13 counties in Ohio; 23 counties in Pennsylvania; 4 counties in West Virginia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 5, 2002, 3:15 PM EDT (19:15 UTC)
Expired: Jun 5, 2002, 9:00 PM EDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 40 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Mahoning County, OH, Muskingum County, OH, Noble County, OH, Stark County, OH, Trumbull County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Crawford County, PA, Elk County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Tioga County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 27 km from the middle of the area, began a volume at 19:14 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.

Warnings issued inside it

29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 5, 3:25 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	65 min
Jun 5, 3:26 PM EDT	Severe Thunderstorm Warning	CLE	Stark	49 min
Jun 5, 3:31 PM EDT	Tornado Warning	CLE	Stark	44 min
Jun 5, 3:49 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	41 min
Jun 5, 4:12 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion	63 min
Jun 5, 4:14 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence	61 min
Jun 5, 4:15 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	60 min
Jun 5, 4:28 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	62 min
Jun 5, 4:28 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	62 min
Jun 5, 4:30 PM EDT	Severe Thunderstorm Warning	PBZ	Tuscarawas	60 min
Jun 5, 4:37 PM EDT	Tornado Warning	CLE	Crawford	53 min
Jun 5, 4:41 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	64 min
Jun 5, 4:54 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	51 min
Jun 5, 4:57 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence	63 min
Jun 5, 5:05 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	55 min
Jun 5, 5:11 PM EDT	Severe Thunderstorm Warning	CTP	Warren	64 min
Jun 5, 5:18 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	57 min
Jun 5, 5:29 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	46 min
Jun 5, 5:39 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	66 min
Jun 5, 5:39 PM EDT	Tornado Warning	CTP	Warren	51 min
Jun 5, 6:25 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	35 min
Jun 5, 6:33 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	57 min
Jun 5, 6:46 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	59 min
Jun 5, 6:56 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	64 min
Jun 5, 7:09 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	66 min
Jun 5, 7:13 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	62 min
Jun 5, 7:32 PM EDT	Flash Flood Warning	PBZ	Jefferson	3 hr
Jun 5, 8:12 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	63 min
Jun 5, 8:38 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	37 min

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.3 hours before the alert went out and 43 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: 594 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1144 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 10:00 PM EDT	Severe Thunderstorm Watch	SPC	Allen, Auglaize, Champaign, Clark, Darke, Logan and 6 more	5 hr
Jun 5, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	Allen, Ashland, Auglaize, Butler, Champaign, Clark and 38 more	5 hr
Jun 5, 6:45 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Athens, Brown, Fairfield, Fayette, Gallia and 14 more	4 hr
Jun 5, 4:30 PM EDT	Severe Thunderstorm Watch	SPC	Bedford, Blair, Bradford, Cambria, Centre, Clinton and 21 more	6 hr
Jun 5, 3:45 PM EDT	Severe Thunderstorm Watch	SPC	Berkeley, Hampshire, Hardy, Jefferson, Mineral, Morgan	5 hr

Nearby

Severe Thunderstorm Watches in Pennsylvania, 2002 Severe Thunderstorm Watches in Ohio, 2002 Severe Thunderstorm Watches in West Virginia, 2002 Every severe thunderstorm watch in 2002

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.