Alert archive / Kentucky / Tornado Watches in 2003

Tornado Watch 242

May 5, 20037 counties in Indiana; 50 counties in Kentucky; 36 counties in Tennessee

The Storm Prediction Center issued this tornado watch at May 5, 2003, 12:45 AM EDT for 7 counties in Indiana; 50 counties in Kentucky; 36 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 5, 2003, 12:45 AM EDT (04:45 UTC)
Expired
May 5, 2003, 6:00 AM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 93 counties

Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Orange County, IN, Perry County, IN, Washington 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, 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, Marion County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Robertson County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Woodford County, KY, Bedford County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Franklin County, TN, Giles County, TN, Hardin County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Moore County, TN, Overton County, TN, Perry County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Warren County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 28 km from the middle of the area, began a volume at 04:48 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

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

IssuedProductOfficeCountiesLasted
May 5, 1:12 AM EDTTornado WarningOHXMontgomery63 min
May 5, 1:15 AM EDTTornado WarningMEGDecatur30 min
May 5, 1:16 AM EDTTornado WarningOHXPerry44 min
May 5, 1:20 AM EDTTornado WarningOHXBenton, Humphreys25 min
May 5, 1:22 AM EDTTornado WarningOHXPerry38 min
May 5, 1:31 AM EDTSevere Thunderstorm WarningLMKLogan39 min
May 5, 1:41 AM EDTTornado WarningOHXHickman, Perry39 min
May 5, 1:44 AM EDTSevere Thunderstorm WarningOHXDickson, Houston46 min
May 5, 1:49 AM EDTTornado WarningOHXRobertson56 min
May 5, 1:55 AM EDTSevere Thunderstorm WarningOHXCheatham20 min
May 5, 2:04 AM EDTSevere Thunderstorm WarningOHXMaury, Williamson41 min
May 5, 2:11 AM EDTSevere Thunderstorm WarningOHXDavidson34 min
May 5, 2:20 AM EDTSevere Thunderstorm WarningOHXCheatham20 min
May 5, 2:21 AM EDTTornado WarningOHXHickman, Maury, Williamson24 min
May 5, 2:25 AM EDTSevere Thunderstorm WarningLMKSimpson35 min
May 5, 2:25 AM EDTFlash Flood WarningPAHChristian, Todd3 hr
May 5, 2:25 AM EDTTornado WarningOHXSumner35 min
May 5, 2:42 AM EDTTornado WarningOHXDavidson28 min
May 5, 2:44 AM EDTTornado WarningOHXMaury, Williamson31 min
May 5, 2:52 AM EDTSevere Thunderstorm WarningOHXSumner, Wilson28 min
May 5, 2:59 AM EDTTornado WarningOHXRutherford, Williamson46 min
May 5, 3:02 AM EDTTornado WarningOHXSumner, Wilson28 min
May 5, 3:05 AM EDTSevere Thunderstorm WarningOHXDickson, Hickman35 min
May 5, 3:20 AM EDTTornado WarningOHXCannon, Rutherford40 min
May 5, 3:21 AM EDTTornado WarningOHXWilson24 min
May 5, 3:31 AM EDTSevere Thunderstorm WarningOHXMacon, Trousdale44 min
May 5, 3:42 AM EDTSevere Thunderstorm WarningOHXCheatham, Dickson, Hickman48 min
May 5, 3:46 AM EDTTornado WarningOHXDeKalb29 min
May 5, 3:48 AM EDTSevere Thunderstorm WarningOHXWilliamson42 min
May 5, 3:59 AM EDTSevere Thunderstorm WarningOHXPutnam31 min
May 5, 4:00 AM EDTSevere Thunderstorm WarningOHXCannon, Rutherford45 min
May 5, 4:03 AM EDTFlash Flood WarningOHXDavidson, Rutherford, Williamson3 hr
May 5, 4:06 AM EDTSevere Thunderstorm WarningOHXBedford, Marshall, Maury44 min
May 5, 4:22 AM EDTSevere Thunderstorm WarningOHXWarren48 min
May 5, 4:28 AM EDTSevere Thunderstorm WarningOHXDavidson, Rutherford, Wilson32 min
May 5, 4:33 AM EDTSevere Thunderstorm WarningOHXCumberland, Putnam42 min
May 5, 4:51 AM EDTSevere Thunderstorm WarningOHXCannon29 min
May 5, 4:55 AM EDTSevere Thunderstorm WarningOHXBedford, Cannon, Coffee50 min
May 5, 4:57 AM EDTSevere Thunderstorm WarningOHXBedford, Coffee48 min
May 5, 5:04 AM EDTSevere Thunderstorm WarningOHXGiles, Lincoln41 min
May 5, 5:08 AM EDTSevere Thunderstorm WarningOHXVan Buren, Warren52 min
May 5, 5:28 AM EDTSevere Thunderstorm WarningOHXFranklin47 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 00:00Z, 4.8 hours before the alert went out and 40 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 00:00Z on 2003-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 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 00:00Z on 2003-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 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
117 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1192 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
530 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 050441
SEL2  
SPC WW 050445
INZ000-KYZ000-TNZ000-051000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 242 
NWS STORM PREDICTION CENTER NORMAN OK 
1145 PM CDT SUN MAY 4 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       EXTREME SOUTHERN INDIANA
       CENTRAL KENTUCKY
       MIDDLE TENNESSEE

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1145 PM UNTIL
500 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES NORTHEAST OF LOUISVILLE KENTUCKY TO 80
MILES SOUTH SOUTHWEST OF NASHVILLE TENNESSEE.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


OTHER WATCH INFORMATION...CONTINUE...WW 237...WW 238...WW 239...WW
240...WW 241...


