Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 71, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 24, 1997, 6:54 PM CST for Jefferson 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
- Jan 24, 1997, 6:54 PM CST (00:54 UTC)
- Expired
- Jan 24, 1997, 7:45 PM CST
- In force
- 51 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
The radar
The Birmingham radar (KBMX), 44 km from the middle of the area, began a volume at 00:57 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 24, 3:30 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.9 hours before the alert went out and 43 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
- 966 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 494 m²/s²
- 0-3 km storm-relative helicity
- 542 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 11.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 250055 RRA SVRBHM ALC073-043-250145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 654 PM CST FRI JAN 24 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL ALABAMA ...NORTHERN JEFFERSON COUNTY IN NORTH ALABAMA ...CULLMAN COUNTY A SEVERE THUNDERSTORM...WITH A HISTORY OF PRODUCING LARGE HAIL...WILL MOVE ACROSS NORTHERN JEFFERSON COUNTY THROUGH 745 PM. THIS STORM WILL ALSO AFFECT SOUTHERN CULLMAN COUNTY. ADDITIONALLY...A LINE OF SEVERE THUNDERSTORMS OVER EASTERN WINSTON COUNTY WILL MOVE EAST ACROSS MOST OF CULLMAN COUNTY THROUGH 745 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 6:10 PM CST | Severe Thunderstorm Warning | BMX | Franklin | 65 min |
| Jan 24, 6:14 PM CST | Severe Thunderstorm Warning | BMX | Walker | 61 min |
| Jan 24, 6:17 PM CST | Severe Thunderstorm Warning | BMX | Winston | 43 min |
| Jan 24, 6:20 PM CST | Severe Thunderstorm Warning | BMX | Morgan | 55 min |
| Jan 24, 6:23 PM CST | Severe Thunderstorm Warning | BMX | Cleburne | 52 min |
| Jan 24, 6:30 PM CST | Tornado Warning | BMX | Franklin | 60 min |
| Jan 24, 6:32 PM CST | Tornado Warning | BMX | St. Clair | 43 min |
| Jan 24, 6:35 PM CST | Severe Thunderstorm Warning | BMX | Jackson | 55 min |
| Jan 24, 6:38 PM CST | Tornado Warning | BMX | Talladega | 37 min |
| Jan 24, 6:45 PM CST | Severe Thunderstorm Warning | BMX | Lawrence | 60 min |
| Jan 24, 6:45 PM CST | Severe Thunderstorm Warning | BMX | Marshall | 60 min |
| Jan 24, 6:54 PM CST | Severe Thunderstorm Warning | BMX | Cullman | 51 min |
| Jan 24, 6:59 PM CST | Tornado Warning | BMX | Marshall | 61 min |
| Jan 24, 7:01 PM CST | Severe Thunderstorm Warning | BMX | Blount | 44 min |
| Jan 24, 7:09 PM CST | Severe Thunderstorm Warning | BMX | Morgan | 66 min |
| Jan 24, 7:09 PM CST | Severe Thunderstorm Warning | BMX | DeKalb | 66 min |
| Jan 24, 7:11 PM CST | Severe Thunderstorm Warning | BMX | Calhoun | 64 min |
| Jan 24, 7:31 PM CST | Severe Thunderstorm Warning | BMX | Limestone, Madison | 59 min |
| Jan 24, 7:31 PM CST | Tornado Warning | BMX | Blount | 44 min |
| Jan 24, 7:37 PM CST | Tornado Warning | BMX | Calhoun, Cleburne | 53 min |
| Jan 24, 7:41 PM CST | Severe Thunderstorm Warning | BMX | Walker | 49 min |
| Jan 24, 7:46 PM CST | Severe Thunderstorm Warning | BMX | Pickens, Tuscaloosa | 59 min |
| Jan 24, 7:53 PM CST | Tornado Warning | BMX | Etowah | 52 min |
| Jan 24, 7:55 PM CST | Severe Thunderstorm Warning | BMX | Jackson | 65 min |
| Jan 24, 8:01 PM CST | Severe Thunderstorm Warning | BMX | Cullman | 59 min |
| Jan 24, 8:01 PM CST | Severe Thunderstorm Warning | BMX | Jefferson | 59 min |
| Jan 24, 8:09 PM CST | Tornado Warning | BMX | St. Clair | 36 min |
| Jan 24, 8:12 PM CST | Severe Thunderstorm Warning | BMX | DeKalb | 63 min |
| Jan 24, 8:24 PM CST | Severe Thunderstorm Warning | BMX | Blount | 51 min |
| Jan 24, 8:28 PM CST | Tornado Warning | BMX | Jefferson | 47 min |
| Jan 24, 8:33 PM CST | Severe Thunderstorm Warning | BMX | Walker | 57 min |
| Jan 24, 8:35 PM CST | Severe Thunderstorm Warning | BMX | Greene, Sumter | 40 min |
| Jan 24, 8:41 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 49 min |
| Jan 24, 8:51 PM CST | Severe Thunderstorm Warning | BMX | Bibb | 69 min |
| Jan 24, 8:51 PM CST | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair, Shelby | 69 min |
| Jan 24, 8:51 PM CST | Severe Thunderstorm Warning | BMX | Hale | 69 min |
| Jan 24, 8:59 PM CST | Severe Thunderstorm Warning | BMX | Cherokee | 31 min |
| Jan 24, 9:03 PM CST | Tornado Warning | BMX | Blount, St. Clair | 27 min |
| Jan 24, 9:12 PM CST | Severe Thunderstorm Warning | BMX | Greene, Sumter | 48 min |
| Jan 24, 9:45 PM CST | Severe Thunderstorm Warning | BMX | Etowah | 30 min |
| Jan 24, 9:56 PM CST | Severe Thunderstorm Warning | BMX | Bibb, Hale, Shelby | 64 min |
| Jan 24, 9:56 PM CST | Severe Thunderstorm Warning | BMX | Greene, Sumter | 64 min |
| Jan 24, 9:56 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, St. Clair, Talladega | 64 min |
| Jan 24, 10:18 PM CST | Severe Thunderstorm Warning | BMX | Jefferson | 42 min |
| Jan 24, 10:23 PM CST | Severe Thunderstorm Warning | BMX | Cleburne | 67 min |
| Jan 24, 10:45 PM CST | Severe Thunderstorm Warning | BMX | Marengo | 45 min |
| Jan 24, 11:01 PM CST | Severe Thunderstorm Warning | BMX | Chilton | 44 min |
| Jan 24, 11:29 PM CST | Severe Thunderstorm Warning | BMX | Autauga | 31 min |
| Jan 24, 11:32 PM CST | Severe Thunderstorm Warning | BMX | Perry | 28 min |
| Jan 24, 11:36 PM CST | Severe Thunderstorm Warning | BMX | Dallas | 54 min |
| Jan 25, 12:09 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 51 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997
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.