Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 119, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 21, 1997, 6:32 AM CST for Colbert County, Lauderdale County, Lawrence County, Alabama. It was in force for 58 min. 1 report 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
- Feb 21, 1997, 6:32 AM CST (12:32 UTC)
- Expired
- Feb 21, 1997, 7:30 AM CST
- In force
- 58 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Colbert County, AL, Lauderdale County, AL, Lawrence County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 21, 6:43 AM CST | Thunderstorm Wind 55 | Mt Hope, AL |
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 |
|---|---|---|---|
| Feb 21, 4:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 0.5 hours before the alert went out and 182 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
- 133 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHSV 211232 RRA SVRHSV ALC033-077-079-211330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 632 AM CST FRI FEB 21 1997 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONSS... IN NORTH ALABAMA ...EASTERN COLBERT COUNTY...LAUDERDALE COUNTY ...LAWRENCE COUNTY AT 630 AM...THE LINE OF THUNDERSTORMS EXTENDED FROM NEAR FLORENCE IN LAUDERDALE COUNTY TO NEAR LEIGHTON IN COLBERT COUNTY TO MOUNT HOPE IN SOUTHWESTERN LAWRENCE COUNTY. IT WAS MOVING TO THE EAST AT NEAR 30 MPH. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBERb 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 |
|---|---|---|---|---|
| Feb 21, 5:08 AM CST | Tornado Warning | BMX | Lamar, Pickens | 52 min |
| Feb 21, 5:51 AM CST | Tornado Warning | BMX | Marion | 69 min |
| Feb 21, 5:57 AM CST | Severe Thunderstorm Warning | BMX | Pickens | 48 min |
| Feb 21, 6:00 AM CST | Tornado Warning | BMX | Fayette, Lamar | 60 min |
| Feb 21, 6:05 AM CST | Severe Thunderstorm Warning | BMX | Winston | 55 min |
| Feb 21, 6:11 AM CST | Severe Thunderstorm Warning | BMX | Franklin | 64 min |
| Feb 21, 6:15 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 60 min |
| Feb 21, 6:18 AM CST | Severe Thunderstorm Warning | BMX | Franklin | 57 min |
| Feb 21, 6:28 AM CST | Severe Thunderstorm Warning | BMX | Walker | 62 min |
| Feb 21, 6:45 AM CST | Tornado Warning | BMX | Lawrence | 45 min |
| Feb 21, 6:56 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 64 min |
| Feb 21, 7:10 AM CST | Severe Thunderstorm Warning | BMX | Limestone | 50 min |
| Feb 21, 7:21 AM CST | Severe Thunderstorm Warning | BMX | Madison | 54 min |
| Feb 21, 7:24 AM CST | Severe Thunderstorm Warning | BMX | Morgan | 51 min |
| Feb 21, 7:53 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 67 min |
| Feb 21, 8:04 AM CST | Severe Thunderstorm Warning | BMX | Greene | 56 min |
| Feb 21, 8:21 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 54 min |
| Feb 21, 8:47 AM CST | Severe Thunderstorm Warning | BMX | Dallas | 43 min |
| Feb 21, 9:00 AM CST | Severe Thunderstorm Warning | BMX | Bibb | 45 min |
| Feb 21, 9:22 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 38 min |
| Feb 21, 9:29 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 46 min |
| Feb 21, 9:38 AM CST | Severe Thunderstorm Warning | BMX | Lowndes | 52 min |
| Feb 21, 9:57 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 33 min |
| Feb 21, 10:12 AM CST | Tornado Warning | BMX | Coosa, Elmore | 48 min |
| Feb 21, 10:19 AM CST | Tornado Warning | BMX | Montgomery | 41 min |
| Feb 21, 10:31 AM CST | Severe Thunderstorm Warning | BMX | Talladega | 44 min |
| Feb 21, 10:36 AM CST | Severe Thunderstorm Warning | BMX | Lowndes | 39 min |
| Feb 21, 10:45 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 45 min |
| Feb 21, 10:57 AM CST | Tornado Warning | BMX | Montgomery | 48 min |
| Feb 21, 11:01 AM CST | Tornado Warning | BMX | Elmore | 29 min |
| Feb 21, 11:15 AM CST | Severe Thunderstorm Warning | BMX | Chambers, Lee | 45 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.