Alert archive / West Virginia / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 739
The Storm Prediction Center issued this severe thunderstorm watch at Aug 20, 2005, 4:55 PM EDT for 17 counties in Kentucky; 12 counties in Ohio; 22 counties in West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 20, 2005, 4:55 PM EDT (20:55 UTC)
- Expired
- Aug 20, 2005, 11:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 51 counties
Bath County, KY, Bourbon County, KY, Boyd County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Fleming County, KY, Greenup County, KY, Johnson County, KY, Lawrence County, KY, Lewis County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Powell County, KY, Rowan County, KY, Adams County, OH, Athens County, OH, Gallia County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Mason County, WV, Monongalia County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 87 km from the middle of the area, began a volume at 20:58 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 5:55 PM EDT | Severe Thunderstorm Warning | RLX | Tyler | 35 min |
| Aug 20, 6:34 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 26 min |
| Aug 20, 8:06 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.9 hours before the alert went out and 138 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
- 2933 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 12:31 PM EDT | Mesoscale Discussion | SPC | Boone, Bourbon, Bracken, Campbell, Carroll, Fleming and 18 more | 89 min |
| Aug 20, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Anderson, Boone, Bracken, Bullitt, Campbell, Carroll and 17 more | 6 hr |
| Aug 20, 2:35 PM EDT | Mesoscale Discussion | SPC | Ballard, Carlisle, Fulton, Graves, Hickman, Livingston and 2 more | 115 min |
| Aug 20, 3:11 PM EDT | Mesoscale Discussion | SPC | Anderson, Boone, Bourbon, Bracken, Bullitt, Campbell and 23 more | 94 min |
| Aug 20, 4:06 PM EDT | Mesoscale Discussion | SPC | Bath, Boyd, Carter, Clark, Elliott, Greenup and 5 more | 84 min |
| Aug 20, 7:10 PM EDT | Mesoscale Discussion | SPC | Bath, Boyd, Carter, Elliott, Fleming, Greenup and 4 more | 95 min |
| Aug 20, 3:10 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 9 more | 6 hr |
Nearby
Severe Thunderstorm Watches in West Virginia, 2005Severe Thunderstorm Watches in Kentucky, 2005Severe Thunderstorm Watches in Ohio, 2005Every severe thunderstorm watch in 2005
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.