Alert archive / Alabama / Flash Flood Warnings in 1991
Flash Flood Warning 9, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Feb 19, 1991, 4:56 AM CST for Madison County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 19, 1991, 4:56 AM CST (10:56 UTC)
- Expired
- Feb 19, 1991, 8:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Madison County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 10.9 hours before the alert went out and 152 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 191057 FFWHSV ALC089-191400- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 456 AM CST TUE FEB 19 1991 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 AM CST IN NORTH ALABAMA ...MADISON COUNTY AT 450 THIS MORNING HUNTSVILLE RADAR INDICATED A LINE OF THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...EXTENDING FROM NEAR DECATUR IN MORGAN COUNTY TO NEAR HAZEL GREEN IN MADISON COUNTY. THIS LINE IS MOVING EAST AT 15 MILES AN HOUR WHILE THE THUNDERSTORM CELLS ARE MOVING NORTHEAST AT 40 MILES AN HOUR. WITH THE GROUND ALREADY SATURATED THIS ADDITIONAL RAINFALL WILL CAUSE MORE FLASH FLOODING. FLADH FLOOD WARNINGS REMAIN EFFECT UNTIL 6;30 THIS MORNING FOR COLBERT...LAUDERDALE...LAWRENCE...LIMESTONE...AND MORGAN COUNTIES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.h 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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 | Colbert, Lauderdale, Lawrence, Limestone | 6 hr |
| 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, 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.