Alert archive / Tennessee / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 732
The Storm Prediction Center issued this severe thunderstorm watch at Jul 12, 2003, 2:30 PM CDT for 21 counties in Kentucky; Cherokee County, Clay County, Graham County, North Carolina; 60 counties in Tennessee. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2003, 2:30 PM CDT (19:30 UTC)
- Expired
- Jul 12, 2003, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 84 counties
Adair County, KY, Allen County, KY, Barren County, KY, Caldwell County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Knox County, KY, Laurel County, KY, Logan County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Pulaski County, KY, Russell County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Wayne County, KY, Whitley County, KY, Cherokee County, NC, Clay County, NC, Graham County, NC, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell 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, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Montgomery County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Union 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), 24 km from the middle of the area, began a volume at 19:34 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
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 3:11 PM CDT | Severe Thunderstorm Warning | OHX | White | 34 min |
| Jul 12, 3:31 PM CDT | Severe Thunderstorm Warning | OHX | Montgomery, Robertson | 44 min |
| Jul 12, 3:45 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, Van Buren | 30 min |
| Jul 12, 3:50 PM CDT | Severe Thunderstorm Warning | OHX | White | 25 min |
| Jul 12, 4:12 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Robertson | 48 min |
| Jul 12, 4:26 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 49 min |
| Jul 12, 4:32 PM CDT | Flash Flood Warning | OHX | Van Buren | 3 hr |
| Jul 12, 4:32 PM CDT | Flash Flood Warning | OHX | Van Buren | 58 min |
| Jul 12, 4:44 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 46 min |
| Jul 12, 4:51 PM CDT | Severe Thunderstorm Warning | MRX | McMinn, Meigs | 54 min |
| Jul 12, 5:09 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Montgomery | 36 min |
| Jul 12, 5:57 PM CDT | Severe Thunderstorm Warning | MRX | Bradley | 48 min |
| Jul 12, 6:04 PM CDT | Severe Thunderstorm Warning | MRX | Polk | 41 min |
| Jul 12, 6:32 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton | 28 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, 7.5 hours before the alert went out and 33 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.
- Mixed-layer CAPE
- 194 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 1663 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 9:53 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 89 more | 2 hr |
| Jul 12, 10:51 AM CDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyd, Boyle and 39 more | 114 min |
| Jul 12, 11:40 AM CDT | Severe Thunderstorm Watch | SPC | Bath, Bourbon, Boyd, Bracken, Breathitt, Campbell and 30 more | 5 hr |
| Jul 12, 2:11 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Bell, Boyd and 48 more | 2 hr |
| Jul 12, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Boyd, Bracken, Breathitt, Carter and 28 more | 6 hr |
| Jul 12, 5:14 PM CDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Clay, Floyd, Harlan, Johnson and 9 more | 2 hr |
| Jul 12, 6:12 PM CDT | Mesoscale Discussion | SPC | Bell, Clinton, Cumberland, Knox, McCreary, Wayne and 1 more | 63 min |
| Jul 11, 8:04 PM CDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Carteret, Chowan and 25 more | 86 min |
Nearby
Severe Thunderstorm Watches in Tennessee, 2003Severe Thunderstorm Watches in Kentucky, 2003Severe Thunderstorm Watches in North Carolina, 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.