Alert archive / Alabama / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 14
The Storm Prediction Center issued this severe thunderstorm watch at Feb 21, 2003, 9:30 PM CST for 26 counties in Alabama; 21 counties in Mississippi. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2003, 9:30 PM CST (03:30 UTC)
- Expired
- Feb 22, 2003, 4:00 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 47 counties
Autauga County, AL, Bibb County, AL, Calhoun County, AL, Chilton County, AL, Choctaw County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Marengo County, AL, Montgomery 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, Attala County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Jasper County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Webster County, MS, Winston County, MS
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 9:50 PM CST | Severe Thunderstorm Warning | JAN | Scott, Smith | 45 min |
| Feb 21, 9:57 PM CST | Severe Thunderstorm Warning | JAN | Leake | 28 min |
| Feb 21, 10:19 PM CST | Flash Flood Warning | JAN | Attala, Choctaw, Clay, Lowndes, Montgomery, Noxubee and 3 more | 6 hr |
| Feb 21, 10:19 PM CST | Tornado Warning | JAN | Simpson, Smith | 46 min |
| Feb 21, 10:34 PM CST | Flash Flood Warning | JAN | Clarke, Jasper, Kemper, Lauderdale | 6 hr |
| Feb 21, 10:53 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 47 min |
| Feb 21, 11:19 PM CST | Severe Thunderstorm Warning | BMX | Montgomery | 41 min |
| Feb 21, 11:31 PM CST | Severe Thunderstorm Warning | JAN | Newton, Scott | 44 min |
| Feb 21, 11:42 PM CST | Severe Thunderstorm Warning | BMX | Lamar, Pickens | 48 min |
| Feb 21, 11:46 PM CST | Severe Thunderstorm Warning | JAN | Lowndes | 19 min |
| Feb 21, 11:54 PM CST | Severe Thunderstorm Warning | JAN | Neshoba | 41 min |
| Feb 21, 11:59 PM CST | Tornado Warning | JAN | Neshoba | 31 min |
| Feb 22, 12:20 AM CST | Severe Thunderstorm Warning | BMX | Fayette | 40 min |
| Feb 22, 12:20 AM CST | Severe Thunderstorm Warning | JAN | Winston | 45 min |
| Feb 22, 12:26 AM CST | Flash Flood Warning | BMX | Lamar, Marion, Pickens | 4 hr |
| Feb 22, 12:35 AM CST | Severe Thunderstorm Warning | JAN | Lowndes, Noxubee | 60 min |
| Feb 22, 12:41 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 34 min |
| Feb 22, 12:49 AM CST | Severe Thunderstorm Warning | BMX | Elmore | 26 min |
| Feb 22, 1:02 AM CST | Severe Thunderstorm Warning | JAN | Clay | 43 min |
| Feb 22, 1:09 AM CST | Severe Thunderstorm Warning | BMX | Lamar, Marion | 36 min |
| Feb 22, 1:12 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 43 min |
| Feb 22, 2:33 AM CST | Tornado Warning | BMX | Chilton | 27 min |
| Feb 22, 2:39 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa, Walker | 36 min |
| Feb 22, 2:41 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 34 min |
| Feb 22, 2:55 AM CST | Severe Thunderstorm Warning | BMX | Jefferson | 50 min |
| Feb 22, 2:59 AM CST | Severe Thunderstorm Warning | BMX | Montgomery | 31 min |
| Feb 22, 3:05 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 25 min |
| Feb 22, 3:21 AM CST | Severe Thunderstorm Warning | BMX | St. Clair | 24 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
Birmingham, AL (KBMX), launched 00:00Z, 3.5 hours before the alert went out and 160 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
- 779 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 7:26 PM CST | Mesoscale Discussion | SPC | Baldwin, Clarke, Mobile, Washington | 2 hr |
| Feb 21, 8:15 PM CST | Tornado Watch | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 6 hr |
| Feb 21, 9:03 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Chilton, Choctaw, Coosa and 22 more | 3 hr |
| Feb 21, 10:22 PM CST | Mesoscale Discussion | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 113 min |
| Feb 21, 10:40 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 20 more | 2 hr |
| Feb 21, 11:14 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 16 more | 4 hr |
| Feb 21, 11:40 PM CST | Tornado Watch | SPC | Barbour, Bullock, Coffee, Dale, Geneva, Henry and 5 more | 6 hr |
| Feb 22, 12:35 AM CST | Tornado Watch | SPC | Autauga, Baldwin, Bibb, Bullock, Butler, Calhoun and 37 more | 5 hr |
| Feb 22, 2:47 AM CST | Mesoscale Discussion | SPC | Calhoun, Cherokee, Cleburne, DeKalb, Etowah, Jackson and 4 more | 3 hr |
| Feb 22, 3:35 AM CST | Tornado Watch | SPC | Blount, Calhoun, Chambers, Cherokee, Chilton, Clay and 12 more | 2 hr |
| Feb 22, 3:51 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 43 more | 114 min |
| Feb 22, 5:19 AM CST | Mesoscale Discussion | SPC | Barbour, Henry, Houston, Russell | 56 min |
| Feb 22, 5:50 AM CST | Tornado Watch | SPC | Henry, Houston | 5 hr |
| Feb 22, 9:14 AM CST | Mesoscale Discussion | SPC | DeKalb, Jackson, Marshall | 2 hr |
| Feb 22, 10:35 AM CST | Tornado Watch | SPC | DeKalb, Jackson | 5 hr |
| Feb 22, 2:02 AM CST | Mesoscale Discussion | SPC | Adams, Attala, Bolivar, Calhoun, Carroll, Chickasaw and 34 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Alabama, 2003Severe Thunderstorm Watches in Mississippi, 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.