Alert archive / Alabama / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 440, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Sep 16, 1996, 10:20 PM CDT for Clay County, Talladega County, Alabama. It was in force for 40 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
- Sep 16, 1996, 10:20 PM CDT (03:20 UTC)
- Expired
- Sep 16, 1996, 11:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Clay County, AL, Talladega County, AL
The radar
The Birmingham radar (KBMX), 72 km from the middle of the area, began a volume at 03:23 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 3.3 hours before the alert went out and 73 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
- 1972 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 15.7
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, 7:29 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 730 PM CDT MON SEP 16 1996 SEVERE THUNDERSTORM WATCH...NUMBER 1023...HAS BEEN CANCELLED. THAT WATCH INCLUDED THE FOLLOWING COUNTIES IN WESTERN AND NORTH CENTRAL ALABAMA: MARION...WINSTON...CULLMAN...LAMAR...FAYETTE...WALKER...PICKENS... TUSCALOOSA...SUMTER...GREENE...HALE...AND CHOCTAW.
Special weather statement, Sep 16, 7:48 PM CDT, 2 hours 32 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 7:01 PM CDT | Tornado Warning | BMX | Cleburne | 44 min |
| Sep 16, 7:09 PM CDT | Tornado Warning | BMX | Calhoun | 51 min |
| Sep 16, 7:23 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon | 52 min |
| Sep 16, 7:29 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 46 min |
| Sep 16, 7:34 PM CDT | Tornado Warning | BMX | Lowndes | 26 min |
| Sep 16, 8:06 PM CDT | Severe Thunderstorm Warning | BMX | Pike | 54 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.