Alert archive / Alabama / Tornado Watches in 2006
Tornado Watch 789
The Storm Prediction Center issued this tornado watch at Sep 22, 2006, 2:10 PM CDT for 24 counties in Alabama; 15 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2006, 2:10 PM CDT (19:10 UTC)
- Expired
- Sep 22, 2006, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 39 counties
Blount County, AL, Calhoun County, AL, Clay County, AL, Colbert County, AL, Coosa County, AL, Cullman County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Walker 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, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tallahatchie County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Yalobusha County, MS
The radar
The Columbus AFB radar (KGWX), 67 km from the middle of the area, began a volume at 19:12 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 2:30 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 45 min |
| Sep 22, 2:31 PM CDT | Tornado Warning | MEG | Itawamba | 29 min |
| Sep 22, 2:39 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 36 min |
| Sep 22, 2:53 PM CDT | Tornado Warning | HUN | Lauderdale | 22 min |
| Sep 22, 3:08 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 22 min |
| Sep 22, 3:11 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 49 min |
| Sep 22, 3:15 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 15 min |
| Sep 22, 3:24 PM CDT | Tornado Warning | HUN | Colbert, Franklin | 36 min |
| Sep 22, 3:29 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 31 min |
| Sep 22, 3:35 PM CDT | Tornado Warning | BMX | Shelby | 25 min |
| Sep 22, 3:43 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 47 min |
| Sep 22, 3:57 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 48 min |
| Sep 22, 3:58 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 47 min |
| Sep 22, 4:06 PM CDT | Tornado Warning | HUN | Cullman | 39 min |
| Sep 22, 4:31 PM CDT | Tornado Warning | HUN | Marshall | 29 min |
| Sep 22, 4:35 PM CDT | Tornado Warning | BMX | Blount | 40 min |
| Sep 22, 4:35 PM CDT | Tornado Warning | HUN | Franklin | 25 min |
| Sep 22, 5:00 PM CDT | Tornado Warning | HUN | Marshall | 32 min |
| Sep 22, 5:06 PM CDT | Tornado Warning | BMX | Jefferson | 24 min |
| Sep 22, 5:16 PM CDT | Tornado Warning | HUN | Colbert | 29 min |
| Sep 22, 5:17 PM CDT | Tornado Warning | BMX | Blount | 28 min |
| Sep 22, 5:43 PM CDT | Tornado Warning | BMX | Blount | 32 min |
| Sep 22, 5:46 PM CDT | Tornado Warning | HUN | Lauderdale, Lawrence | 29 min |
| Sep 22, 6:05 PM CDT | Tornado Warning | HUN | Marshall | 40 min |
| Sep 22, 6:13 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale, Limestone | 32 min |
| Sep 22, 6:15 PM CDT | Tornado Warning | BMX | Blount | 30 min |
| Sep 22, 6:45 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 30 min |
| Sep 22, 6:46 PM CDT | Severe Thunderstorm Warning | HUN | Marshall | 17 min |
| Sep 22, 6:50 PM CDT | Tornado Warning | BMX | Blount | 40 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
Little Rock, AR (KLZK), launched 12:00Z, 7.2 hours before the alert went out and 169 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
- 2207 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 13.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 1:11 PM CDT | Mesoscale Discussion | SPC | Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 3 more | 94 min |
| Sep 22, 6:15 PM CDT | Mesoscale Discussion | SPC | Blount, Colbert, Cullman, Fayette, Franklin, Jefferson and 7 more | 60 min |
| Sep 22, 4:08 AM CDT | Mesoscale Discussion | SPC | Coahoma, DeSoto, Marshall, Quitman, Tate, Tunica | 67 min |
| Sep 22, 4:39 AM CDT | Tornado Watch | SPC | Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more | 5 hr |
| Sep 22, 8:35 AM CDT | Mesoscale Discussion | SPC | Coahoma, DeSoto, Panola, Quitman, Tate, Tunica | 85 min |
| Sep 22, 9:10 AM CDT | Tornado Watch | SPC | Coahoma, DeSoto, Marshall, Panola, Quitman, Tate and 1 more | 9 hr |
| Sep 22, 12:15 PM CDT | Mesoscale Discussion | SPC | Benton, Bolivar, Coahoma, DeSoto, Lafayette, Marshall and 7 more | 90 min |
| Sep 22, 3:00 PM CDT | Mesoscale Discussion | SPC | Benton, Bolivar, Coahoma, DeSoto, Lafayette, Marshall and 6 more | 90 min |
| Sep 22, 2:55 PM CDT | Mesoscale Discussion | SPC | Benton, Henry, Obion, Stewart, Weakley | 2 hr |
| Sep 22, 6:29 PM CDT | Tornado Watch | SPC | Carroll, Crockett, Dyer, Gibson, Haywood, Henry and 6 more | 7 hr |
Nearby
Tornado Watches in Alabama, 2006Tornado Watches in Mississippi, 2006Every tornado watch in 2006
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.