Alert archive / Alabama / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 2, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jan 3, 2023, 10:58 AM CST for 4 counties in Alabama. It was in force for 27 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
- Jan 3, 2023, 10:58 AM CST (16:58 UTC)
- Expired
- Jan 3, 2023, 11:25 AM CST
- In force
- 27 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 103 km from the middle of the area, began a volume at 17:00 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 |
|---|---|---|---|
| Jan 3, 9:14 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 5.0 hours before the alert went out and 181 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
- 169 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 3, 10:49 AM CST, 9 minutes earlier.
Area forecast discussion, Jan 3, 10:49 AM CST, 9 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 10:14 AM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale | 46 min |
| Jan 3, 11:55 AM CST | Flash Flood Warning | HUN | Lawrence, Limestone, Morgan | 115 min |
| Jan 3, 11:57 AM CST | Special Weather Statement | HUN | Madison | 33 min |
| Jan 3, 11:59 AM CST | Special Weather Statement | HUN | Madison, Morgan | 31 min |
| Jan 3, 12:21 PM CST | Special Weather Statement | HUN | Cullman, Marshall | 39 min |
| Jan 3, 12:27 PM CST | Special Weather Statement | HUN | Jackson, Madison, Morgan | 48 min |
| Jan 3, 12:59 PM CST | Special Weather Statement | HUN | DeKalb, Jackson, Marshall | 46 min |
| Jan 3, 1:02 PM CST | Areal Flood Warning | HUN | Cullman, Limestone, Madison, Morgan | 2 hr |
| Jan 3, 1:06 PM CST | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 24 min |
| Jan 3, 1:49 PM CST | Special Weather Statement | HUN | DeKalb, Marshall | 41 min |
| Jan 3, 4:44 PM CST | Special Weather Statement | HUN | Cullman | 46 min |
| Jan 3, 12:16 PM CST | Special Weather Statement | HUN | Franklin | 44 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.