Alert archive / West Virginia / Mesoscale Discussions in 2006

Mesoscale Discussion 1302

June 22, 20066 states

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2006, 2:29 PM EDT for 6 states. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2006, 2:29 PM EDT (18:29 UTC)
Expired: Jun 22, 2006, 4:00 PM EDT
In force: 91 min
Issued by: the Storm Prediction Center

All 68 counties

Allegany County, MD, Garrett County, MD, Cattaraugus County, NY, Chautauqua County, NY, Belmont County, OH, Jefferson County, OH, Monroe County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Bedford County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Centre 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, Somerset County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Bath County, VA, Highland County, VA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Grant County, WV, Hancock County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mineral County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pendleton County, WV, Pleasants County, WV, Pocahontas County, WV, Preston County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV

The radar

The Pittsburgh radar (KPBZ), 77 km from the middle of the area, began a volume at 18:32 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 543Jun 22, 2:45 PM EDT

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.5 hours before the alert went out and 61 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: 115 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1255 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 2:47 PM EDT	Severe Thunderstorm Watch	SPC	Garrett	7 hr
Jun 22, 5:43 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett, Washington	32 min
Jun 22, 6:38 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Broome, Chemung, Chenango, Cortland, Delaware and 6 more	6 hr
Jun 21, 8:25 PM EDT	Mesoscale Discussion	SPC	Ashland, Carroll, Columbiana, Coshocton, Crawford, Cuyahoga and 26 more	65 min
Jun 21, 9:04 PM EDT	Severe Thunderstorm Watch	SPC	Ashtabula, Carroll, Columbiana, Coshocton, Cuyahoga, Geauga and 13 more	6 hr
Jun 21, 10:07 PM EDT	Mesoscale Discussion	SPC	Allen, Auglaize, Defiance, Fulton, Henry, Mercer and 5 more	23 min
Jun 21, 11:25 PM EDT	Mesoscale Discussion	SPC	Ashland, Crawford, Erie, Hancock, Hardin, Huron and 11 more	35 min
Jun 22, 12:05 AM EDT	Mesoscale Discussion	SPC	Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 14 more	85 min
Jun 22, 8:25 AM EDT	Mesoscale Discussion	SPC	Williams	95 min
Jun 22, 12:37 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Auglaize, Brown, Butler, Champaign and 39 more	83 min
Jun 22, 1:19 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Allen, Ashland, Ashtabula, Athens, Auglaize and 78 more	9 hr
Jun 22, 4:12 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Ashland, Athens, Auglaize, Belmont and 74 more	93 min

Nearby

Mesoscale Discussions in West Virginia, 2006 Mesoscale Discussions in Pennsylvania, 2006 Mesoscale Discussions in Ohio, 2006 Every mesoscale discussion in 2006

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.