Alert archive / Tennessee / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 312
The Storm Prediction Center issued this severe thunderstorm watch at May 17, 2002, 12:30 PM CDT for 9 counties in Alabama; 17 counties in Mississippi; 48 counties in Tennessee. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2002, 12:30 PM CDT (17:30 UTC)
- Expired
- May 17, 2002, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 74 counties
Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Morgan County, AL, Winston County, AL, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Tallahatchie County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Yalobusha County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Henderson 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, McNairy County, TN, Montgomery County, TN, Moore County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford 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
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 1:11 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Macon | 34 min |
| May 17, 1:51 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Overton, Pickett | 39 min |
| May 17, 2:48 PM CDT | Severe Thunderstorm Warning | OHX | Wilson | 27 min |
| May 17, 3:46 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Overton, Pickett | 44 min |
| May 17, 4:32 PM CDT | Severe Thunderstorm Warning | BMX | Marion | 43 min |
| May 17, 4:32 PM CDT | Severe Thunderstorm Warning | OHX | Lawrence | 58 min |
| May 17, 5:04 PM CDT | Severe Thunderstorm Warning | OHX | Jackson, Overton, Putnam | 56 min |
| May 17, 5:11 PM CDT | Severe Thunderstorm Warning | OHX | Giles | 49 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 5.5 hours before the alert went out and 162 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
- 1576 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Blount, Butler, Calhoun, Cherokee and 44 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2002Severe Thunderstorm Watches in Mississippi, 2002Severe Thunderstorm Watches in Alabama, 2002Every severe thunderstorm watch in 2002
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.