Alert archive / Kentucky / Tornado Watches in 2006

Tornado Watch 798

September 23, 20064 counties in Indiana; 48 counties in Kentucky; 35 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Sep 23, 2006, 1:13 PM EDT for 4 counties in Indiana; 48 counties in Kentucky; 35 counties in Tennessee. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Sep 23, 2006, 1:13 PM EDT (17:13 UTC)
Expired
Sep 23, 2006, 9:00 PM EDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 87 counties

Crawford County, IN, Floyd County, IN, Harrison County, IN, Perry County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham 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, Woodford County, KY, Bedford County, TN, Bledsoe County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Grundy County, TN, Hamilton County, TN, Houston County, TN, Jackson County, TN, Macon County, TN, Marion County, TN, Meigs County, TN, Montgomery County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Robertson County, TN, Rutherford County, TN, Sequatchie County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Louisville radar (KLVX), 90 km from the middle of the area, began a volume at 17:13 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 23, 1:44 PM EDTFlash Flood WarningLMKOldham, Shelby5 hr
Sep 23, 2:12 PM EDTFlash Flood WarningLMKBullitt, Hardin4 hr
Sep 23, 2:12 PM EDTSevere Thunderstorm WarningLMKButler48 min
Sep 23, 2:25 PM EDTFlash Flood WarningLMKGrayson, Ohio4 hr
Sep 23, 2:26 PM EDTSevere Thunderstorm WarningLMKLarue, Nelson19 min
Sep 23, 2:40 PM EDTSevere Thunderstorm WarningLMKMarion, Washington35 min
Sep 23, 2:50 PM EDTFlash Flood WarningLMKButler, Logan4 hr
Sep 23, 2:59 PM EDTFlash Flood WarningLMKPerry4 hr
Sep 23, 3:14 PM EDTFlash Flood WarningLMKEdmonson3 hr
Sep 23, 3:35 PM EDTSevere Thunderstorm WarningOHXRobertson25 min
Sep 23, 3:46 PM EDTSevere Thunderstorm WarningMRXMarion18 min
Sep 23, 4:02 PM EDTFlash Flood WarningLMKGreen, Taylor3 hr
Sep 23, 4:16 PM EDTSevere Thunderstorm WarningOHXClay, Jackson, Macon, Smith29 min
Sep 23, 4:21 PM EDTSevere Thunderstorm WarningLMKClark, Madison24 min
Sep 23, 4:32 PM EDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner28 min
Sep 23, 5:07 PM EDTSevere Thunderstorm WarningOHXDavidson, Williamson, Wilson23 min
Sep 23, 5:44 PM EDTSevere Thunderstorm WarningOHXRutherford31 min
Sep 23, 6:02 PM EDTSevere Thunderstorm WarningOHXBedford, Cannon, Coffee, Rutherford28 min
Sep 23, 6:02 PM EDTSevere Thunderstorm WarningOHXVan Buren, Warren, White43 min
Sep 23, 6:40 PM EDTSevere Thunderstorm WarningOHXWarren, White35 min
Sep 23, 6:45 PM EDTSevere Thunderstorm WarningOHXDeKalb30 min
Sep 23, 6:47 PM EDTSevere Thunderstorm WarningOHXFentress13 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, 5.2 hours before the alert went out and 123 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 2006-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -276 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-276 m²/s²
0-3 km storm-relative helicity
-66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 22, 8:50 PM EDTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 6 more115 min
Sep 23, 9:49 AM EDTTornado WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick5 hr
Sep 23, 11:51 AM EDTMesoscale DiscussionSPCClark, Crawford, Floyd, Harrison, Jefferson, Ohio and 7 more114 min
Sep 23, 12:30 PM EDTMesoscale DiscussionSPCClark, Crawford, Dearborn, Dubois, Floyd, Harrison and 12 more3 hr
Sep 23, 7:15 PM EDTMesoscale DiscussionSPCElkhart, Lake, LaPorte, Porter, Saint Joseph, Starke2 hr
Sep 22, 9:22 PM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 38 more5 hr
Sep 22, 11:47 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 44 more118 min
Sep 23, 1:59 AM EDTTornado WatchSPCAdair, Allen, Ballard, Barren, Boyle, Butler and 43 more8 hr
Sep 23, 5:10 AM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Ballard, Barren, Bath and 83 more2 hr
Sep 23, 8:35 AM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 8 more85 min
Sep 23, 4:28 PM EDTMesoscale DiscussionSPCAdair, Allen, Barren, Bath, Bell, Boyle and 35 more92 min
Sep 22, 11:23 PM EDTMesoscale DiscussionSPCCrockett, Dyer, Gibson, Haywood, Lake, Lauderdale and 3 more2 hr
Sep 23, 12:53 PM EDTMesoscale DiscussionSPCAnderson, Bedford, Bledsoe, Bradley, Cannon, Clay and 38 more67 min
Sep 23, 2:37 PM EDTMesoscale DiscussionSPCBenton, Carroll, Chester, Crockett, Decatur, Dickson and 19 more83 min
Sep 23, 3:59 PM EDTSevere Thunderstorm WatchSPCBenton, Chester, Decatur, Giles, Hardeman, Hardin and 10 more5 hr

Nearby

Tornado Watches in Kentucky, 2006Tornado Watches in Tennessee, 2006Tornado Watches in Indiana, 2006Every tornado watch in 2006

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.