Alert archive / Alabama / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 86
The Storm Prediction Center issued this severe thunderstorm watch at Apr 3, 2001, 5:15 PM CDT for 24 counties in Alabama; 12 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2001, 5:15 PM CDT (22:15 UTC)
- Expired
- Apr 3, 2001, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Autauga County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Coosa County, AL, Crenshaw County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Lowndes County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Shelby County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Wilcox County, AL, Attala County, MS, Choctaw County, MS, Clarke County, MS, Jasper County, MS, Kemper County, MS, Lauderdale County, MS, Lowndes County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Winston County, MS
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 5:33 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 37 min |
| Apr 3, 5:46 PM CDT | Tornado Warning | JAN | Jasper | 29 min |
| Apr 3, 5:48 PM CDT | Flash Flood Warning | BMX | Clay, Jefferson, St. Clair, Shelby, Talladega, Walker | 3 hr |
| Apr 3, 6:05 PM CDT | Tornado Warning | JAN | Clarke | 35 min |
| Apr 3, 6:40 PM CDT | Tornado Warning | JAN | Clarke | 35 min |
| Apr 3, 7:08 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 17 min |
| Apr 3, 7:58 PM CDT | Flash Flood Warning | BMX | Chilton, Coosa | 3 hr |
| Apr 3, 8:24 PM CDT | Flash Flood Warning | BMX | Clay, Elmore, Jefferson, Macon, Shelby, Talladega and 2 more | 3 hr |
| Apr 3, 9:31 PM CDT | Flash Flood Warning | MOB | Clarke, Washington | 89 min |
| Apr 3, 10:43 PM CDT | Flash Flood Warning | BMX | Autauga, Barbour, Bullock, Dallas, Lowndes, Montgomery and 2 more | 3 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 10.3 hours before the alert went out and 68 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
- 101 J/kg
- Mixed-layer CIN
- -326 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 315 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 3, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Bibb, Blount, Calhoun, Cherokee, Clay, Cleburne and 23 more | 5 hr |
| Apr 3, 10:00 AM CDT | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 31 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Alabama, 2001Severe Thunderstorm Watches in Mississippi, 2001Every severe thunderstorm watch in 2001
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.