Alert archive / Tennessee / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 165

April 25, 200322 counties in Kentucky; 49 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Apr 25, 2003, 11:50 AM CDT for 22 counties in Kentucky; 49 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 25, 2003, 11:50 AM CDT (16:50 UTC)
Expired
Apr 25, 2003, 5:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 71 counties

Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Russell County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Bedford County, TN, Benton County, TN, Bledsoe County, TN, Bradley County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Henry 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, Marion County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Moore County, TN, Overton County, TN, Perry 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, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 16:54 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

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

IssuedProductOfficeCountiesLasted
Apr 25, 3:02 PM CDTSevere Thunderstorm WarningOHXHickman28 min
Apr 25, 3:14 PM CDTSevere Thunderstorm WarningOHXWilliamson46 min
Apr 25, 3:25 PM CDTSevere Thunderstorm WarningOHXDavidson50 min
Apr 25, 3:38 PM CDTSevere Thunderstorm WarningLMKLogan37 min
Apr 25, 3:40 PM CDTSevere Thunderstorm WarningOHXMaury65 min
Apr 25, 4:08 PM CDTSevere Thunderstorm WarningOHXDavidson, Marshall, Williamson32 min
Apr 25, 4:12 PM CDTTornado WarningPAHMarshall33 min
Apr 25, 4:16 PM CDTTornado WarningPAHMarshall29 min
Apr 25, 4:26 PM CDTSevere Thunderstorm WarningOHXWilson49 min
Apr 25, 4:32 PM CDTTornado WarningPAHLyon43 min
Apr 25, 4:36 PM CDTSevere Thunderstorm WarningOHXBedford, Rutherford34 min
Apr 25, 4:42 PM CDTSevere Thunderstorm WarningOHXWilliamson28 min
Apr 25, 4:59 PM CDTSevere Thunderstorm WarningOHXRutherford46 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, 4.8 hours before the alert went out and 38 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 2003-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2003-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.1939587897Sfc1 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
3 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
296 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
Apr 25, 11:04 AM CDTMesoscale DiscussionSPCCaldwell, Calloway, Christian, Graves, Hopkins, Lyon and 4 more116 min
Apr 25, 3:22 PM CDTMesoscale DiscussionSPCAllen, Caldwell, Calloway, Christian, Livingston, Logan and 6 more113 min
Apr 25, 4:40 PM CDTTornado WatchSPCAdair, Allen, Barren, Breckinridge, Butler, Caldwell and 34 more4 hr
Apr 25, 6:29 PM CDTMesoscale DiscussionSPCAdair, Allen, Barren, Breckinridge, Bullitt, Butler and 33 more91 min
Apr 24, 11:45 PM CDTTornado WatchSPCChester, Crockett, Dyer, Fayette, Gibson, Hardeman and 6 more5 hr
Apr 25, 1:15 AM CDTMesoscale DiscussionSPCChester, Crockett, Dyer, Fayette, Gibson, Hardeman and 6 more90 min
Apr 25, 3:05 AM CDTMesoscale DiscussionSPCChester, Crockett, Fayette, Hardeman, Hardin, Haywood and 5 more85 min
Apr 25, 1:55 PM CDTMesoscale DiscussionSPCCheatham, Davidson, Dickson, Hickman, Houston, Lewis and 4 more2 hr
Apr 25, 4:45 PM CDTSevere Thunderstorm WatchSPCBedford, Bledsoe, Bradley, Cannon, Clay, Coffee and 28 more4 hr
Apr 25, 6:48 PM CDTMesoscale DiscussionSPCBledsoe, Bradley, Clay, Cumberland, DeKalb, Fentress and 13 more87 min

Nearby

Severe Thunderstorm Watches in Tennessee, 2003Severe Thunderstorm Watches in Kentucky, 2003Every severe thunderstorm 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.