Alert archive / Alabama / Flash Flood Warnings in 1990

Flash Flood Warning 13, NWS Birmingham, AL

February 15, 1990Shelby County, Alabama

NWS Birmingham, AL issued this flash flood warning at Feb 15, 1990, 6:14 PM CST for Shelby County, Alabama. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 6:14 PM CST (00:14 UTC)
Expired
Feb 15, 1990, 9:15 PM CST
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County Shelby 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, 0.2 hours before the alert went out and 64 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 1990-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1990-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 160016
FFWBHM
ALC117-125-160315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
614 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...SHELBY COUNTY...TUSCALOOSA COUNTY
 
THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING FOR
TUSCALOOSA AND SHELBY COUNTIES. FLOODING WAS OCCURRING IN SHELBY
COUNTY ALONG VALLEYDALE ROAD NEAR INTERSTATE 65 AND ALSO NEAR
BRIARWOOD SCHOOL ON ROUTE 119. IN TUSCALOOSA COUNTY FLOODING WAS
BEING REPORTED IN THE NORTHPORT AREA AND ALSO ALONG UNIVERSITY
ROAD AND GREENSBORO ROAD IN THE CITY OF TUSCALOOSA.
 
RAIN WILL CONTINUE TO FALL THE NEXT SEVERAL HOURS AND LOCALLY HEAVY
RAINFALL REMAINS POSSIBLE AS THUNDERSTORMS OVER MISSISSIPPI MOVE INTO
CENTRAL ALABAMA THIS EVENING.
 
 
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 RISIWNG WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 6:14 PM CSTFlash Flood WarningBMXTuscaloosa3 hr
Feb 15, 6:21 PM CSTFlash Flood WarningBMXDeKalb, Jackson, Marshall6 hr
Feb 15, 6:22 PM CSTSevere Thunderstorm WarningBMXBibb, Perry58 min
Feb 15, 7:03 PM CSTSevere Thunderstorm WarningBMXTalladega42 min
Feb 15, 7:15 PM CSTTornado WarningBMXWinston30 min
Feb 15, 7:50 PM CSTFlash Flood WarningBMXCalhoun, St. Clair3 hr
Feb 15, 8:25 PM CSTFlash Flood WarningBMXLauderdale, Lawrence, Limestone, Madison, Morgan4 hr
Feb 15, 8:25 PM CSTFlash Flood WarningBMXMarshall4 hr
Feb 15, 8:42 PM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale63 min
Feb 15, 8:55 PM CSTFlash Flood WarningBMXTalladega5 hr
Feb 15, 8:55 PM CSTFlash Flood WarningBMXHale5 hr
Feb 15, 9:02 PM CSTFlash Flood WarningBMXGreene, Tuscaloosa3 hr
Feb 15, 9:02 PM CSTFlash Flood WarningBMXWalker3 hr
Feb 15, 9:34 PM CSTSevere Thunderstorm WarningBMXTuscaloosa41 min
Feb 15, 9:40 PM CSTFlash Flood WarningBMXJefferson3 hr
Feb 15, 10:43 PM CSTFlash Flood WarningBMXBibb, St. Clair, Shelby3 hr
Feb 15, 11:46 PM CSTSevere Thunderstorm WarningBMXCalhoun, Etowah29 min
Feb 16, 12:04 AM CSTFlash Flood WarningBMXEtowah3 hr
Feb 16, 12:04 AM CSTFlash Flood WarningBMXWalker3 hr
Feb 16, 12:32 AM CSTFlash Flood WarningBMXDeKalb, Jackson, Marshall4 hr
Feb 16, 12:35 AM CSTFlash Flood WarningBMXBlount, Cullman4 hr
Feb 16, 1:50 AM CSTFlash Flood WarningBMXBibb, Perry, Shelby4 hr
Feb 16, 1:50 AM CSTFlash Flood WarningBMXSt. Clair4 hr
Feb 16, 2:48 AM CSTFlash Flood WarningBMXClay, Cleburne, Randolph4 hr
Feb 16, 2:48 AM CSTFlash Flood WarningBMXChilton4 hr
Feb 16, 2:48 AM CSTFlash Flood WarningBMXCalhoun, Etowah, Talladega4 hr
Feb 16, 2:48 AM CSTFlash Flood WarningBMXWalker4 hr
Feb 16, 3:07 AM CSTFlash Flood WarningBMXCherokee4 hr
Feb 16, 4:22 AM CSTFlash Flood WarningBMXGreene, Hale, Tuscaloosa4 hr
Feb 16, 5:06 AM CSTFlash Flood WarningBMXDeKalb, Jackson, Marshall4 hr
Feb 16, 5:29 AM CSTFlash Flood WarningBMXBibb, Jefferson, Perry, Shelby3 hr
Feb 16, 5:29 AM CSTFlash Flood WarningBMXSt. Clair3 hr
Feb 16, 6:36 AM CSTFlash Flood WarningBMXCalhoun, Cherokee, Cleburne, Etowah, Talladega3 hr
Feb 16, 6:36 AM CSTFlash Flood WarningBMXClay, Randolph3 hr
Feb 16, 7:03 AM CSTSevere Thunderstorm WarningBMXHale42 min
Feb 16, 8:13 AM CSTSevere Thunderstorm WarningBMXRandolph47 min
Feb 16, 8:54 AM CSTFlash Flood WarningBMXDeKalb, Jackson, Marshall4 hr

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.