Alert archive / Kentucky / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 696
The Storm Prediction Center issued this severe thunderstorm watch at Sep 20, 2002, 3:30 PM CDT for 53 counties in Kentucky; 42 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2002, 3:30 PM CDT (20:30 UTC)
- Expired
- Sep 20, 2002, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 95 counties
Adair County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Campbell County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Green County, KY, Harrison County, KY, Henry County, KY, Jackson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Mason County, KY, McCreary County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Washington County, KY, Wayne County, KY, Woodford County, KY, Adams County, OH, Ashland County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Highland County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Pickaway County, OH, Pike County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Seneca County, OH, Union County, OH, Warren County, OH, Wayne County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 101 km from the middle of the area, began a volume at 20:33 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
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 3:34 PM CDT | Severe Thunderstorm Warning | ILN | Clinton, Warren | 41 min |
| Sep 20, 4:06 PM CDT | Severe Thunderstorm Warning | ILN | Greene | 24 min |
| Sep 20, 4:18 PM CDT | Severe Thunderstorm Warning | ILN | Fayette, Madison | 57 min |
| Sep 20, 5:01 PM CDT | Severe Thunderstorm Warning | CLE | Erie, Sandusky | 44 min |
| Sep 20, 5:14 PM CDT | Severe Thunderstorm Warning | CLE | Richland | 46 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 hours before the alert went out and 102 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
- 339 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 11:30 AM CDT | Tornado Watch | SPC | Allen, Breckinridge, Bullitt, Butler, Caldwell, Calloway and 26 more | 6 hr |
| Sep 20, 12:35 PM CDT | Tornado Watch | SPC | Allen, Auglaize, Darke, Defiance, Fulton, Henry and 7 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2002Severe Thunderstorm Watches in Ohio, 2002Every severe thunderstorm watch in 2002
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.