Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 430, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 24, 1999, 7:45 PM CDT for Hale County, Alabama. It was in force for 50 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
- Jul 24, 1999, 7:45 PM CDT (00:45 UTC)
- Expired
- Jul 24, 1999, 8:35 PM CDT
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Hale County, AL
The radar
The Birmingham radar (KBMX), 92 km from the middle of the area, began a volume at 00:45 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, 0.8 hours before the alert went out and 92 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
- 2956 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 250044 SVRBHM ALC065-250135- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 745 PM CDT SAT JUL 24 1999 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED...A * SEVERE THUNDERSTORM WARNING FOR... HALE COUNTY...IN WEST CENTRAL ALABAMA... * UNTIL 835 PM CDT. * AT 744 PM CDT... WEATHER RADAR SHOWED A BAND OF SEVERE THUNDERSTORMS MOVING INTO WESTERN HALE COUNTY. MOVEMENT IS TO THE SOUTHEAST AT 15 MPH DAMAGING WINDS...AND HEAVY RAIN ARE LIKELY. HAIL IS ALSO LIKELY. GO INSIDE A STURDY BUILDING ...AND STAY AWAY FROM WINDOWS! IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER INFORMATION AND KEEP A WEATHER EYE ON THEJ SKY.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:07 PM CDT | Flash Flood Warning | BMX | Coosa | 2 hr |
| Jul 24, 7:13 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 32 min |
| Jul 24, 7:22 PM CDT | Severe Thunderstorm Warning | BMX | Winston | 48 min |
| Jul 24, 7:27 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 48 min |
| Jul 24, 7:33 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 62 min |
| Jul 24, 7:43 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 62 min |
| Jul 24, 8:24 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 51 min |
| Jul 24, 8:37 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Perry | 48 min |
| Jul 24, 8:39 PM CDT | Severe Thunderstorm Warning | BMX | Hale | 36 min |
| Jul 24, 8:44 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 36 min |
| Jul 24, 9:36 PM CDT | Severe Thunderstorm Warning | BMX | Bullock | 49 min |
| Jul 25, 6:29 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 36 min |
| Jul 25, 6:46 PM CDT | Severe Thunderstorm Warning | BMX | Chambers | 64 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; radar from the NEXRAD Level II archive.