Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 25, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 17, 1998, 6:14 AM CST for Chambers County, Alabama. It was in force for 31 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
- Feb 17, 1998, 6:14 AM CST (12:14 UTC)
- Expired
- Feb 17, 1998, 6:45 AM CST
- In force
- 31 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Chambers 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 |
|---|---|---|---|
| Feb 17, 2:00 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.2 hours before the alert went out and 97 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
- 92 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 626 m²/s²
- 0-3 km storm-relative helicity
- 581 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
987 WUUS1 KBHM 171216 RRA SVRBHM ALC017-171245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 614 AM CST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL ALABAMA ...EASTERN CHAMBERS COUNTY... AT 612 AM CST... WEATHER RADAR SHOWED A BAND OF SEVERE THUNDERSTORMS OVER EASTERN CHAMBERS COUNTY. NICKEL SIZE HAIL WAS REPORTED BETWEEN LAFAYETTE AND LANETT. MOVEMENT WAS TO THE NORTHEAST AT 40 MPH. <<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, Feb 17, 4:00 AM CST, 2 hours 14 minutes before
ALZ030>033-039-040-049-050-171100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 400 AM CST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOR THE FOLLOWING COUNTIES: SUMTER...GREENE...HALE...PERRY MARENGO...DALLAS..PIKE AND BARBOUR.
Special weather statement, Feb 17, 4:35 AM CST, 1 hour 39 minutes before
ALZ022>025-034-035-041-042-171130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 435 AM CST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOvR THE FOLLOWING COUNTIES:PICKENS...TUSCALOOSA...BIBB...CHILTON ...JEFFERSON...SHELBY...AUTAUGA...AND LOWNDES.
Special weather statement, Feb 17, 4:35 AM CST, 1 hour 39 minutes before
ALZ022>025-034-035-041-042-171130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 435 AM CST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOvR THE FOLLOWING COUNTIES:PICKENS...TUSCALOOSA...BIBB...CHILTON ...JEFFERSON...SHELBY...AUTAUGA...AND LOWNDES.
Special weather statement, Feb 17, 5:35 AM CST, 39 minutes before
ALZ001>005-007-011>017-044-046-171200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 535 AM CST TUE FEB 17 1998 THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM THE SEVERE THUNDERSTORM WATCH: LAUDERDALE...LIMESTONE...FRANKLIN...LAWRENCE ...MORGAN...MARION...WINSTON...CULLMAN...BLOUNT...MARION...WINSTON ...LAMAR...FAYETTE..WALKER...MONTGOMERY AND BULLOCK.
Special weather statement, Feb 17, 5:35 AM CST, 39 minutes before
ALZ001>005-007-011>017-044-046-171200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 535 AM CST TUE FEB 17 1998 THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM THE SEVERE THUNDERSTORM WATCH: LAUDERDALE...LIMESTONE...FRANKLIN...LAWRENCE ...MORGAN...MARION...WINSTON...CULLMAN...BLOUNT...MARION...WINSTON ...LAMAR...FAYETTE..WALKER...MONTGOMERY AND BULLOCK.
Special weather statement, Feb 17, 5:58 AM CST, 16 minutes before
ALZ006-008>010-018>021-026>028-036-037-043-171230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 558 AM CST TUE FEB 17 1998 THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM THE SEVERE THUNDERSTORM WATCH: MADISON...JACKSON...MARSHALL...DEKALB... ETOWAH...CHEROKEE...ST.CLAIR...CALHOUN...CLEBURNE...TALLADEGA... CLAY...COOSA...TALLAPOOSA...AND ELMORE.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 12:48 AM CST | Severe Thunderstorm Warning | BMX | Dallas | 47 min |
| Feb 17, 1:13 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 47 min |
| Feb 17, 1:19 AM CST | Severe Thunderstorm Warning | BMX | Autauga | 46 min |
| Feb 17, 1:45 AM CST | Tornado Warning | BMX | Autauga | 50 min |
| Feb 17, 1:49 AM CST | Tornado Warning | BMX | Chilton | 56 min |
| Feb 17, 2:18 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 47 min |
| Feb 17, 2:22 AM CST | Severe Thunderstorm Warning | BMX | Coosa, Talladega | 63 min |
| Feb 17, 2:31 AM CST | Tornado Warning | BMX | Coosa, Talladega | 64 min |
| Feb 17, 2:37 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 18 min |
| Feb 17, 3:12 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 48 min |
| Feb 17, 3:36 AM CST | Severe Thunderstorm Warning | BMX | Calhoun | 64 min |
| Feb 17, 3:44 AM CST | Severe Thunderstorm Warning | BMX | Autauga, Lowndes | 46 min |
| Feb 17, 3:54 AM CST | Severe Thunderstorm Warning | BMX | Coosa | 46 min |
| Feb 17, 4:03 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 47 min |
| Feb 17, 4:19 AM CST | Severe Thunderstorm Warning | BMX | Clay | 51 min |
| Feb 17, 4:37 AM CST | Severe Thunderstorm Warning | BMX | Cleburne | 63 min |
| Feb 17, 4:44 AM CST | Severe Thunderstorm Warning | BMX | Randolph | 51 min |
| Feb 17, 5:04 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 46 min |
| Feb 17, 5:25 AM CST | Severe Thunderstorm Warning | BMX | Chambers | 50 min |
| Feb 17, 4:08 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, Cleburne | 62 min |
| Feb 17, 4:08 PM CST | Severe Thunderstorm Warning | BMX | Clay, Randolph | 62 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning in 1998
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.