Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 505, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Nov 1, 1997, 2:03 PM CST for Jefferson County, St. Clair County, Alabama. It was in force for 47 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
- Nov 1, 1997, 2:03 PM CST (20:03 UTC)
- Expired
- Nov 1, 1997, 2:50 PM CST
- In force
- 47 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Jefferson County, AL, St. Clair County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 1, 2:04 PM CST | Hail 0.75 | Trussville, AL | Penny sized hail was reported in Trussville. |
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 nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.1 hours before the alert went out and 53 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 4 hours 26 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, 4 hours 23 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, 10:54 AM CST | Severe Thunderstorm Warning | BMX | Calhoun | 46 min |
| 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 | 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 |
| Nov 1, 8:34 AM CST | Severe Thunderstorm Warning | BMX | Muscogee | 36 min |
| Nov 1, 2:55 PM CST | Tornado Warning | BMX | Muscogee | 50 min |
| Nov 1, 3:18 PM CST | Tornado Warning | BMX | Chattahoochee | 32 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.