Alert archive / Alabama / Tornado Warnings in 1998
Tornado Warning 5, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Feb 17, 1998, 1:45 AM CST for Autauga County, Alabama. It was in force for 50 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
- Feb 17, 1998, 1:45 AM CST (07:45 UTC)
- Expired
- Feb 17, 1998, 2:35 AM CST
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Autauga County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 7.8 hours before the alert went out and 73 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
- 572 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
530 WFUS1 KBHM 170747 RRA TORBHM ALC001-170835- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 145 AM CST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 235 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ALABAMA ...AUTAUGA COUNTY... AT 143 AM CST... WEATHER RADAR SHOWED A TORNADO IN WESTERN AUTAUGA NEAR BONITA MOVING NORTHEAST AT 35 MPH. <<CALL TO ACTION>> IF YOU LIVE IN A HOME OR APARTMENT... SEEK REFUGE IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS... BLANKETS... OR PILLOWS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 12:48 AM CST | Severe Thunderstorm Warning | BMX | Dallas | 47 min |
| Feb 17, 1:13 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 47 min |
| Feb 17, 1:19 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 46 min |
| Feb 17, 1:49 AM CST | Tornado Warning | BMX | Chilton | 56 min |
| Feb 17, 2:18 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 47 min |
| Feb 17, 2:22 AM CST | Severe Thunderstorm Warning | BMX | Coosa, Talladega | 63 min |
| Feb 17, 2:31 AM CST | Tornado Warning | BMX | Coosa, Talladega | 64 min |
| Feb 17, 2:37 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 18 min |
| Feb 17, 3:12 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 48 min |
| Feb 17, 3:36 AM CST | Severe Thunderstorm Warning | BMX | Calhoun | 64 min |
| Feb 17, 3:44 AM CST | Severe Thunderstorm Warning | BMX | Autauga, Lowndes | 46 min |
| Feb 17, 3:54 AM CST | Severe Thunderstorm Warning | BMX | Coosa | 46 min |
| Feb 17, 4:03 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 47 min |
| Feb 17, 4:19 AM CST | Severe Thunderstorm Warning | BMX | Clay | 51 min |
| Feb 17, 4:37 AM CST | Severe Thunderstorm Warning | BMX | Cleburne | 63 min |
| Feb 17, 4:44 AM CST | Severe Thunderstorm Warning | BMX | Randolph | 51 min |
| Feb 17, 5:04 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 46 min |
| Feb 17, 5:25 AM CST | Severe Thunderstorm Warning | BMX | Chambers | 50 min |
| Feb 17, 6:14 AM CST | Severe Thunderstorm Warning | BMX | Chambers | 31 min |
| Feb 17, 4:08 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, Cleburne | 62 min |
| Feb 17, 4:08 PM CST | Severe Thunderstorm Warning | BMX | Clay, Randolph | 62 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.