Alert archive / Alabama / Flash Flood Warnings in 1991
Flash Flood Warning 36, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Dec 1, 1991, 10:21 PM CST for Jackson County, Madison County, Alabama. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 1, 1991, 10:21 PM CST (04:21 UTC)
- Expired
- Dec 2, 1991, 2:30 AM CST
- In force
- 4 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Jackson County, AL, Madison County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 4.4 hours before the alert went out and 154 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
- 505 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Dec 1, 8:26 PM CST, 1 hour 55 minutes before
ALZ004-020430-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
827 PM CST SUN DEC 1 1991
...FLASH FLOOD WATCH IS IN EFFECT FOR LAMAR...FAYETTE...MARION...
WALKER...AND WINSTON COUNTIES FOR TONIGHT...
AT 825 PM CST NATIONAL WEATHER SERVICE RADAR INDICATED HEAVY RAIN
OCCURRING OVER MARION AND NORTHERN LAMAR COUNTIES. ADDITIONAL HEAVY
RAIN WILL BE MOVING OUT OF MISSSISSIPPI INTO THESE COUNTIES AS WELL AS
WINSTON COUNTY DURING THE NEXT SEVERAL HOURS.
THE COUNTIES OF LAMAR...MARION...AND WINSTON HAVE RECEIVED AROUND
TWO INCHES OF RAIN SINCE EARLY THIS MORNING. WITH THE GROUND
SATURATED...ANY ADDITIONAL HEAVY RAIN WILL RUNOFF RAPIDLY SWELLING
STREAMS AND POSSIBLY FLOODING LOW PLACES ALONG SECONDARY ROADWAYS. IF
YOU ARE DRIVING IN THESE THREE COUNTIES DURING THE NEXT COUPLE OF
HOURS...USE EXTREME CAUTION AND DO NOT DRIVE INTO FLOODED AREAS WHERE
WATER COVERS THE ROAD TO AN UNKNOWN DEPTH.The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 7:52 PM CST | Flash Flood Warning | BMX | Colbert, Lauderdale, Lawrence | 4 hr |
| Dec 1, 7:52 PM CST | Flash Flood Warning | BMX | Franklin | 4 hr |
| Dec 1, 10:21 PM CST | Flash Flood Warning | BMX | Limestone, Morgan | 4 hr |
| Dec 2, 12:03 AM CST | Flash Flood Warning | BMX | Colbert, Franklin, Lauderdale, Lawrence | 7 hr |
| Dec 2, 12:03 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson, Madison, Marshall, Morgan | 7 hr |
| Dec 2, 12:03 AM CST | Flash Flood Warning | BMX | Limestone | 7 hr |
| Dec 2, 6:46 AM CST | Flash Flood Warning | BMX | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Morgan | 4 hr |
| Dec 2, 6:46 AM CST | Flash Flood Warning | BMX | Madison | 4 hr |
| Dec 2, 8:54 AM CST | Flash Flood Warning | BMX | Colbert, Lauderdale, Lawrence, Limestone | 4 hr |
| Dec 2, 8:54 AM CST | Flash Flood Warning | BMX | Jackson, Madison | 4 hr |
| Dec 2, 8:54 AM CST | Flash Flood Warning | BMX | Franklin | 4 hr |
| Dec 2, 8:54 AM CST | Flash Flood Warning | BMX | Morgan | 4 hr |
| Dec 2, 5:53 PM CST | Severe Thunderstorm Warning | BMX | Pickens | 52 min |
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.