Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 337, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 6, 1998, 7:52 PM CDT for Chilton County, Alabama. It was in force for 48 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
- May 6, 1998, 7:52 PM CDT (00:52 UTC)
- Expired
- May 6, 1998, 8:40 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Chilton County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 6, 8:15 PM CDT | Hail 1 | Maplesville, AL | Quarter size hail was reported southwest of Maplesville. |
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 00:00Z, 0.9 hours before the alert went out and 37 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
- 82 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 560 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
023 WUUS1 KBHM 070053 RRA SVRBHM ALC021-070140- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 752 PM CDT WED MAY 6 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN CHILTON COUNTY... IN CENTRAL ALABAMA * UNTIL 840 PM CDT * AT 750 PM CDT... A SEVERE THUNDERSTORM PRODUCING LARGE HAIL WAS SHOWN...BY WEATHER RADAR MOVING SOUTHEAST AT 25 MPH INTO EXTREME WESTERN CHILTON COUNTY. * THE SEVERE THUNDERSTORM WILL BE NEAR...MAPLESVILLE BETWEEN 800 AND 810 PM...AND NEAR RIDERVILLE BETWEEN 810 AND 820 PM. THIS STORM HAS A HISTORY OF PRODUCING PING PONG AND GOLF BALL SIZE HAIL. THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS. THIS THUNDERSTORM IS CAPABLE OF PRODUCING EXTREMELY LARGE HAIL WHICH MAY CAUSE SEVERE DAMAGE TO PROPERTY AND SERIOUS INJURY TO PEOPLE AND LIVESTOCK. DAMAGING WINDS AND TORRENTIAL RAIN ARE ALSO LIKELY WITH THIS STORM. MOVE TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS.
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, May 6, 6:00 PM CDT, 1 hour 52 minutes before
ALZ001>004-011-014-070000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 600 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA LAUDERDALE...FRANKLIN...COLBERT...LAWRENCE...MARION AND WINSTON. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
Special weather statement, May 6, 6:00 PM CDT, 1 hour 52 minutes before
ALZ001>004-011-014-070000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 600 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA LAUDERDALE...FRANKLIN...COLBERT...LAWRENCE...MARION AND WINSTON. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
Special weather statement, May 6, 6:15 PM CDT, 1 hour 37 minutes before
ALZ005>010-016-070015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 615 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA LIMESTONE...MADISON...MORGAN...MARSHALL...JACKSON...DEKALB AND CULLMAN. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
Special weather statement, May 6, 6:15 PM CDT, 1 hour 37 minutes before
ALZ005>010-016-070015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 615 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA LIMESTONE...MADISON...MORGAN...MARSHALL...JACKSON...DEKALB AND CULLMAN. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
Special weather statement, May 6, 7:15 PM CDT, 37 minutes before
ALZ017>018-020-070045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 715 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA BLOUNT...ETOWAH...AND CHEROKEE. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
Special weather statement, May 6, 7:15 PM CDT, 37 minutes before
ALZ017>018-020-070045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 715 PM CDT WED MAY 6 1998 THE TORNADO WATCH FOR THE FOLLOWING COUNTIES IN ALABAMA HAS BEEN CANCELLED... IN ALABAMA BLOUNT...ETOWAH...AND CHEROKEE. OTHER WATCHES AND WARNINGS WILL BE POSSIBLE AFTER MIDNIGHT TONIGHT ACROSS THESE COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:01 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 64 min |
| May 6, 7:05 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 60 min |
| May 6, 7:18 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 47 min |
| May 6, 7:25 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 60 min |
| May 6, 7:33 PM CDT | Severe Thunderstorm Warning | BMX | Clay | 47 min |
| May 6, 7:38 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 47 min |
| May 6, 7:42 PM CDT | Tornado Warning | BMX | Bibb | 18 min |
| May 6, 7:44 PM CDT | Tornado Warning | BMX | Perry | 46 min |
| May 6, 8:14 PM CDT | Tornado Warning | BMX | Autauga, Dallas | 66 min |
| May 6, 9:05 PM CDT | Tornado Warning | BMX | Autauga | 45 min |
| May 6, 9:08 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 47 min |
| May 6, 9:28 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes, Montgomery | 42 min |
| May 6, 10:13 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 47 min |
| May 6, 10:45 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes | 50 min |
| May 6, 11:24 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 31 min |
| May 6, 11:45 PM CDT | Severe Thunderstorm Warning | BMX | Pike | 65 min |
| May 7, 12:03 AM CDT | Severe Thunderstorm Warning | BMX | Barbour | 62 min |
| May 7, 4:29 AM CDT | Tornado Warning | BMX | Lauderdale | 36 min |
| May 7, 5:03 AM CDT | Tornado Warning | BMX | Lawrence | 32 min |
| May 7, 5:06 AM CDT | Tornado Warning | BMX | Lauderdale | 19 min |
| May 7, 5:10 AM CDT | Tornado Warning | BMX | Limestone | 30 min |
| May 7, 5:41 AM CDT | Tornado Warning | BMX | Limestone | 34 min |
| May 7, 5:50 AM CDT | Tornado Warning | BMX | Madison | 45 min |
| May 7, 6:20 AM CDT | Tornado Warning | BMX | Jackson | 25 min |
| May 7, 6:34 AM CDT | Tornado Warning | BMX | Madison | 31 min |
| May 7, 6:45 AM CDT | Tornado Warning | BMX | Jackson | 35 min |
| May 7, 4:13 PM CDT | Severe Thunderstorm Warning | BMX | Jackson | 47 min |
| May 7, 4:19 PM CDT | Tornado Warning | BMX | Limestone | 51 min |
| May 7, 4:25 PM CDT | Tornado Warning | BMX | Jackson | 50 min |
| May 7, 4:27 PM CDT | Tornado Warning | BMX | Madison | 63 min |
| May 7, 4:44 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 51 min |
| May 7, 5:03 PM CDT | Tornado Warning | BMX | Jackson | 67 min |
| May 7, 5:45 PM CDT | Tornado Warning | BMX | DeKalb | 50 min |
| May 7, 6:57 PM CDT | Severe Thunderstorm Warning | BMX | Franklin | 48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.