Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 496, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Nov 1, 1997, 10:54 AM CST for Calhoun County, Alabama. It was in force for 46 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
- Nov 1, 1997, 10:54 AM CST (16:54 UTC)
- Expired
- Nov 1, 1997, 11:40 AM CST
- In force
- 46 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Calhoun County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 4.9 hours before the alert went out and 110 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 011654 RRA SVRBHM ALC015-011740- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 1054 AM CST SAT NOV 1 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1140 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL ALABAMA ...CALHOUN COUNTY... AT 1052 AM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM PRODUCING LARGE HAIL 8 MILES WEST OF WEAVER MOVING EAST AT 40 MPH. SOME LOCATIONS IN THE PATH OF THIS STORM ARE... WEAVER AROUND 1053 AM CST... FORT MCCLELLAN AROUND 1054 AM CST... JACKSONVILLE AROUND 1057 AM CST... WHITE PLAINS AROUND 1103 AM CST... PIEDMONT AROUND 1109 AM CST... <<CALL TO ACTION>> SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 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, Nov 1, 9:37 AM CST, 1 hour 17 minutes before
ALZ001>050-GAZ089-090-102-120-020100- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 940 AM CST SAT NOV 1 1997 A COLD FRONT WILL MOVE INTO WEST ALABAMA EARLY THIS AFTERNOON AND WILL BE LOCATED NEAR THE ALABAMA/GEORGIA STATE LINE BY SUNSET. THE AIRMASS ACROSS THE REGION WILL BECOME MORE UNSTABLE AS SOUTH WINDS INCREASE DURING THE DAY. THE STORM PREDICTION CENTER HAS OUTLOOKED THE AREA FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS. ANY THUNDERSTORMS THAT DEVELOP TODAY WILL HAVE THE POTENTIAL TO BECOME SEVERE...WITH LARGE HAIL BEING THE PRIMARY THREAT. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE ON STANDBY AND BE READY FOR SEVERE WEATHER ACTIVATION IF A SEVERE THUNDERSTORM OR TORNADO WATCH IS ISSUED. FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT BHMSPSMOB. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/INDEX.HTML ON THE WORLD WIDE WEB.
Special weather statement, Nov 1, 9:40 AM CST, 1 hour 14 minutes before
ALZ001>050-GAZ089-090-102-120-020100- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 940 AM CST SAT NOV 1 1997 A COLD FRONT WILL MOVE INTO WEST ALABAMA EARLY THIS AFTERNOON AND WILL BE LOCATED NEAR THE ALABAMA/GEORGIA STATE LINE BY SUNSET. THE AIRMASS ACROSS THE REGION WILL BECOME MORE UNSTABLE AS SOUTH WINDS INCREASE DURING THE DAY. THE STORM PREDICTION CENTER HAS OUTLOOKED THE AREA FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS. ANY THUNDERSTORMS THAT DEVELOP TODAY WILL HAVE THE POTENTIAL TO BECOME SEVERE...WITH LARGE HAIL BEING THE PRIMARY THREAT. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE ON STANDBY AND BE READY FOR SEVERE WEATHER ACTIVATION IF A SEVERE THUNDERSTORM OR TORNADO WATCH IS ISSUED. FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT BHMSPSMOB. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/INDEX.HTML ON THE WORLD WIDE WEB.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 12:31 PM CST | Severe Thunderstorm Warning | BMX | Sumter | 49 min |
| Nov 1, 12:36 PM CST | Severe Thunderstorm Warning | BMX | Pickens, Tuscaloosa | 49 min |
| Nov 1, 12:38 PM CST | Severe Thunderstorm Warning | BMX | Jefferson | 47 min |
| Nov 1, 12:47 PM CST | Severe Thunderstorm Warning | BMX | Greene | 48 min |
| Nov 1, 1:14 PM CST | Severe Thunderstorm Warning | BMX | Marengo | 46 min |
| Nov 1, 1:22 PM CST | Severe Thunderstorm Warning | BMX | Hale | 63 min |
| Nov 1, 1:45 PM CST | Severe Thunderstorm Warning | BMX | Perry | 35 min |
| Nov 1, 1:58 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale, Limestone | 47 min |
| Nov 1, 2:03 PM CST | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair | 47 min |
| Nov 1, 2:03 PM CST | Severe Thunderstorm Warning | BMX | Dallas | 32 min |
| Nov 1, 2:15 PM CST | Severe Thunderstorm Warning | BMX | Madison | 45 min |
| Nov 1, 2:25 PM CST | Severe Thunderstorm Warning | BMX | Perry | 35 min |
| Nov 1, 2:30 PM CST | Severe Thunderstorm Warning | BMX | Pike | 50 min |
| Nov 1, 2:36 PM CST | Severe Thunderstorm Warning | BMX | Bullock, Montgomery | 49 min |
| Nov 1, 2:49 PM CST | Tornado Warning | BMX | Russell | 51 min |
| Nov 1, 2:56 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, Talladega | 49 min |
| Nov 1, 3:12 PM CST | Severe Thunderstorm Warning | BMX | Macon | 33 min |
| Nov 1, 3:15 PM CST | Severe Thunderstorm Warning | BMX | Barbour | 50 min |
| Nov 1, 3:27 PM CST | Severe Thunderstorm Warning | BMX | Montgomery, Pike | 48 min |
| Nov 1, 3:36 PM CST | Severe Thunderstorm Warning | BMX | Lee | 49 min |
| Nov 1, 3:53 PM CST | Severe Thunderstorm Warning | BMX | Russell | 47 min |
| Nov 1, 4:13 PM CST | Severe Thunderstorm Warning | BMX | Bullock, Montgomery | 32 min |
| Nov 1, 4:21 PM CST | Severe Thunderstorm Warning | BMX | Pike | 49 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.