Alert archive / Alabama / Flash Flood Warnings in 1996

Flash Flood Warning 26, NWS Birmingham, AL

July 24, 1996Chambers County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jul 24, 1996, 9:18 PM CDT for Chambers County, Alabama. It was in force for 102 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 24, 1996, 9:18 PM CDT (02:18 UTC)
Expired
Jul 24, 1996, 11:00 PM CDT
In force
102 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Chambers County, AL

The radar

The Maxwell AFB radar (KMXX), 56 km from the middle of the area, began a volume at 02:21 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.3 hours before the alert went out and 97 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, Peachtre/Fal Fld, GA at 00:00Z on 1996-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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, Peachtre/Fal Fld, GA at 00:00Z on 1996-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
418 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1604 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
12 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 250219
FFWBHM
ALC017-250400-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
918 PM CDT WED JUL 24 1996
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL ALABAMA
 
   ...SOUTHEASTERN CHAMBERS COUNTY
 
AT 912 PM THE LANETT POLICE DEPARTMENT REPORTED ROADWAYS FLOODED AND
CARS STRANDED DUE TO LOCALLY HEAVY RAINFALL. NEARLY STATIONARY
THUNDERSTORMS HAVE PERSISTED ACROSS SOUTHEAST CHAMBERS COUNTY SINCE
830 PM AND RADAR INDICATES 1 TO 2 INCHES OF RAIN HAS ALREADY OCCURRED.
WITH LITTLE MOVEMENT EXPECTED THROUGH AT LEAST 10 PM THE THUNDERSTORMS
COU>LD DUMP ANOTHER 1 TO 2 INCHES ACROSS THE CITIES OF
LANETT AND FAIRFAX.
 
 
 
&&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 24, 6:37 PM CDT, 2 hours 41 minutes before
ALZ026-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
635 PM CDT WED JUL 23 1996

THE SEVERE THUNDERSTORM WARNING FOR ST. CLAIR COUNTY HAS BEEN
CANCELLED.  THE THUNDERSTORMS HAVE WEAKENED WELL BELOW SEVERE LIMITS.
SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE AREA THROUGH
800 PM.

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.