Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 227, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 7, 1999, 3:09 PM CDT for Cleburne 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
- May 7, 1999, 3:09 PM CDT (20:09 UTC)
- Expired
- May 7, 1999, 3:40 PM CDT
- In force
- 31 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Cleburne 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 |
|---|---|---|---|
| May 7, 2:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 100 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
- 362 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, May 7, 10:09 AM CDT, 5 hours before
ALZ001>050-GAZ089-090-102-120-080300- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 1009 AM CDT FRI MAY 7 1999 THE WEAK FRONT ACROSS THE SOUTHEAST CORNER OF THE STATE WILL START TO MOVE EASTWARD TODAY AND ALLOW MOST OF THE RAIN TO GO WITH IT. OVER THE REST OF STATE THERE IS ONLY A SLIGHT CHANCE OF A THUNDERSTORM TODAY AND NO ORGANIZED SEVERE WEATHER IS EXPECTED. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY. THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA... SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA... LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 1:08 PM CDT | Tornado Warning | BMX | Autauga, Elmore | 32 min |
| May 7, 1:18 PM CDT | Tornado Warning | BMX | Randolph | 32 min |
| May 7, 1:23 PM CDT | Tornado Warning | BMX | Coosa | 32 min |
| May 7, 1:39 PM CDT | Tornado Warning | BMX | Elmore | 36 min |
| May 7, 1:45 PM CDT | Tornado Warning | BMX | Tallapoosa | 50 min |
| May 7, 2:33 PM CDT | Tornado Warning | BMX | Tallapoosa | 32 min |
| May 7, 2:36 PM CDT | Tornado Warning | BMX | Chambers | 49 min |
| May 7, 2:40 PM CDT | Tornado Warning | BMX | Randolph | 35 min |
| May 7, 3:13 PM CDT | Tornado Warning | BMX | Randolph | 32 min |
| May 7, 3:23 PM CDT | Tornado Warning | BMX | Chambers | 32 min |
| May 7, 6:34 PM CDT | Tornado Warning | BMX | Lee | 31 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1999Every severe thunderstorm warning in 1999
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.