Alert archive / Tennessee / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 384

May 15, 20037 counties in Kentucky; 42 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at May 15, 2003, 5:10 PM CDT for 7 counties in Kentucky; 42 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 15, 2003, 5:10 PM CDT (22:10 UTC)
Expired
May 15, 2003, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 49 counties

Allen County, KY, Christian County, KY, Logan County, KY, Monroe County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Loudon County, TN, Macon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Montgomery County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 19 km from the middle of the area, began a volume at 22:13 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 15, 5:12 PM CDTSevere Thunderstorm WarningOHXCheatham, Williamson48 min
May 15, 5:18 PM CDTTornado WarningMRXMonroe42 min
May 15, 5:28 PM CDTTornado WarningMRXBlount32 min
May 15, 5:29 PM CDTSevere Thunderstorm WarningMRXRoane31 min
May 15, 5:36 PM CDTSevere Thunderstorm WarningMRXAnderson, Knox39 min
May 15, 5:59 PM CDTSevere Thunderstorm WarningMRXBlount46 min
May 15, 6:15 PM CDTSevere Thunderstorm WarningPAHTodd30 min
May 15, 6:17 PM CDTSevere Thunderstorm WarningMRXLoudon43 min
May 15, 6:39 PM CDTTornado WarningMRXLoudon36 min
May 15, 6:46 PM CDTSevere Thunderstorm WarningMRXBlount29 min
May 15, 6:49 PM CDTTornado WarningMRXMonroe41 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, 10.2 hours before the alert went out and 30 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 2003-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 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 2003-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
663 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 8:15 PM CDTMesoscale DiscussionSPCCrittenden, Henderson, Hopkins, Livingston, McLean, Union and 1 more60 min
May 14, 8:30 PM CDTSevere Thunderstorm WatchSPCCaldwell, Crittenden, Livingston, Union4 hr
May 14, 9:24 PM CDTMesoscale DiscussionSPCCarroll, Henry, Oldham, Trimble96 min
May 14, 10:10 PM CDTMesoscale DiscussionSPCBallard, Caldwell, Carlisle, Crittenden, Fulton, Graves and 5 more2 hr
May 15, 6:52 AM CDTMesoscale DiscussionSPCAdair, Allen, Barren, Bell, Boyle, Breathitt and 68 more2 hr
May 15, 10:15 AM CDTSevere Thunderstorm WatchSPCAnderson, Bath, Boone, Bourbon, Boyle, Bracken and 53 more6 hr
May 15, 12:22 PM CDTMesoscale DiscussionSPCAdair, Barren, Bell, Boyle, Breathitt, Casey and 37 more53 min
May 15, 12:50 PM CDTSevere Thunderstorm WatchSPCAdair, Barren, Bell, Boyle, Breathitt, Casey and 41 more5 hr
May 15, 2:20 PM CDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bell and 90 more85 min
May 15, 4:42 PM CDTMesoscale DiscussionSPCAllen, Caldwell, Calloway, Christian, Graves, Logan and 9 more63 min
May 15, 11:08 AM CDTMesoscale DiscussionSPCCarter, Johnson2 hr
May 15, 3:10 PM CDTSevere Thunderstorm WatchSPCCarter, Cocke, Greene, Hamblen, Jefferson, Sevier and 2 more6 hr
May 15, 5:06 PM CDTMesoscale DiscussionSPCCarter, Cocke, Greene, Hamblen, Jefferson, Sevier and 2 more84 min
May 15, 6:39 PM CDTMesoscale DiscussionSPCSevier2 hr

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.