Alert archive / Alabama / Flash Flood Warnings in 1999
Flash Flood Warning 57, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 24, 1999, 7:07 PM CDT for Coosa County, Alabama. It was in force for 2 hr. 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, 7:07 PM CDT (00:07 UTC)
- Expired
- Jul 24, 1999, 9:10 PM CDT
- In force
- 2 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Coosa County, AL
The radar
The Birmingham radar (KBMX), 55 km from the middle of the area, began a volume at 00:09 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, 0.1 hours before the alert went out and 57 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 250006 FFWBHM ALC037-250210- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 707 PM CDT SAT JUL 24 1999 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A... * FLASH FLOOD WARNING FOR... COOSA COUNTY... IN CENTRAL ALABAMA. * UNTIL 910 PM CDT * AT 703 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS MUCH OF COOSA COUNTY. THE STORMS WERE NEARLY STATIONARY AND WILL CONTINUE TO PRODUCE HEAVY RAINFALL THE NEXT FEW HOURS. * DOPPLER RADAR INDICATED BETWEEN 2 AND 3 INCHES OF RAIN HAS OCCURRED ACROSS COOSA COUNTY SINCE 530 PM CDT. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 7:45 PM CDT | Severe Thunderstorm Warning | BMX | Hale | 50 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
Flash Flood Warnings in Alabama, 1999Every flash flood 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.