Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 131, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 15, 1999, 12:54 AM CDT for Greene County, Hale County, Alabama. It was in force for 51 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
- Apr 15, 1999, 12:54 AM CDT (05:54 UTC)
- Expired
- Apr 15, 1999, 1:45 AM CDT
- In force
- 51 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Greene County, AL, Hale County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 10:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 12:00 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 5.9 hours before the alert went out and 103 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
- 2269 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 264 m²/s²
- 0-3 km storm-relative helicity
- 501 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 |
|---|---|---|---|---|
| Apr 15, 12:02 AM CDT | Severe Thunderstorm Warning | BMX | Sumter | 48 min |
| Apr 15, 12:19 AM CDT | Tornado Warning | BMX | Sumter | 51 min |
| Apr 15, 1:16 AM CDT | Severe Thunderstorm Warning | BMX | Walker | 34 min |
| Apr 15, 1:36 AM CDT | Tornado Warning | BMX | Marengo | 49 min |
| Apr 15, 2:05 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 35 min |
| Apr 15, 2:26 AM CDT | Tornado Warning | BMX | Dallas | 49 min |
| Apr 15, 3:09 AM CDT | Severe Thunderstorm Warning | BMX | Autauga | 51 min |
| Apr 15, 3:14 AM CDT | Tornado Warning | BMX | Dallas | 31 min |
| Apr 15, 3:20 AM CDT | Tornado Warning | BMX | Lowndes | 60 min |
| Apr 15, 3:41 AM CDT | Severe Thunderstorm Warning | BMX | Talladega | 34 min |
| Apr 15, 3:58 AM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 47 min |
| Apr 15, 3:58 AM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 47 min |
| Apr 15, 4:43 AM CDT | Severe Thunderstorm Warning | BMX | Bullock, Pike | 62 min |
| Apr 15, 5:48 AM CDT | Tornado Warning | BMX | Bullock, Pike | 32 min |
| Apr 15, 5:55 AM CDT | Tornado Warning | BMX | Barbour | 60 min |
| Apr 15, 6:00 AM CDT | Severe Thunderstorm Warning | BMX | Russell | 35 min |
| Apr 15, 6:16 AM CDT | Tornado Warning | BMX | Russell | 34 min |
| Apr 15, 7:16 AM CDT | Severe Thunderstorm Warning | BMX | Barbour | 49 min |
| Apr 15, 7:25 AM CDT | Tornado Warning | BMX | Barbour | 35 min |
| Apr 15, 8:09 AM CDT | Tornado Warning | BMX | Jackson | 31 min |
| Apr 15, 11:12 AM CDT | Severe Thunderstorm Warning | BMX | Chambers | 33 min |
| Apr 15, 6:21 AM CDT | Tornado Warning | BMX | Chattahoochee, Stewart | 49 min |
| Apr 15, 7:34 AM CDT | Severe Thunderstorm Warning | BMX | Stewart | 51 min |
| Apr 15, 7:38 AM CDT | Tornado Warning | BMX | Quitman | 62 min |
| Apr 15, 7:50 AM CDT | Tornado Warning | BMX | Stewart | 50 min |
| Apr 15, 8:41 AM CDT | Severe Thunderstorm Warning | BMX | Quitman, Stewart | 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.