Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 245, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 17, 1998, 12:22 AM CDT for Jefferson County, Alabama. It was in force for 48 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
- Apr 17, 1998, 12:22 AM CDT (05:22 UTC)
- Expired
- Apr 17, 1998, 1:10 AM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson 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 |
|---|---|---|---|
| Apr 16, 9:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 5.4 hours before the alert went out and 43 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
- 1586 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 3.6
- Supercell composite
- 16.9
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
Local storm report, Apr 16, 7:53 PM CDT, 4 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
753 PM CDT THU APR 16 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0648 PM TUSCUMBIA AL .75 INCH HAIL
04/16/98 COLBERT DIME SIZE HAIL 5 SOUTH
TUSCUMBIA...REPORTED BY
HAMS.
0703 PM MUSCLE SHOALS AL .75 INCH HAIL
04/16/98 COLBERT DIME SIZE HAIL AND HIGH
WIND IN MUSCLE
SHOALS...REPORTED BY HAMS.
0711 PM AL .88 INCH HAIL
04/16/98 COLBERT NICKEL SIZED HAIL NEAR
HIGHWAY 24 AND
48...REPORTED BY HAMS.
0725 PM AL TORNADO
04/16/98 LAMAR TORNADO BETWEEN
MISSISSIPPI STATE LINE AND
VERNON...REPORTED BY EMA.
0730 PM AL 1.75 INCH HAIL
04/16/98 LAMAR GOLFBALL SIZED HAIL IN
SOUTHERN LAMAR
COUNTY...REPORTED BY EMA.
0734 PM TUSCUMBIA AL WIND DAMAGE
04/16/98 COLBERT BUILDING DESTROYED AND ONE
MORE MOVED OFF
FOUNDATION...7 MILES SW
NEAR COUNTY RD.
41...REPORTED BY HAMS.Local storm report, Apr 16, 8:17 PM CDT, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
817 PM CDT THU APR 16 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0726 PM AL TORNADO
04/16/98 LAMAR POSSIBLE
TORNADO...NUMEROUS TREES
DOWN SW OF VERNON ON
COUNTY RD. 9 NEAR THE
DEMMAN CROSSROADS
COMMUNITY.
0750 PM AL WIND DAMAGE
04/16/98 LAMAR DAMAGE TO A CHURCH IN THE
STARR COMMUNITY.
0813 PM ATHENS AL TORNADO
04/16/98 LIMESTONE POSSIBLE TORNADO JUST EAST
OF ATHENS REPORTED BY
STORM SPOTTERS AND HAMS.Special weather statement, Apr 16, 9:16 PM CDT, 3 hours 6 minutes before
ALZ001>005-007-011>015-022-023-030-031-051-170250- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 916 PM CDT THU APR 16 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...LAUDERDALE... COLBERT... FRANKLIN... LAWRENCE... LIMESTONE ...MORGAN... MARION... LAMAR... FAYETTE... WINSTON... WALKER ...PICKENS... TUSCALOOSA... SUMTER... GREENE... CHOCTAW SEVERE WEATHER IS NO LONGER A THREAT IN THESE COUNTIES.
Special weather statement, Apr 16, 9:16 PM CDT, 3 hours 6 minutes before
ALZ001>005-007-011>015-022-023-030-031-051-170250- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 916 PM CDT THU APR 16 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...LAUDERDALE... COLBERT... FRANKLIN... LAWRENCE... LIMESTONE ...MORGAN... MARION... LAMAR... FAYETTE... WINSTON... WALKER ...PICKENS... TUSCALOOSA... SUMTER... GREENE... CHOCTAW SEVERE WEATHER IS NO LONGER A THREAT IN THESE COUNTIES.
Special weather statement, Apr 16, 11:36 PM CDT, 46 minutes before
ALZ006-009-170510- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1136 PM CDT THU APR 16 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...MADISON... JACKSON SEVERE WEATHER IS NO LONGER A THREAT SINCE THUNDERSTORMS HAVE MOVED EAST OF THE COUNTIES.
Special weather statement, Apr 16, 11:36 PM CDT, 46 minutes before
ALZ006-009-170510- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1136 PM CDT THU APR 16 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...MADISON... JACKSON SEVERE WEATHER IS NO LONGER A THREAT SINCE THUNDERSTORMS HAVE MOVED EAST OF THE COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 7:01 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence | 49 min |
| Apr 16, 7:01 PM CDT | Severe Thunderstorm Warning | BMX | Colbert | 34 min |
| Apr 16, 7:11 PM CDT | Tornado Warning | BMX | Lamar | 49 min |
| Apr 16, 7:14 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 51 min |
| Apr 16, 7:35 PM CDT | Tornado Warning | BMX | Fayette | 45 min |
| Apr 16, 7:48 PM CDT | Tornado Warning | BMX | Limestone | 47 min |
| Apr 16, 8:03 PM CDT | Tornado Warning | BMX | Walker | 47 min |
| Apr 16, 8:14 PM CDT | Tornado Warning | BMX | Madison | 66 min |
| Apr 16, 8:29 PM CDT | Tornado Warning | BMX | Jackson | 61 min |
| Apr 16, 8:32 PM CDT | Tornado Warning | BMX | Winston | 48 min |
| Apr 16, 8:35 PM CDT | Tornado Warning | BMX | Cullman | 65 min |
| Apr 16, 8:36 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 34 min |
| Apr 16, 9:05 PM CDT | Tornado Warning | BMX | Blount | 60 min |
| Apr 16, 9:32 PM CDT | Tornado Warning | BMX | Etowah | 63 min |
| Apr 16, 9:34 PM CDT | Tornado Warning | BMX | Jackson | 36 min |
| Apr 16, 9:40 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 50 min |
| Apr 16, 9:43 PM CDT | Tornado Warning | BMX | St. Clair | 32 min |
| Apr 16, 10:05 PM CDT | Tornado Warning | BMX | Marshall | 35 min |
| Apr 16, 10:06 PM CDT | Tornado Warning | BMX | DeKalb | 64 min |
| Apr 16, 10:13 PM CDT | Tornado Warning | BMX | Cherokee | 47 min |
| Apr 16, 10:38 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 32 min |
| Apr 16, 11:07 PM CDT | Tornado Warning | BMX | DeKalb | 48 min |
| Apr 16, 11:25 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 50 min |
| Apr 17, 12:26 AM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 44 min |
| Apr 17, 3:10 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 50 min |
| Apr 17, 6:08 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 47 min |
| Apr 17, 6:15 AM CDT | Severe Thunderstorm Warning | BMX | Chattahoochee | 20 min |
| Apr 17, 3:18 PM CDT | Severe Thunderstorm Warning | BMX | Chattahoochee | 47 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.