Alert archive / West Virginia / Mesoscale Discussions in 2014
Mesoscale Discussion 953
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2014, 12:25 PM EDT for 5 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2014, 12:25 PM EDT (16:25 UTC)
- Expired
- Jun 11, 2014, 2:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 75 counties
Floyd County, KY, Martin County, KY, Pike County, KY, Belmont County, OH, Guernsey County, OH, Harrison County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Noble County, OH, Tuscarawas County, OH, Washington County, OH, Greene County, PA, Alleghany County, VA, Bath County, VA, Bland County, VA, Buchanan County, VA, City of Covington, VA, City of Radford, VA, Craig County, VA, Dickenson County, VA, Giles County, VA, Highland County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Russell County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wythe County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monongalia County, WV, Monroe County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 74 km from the middle of the area, began a volume at 16:28 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 4.4 hours before the alert went out and 170 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.
- Mixed-layer CAPE
- 34 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 1084 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:30 PM EDT | Mesoscale Discussion | SPC | Athens, Fairfield, Gallia, Hocking, Jackson, Meigs and 9 more | 90 min |
| Jun 11, 1:32 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Butler, Fayette and 5 more | 118 min |
| Jun 11, 2:59 PM EDT | Tornado Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 14 more | 6 hr |
| Jun 11, 4:49 PM EDT | Mesoscale Discussion | SPC | McKean, Potter | 86 min |
| Jun 11, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | Smyth, Tazewell | 7 hr |
| Jun 11, 2:25 PM EDT | Mesoscale Discussion | SPC | Amelia, Appomattox, Brunswick, Campbell, Charlotte, Chesterfield and 21 more | 95 min |
| Jun 11, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 97 more | 7 hr |
| Jun 11, 6:56 PM EDT | Mesoscale Discussion | SPC | Alleghany, Amherst, Augusta, Bath, Bedford, Bland and 32 more | 94 min |
Nearby
Mesoscale Discussions in West Virginia, 2014Mesoscale Discussions in Virginia, 2014Mesoscale Discussions in Ohio, 2014Every mesoscale discussion in 2014
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.