Alert archive / Alabama / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 89, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jun 11, 2023, 7:52 PM CDT for Colbert County, Franklin County, Alabama. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2023, 7:52 PM CDT (00:52 UTC)
- Expired
- Jun 11, 2023, 8:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Colbert County, AL, Franklin County, AL
The radar
The Columbus AFB radar (KGWX), 88 km from the middle of the area, began a volume at 00:52 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.9 hours before the alert went out and 182 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
- 2168 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1466 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.6
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:26 PM CDT | Special Weather Statement | HUN | Colbert | 49 min |
| Jun 11, 7:33 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 27 min |
| Jun 11, 7:44 PM CDT | Special Weather Statement | HUN | Franklin | 31 min |
| Jun 11, 8:25 PM CDT | Special Weather Statement | HUN | Lawrence | 35 min |
| Jun 11, 8:30 PM CDT | Special Weather Statement | HUN | Limestone | 30 min |
| Jun 11, 8:32 PM CDT | Special Weather Statement | HUN | Morgan | 28 min |
| Jun 11, 8:36 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 24 min |
| Jun 11, 8:52 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 23 min |
| Jun 11, 8:57 PM CDT | Special Weather Statement | HUN | Madison | 48 min |
| Jun 11, 8:58 PM CDT | Special Weather Statement | HUN | Jackson | 47 min |
| Jun 11, 9:15 PM CDT | Special Weather Statement | HUN | Cullman | 30 min |
| Jun 11, 9:39 PM CDT | Special Weather Statement | HUN | Cullman | 36 min |
| Jun 11, 9:47 PM CDT | Special Weather Statement | HUN | Jackson, Marshall | 43 min |
| Jun 11, 10:25 PM CDT | Special Weather Statement | HUN | DeKalb | 35 min |
| Jun 11, 11:24 PM CDT | Special Weather Statement | HUN | Marshall | 21 min |
| Jun 11, 7:38 PM CDT | Special Weather Statement | HUN | Lincoln, Moore | 52 min |
| Jun 11, 7:52 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln, Moore | 38 min |
| Jun 11, 8:08 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 37 min |
| Jun 11, 8:25 PM CDT | Special Weather Statement | HUN | Franklin, Moore | 50 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2023Every severe thunderstorm warning in 2023
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.