Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 4, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Feb 10, 1990, 1:30 AM CST for Colbert County, Franklin County, Lawrence County, Alabama. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 10, 1990, 1:30 AM CST (07:30 UTC)
- Expired
- Feb 10, 1990, 6:30 AM CST
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Colbert County, AL, Franklin County, AL, Lawrence 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, 7.5 hours before the alert went out and 189 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
- 897 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHSV 100732
FFWHSV
ALC033-049-059-071-077-079-083-089-095-103-101230-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
130 AM CST SAT FEB 10 1990
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 630 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH ALABAMA
...COLBERT...DEKALB...FRANKLIN...JACKSON...LAUDERDALE
...LAWRENCE...LIMESTONE...MADISON...MARSHALL...MORGAN
AT 1:30 AM CST RADAR INDICATED A LARGE AREA OF MODERATE TO HEAVY
RAIN OVER NORTHWEST ALABAMA. LIGHT TO OCASIONALLY MODERATE RAIN
WAS ALREADY INDICATED OVER ALL OF THE TENNESSEE VALLEY AREA.
THE GROUND IN NORTH ALABAMA IS SATURATED FROM HEAVY RAINS AND
FLOODING WHICH HAS OCCURRED DURING THE PAST FEW WEEKS.
FLOODING HAS BEEN REPORTED IN MANY AREAS ALREADY AND WILL LIKELY
BECOME MORE WIDESPREAD THROUGH THE EARLY MORNING HOURS
AS THE HEAVY RAIN MOVES ACROSS THE REST OF NORTH ALABAMA.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 TFO HIGHER GROUND.
NThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 8:29 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 61 min |
| Feb 9, 8:45 PM CST | Tornado Warning | BMX | Lamar | 30 min |
| Feb 9, 8:56 PM CST | Tornado Warning | BMX | Fayette | 34 min |
| Feb 9, 9:23 PM CST | Tornado Warning | BMX | Lamar | 37 min |
| Feb 9, 9:30 PM CST | Tornado Warning | BMX | Fayette | 30 min |
| Feb 9, 9:43 PM CST | Tornado Warning | BMX | Walker | 47 min |
| Feb 9, 10:08 PM CST | Tornado Warning | BMX | Limestone | 27 min |
| Feb 9, 10:22 PM CST | Tornado Warning | BMX | Madison | 68 min |
| Feb 9, 10:53 PM CST | Tornado Warning | BMX | Jackson, Madison | 37 min |
| Feb 9, 11:02 PM CST | Tornado Warning | BMX | Walker | 28 min |
| Feb 9, 11:16 PM CST | Flash Flood Warning | BMX | Colbert, Lauderdale | 4 hr |
| Feb 9, 11:28 PM CST | Tornado Warning | BMX | Cullman, Winston | 47 min |
| Feb 9, 11:35 PM CST | Tornado Warning | BMX | Walker | 40 min |
| Feb 9, 11:35 PM CST | Tornado Warning | BMX | Lamar | 40 min |
| Feb 10, 12:53 AM CST | Tornado Warning | BMX | Walker | 22 min |
| Feb 10, 12:53 AM CST | Tornado Warning | BMX | Jefferson | 37 min |
| Feb 10, 1:06 AM CST | Severe Thunderstorm Warning | BMX | Pickens | 69 min |
| Feb 10, 1:22 AM CST | Severe Thunderstorm Warning | BMX | Greene | 68 min |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | Limestone, Madison, Marshall, Morgan | 5 hr |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | Lauderdale | 5 hr |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson | 5 hr |
| Feb 10, 1:33 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 57 min |
| Feb 10, 1:53 AM CST | Severe Thunderstorm Warning | BMX | Hale | 67 min |
| Feb 10, 2:00 AM CST | Tornado Warning | BMX | Greene, Hale | 35 min |
| Feb 10, 2:06 AM CST | Severe Thunderstorm Warning | BMX | Marengo | 29 min |
| Feb 10, 2:19 AM CST | Severe Thunderstorm Warning | BMX | Jefferson | 56 min |
| Feb 10, 2:20 AM CST | Severe Thunderstorm Warning | BMX | Bibb | 55 min |
| Feb 10, 2:32 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 58 min |
| Feb 10, 2:39 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 51 min |
| Feb 10, 2:40 AM CST | Tornado Warning | BMX | Jefferson, Shelby | 30 min |
| Feb 10, 2:50 AM CST | Tornado Warning | BMX | St. Clair | 55 min |
| Feb 10, 2:54 AM CST | Tornado Warning | BMX | Talladega | 66 min |
| Feb 10, 3:11 AM CST | Tornado Warning | BMX | Clay | 64 min |
| Feb 10, 3:11 AM CST | Tornado Warning | BMX | Calhoun | 64 min |
| Feb 10, 3:33 AM CST | Severe Thunderstorm Warning | BMX | Cleburne, Randolph | 37 min |
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.