Alert archive / Alabama / Flash Flood Warnings in 1989
Flash Flood Warning 18, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Oct 1, 1989, 11:35 AM CDT for Madison County, Alabama. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Oct 1, 1989, 11:35 AM CDT (16:35 UTC)
- Expired
- Oct 1, 1989, 3:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Madison 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
Nashville Metro, TN (KBNA), launched 12:00Z, 4.6 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
- 132 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 70 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 011634
FFWHSV
ALC089-012030-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1135 AM CDT SUN OCT 1 1989
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 330 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH ALABAMA
...MADISON
HEAVY RAIN HAS BEEN FALLING IN THE HUNTSVILLE AREA WITH OVER AN INCH
OF RAIN RECORDED AT THE NATIONAL WEATHER SERVICE OFFICE DURING THE
PAST TWO HOURS HUNTSVILLE POLICE DEPT. REPORTS STREET FLOODING THROUGH
OUT THE CITY AND SOME ROADS MAY NEED TO BE CLOSED. ALSO IN
SOME AREAS OF THE CITY THE WATHER WAS RISING AND MAY ENTER SOME HOMES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.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, Oct 1, 6:09 AM CDT, 5 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 608 AM CDT SUN OCT 1 1989 THUNDERSTORMS PRODUCING HEAVY DOWNPOURS MOVING ACROSS SECTIONS OF NORTH AND CENTRAL ALABAMA. AT 605 AM CDT THE THUNDERSTORMS WERE LOCATED BETWEEN ONEONTA AND GADSDEN MOVING TOWARDS GUNTERSVILLE...AND IN THE BIRMINGHAM METRO AREA MOVING NORTH TOWARDS WARRIOR AND CULLMAN. BESIDES LIGHTNING AND HEAVY RAIN...THE STORMS MAY ALSO PRODUCE SOME HAIL. OTHERWISE...WIDESPREAD RAIN COVERED MOST OF EAST CENTRAL ALABAMA WHILE THE RAIN WAS MORE PATCHY OVER THE WEST CENTRAL COUNTIES. DUE TO THE HEAVY RAIN IN A SHORT PERIOD OF TIME...PERSONS NEED TO BE AWARE FOR POSSIBLE FLOODING OF STREETS AND LOW LYING AREAS.#
Special weather statement, Oct 1, 6:52 AM CDT, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 650 AM CDT SUN OCT 1 1989 AT 640 AM CDT RADAR SHOWED THUNDERSTORMS WITH HEAVY RAIN MIXED IN A WIDESPREAD AREA OF MOSTLY LIGHT TO MODERATE RAIN OVER SOUTH CENTRAL AND SOUTHEAST ALABAMA. THE THUNDERSTORMS WITH THE HEAVY RAIN WERE OVER ELMORE...LOWNDES AND MACON COUNTIES. MOVEMENT WAS NORTH AT AROUND 35 MPH. POSSIBLE LOCALIZED FLOODING MAY OCCUR IN SOME OF THESE AREAS AS RAINFXALL AMOUNTS OF ONE TO TWO INCHES HAVE FALLEN IN A SHORT PERIOD OF TIME...ESPECIALLY IN TALLAPOOSA AND ELMORE COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 12:17 PM CDT | Flash Flood Warning | BMX | Limestone, Madison | 4 hr |
Nearby
Flash Flood Warnings in Alabama, 1989Every flash flood warning in 1989
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.