Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 16, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 5, 1997, 1:43 AM CST for Bibb County, Shelby County, Alabama. It was in force for 47 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 5, 1997, 1:43 AM CST (07:43 UTC)
- Expired
- Jan 5, 1997, 2:30 AM CST
- In force
- 47 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Bibb County, AL, Shelby 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 |
|---|---|---|---|
| Jan 4, 11:15 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 7.7 hours before the alert went out and 12 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
- 826 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 864 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
077 WUUS1 KBHM 050742 RRA SVRBHM ALC007-117-050830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 143 AM CST SUN JAN 5 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL ALABAMA ...BIBB COUNTY...SHELBY COUNTY AT 143 AM CST...WEATHER RADAR CONTINUED TO SHOW A LINE OF SEVERE THUNDERSTORMS MOVING ACROSS SHELBY AND BIBB COUNTIES. THE STORMS EXTENDED FROM NEAR LEEDS TO CENTREVILLE. THE STORMS WERE MOVING EAST NORTHEAST AT 40 TO 45 MPH. THIS EXTENDS THE PREVIOUS WARNING FOR THESE COUNTIES. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jan 5, 12:45 AM CST, 58 minutes before
ALZ003>007-011>014-050730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1245 AM CST SUN JAN 5 1997 THE FOLLOWING COUNTIES IN NORTH ALABAMA HAVE BEEN CLEARED FROM SEVERE THUNDERSTORM WATCH NUMBER 5... LIMESTONE...MADISON...FRANKLIN...LAWRENCE...MORGAN...MARION... WINSTON...LAMAR...FAYETTE.
Special weather statement, Jan 5, 12:47 AM CST, 56 minutes before
ALZ003>007-011>014-050730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1245 AM CST SUN JAN 5 1997 THE FOLLOWING COUNTIES IN NORTH ALABAMA HAVE BEEN CLEARED FROM SEVERE THUNDERSTORM WATCH NUMBER 5... LIMESTONE...MADISON...FRANKLIN...LAWRENCE...MORGAN...MARION... WINSTON...LAMAR...FAYETTE.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 9:47 PM CST | Severe Thunderstorm Warning | BMX | Colbert | 58 min |
| Jan 4, 9:57 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 48 min |
| Jan 4, 10:14 PM CST | Severe Thunderstorm Warning | BMX | Franklin | 61 min |
| Jan 4, 11:09 PM CST | Severe Thunderstorm Warning | BMX | Limestone | 66 min |
| Jan 4, 11:16 PM CST | Severe Thunderstorm Warning | BMX | Morgan | 59 min |
| Jan 4, 11:22 PM CST | Severe Thunderstorm Warning | BMX | Madison | 68 min |
| Jan 4, 11:26 PM CST | Severe Thunderstorm Warning | BMX | Madison | 64 min |
| Jan 5, 12:07 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 68 min |
| Jan 5, 12:34 AM CST | Severe Thunderstorm Warning | BMX | Marshall | 56 min |
| Jan 5, 12:44 AM CST | Severe Thunderstorm Warning | BMX | DeKalb | 61 min |
| Jan 5, 12:59 AM CST | Severe Thunderstorm Warning | BMX | Hale, Tuscaloosa | 46 min |
| Jan 5, 1:05 AM CST | Severe Thunderstorm Warning | BMX | Bibb, Jefferson, Shelby | 40 min |
| Jan 5, 1:08 AM CST | Flash Flood Warning | BMX | Marshall | 2 hr |
| Jan 5, 1:13 AM CST | Severe Thunderstorm Warning | BMX | Etowah, St. Clair | 47 min |
| Jan 5, 1:29 AM CST | Severe Thunderstorm Warning | BMX | Cherokee | 46 min |
| Jan 5, 1:37 AM CST | Severe Thunderstorm Warning | BMX | Perry | 53 min |
| Jan 5, 1:53 AM CST | Severe Thunderstorm Warning | BMX | Talladega | 52 min |
| Jan 5, 3:00 AM CST | Severe Thunderstorm Warning | BMX | Clay, Randolph | 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; the sounding from the Mesonet's radiosonde archive.