Alert archive / Kentucky / Tornado Watches in 2007

Tornado Watch 194

April 26, 20074 counties in Indiana; 65 counties in Kentucky; 30 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Apr 26, 2007, 4:18 PM EDT for 4 counties in Indiana; 65 counties in Kentucky; 30 counties in Tennessee. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 26, 2007, 4:18 PM EDT (20:18 UTC)
Expired
Apr 26, 2007, 11:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 99 counties

Clark County, IN, Floyd County, IN, Jefferson County, IN, Scott County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Campbell County, TN, Claiborne County, TN, Clay County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Grundy County, TN, Jackson County, TN, Knox County, TN, Loudon County, TN, Macon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN

The radar

The Louisville radar (KLVX), 115 km from the middle of the area, began a volume at 20:19 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
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
80%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 26, 4:24 PM EDTSevere Thunderstorm WarningLMKMonroe36 min
Apr 26, 5:02 PM EDTTornado WarningOHXCumberland28 min
Apr 26, 5:07 PM EDTSevere Thunderstorm WarningLMKAdair23 min
Apr 26, 5:13 PM EDTSevere Thunderstorm WarningLMKBullitt17 min
Apr 26, 5:17 PM EDTSevere Thunderstorm WarningOHXPutnam28 min
Apr 26, 5:23 PM EDTTornado WarningOHXCumberland37 min
Apr 26, 5:30 PM EDTTornado WarningOHXClay, Overton30 min
Apr 26, 5:35 PM EDTSevere Thunderstorm WarningLMKJefferson15 min
Apr 26, 5:38 PM EDTTornado WarningOHXOverton23 min
Apr 26, 5:43 PM EDTSevere Thunderstorm WarningLMKMercer25 min
Apr 26, 5:47 PM EDTSevere Thunderstorm WarningLMKCasey28 min
Apr 26, 5:49 PM EDTSevere Thunderstorm WarningLMKHarrison14 min
Apr 26, 5:49 PM EDTTornado WarningMRXMorgan26 min
Apr 26, 5:50 PM EDTSevere Thunderstorm WarningLMKClinton25 min
Apr 26, 6:15 PM EDTTornado WarningMRXMorgan30 min
Apr 26, 6:20 PM EDTSevere Thunderstorm WarningJKLPulaski25 min
Apr 26, 6:24 PM EDTTornado WarningMRXAnderson36 min
Apr 26, 6:39 PM EDTSevere Thunderstorm WarningLMKGarrard, Madison36 min
Apr 26, 6:49 PM EDTTornado WarningMRXCampbell41 min
Apr 26, 7:12 PM EDTSevere Thunderstorm WarningLMKBourbon, Nicholas33 min
Apr 26, 7:16 PM EDTTornado WarningMRXClaiborne, Union59 min
Apr 26, 7:26 PM EDTSevere Thunderstorm WarningJKLBath34 min
Apr 26, 7:38 PM EDTSevere Thunderstorm WarningJKLFleming37 min
Apr 26, 7:44 PM EDTTornado WarningJKLBath, Fleming31 min
Apr 26, 7:44 PM EDTSevere Thunderstorm WarningMRXMorgan, Scott46 min
Apr 26, 8:00 PM EDTSevere Thunderstorm WarningJKLPowell30 min
Apr 26, 8:01 PM EDTSevere Thunderstorm WarningJKLBath, Menifee, Montgomery29 min
Apr 26, 8:13 PM EDTTornado WarningJKLFleming, Rowan15 min
Apr 26, 8:23 PM EDTSevere Thunderstorm WarningJKLMenifee37 min
Apr 26, 8:34 PM EDTSevere Thunderstorm WarningMRXCampbell41 min
Apr 26, 8:48 PM EDTSevere Thunderstorm WarningJKLMorgan, Rowan42 min
Apr 26, 9:01 PM EDTSevere Thunderstorm WarningJKLElliott44 min
Apr 26, 9:09 PM EDTTornado WarningJKLElliott36 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.3 hours before the alert went out and 211 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2007-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 159 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2007-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
159 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 1:51 PM EDTMesoscale DiscussionSPCAdams, Allen, Blackford, DeKalb, Delaware, Elkhart and 22 more54 min
Apr 26, 2:26 PM EDTTornado WatchSPCAdams, Allen, Blackford, Dearborn, DeKalb, Elkhart and 24 more8 hr
Apr 26, 3:07 PM EDTMesoscale DiscussionSPCClark, Floyd53 min
Apr 26, 5:55 PM EDTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 36 more95 min
Apr 26, 6:42 PM EDTMesoscale DiscussionSPCAdams, Allen, Blackford, Carroll, Cass, Clinton and 31 more93 min
Apr 26, 7:57 PM EDTMesoscale DiscussionSPCBath, Bell, Breathitt, Carter, Clark, Clay and 29 more93 min
Apr 26, 5:33 PM EDTMesoscale DiscussionSPCBradley, Franklin, Hamilton, Marion, Polk57 min
Apr 26, 5:53 PM EDTTornado WatchSPCBradley, Franklin, Hamilton, Marion, Polk5 hr

Nearby

Tornado Watches in Kentucky, 2007Tornado Watches in Tennessee, 2007Tornado Watches in Indiana, 2007Every tornado watch in 2007

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.