Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 429, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 15, 1997, 2:30 PM CDT for Shelby County, Alabama. It was in force for 35 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
- Jul 15, 1997, 2:30 PM CDT (19:30 UTC)
- Expired
- Jul 15, 1997, 3:05 PM CDT
- In force
- 35 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Shelby County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.5 hours before the alert went out and 14 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
- 1631 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -31 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 151930 RRA SVRBHM ALC117-152005- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 230 PM CDT TUE JUL 15 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 305 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ALABAMA ...NORTHERN SHELBY COUNTY AT 229 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM NEAR THE CITY OF VINCENT MOVING EAST AT 10 TO 15 MPH. 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. HEA<VY 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, Jul 15, 9:26 AM CDT, 5 hours 4 minutes before
ALZ001>050-GAZ089-090-102-120-151625- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 926 AM CDT TUE JUL 15 1997 A WEAK SURFACE FRONT ACROSS EXTREME NORTH ALABAMA WILL PROVIDE A FOCUS FOR SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ACROSS NORTH ALABAMA. ACROSS CENTRAL ALABAMA AND WEST-CENTRAL GEORGIA...THUNDERSTORM ACTIVITY SHOULD BE LESS NUMEROUS. NO SEVERE THUNDERSTORMS ARE EXPECTED BUT SOME OF THE STORMS COULD PRODUCE LOCALLY STRONG WINDS. SPOTTER ACTIVATION WILL NOT BE LIKELY TODAY. FOR THE SOUTHERN ALABAMA THUNDERSTORM OUTLOOK...SEE PRODUCT BHMSPSMOB.
Special weather statement, Jul 15, 9:27 AM CDT, 5 hours 3 minutes before
ALZ001>050-GAZ089-090-102-120-151625- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 926 AM CDT TUE JUL 15 1997 A WEAK SURFACE FRONT ACROSS EXTREME NORTH ALABAMA WILL PROVIDE A FOCUS FOR SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ACROSS NORTH ALABAMA. ACROSS CENTRAL ALABAMA AND WEST-CENTRAL GEORGIA...THUNDERSTORM ACTIVITY SHOULD BE LESS NUMEROUS. NO SEVERE THUNDERSTORMS ARE EXPECTEDX BUT SOME OF THE STORMS COULD PRODUCE LOCALLY STRONG WINDS. SPOTTER ACTIVATION WILL NOT BE LIKELY TODAY. FOR THE SOUTHERN ALABAMA THUNDERSTORM OUTLOOK...SEE PRODUCT BHMSPSMOB.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 4:11 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 34 min |
| Jul 15, 5:03 PM CDT | Severe Thunderstorm Warning | BMX | Lee | 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; the sounding from the Mesonet's radiosonde archive.