DISCUSSION...THREAT OF SUPERCELLS/TORNADOES WILL SPREAD EWD FROM WW
239 INTO CENTRAL KY/MIDDLE TN AS THE WARM FRONT LIFTS NWD AND THE
LOW LEVELS DESTABILIZE.  VERY STRONG LOW-LEVEL SHEAR /0-3 KM SRH IN
EXCESS OF 600 M2/S2/ AND MODERATE INSTABILITY WILL SUPPORT
SUPERCELLS WITH TORNADOES THROUGH THE EARLY MORNING HOURS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26040.


...THOMPSON

383,0834 350,0855 350,0882 383,0862

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 9:05 PM EDTMesoscale DiscussionSPCPosey85 min
May 4, 10:26 PM EDTMesoscale DiscussionSPCPosey2 hr
May 4, 11:40 PM EDTTornado WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick5 hr
May 5, 12:37 AM EDTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Harrison, Jefferson and 5 more23 min
May 5, 2:30 AM EDTMesoscale DiscussionSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick90 min
May 5, 2:46 AM EDTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Clinton, Crawford and 34 more89 min
May 5, 3:31 AM EDTMesoscale DiscussionSPCCrawford, Floyd, Harrison89 min
May 5, 4:41 AM EDTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick34 min
May 5, 4:50 AM EDTTornado WatchSPCGibson, Posey, Spencer, Vanderburgh, Warrick6 hr
May 5, 7:32 AM EDTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick88 min
May 5, 8:35 AM EDTTornado WatchSPCHarrison, Perry5 hr
May 5, 10:19 AM EDTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick56 min
May 5, 11:12 AM EDTMesoscale DiscussionSPCHarrison, Perry93 min
May 5, 12:59 PM EDTMesoscale DiscussionSPCHarrison, Perry61 min
May 5, 1:20 PM EDTTornado WatchSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 6 more7 hr
May 5, 3:47 PM EDTMesoscale DiscussionSPCCrawford, Dubois, Floyd, Gibson, Harrison, Perry and 4 more118 min
May 5, 5:27 PM EDTMesoscale DiscussionSPCSteuben3 hr
May 5, 5:42 PM EDTMesoscale DiscussionSPCOhio3 hr
May 5, 7:33 PM EDTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 6 more57 min
May 4, 8:34 PM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more116 min
May 5, 2:20 AM EDTTornado WatchSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more6 hr
May 5, 5:18 AM EDTMesoscale DiscussionSPCAllen, Ballard, Barren, Butler, Caldwell, Calloway and 19 more57 min
May 5, 5:55 AM EDTTornado WatchSPCFulton6 hr
May 5, 10:35 AM EDTTornado WatchSPCCalloway, Fulton5 hr
May 5, 12:06 PM EDTMesoscale DiscussionSPCFulton114 min
May 5, 3:13 PM EDTMesoscale DiscussionSPCFulton62 min
May 5, 3:35 PM EDTTornado WatchSPCFulton7 hr
May 5, 6:15 PM EDTTornado WatchSPCBracken, Campbell, Grant, Greenup, Kenton, Lewis and 4 more5 hr
May 5, 7:47 PM EDTMesoscale DiscussionSPCBath, Bourbon, Boyd, Bracken, Campbell, Carter and 15 more88 min
May 5, 4:15 AM EDTTornado WatchSPCAnderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 25 more6 hr
May 5, 7:07 AM EDTMesoscale DiscussionSPCAnderson, Bledsoe, Bradley, Cumberland, Fentress, Grundy and 15 more83 min
May 5, 8:11 AM EDTMesoscale DiscussionSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 49 more2 hr
May 5, 9:50 AM EDTTornado WatchSPCBledsoe, Blount, Bradley, Grundy, Hamilton, Loudon and 8 more6 hr
May 5, 10:05 AM EDTMesoscale DiscussionSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 42 more115 min
May 5, 1:52 PM EDTMesoscale DiscussionSPCBledsoe, Blount, Bradley, Hamilton, McMinn, Marion and 5 more113 min
May 5, 6:18 PM EDTMesoscale DiscussionSPCDyer, Lake, Lauderdale117 min
May 5, 6:40 PM EDTMesoscale DiscussionSPCChester, Fayette, Franklin, Giles, Hardeman, Hardin and 7 more2 hr

Nearby

Tornado Watches in Kentucky, 2003Tornado Watches in Tennessee, 2003Tornado Watches in Indiana, 2003Every tornado watch in 2003

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.