Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 21, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Feb 15, 1990, 9:02 PM CST for Walker County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 9:02 PM CST (03:02 UTC)
- Expired
- Feb 16, 1990, 12:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Walker County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 3.0 hours before the alert went out and 101 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
- 1 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 239 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 160305 FFWBHM ALC125-127-063-160600- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 902 PM CST THU FEB 15 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH ALABAMA ...TUSCALOOSA COUNTY...WALKER COUNTY IN SOUTH ALABAMA ...GREENE COUNTY AT 900 PM A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED ACROSS GREENE...TUSCALOOSA...AND WALKER COUNTIES. OVER 4 INCHES OF RAIN HAS ALREADY OCCURRED IN THESE AREAS AND THESE THUNDERSTORMS COULD PRODUCE ANOTHER 2 OR MORE INCHES IN JUST A SHORT PERIOD OF TIME. THIS WILL LIKELY RESULT IN ADDITIONAL SERIOUS FLASH FLOODING. THIS IS AN EXTENSION OF THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR TUSCALOOSA COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 6:14 PM CST | Flash Flood Warning | BMX | Tuscaloosa | 3 hr |
| Feb 15, 6:14 PM CST | Flash Flood Warning | BMX | Shelby | 3 hr |
| Feb 15, 6:21 PM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Marshall | 6 hr |
| Feb 15, 6:22 PM CST | Severe Thunderstorm Warning | BMX | Bibb, Perry | 58 min |
| Feb 15, 7:03 PM CST | Severe Thunderstorm Warning | BMX | Talladega | 42 min |
| Feb 15, 7:15 PM CST | Tornado Warning | BMX | Winston | 30 min |
| Feb 15, 7:50 PM CST | Flash Flood Warning | BMX | Calhoun, St. Clair | 3 hr |
| Feb 15, 8:25 PM CST | Flash Flood Warning | BMX | Lauderdale, Lawrence, Limestone, Madison, Morgan | 4 hr |
| Feb 15, 8:25 PM CST | Flash Flood Warning | BMX | Marshall | 4 hr |
| Feb 15, 8:42 PM CST | Severe Thunderstorm Warning | BMX | Colbert, Lauderdale | 63 min |
| Feb 15, 8:55 PM CST | Flash Flood Warning | BMX | Talladega | 5 hr |
| Feb 15, 8:55 PM CST | Flash Flood Warning | BMX | Hale | 5 hr |
| Feb 15, 9:02 PM CST | Flash Flood Warning | BMX | Greene, Tuscaloosa | 3 hr |
| Feb 15, 9:34 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 41 min |
| Feb 15, 9:40 PM CST | Flash Flood Warning | BMX | Jefferson | 3 hr |
| Feb 15, 10:43 PM CST | Flash Flood Warning | BMX | Bibb, St. Clair, Shelby | 3 hr |
| Feb 15, 11:46 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, Etowah | 29 min |
| Feb 16, 12:04 AM CST | Flash Flood Warning | BMX | Etowah | 3 hr |
| Feb 16, 12:04 AM CST | Flash Flood Warning | BMX | Walker | 3 hr |
| Feb 16, 12:32 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Marshall | 4 hr |
| Feb 16, 12:35 AM CST | Flash Flood Warning | BMX | Blount, Cullman | 4 hr |
| Feb 16, 1:50 AM CST | Flash Flood Warning | BMX | Bibb, Perry, Shelby | 4 hr |
| Feb 16, 1:50 AM CST | Flash Flood Warning | BMX | St. Clair | 4 hr |
| Feb 16, 2:48 AM CST | Flash Flood Warning | BMX | Clay, Cleburne, Randolph | 4 hr |
| Feb 16, 2:48 AM CST | Flash Flood Warning | BMX | Chilton | 4 hr |
| Feb 16, 2:48 AM CST | Flash Flood Warning | BMX | Calhoun, Etowah, Talladega | 4 hr |
| Feb 16, 2:48 AM CST | Flash Flood Warning | BMX | Walker | 4 hr |
| Feb 16, 3:07 AM CST | Flash Flood Warning | BMX | Cherokee | 4 hr |
| Feb 16, 4:22 AM CST | Flash Flood Warning | BMX | Greene, Hale, Tuscaloosa | 4 hr |
| Feb 16, 5:06 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Marshall | 4 hr |
| Feb 16, 5:29 AM CST | Flash Flood Warning | BMX | Bibb, Jefferson, Perry, Shelby | 3 hr |
| Feb 16, 5:29 AM CST | Flash Flood Warning | BMX | St. Clair | 3 hr |
| Feb 16, 6:36 AM CST | Flash Flood Warning | BMX | Calhoun, Cherokee, Cleburne, Etowah, Talladega | 3 hr |
| Feb 16, 6:36 AM CST | Flash Flood Warning | BMX | Clay, Randolph | 3 hr |
| Feb 16, 7:03 AM CST | Severe Thunderstorm Warning | BMX | Hale | 42 min |
| Feb 16, 8:13 AM CST | Severe Thunderstorm Warning | BMX | Randolph | 47 min |
| Feb 16, 8:54 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Marshall | 4 hr |
Nearby
Flash Flood Warnings in Alabama, 1990Every flash flood warning in 1990
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.