Alert archive / Alabama / Flash Flood Warnings in 1989

Flash Flood Warning 7, NWS Birmingham, AL

June 14, 1989Colbert County, Franklin County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 14, 1989, 2:27 AM CDT for Colbert County, Franklin County, Alabama. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1989, 2:27 AM CDT (07:27 UTC)
Expired
Jun 14, 1989, 3:30 AM CDT
In force
63 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Colbert County, AL, Franklin 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 195 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 00:00Z on 1989-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1130 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 00:00Z on 1989-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
1130 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1521 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 140729 RRA
FFWHSV
ALC033-059-140730-

BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING CORRECTION TO ISSUE TIME
NATIONAL WEATHER SERVICE HUNTSVILLE AL
227 AM CDT WED JUN 14 1989

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM CDT
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL  230 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN NORTH ALABAMA
          ...COLBERT...FRANKLIN

AT 2:25 AM CDT RADAR INDICATED SEVERE THUNDERSTORMS IN THE WEST AND
NORTHWEST PORTIONS OF FRANKLIN COUNTY. THESE THUNDERSTORMS WERE
MOVING TO THE EAST-NORTHEAST AT 3O TO 35 MPH AND WILL MOVE THROUGH
FRANKLIN AND SOUTHERN COLBERT COUNTIES DURING THE NEXT HOUR.

ASIDE FROM DAMAGING WINDS AND HAIL... THESE THUNDERSTORMS WERE DUMPING
VERY HEAVY RAIN ON AREAS THAT HAVE HAD MUCH RAIN OVER THE PAST FEW
DAYS.  THIS IS EXPECTED TO CAUSE SOME FLOODING IN THE WARNED AREAS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 2:27 AM CDTSevere Thunderstorm WarningBMXColbert, Franklin63 min
Jun 14, 12:07 PM CDTTornado WarningBMXMorgan38 min
Jun 14, 12:26 PM CDTSevere Thunderstorm WarningBMXLimestone, Madison, Morgan64 min
Jun 14, 1:04 PM CDTSevere Thunderstorm WarningBMXJackson, Marshall56 min
Jun 14, 3:00 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby60 min
Jun 14, 3:00 PM CDTSevere Thunderstorm WarningBMXWalker60 min
Jun 14, 3:07 PM CDTTornado WarningBMXJefferson, Shelby58 min
Jun 14, 3:23 PM CDTSevere Thunderstorm WarningBMXSt. Clair67 min
Jun 14, 3:26 PM CDTSevere Thunderstorm WarningBMXTalladega64 min
Jun 14, 3:42 PM CDTTornado WarningBMXBlount63 min
Jun 14, 3:51 PM CDTSevere Thunderstorm WarningBMXCalhoun, Clay, Cleburne69 min
Jun 14, 3:51 PM CDTSevere Thunderstorm WarningBMXEtowah69 min
Jun 14, 4:07 PM CDTSevere Thunderstorm WarningBMXRandolph58 min
Jun 14, 4:07 PM CDTSevere Thunderstorm WarningBMXCullman58 min
Jun 14, 4:17 PM CDTSevere Thunderstorm WarningBMXCherokee58 min
Jun 14, 4:27 PM CDTSevere Thunderstorm WarningBMXMarshall, Morgan38 min
Jun 14, 6:59 PM CDTSevere Thunderstorm WarningBMXGreene, Pickens46 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.