Alert archive / Alabama / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 421, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Sep 16, 1996, 4:05 PM CDT for Limestone County, Alabama. It was in force for 55 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
- Sep 16, 1996, 4:05 PM CDT (21:05 UTC)
- Expired
- Sep 16, 1996, 5:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Limestone County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 16, 4:30 PM CDT | Thunderstorm Wind 50 | Athens, AL |
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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.1 hours before the alert went out and 151 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
- 351 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 327 m²/s²
- 0-3 km storm-relative helicity
- 388 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
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, Sep 16, 11:35 AM CDT, 4 hours 30 minutes before
ALZ001>007-011>013-161835- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1135 AM CDT MON SEP 16 1996 THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM THE TORNADO WATCH... ...MADISON...MORGAN...LAUDERDALE...LIMESTONE...LAWRENCE...COLBERT... FRANKLIN...MARION...LAMAR...AND FAYETTE. AT 1134AM...SHOWERS AND THUNDERSTORMS HAVE MOVED EASTWARD AND ONLY A FEW RAIN SHOWERS WERE OCCURRING OVER PARTS OF NORTH AND NORTHWEST ALABAMA. THUND"ERSTORMS WILL LIKELY RETURN TO PARTS OF NORTH ALABAMA LATER THIS AFTERNOON THROUGH EARLY EVENING AND CONDITIONS MAY ONCE AGAIN IMPROVE FOR SEVERE WEATHER.
Special weather statement, Sep 16, 12:41 PM CDT, 3 hours 24 minutes before
ALZ001>057-161835- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1235 PM CDT MON SEP 16 1996 TORNADO WATCH NUMBER 1020 FOR MUCH OF CENTRAL AND WESTERN ALABAMA HAS BEEN CANCELLED. A NEW TORNADO WATCH #1022 IS NOW IN EFFECT FOR MUCH OF EAST AND EAST-CENTRAL SECTIONS UNTIL 800 PM. THIS NEW WATCH IS EAST OF A LINE FROM CALHOUN COUNTY TO TALLADEGA TO CHILTON TO DALLAS TO WILCOX COUNTIES AND NORTH OF A LINE FROM BUTLER TO CRENSHAW TO PIKE TO BARBOUR COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 6:45 AM CDT | Tornado Warning | BMX | Lamar | 45 min |
| Sep 16, 7:08 AM CDT | Tornado Warning | BMX | Marion | 52 min |
| Sep 16, 7:40 AM CDT | Severe Thunderstorm Warning | BMX | Morgan | 65 min |
| Sep 16, 7:47 AM CDT | Tornado Warning | BMX | Winston | 43 min |
| Sep 16, 8:14 AM CDT | Tornado Warning | BMX | Limestone | 46 min |
| Sep 16, 8:18 AM CDT | Severe Thunderstorm Warning | BMX | Cullman | 57 min |
| Sep 16, 8:27 AM CDT | Severe Thunderstorm Warning | BMX | Madison | 63 min |
| Sep 16, 9:00 AM CDT | Severe Thunderstorm Warning | BMX | Morgan | 45 min |
| Sep 16, 9:40 AM CDT | Severe Thunderstorm Warning | BMX | Marshall | 65 min |
| Sep 16, 9:49 AM CDT | Tornado Warning | BMX | Marshall | 56 min |
| Sep 16, 9:59 AM CDT | Severe Thunderstorm Warning | BMX | Jackson | 61 min |
| Sep 16, 10:11 AM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 64 min |
| Sep 16, 2:40 PM CDT | Severe Thunderstorm Warning | BMX | Franklin | 65 min |
| Sep 16, 2:43 PM CDT | Severe Thunderstorm Warning | BMX | Marion | 47 min |
| Sep 16, 2:52 PM CDT | Severe Thunderstorm Warning | BMX | Colbert | 68 min |
| Sep 16, 3:12 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale, Lawrence | 63 min |
| Sep 16, 3:53 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 37 min |
| Sep 16, 4:22 PM CDT | Tornado Warning | BMX | Bibb | 38 min |
| Sep 16, 4:27 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 48 min |
| Sep 16, 4:36 PM CDT | Severe Thunderstorm Warning | BMX | Madison | 69 min |
| Sep 16, 4:42 PM CDT | Severe Thunderstorm Warning | BMX | Marshall, Morgan | 63 min |
| Sep 16, 4:50 PM CDT | Tornado Warning | BMX | Chilton | 40 min |
| Sep 16, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 43 min |
| Sep 16, 5:06 PM CDT | Severe Thunderstorm Warning | BMX | Franklin | 69 min |
| Sep 16, 5:09 PM CDT | Flash Flood Warning | BMX | Cullman | 2 hr |
| Sep 16, 5:29 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 61 min |
| Sep 16, 5:29 PM CDT | Tornado Warning | BMX | Blount | 31 min |
| Sep 16, 5:31 PM CDT | Tornado Warning | BMX | Chilton | 29 min |
| Sep 16, 5:34 PM CDT | Severe Thunderstorm Warning | BMX | Dallas, Marengo, Perry | 41 min |
| Sep 16, 5:47 PM CDT | Tornado Warning | BMX | St. Clair | 58 min |
| Sep 16, 6:00 PM CDT | Severe Thunderstorm Warning | BMX | Autauga | 45 min |
| Sep 16, 6:01 PM CDT | Tornado Warning | BMX | Coosa, Elmore | 44 min |
| Sep 16, 6:05 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 40 min |
| Sep 16, 6:12 PM CDT | Severe Thunderstorm Warning | BMX | Dallas | 33 min |
| Sep 16, 6:15 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 30 min |
| Sep 16, 6:16 PM CDT | Tornado Warning | BMX | Calhoun | 44 min |
| Sep 16, 6:19 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes | 41 min |
| Sep 16, 6:35 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 55 min |
| Sep 16, 6:39 PM CDT | Tornado Warning | BMX | Dallas | 36 min |
| Sep 16, 6:44 PM CDT | Severe Thunderstorm Warning | BMX | Autauga | 31 min |
| Sep 16, 6:45 PM CDT | Severe Thunderstorm Warning | BMX | Coosa, Elmore | 45 min |
| Sep 16, 6:54 PM CDT | Tornado Warning | BMX | Lowndes | 36 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1996Every severe thunderstorm warning in 1996
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.