Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 12, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 17, 1999, 11:27 PM CST for Lamar County, Alabama. It was in force for 48 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 17, 1999, 11:27 PM CST (05:27 UTC)
- Expired
- Jan 18, 1999, 12:15 AM CST
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Lamar County, AL
The radar
The Columbus AFB radar (KGWX), 25 km from the middle of the area, began a volume at 05:28 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 17, 9:45 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 5.5 hours before the alert went out and 206 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
- 2449 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 7:57 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 63 min |
| Jan 17, 8:57 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 63 min |
| Jan 17, 11:12 PM CST | Severe Thunderstorm Warning | BMX | Franklin | 48 min |
| Jan 17, 11:16 PM CST | Severe Thunderstorm Warning | BMX | Lawrence | 64 min |
| Jan 17, 11:29 PM CST | Severe Thunderstorm Warning | BMX | Limestone | 46 min |
| Jan 17, 11:47 PM CST | Severe Thunderstorm Warning | BMX | Marion | 48 min |
| Jan 17, 11:58 PM CST | Severe Thunderstorm Warning | BMX | Madison | 32 min |
| Jan 18, 12:07 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 48 min |
| Jan 18, 12:45 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 50 min |
| Jan 18, 12:56 AM CST | Severe Thunderstorm Warning | BMX | Marshall, Morgan | 49 min |
| Jan 18, 1:12 AM CST | Severe Thunderstorm Warning | BMX | Winston | 33 min |
| Jan 18, 1:33 AM CST | Severe Thunderstorm Warning | BMX | Pickens | 32 min |
| Jan 18, 1:38 AM CST | Severe Thunderstorm Warning | BMX | DeKalb | 47 min |
| Jan 18, 1:40 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 50 min |
| Jan 18, 1:44 AM CST | Severe Thunderstorm Warning | BMX | Walker | 46 min |
| Jan 18, 1:50 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 45 min |
| Jan 18, 2:00 AM CST | Severe Thunderstorm Warning | BMX | Blount | 45 min |
| Jan 18, 2:18 AM CST | Severe Thunderstorm Warning | BMX | Jefferson | 47 min |
| Jan 18, 2:29 AM CST | Severe Thunderstorm Warning | BMX | Etowah | 46 min |
| Jan 18, 2:34 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 21 min |
| Jan 18, 2:38 AM CST | Severe Thunderstorm Warning | BMX | Marshall | 47 min |
| Jan 18, 3:26 AM CST | Severe Thunderstorm Warning | BMX | Cherokee | 49 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1999Every severe thunderstorm warning in 1999
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.