Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 171, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 8, 1998, 6:09 PM CDT for Walker County, Winston County, Alabama. It was in force for 46 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 8, 1998, 6:09 PM CDT (23:09 UTC)
- Expired
- Apr 8, 1998, 6:55 PM CDT
- In force
- 46 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Walker County, AL, Winston County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 6:15 PM CDT | Hail 0.75 | Eldridge, AL | Three-quarter inch hail was reported in Eldridge. The hail report came from the Carbon Hill PD. |
| Apr 8, 6:50 PM CDT | Hail 1.75 | Good Spgs, AL | Golf ball size hail was reported in Goodsprings, in the southern part of the county. |
| Apr 8, 6:50 PM CDT | Thunderstorm Wind 50 | Arley, AL | There were several trees reported down and porches were blown off a few lake homes in the area along Smith Lake southeast of Arley. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 8, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.2 hours before the alert went out and 102 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
- 880 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.8
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 8, 10:09 AM CDT | Severe Thunderstorm Warning | BMX | Pike | 31 min |
| Apr 8, 10:25 AM CDT | Severe Thunderstorm Warning | BMX | Barbour | 65 min |
| Apr 8, 10:47 AM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 48 min |
| Apr 8, 11:13 AM CDT | Tornado Warning | BMX | Barbour | 32 min |
| Apr 8, 11:20 AM CDT | Severe Thunderstorm Warning | BMX | Dallas | 45 min |
| Apr 8, 12:07 PM CDT | Severe Thunderstorm Warning | BMX | Lee | 48 min |
| Apr 8, 12:14 PM CDT | Severe Thunderstorm Warning | BMX | Autauga | 51 min |
| Apr 8, 12:20 PM CDT | Severe Thunderstorm Warning | BMX | Chambers | 45 min |
| Apr 8, 2:20 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 35 min |
| Apr 8, 3:18 PM CDT | Severe Thunderstorm Warning | BMX | Lee | 47 min |
| Apr 8, 4:10 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 35 min |
| Apr 8, 4:23 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 47 min |
| Apr 8, 5:09 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Elmore | 51 min |
| Apr 8, 5:37 PM CDT | Severe Thunderstorm Warning | BMX | Coosa, Tallapoosa | 48 min |
| Apr 8, 6:10 PM CDT | Tornado Warning | BMX | Tallapoosa | 35 min |
| Apr 8, 6:13 PM CDT | Severe Thunderstorm Warning | BMX | Chambers | 47 min |
| Apr 8, 6:13 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 47 min |
| Apr 8, 6:22 PM CDT | Tornado Warning | BMX | Chambers | 48 min |
| Apr 8, 6:26 PM CDT | Tornado Warning | BMX | Autauga | 49 min |
| Apr 8, 6:26 PM CDT | Tornado Warning | BMX | Pickens | 49 min |
| Apr 8, 6:28 PM CDT | Severe Thunderstorm Warning | BMX | Colbert | 47 min |
| Apr 8, 6:31 PM CDT | Tornado Warning | BMX | Walker, Winston | 34 min |
| Apr 8, 6:33 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 32 min |
| Apr 8, 6:38 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 47 min |
| Apr 8, 6:45 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 50 min |
| Apr 8, 6:45 PM CDT | Tornado Warning | BMX | Elmore | 50 min |
| Apr 8, 6:58 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 47 min |
| Apr 8, 7:06 AM CDT | Severe Thunderstorm Warning | BMX | Quitman | 49 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.