Alert archive / West Virginia / Mesoscale Discussions in 2006
Mesoscale Discussion 653
The Storm Prediction Center issued this mesoscale discussion at Apr 25, 2006, 3:25 PM EDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2006, 3:25 PM EDT (19:25 UTC)
- Expired
- Apr 25, 2006, 5:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 79 counties
Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clay County, KY, Elliott County, KY, Floyd County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Whitley County, KY, Wolfe County, KY, Campbell County, TN, Claiborne County, TN, Grainger County, TN, Hancock County, TN, Hawkins County, TN, Scott County, TN, Sullivan County, TN, Union County, TN, Alleghany County, VA, Bath County, VA, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Covington, VA, City of Norton, VA, City of Radford, VA, Craig County, VA, Dickenson County, VA, Giles County, VA, Lee County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Summers County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV
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, 7.4 hours before the alert went out and 253 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 88 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 |
|---|---|---|---|---|
| Apr 25, 11:42 AM EDT | Mesoscale Discussion | SPC | Adair, Anderson, Barren, Bath, Bell, Bourbon and 62 more | 2 hr |
| Apr 25, 4:11 PM EDT | Mesoscale Discussion | SPC | Carlisle, Fulton | 64 min |
| Apr 25, 5:44 PM EDT | Severe Thunderstorm Watch | SPC | Ballard, Calloway, Carlisle, Crittenden, Fulton, Graves and 6 more | 6 hr |
| Apr 25, 6:16 PM EDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Johnson, Sevier, Sullivan and 2 more | 89 min |
| Apr 25, 7:04 PM EDT | Severe Thunderstorm Watch | SPC | Carter, Johnson, Unicoi | 5 hr |
Nearby
Mesoscale Discussions in West Virginia, 2006Mesoscale Discussions in Kentucky, 2006Mesoscale Discussions in Virginia, 2006Every 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.