Alert archive / Alabama / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 143
The Storm Prediction Center issued this severe thunderstorm watch at Apr 5, 1997, 11:45 AM CST for 41 counties in Alabama; 22 counties in Tennessee. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 1997, 11:45 AM CST (17:45 UTC)
- Expired
- Apr 5, 1997, 7:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 63 counties
Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chilton County, AL, Choctaw County, AL, Clay County, AL, Colbert County, AL, Coosa County, AL, Cullman County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Lowndes County, AL, Madison County, AL, Marengo County, AL, Marion County, AL, Marshall County, AL, Montgomery County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Wilcox County, AL, Winston County, AL, Bedford County, TN, Cannon County, TN, Coffee County, TN, Decatur County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardin County, TN, Hickman County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, Moore County, TN, Perry County, TN, Rutherford County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 11:56 AM CST | Severe Thunderstorm Warning | BMX | Sumter | 49 min |
| Apr 5, 12:49 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 71 min |
| Apr 5, 2:14 PM CST | Severe Thunderstorm Warning | MOB | Wilcox | 46 min |
| Apr 5, 2:21 PM CST | Severe Thunderstorm Warning | BMX | Dallas | 44 min |
| Apr 5, 2:47 PM CST | Severe Thunderstorm Warning | BMX | Lowndes | 63 min |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 5.8 hours before the alert went out and 60 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
- 872 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 351 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 |
|---|---|---|---|---|
| Apr 5, 1:00 PM CST | Severe Thunderstorm Watch | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 4 hr |
| Apr 5, 3:15 AM CST | Tornado Watch | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lauderdale and 2 more | 6 hr |
| Apr 5, 9:00 AM CST | Tornado Watch | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 19 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Alabama, 1997Severe Thunderstorm Watches in Tennessee, 1997Every severe thunderstorm watch in 1997
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.