Alert archive / Alabama / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Birmingham, AL

January 30, 1996Talladega County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jan 30, 1996, 10:02 PM CST for Talladega County, Alabama. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 30, 1996, 10:02 PM CST (04:02 UTC)
Expired
Jan 31, 1996, 1:00 AM CST
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County Talladega County, AL

The radar

The Birmingham radar (KBMX), 61 km from the middle of the area, began a volume at 04:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.0 hours before the alert went out and 61 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, Birmingham, AL at 00:00Z on 1996-01-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 297 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, Birmingham, AL at 00:00Z on 1996-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 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
297 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 310412 COR
FFWBHM
ALC121-027-111-310700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION TO LATTER PORTION OF TEXT...
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1002 PM CST TUE JAN 30 1996

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL ALABAMA

   ...TALLADEGA COUNTY

IN EAST CENTRAL ALABAMA

   ...CLAY COUNTY...RANDOLPH COUNTY

AT 1002 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF MODERATE
TO HEAVY RAIN MOVING EASTWARD OUT OF SHELBY...JEFFERSON AND ST CLAIR
COUNTIES INTO TALLADEGA COUNTY. THIS RAIN AREA WILL CONTINUE TO MOVE
EAST AND AFFECT CLAY AND RANDOLPH COUNTIES BEFORE MIDNIGHT.

RADAR HAS ESTIMATED THAT TWO AND HALF TO THREE INCHES OF RAINFALL HAS
ALREADY OCCURRED OVER PARTS OF CENTRAL AND SOUTHERN TALLADEGA AND
WESTERN CLAY COUNTIES...WITH ONE TO TWO INCH AMOUNTS COMMON OVER MUCH
THE REMAINDER OF THE WARNED AREA.

SOME CITY AND COUNTY ROADS IN CLAY AND SOUTHERN TALLADEGA COUNTIES
HAVE BEEN REPORTED TO BE COVERED WITH WATER...AND THE ADDITIONAL
RAINFALL MOVING INTO THE AREA WILL INCREASE THE POTENTIAL FOR FLASH
FLOODING OVER THE AFFECTED COUNTIES THROUGH 1 AM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 6:03 PM CSTTornado WarningBMXHale57 min
Jan 30, 6:08 PM CSTTornado WarningBMXGreene, Hale22 min
Jan 30, 6:17 PM CSTTornado WarningBMXBibb43 min
Jan 30, 6:49 PM CSTTornado WarningBMXPerry56 min
Jan 30, 7:03 PM CSTTornado WarningBMXShelby42 min
Jan 30, 10:02 PM CSTFlash Flood WarningBMXClay, Randolph3 hr

Nearby

Flash Flood Warnings in Alabama, 1996Every flash flood warning in 1996

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; radar from the NEXRAD Level II archive.