Alert archive / Tennessee / Tornado Watches in 1998
Tornado Watch 300
The Storm Prediction Center issued this tornado watch at May 7, 1998, 3:30 AM CDT for 4 counties in Alabama; 7 counties in Mississippi; 41 counties in Tennessee. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 1998, 3:30 AM CDT (08:30 UTC)
- Expired
- May 7, 1998, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 52 counties
Colbert County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Alcorn County, MS, Benton County, MS, Marshall County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Cheatham County, TN, Chester County, TN, Coffee County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Giles 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, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 154 km from the middle of the area, began a volume at 08:34 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:41 AM CDT | Tornado Warning | OHX | Wayne | 49 min |
| May 7, 3:48 AM CDT | Severe Thunderstorm Warning | MEG | Benton, Tippah | 47 min |
| May 7, 4:29 AM CDT | Tornado Warning | BMX | Lauderdale | 36 min |
| May 7, 4:30 AM CDT | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Maury | 45 min |
| May 7, 4:43 AM CDT | Severe Thunderstorm Warning | OHX | Marshall | 47 min |
| May 7, 5:03 AM CDT | Tornado Warning | BMX | Lawrence | 32 min |
| May 7, 5:06 AM CDT | Tornado Warning | BMX | Lauderdale | 19 min |
| May 7, 5:10 AM CDT | Tornado Warning | BMX | Limestone | 30 min |
| May 7, 5:14 AM CDT | Flash Flood Warning | OHX | Lawrence, Lewis, Wayne | 3 hr |
| May 7, 5:14 AM CDT | Flash Flood Warning | OHX | Giles, Maury | 3 hr |
| May 7, 5:27 AM CDT | Tornado Warning | OHX | Rutherford | 33 min |
| May 7, 5:41 AM CDT | Tornado Warning | BMX | Limestone | 34 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 8.5 hours before the alert went out and 143 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 10:15 PM CDT | Tornado Watch | SPC | Colbert, Franklin, Lauderdale, Marion | 6 hr |
| May 7, 1:30 PM CDT | Tornado Watch | SPC | Blount, Calhoun, Chambers, Cherokee, Chilton, Clay and 13 more | 7 hr |
| May 7, 12:45 AM CDT | Tornado Watch | SPC | Attala, Bolivar, Calhoun, Carroll, Chickasaw, Choctaw and 28 more | 6 hr |
| May 7, 4:30 PM CDT | Tornado Watch | SPC | Carter, Cocke, Greene, Hamblen, Hancock, Hawkins and 4 more | 6 hr |
Nearby
Tornado Watches in Tennessee, 1998Tornado Watches in Mississippi, 1998Tornado Watches in Alabama, 1998Every tornado watch in 1998
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.