Alert archive / Alabama / Flash Flood Warnings in 1989

Flash Flood Warning 13, NWS Mobile, AL

June 19, 1989Coosa County, Elmore County, Tallapoosa County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 19, 1989, 9:03 AM CDT for Coosa County, Elmore County, Tallapoosa County, Alabama. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1989, 9:03 AM CDT (14:03 UTC)
Expired
Jun 19, 1989, 11:00 AM CDT
In force
117 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Coosa County, AL, Elmore County, AL, Tallapoosa 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 12:00Z, 2.1 hours before the alert went out and 107 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.

Skew-T log-pSkew-T log-p diagram, Centreville/Bibb, AL at 12:00Z on 1989-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1433 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 12:00Z on 1989-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1433 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMGM 191406
FFWMGM
ALC037-051-123-191600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
903 AM CDT MON JUN 19 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH ALABAMA
          ...COOSA...ELMORE...TALLAPOOSA
 
WEATHER RADAR AT MONTGOMERY SHOWED THUNDERSTORMS WITH HEAVY RAIN
CONTINUING TO MOVE THROUGH ELMORE...COOSA AND TALLAPOOSA COUNTIES.
THESE THUNDERSTORMS ARE MOVING EAST AT ABOUT 25 MILES AN HOUR.
 
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 Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 3:00 AM CDTFlash Flood WarningMOBTallapoosa2 hr
Jun 19, 5:00 AM CDTFlash Flood WarningMOBTallapoosa2 hr
Jun 19, 5:35 AM CDTFlash Flood WarningMOBElmore, Montgomery115 min
Jun 19, 6:31 AM CDTFlash Flood WarningMOBCoosa, Tallapoosa2 hr
Jun 19, 8:46 AM CDTSevere Thunderstorm WarningMOBLee52 min
Jun 19, 11:33 AM CDTFlash Flood WarningMOBMontgomery117 min
Jun 19, 1:11 PM CDTSevere Thunderstorm WarningMOBHouston64 min

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.