Alert archive / Alabama / Tornado Watches in 2024
Tornado Watch 671
The Storm Prediction Center issued this tornado watch at Sep 12, 2024, 4:35 PM CDT for 12 counties in Alabama. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 12, 2024, 4:35 PM CDT (21:35 UTC)
- Expired
- Sep 12, 2024, 8:55 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Strongest gust expected
- 50 kt
Counties Autauga County, AL, Bibb County, AL, Chilton County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Jefferson County, AL, Lowndes County, AL, Montgomery County, AL, Perry County, AL, Shelby County, AL, Tuscaloosa County, AL
The radar
The Birmingham radar (KBMX), 24 km from the middle of the area, began a volume at 21:34 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.
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
- 5%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 20%
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 10:13 PM CDT | Tornado Watch | SPC | Baldwin, Mobile, Washington | 8 hr |
| Sep 12, 5:01 AM CDT | Mesoscale Discussion | SPC | Butler, Clarke, Coffee, Conecuh, Covington, Crenshaw and 6 more | 3 hr |
| Sep 12, 5:53 AM CDT | Tornado Watch | SPC | Butler, Coffee, Conecuh, Covington, Crenshaw, Dale and 6 more | 7 hr |
| Sep 12, 10:06 AM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Coffee, Conecuh and 15 more | 2 hr |
| Sep 12, 2:40 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Chilton, Coosa and 13 more | 3 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.