Alert archive / Alabama / Tornado Warnings in 1998
Tornado Warning 129, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at May 9, 1998, 7:48 PM CDT for Sumter County, Alabama. It was in force for 77 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
- May 9, 1998, 7:48 PM CDT (00:48 UTC)
- Expired
- May 9, 1998, 9:05 PM CDT
- In force
- 77 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Sumter 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 |
|---|---|---|---|
| May 9, 7:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.8 hours before the alert went out and 148 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
- 213 J/kg
- Mixed-layer CIN
- -309 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
786 WFUS1 KBHM 100049 RRA TORBHM ALC119-100205- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 748 PM CDT SAT MAY 9 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * TORNADO WARNING FOR... SUMTER COUNTY... IN WEST CENTRAL ALABAMA * UNTIL 905 PM CDT * AT 745 PM CDT...TWO STORMS WERE DETECTED BY NATIONAL WEATHER SERVICE DOPPLER BOTH OF WHICH MAY CONTAIN TORNADOES. ONE STORM WAS LOCATED JUST WEST OF THE STATE LINE ABOUT 5 MILES WEST OF GEIGER. ANOTHER STORM WAS LOCATED ABOUT 20 MILES WEST OF THE STATE LINE AND WILL BE AFFECTING THE SOUTHERN PORTION OF THE COUNTY. THIS STORM WILL AFFECT THE CUBA AND YORK AREAS. THESE STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:06 PM CDT | Tornado Warning | BMX | Tuscaloosa | 69 min |
| May 9, 7:33 PM CDT | Tornado Warning | BMX | Greene | 62 min |
| May 9, 7:39 PM CDT | Tornado Warning | BMX | Jefferson | 76 min |
| May 9, 7:41 PM CDT | Tornado Warning | BMX | Pickens | 34 min |
| May 9, 7:57 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 48 min |
| May 9, 8:09 PM CDT | Tornado Warning | BMX | Tuscaloosa | 51 min |
| May 9, 8:24 PM CDT | Tornado Warning | BMX | Hale | 61 min |
| May 9, 8:29 PM CDT | Tornado Warning | BMX | Greene | 36 min |
| May 9, 8:35 PM CDT | Tornado Warning | BMX | Bibb | 65 min |
| May 9, 8:48 PM CDT | Tornado Warning | BMX | Shelby | 77 min |
| May 9, 8:53 PM CDT | Tornado Warning | BMX | Jefferson | 47 min |
| May 9, 9:22 PM CDT | Tornado Warning | BMX | Chilton | 63 min |
| May 9, 9:50 PM CDT | Tornado Warning | BMX | Coosa | 65 min |
| May 9, 9:55 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 50 min |
| May 9, 9:58 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 47 min |
| May 9, 10:12 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 63 min |
| May 9, 11:22 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 63 min |
| May 9, 11:24 PM CDT | Severe Thunderstorm Warning | BMX | Clay | 36 min |
| May 9, 11:30 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 50 min |
| May 9, 11:39 PM CDT | Tornado Warning | BMX | Jefferson | 51 min |
| May 9, 11:53 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 47 min |
| May 9, 11:55 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 50 min |
| May 10, 12:23 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 62 min |
| May 10, 12:34 AM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Talladega | 66 min |
| May 10, 1:25 AM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 45 min |
| May 10, 6:49 AM CDT | Tornado Warning | BMX | Chambers | 31 min |
Nearby
Tornado Warnings in Alabama, 1998Every tornado warning in 1998Tornadoes 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; the sounding from the Mesonet's radiosonde archive.