Alert archive / Alabama / Flash Flood Warnings in 1991
Flash Flood Warning 4, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Feb 18, 1991, 9:25 PM CST for 4 counties in Alabama. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 1991, 9:25 PM CST (03:25 UTC)
- Expired
- Feb 19, 1991, 3:30 AM CST
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Colbert County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.4 hours before the alert went out and 173 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 773 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 59 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 KHSV 190326 FFWHSV ALC033-059-077-079-083-089-103-190930- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 925 PM CST MON FEB 18 1991 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 330 AM CST IN NORTH ALABAMA ...COLBERT COUNTY...FRANKLIN COUNTY...LAUDERDALE COUNTY ...LAWRENCE COUNTY...LIMESTONE COUNTY...MADISON COUNTY...MORGAN COU AT 920 PM CST RADAR AT HUNTSVILLE CONTIUED TO SHOW PRECIPITATION OVER THE TENNESSEE VALLEY REGION OF NORTH ALABAMA. PATCHES OF LIGHT TO MODERATE RAIN WAS OVER COLBERT AND LAUDERDALE COUNTIES AS WELL AS LAWRENCE...LIMESTONE...MORGAN AND WEST MADISON COUNTIES OF NORTH ALABAMA. MOVEMENT WAS EAST NORTHEAST AT 30 MPH. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE NORTHERN THIRD OF ALABAMA TONIGHT. SEVERAL REPORTS OF LOCAL FLOODING HAVE BEEN RECEIVED AT THE NATIONAL WEATHER SERVICE OFFICE AND MORE RAIN IS IN THE FORECAST LATER TONIGHT AND ON TUESDAY. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 9:25 PM CST | Flash Flood Warning | BMX | Franklin | 6 hr |
| Feb 18, 9:25 PM CST | Flash Flood Warning | BMX | Madison, Morgan | 6 hr |
| Feb 19, 3:30 AM CST | Flash Flood Warning | BMX | Lawrence, Limestone, Morgan | 3 hr |
| Feb 19, 3:30 AM CST | Flash Flood Warning | BMX | Colbert, Lauderdale | 3 hr |
| Feb 19, 4:56 AM CST | Flash Flood Warning | BMX | Madison | 3 hr |
| Feb 19, 6:29 AM CST | Flash Flood Warning | BMX | Colbert, Lauderdale | 4 hr |
| Feb 19, 7:21 AM CST | Flash Flood Warning | BMX | Lawrence, Limestone, Morgan | 3 hr |
| Feb 19, 7:21 AM CST | Flash Flood Warning | BMX | Madison | 3 hr |
| Feb 19, 10:35 AM CST | Flash Flood Warning | BMX | Colbert, Franklin, Lawrence | 6 hr |
| Feb 19, 10:35 AM CST | Flash Flood Warning | BMX | Limestone, Madison, Morgan | 6 hr |
| Feb 19, 10:35 AM CST | Flash Flood Warning | BMX | Lauderdale | 6 hr |
| Feb 19, 12:05 PM CST | Severe Thunderstorm Warning | BMX | Jefferson | 40 min |
| Feb 19, 4:24 PM CST | Flash Flood Warning | BMX | Limestone, Madison, Morgan | 4 hr |
| Feb 19, 4:24 PM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Marshall | 4 hr |
Nearby
Flash Flood Warnings in Alabama, 1991Every flash flood warning in 1991
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.