Alert archive / Florida / Tornado Watches in 2024
Tornado Watch 669
The Storm Prediction Center issued this tornado watch at Sep 12, 2024, 5:53 AM CDT for 12 counties in Alabama; 13 counties in Florida. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 12, 2024, 5:53 AM CDT (10:53 UTC)
- Expired
- Sep 12, 2024, 1:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Strongest gust expected
- 50 kt
All 25 counties
Butler County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Monroe County, AL, Wilcox County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 81 km from the middle of the area, began a volume at 10:56 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
- 50%
- 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%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 6:18 AM CDT | Tornado Warning | TAE | Walton | 27 min |
| Sep 12, 7:05 AM CDT | Tornado Warning | TAE | Walton | 25 min |
| Sep 12, 7:14 AM CDT | Flash Flood Warning | TAE | Walton | 3 hr |
| Sep 12, 7:27 AM CDT | Tornado Warning | TAE | Walton | 12 min |
| Sep 12, 7:56 AM CDT | Tornado Warning | TAE | Franklin | 14 min |
| Sep 12, 8:15 AM CDT | Tornado Warning | TAE | Franklin, Liberty | 30 min |
| Sep 12, 9:15 AM CDT | Tornado Warning | TAE | Franklin, Wakulla | 30 min |
| Sep 12, 9:38 AM CDT | Tornado Warning | TAE | Gulf | 37 min |
| Sep 12, 10:00 AM CDT | Tornado Warning | TAE | Franklin, Gulf | 30 min |
| Sep 12, 10:27 AM CDT | Tornado Warning | TAE | Franklin, Gulf | 33 min |
| Sep 12, 10:38 AM CDT | Tornado Warning | TAE | Franklin | 22 min |
| Sep 12, 10:56 AM CDT | Tornado Warning | TAE | Franklin | 34 min |
| Sep 12, 11:30 AM CDT | Flash Flood Warning | TAE | Franklin, Gulf, Liberty | 3 hr |
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, 10.9 hours before the alert went out and 237 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
- 1081 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- -30 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 |
|---|---|---|---|---|
| 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, 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 |
| Sep 12, 4:35 PM CDT | Tornado Watch | SPC | Autauga, Bibb, Chilton, Coosa, Dallas, Elmore and 6 more | 4 hr |
Nearby
Tornado Watches in Florida, 2024Tornado Watches in Alabama, 2024Every tornado watch in 2024
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.