Alert archive / Kentucky / Tornado Watches in 2010
Tornado Watch 123
The Storm Prediction Center issued this tornado watch at May 1, 2010, 4:40 AM CDT for 27 counties in Kentucky. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 2010, 4:40 AM CDT (09:40 UTC)
- Expired
- May 1, 2010, 9:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 27 counties
Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Bullitt County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Garrard County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY, Washington County, KY
The radar
The Louisville radar (KLVX), 90 km from the middle of the area, began a volume at 09:44 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:51 AM CDT | Severe Thunderstorm Warning | LMK | Allen, Butler, Edmonson, Logan, Simpson, Warren | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:36 PM CDT | Mesoscale Discussion | SPC | Ballard, Carlisle, Fulton, Hickman, McCracken | 54 min |
| Apr 30, 9:03 PM CDT | Tornado Watch | SPC | Ballard, Carlisle, Fulton, Graves, Hickman, McCracken | 6 hr |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 14 more | 64 min |
| May 1, 1:11 AM CDT | Tornado Watch | SPC | Breckinridge, Butler, Caldwell, Calloway, Christian, Crittenden and 17 more | 6 hr |
| May 1, 2:54 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barren, Boone, Breckinridge, Bullitt and 38 more | 2 hr |
| May 1, 6:17 AM CDT | Mesoscale Discussion | SPC | Adair, Barren, Bath, Boyle, Casey, Clark and 25 more | 88 min |
Nearby
Tornado Watches in Kentucky, 2010Every tornado watch in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.