Alert archive / Kentucky / Tornado Watches in 2010

Tornado Watch 132

May 2, 201052 counties in Kentucky

The Storm Prediction Center issued this tornado watch at May 2, 2010, 4:36 AM CDT for 52 counties in Kentucky. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 2, 2010, 4:36 AM CDT (09:36 UTC)
Expired: May 2, 2010, 11:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1 in
Strongest gust expected: 65 kt

All 52 counties

Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Jackson County, KY, Jessamine County, KY, Larue County, KY, Laurel County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 80 km from the middle of the area, began a volume at 09:36 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: 40%
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

23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 2, 4:40 AM CDT	Tornado Warning	LMK	Grayson, Hardin	20 min
May 2, 4:41 AM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Nelson, Shelby, Spencer	34 min
May 2, 6:00 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	15 min
May 2, 6:19 AM CDT	Severe Thunderstorm Warning	LMK	Barren, Edmonson, Warren	26 min
May 2, 6:46 AM CDT	Severe Thunderstorm Warning	LMK	Barren, Green, Hart, Metcalfe	14 min
May 2, 6:47 AM CDT	Flash Flood Warning	LMK	Anderson, Breckinridge, Butler, Edmonson, Grayson, Hardin and 9 more	4 hr
May 2, 6:51 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Metcalfe, Monroe	24 min
May 2, 7:01 AM CDT	Flash Flood Warning	LMK	Bourbon, Fayette, Franklin, Harrison, Jessamine, Nicholas and 1 more	3 hr
May 2, 7:17 AM CDT	Flash Flood Warning	JKL	Bath, Fleming, Montgomery, Powell	12 hr
May 2, 7:27 AM CDT	Flash Flood Warning	LMK	Bullitt, Hardin, Jefferson, Meade, Shelby	3 hr
May 2, 7:44 AM CDT	Flash Flood Warning	LMK	Allen, Barren, Warren	2 hr
May 2, 8:15 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Monroe	30 min
May 2, 8:19 AM CDT	Flash Flood Warning	LMK	Clark	116 min
May 2, 8:33 AM CDT	Tornado Warning	LMK	Cumberland, Metcalfe, Monroe	27 min
May 2, 8:47 AM CDT	Tornado Warning	LMK	Adair, Clinton, Cumberland, Russell	28 min
May 2, 9:01 AM CDT	Tornado Warning	JKL	Pulaski, Wayne	29 min
May 2, 9:09 AM CDT	Tornado Warning	LMK	Casey, Russell	21 min
May 2, 9:22 AM CDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski, Rockcastle	14 min
May 2, 9:28 AM CDT	Flash Flood Warning	LMK	Adair, Cumberland, Green, Metcalfe, Monroe, Taylor	3 hr
May 2, 10:06 AM CDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe, Monroe	24 min
May 2, 10:12 AM CDT	Flash Flood Warning	LMK	Boyle, Casey, Garrard, Lincoln, Madison	3 hr
May 2, 10:48 AM CDT	Flash Flood Warning	JKL	Estill, Jackson, Rockcastle	6 hr
May 2, 10:59 AM CDT	Flash Flood Warning	JKL	Bath, Estill, Fleming, Lee, Menifee, Powell and 1 more	3 hr

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
May 1, 9:45 PM CDT	Mesoscale Discussion	SPC	Ballard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 9 more	30 min
May 1, 10:14 PM CDT	Tornado Watch	SPC	Allen, Ballard, Breckinridge, Butler, Caldwell, Calloway and 27 more	7 hr
May 2, 2:09 AM CDT	Mesoscale Discussion	SPC	Allen, Ballard, Breckinridge, Butler, Caldwell, Calloway and 27 more	2 hr
May 2, 4:14 AM CDT	Mesoscale Discussion	SPC	Adair, Allen, Anderson, Barren, Bath, Bourbon and 49 more	61 min
May 2, 6:37 AM CDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Bath, Bourbon, Boyle and 48 more	113 min
May 2, 11:15 AM CDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Boyle, Casey, Clark and 19 more	60 min
May 2, 1:18 PM CDT	Mesoscale Discussion	SPC	Bath, Boyd, Breathitt, Carter, Clark, Clay and 25 more	57 min
May 2, 2:32 PM CDT	Severe Thunderstorm Watch	SPC	Bell, Boyd, Breathitt, Carter, Clay, Elliott and 22 more	5 hr
May 2, 6:12 PM CDT	Mesoscale Discussion	SPC	Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more	93 min

Nearby

Tornado Watches in Kentucky, 2010 Every 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.