Alert archive / West Virginia / Mesoscale Discussions in 2003

Mesoscale Discussion 2286

August 27, 2003Greenup County, Kentucky; 21 counties in Ohio; 22 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2003, 12:52 PM EDT for Greenup County, Kentucky; 21 counties in Ohio; 22 counties in West Virginia. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Aug 27, 2003, 12:52 PM EDT (16:52 UTC)
Expired: Aug 27, 2003, 2:45 PM EDT
In force: 113 min
Issued by: the Storm Prediction Center

All 44 counties

Greenup County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Madison County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Barbour County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Mason County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 110 km from the middle of the area, began a volume at 16:53 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 901Aug 27, 2:05 PM EDT

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.9 hours before the alert went out and 154 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: 2457 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.7

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
Aug 27, 2:05 PM EDT	Severe Thunderstorm Watch	SPC	Boyd	5 hr
Aug 27, 5:54 PM EDT	Mesoscale Discussion	SPC	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	96 min
Aug 26, 9:20 PM EDT	Severe Thunderstorm Watch	SPC	Belmont, Jefferson	6 hr
Aug 27, 2:15 AM EDT	Mesoscale Discussion	SPC	Allen, Ashland, Crawford, Defiance, Erie, Fulton and 24 more	90 min
Aug 27, 2:35 AM EDT	Severe Thunderstorm Watch	SPC	Allen, Ashland, Carroll, Crawford, Defiance, Erie and 21 more	5 hr
Aug 27, 4:57 AM EDT	Mesoscale Discussion	SPC	Allen, Ashland, Crawford, Defiance, Erie, Fulton and 17 more	93 min
Aug 27, 6:11 AM EDT	Mesoscale Discussion	SPC	Athens, Belmont, Fairfield, Franklin, Guernsey, Hocking and 6 more	2 hr
Aug 27, 9:47 AM EDT	Mesoscale Discussion	SPC	Athens, Butler, Champaign, Clark, Clermont, Clinton and 21 more	118 min
Aug 26, 10:18 PM EDT	Mesoscale Discussion	SPC	Barbour, Doddridge, Grant, Hampshire, Hardy, Harrison and 8 more	57 min
Aug 27, 12:22 AM EDT	Mesoscale Discussion	SPC	Hardy, Pendleton, Pocahontas, Randolph	53 min
Aug 27, 9:23 AM EDT	Mesoscale Discussion	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 4 more	2 hr
Aug 27, 10:35 AM EDT	Severe Thunderstorm Watch	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 1 more	5 hr
Aug 27, 2:10 PM EDT	Mesoscale Discussion	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 1 more	65 min
Aug 27, 3:09 PM EDT	Mesoscale Discussion	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 1 more	66 min
Aug 27, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more	7 hr
Aug 27, 5:03 PM EDT	Mesoscale Discussion	SPC	Barbour, Berkeley, Braxton, Brooke, Calhoun, Clay and 25 more	87 min

Nearby

Mesoscale Discussions in West Virginia, 2003 Mesoscale Discussions in Ohio, 2003 Mesoscale Discussions in Kentucky, 2003 Every mesoscale discussion in 2003

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.