Alert archive / Alabama / Flash Flood Warnings in 1992

Flash Flood Warning 7, NWS Mobile, AL

November 25, 1992Lee County, Macon County, Alabama

NWS Mobile, AL issued this flash flood warning at Nov 25, 1992, 2:40 AM CST for Lee County, Macon County, Alabama. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 25, 1992, 2:40 AM CST (08:40 UTC)
Expired
Nov 25, 1992, 6:45 AM CST
In force
4 hr
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Lee County, AL, Macon County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 8.7 hours before the alert went out and 163 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 1992-11-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-11-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
247 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 KMGM 250844
FFWMGM
ALC081-011-087-109-251245-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
240 AM CST WED NOV 25 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN EAST ALABAMA
 
   ...LEE COUNTY
 
IN SOUTH ALABAMA
 
   ...BULLOCK COUNTY...MACON COUNTY...PIKE COUNTY
 
WEATHER RADAR AT CENTERVILLE SHOWS A LINE OF THUNDERSTORMS CONTINUING TO
BRING REPEATED THUNDERSTORMS TO COUNTIES FROM PIKE TO LEE. THESE
THUNDERSTORMS ARE DROPPING VERY HEAVY AMOUNTS OF RAIN AND ARE CAUSING
EXTENSIVE STREET FLOODING IN MANY COMMUNITIES.
 
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 24, 7:16 PM CSTSevere Thunderstorm WarningMOBBaldwin29 min
Nov 24, 10:45 PM CSTSevere Thunderstorm WarningMOBConecuh45 min
Nov 25, 1:31 AM CSTFlash Flood WarningMOBButler4 hr
Nov 25, 2:14 AM CSTFlash Flood WarningMOBCrenshaw4 hr
Nov 25, 2:40 AM CSTFlash Flood WarningMOBBullock, Pike4 hr
Nov 25, 2:51 AM CSTFlash Flood WarningMOBChambers4 hr
Nov 25, 3:46 AM CSTSevere Thunderstorm WarningMOBCovington119 min
Nov 25, 7:05 AM CSTFlash Flood WarningMOBPike3 hr

Nearby

Flash Flood Warnings in Alabama, 1992Every flash flood warning in 1992

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.