Alert archive / Alabama / Flash Flood Warnings in 1996

Flash Flood Warning 4, NWS Birmingham, AL

January 26, 1996DeKalb County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jan 26, 1996, 6:40 PM CST for DeKalb 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 26, 1996, 6:40 PM CST (00:40 UTC)
Expired
Jan 26, 1996, 9:45 PM CST
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County DeKalb County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.7 hours before the alert went out and 171 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 1996-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 1996-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 676 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
6 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
676 m²/s²
0-3 km storm-relative helicity
904 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 270041
FFWHSV
ALC049-270345-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
640 PM CST FRI JAN 26 1996
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  945 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...DEKALB COUNTY
 
AT 635 PM CST NATIONAL WEATHER SERVICE RADAR AT HUNTSVILLE CONTINUED
TO SHOW AN AREA OF MOSTLY LIGHT RAIN WITH ISOLATED PATCHES OF MODERATE
TO HEAVY RAIN ACROSS THE EASTERN TWO-THIRDS OF THE TENNESSEE VALLEY
REGION OF NORTH ALABAMA.
 
MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.
 
THE EMERGENCY MANAGEMENT AGENCY IN DE KALB COUNTY REPORTED SEVERAL
ROADS UNDER WATER.  COUNTY ROADS 386...136 AND 39 ARE CLOSED.
 
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 6:07 PM CSTSevere Thunderstorm WarningBMXLowndes53 min
Jan 26, 6:50 PM CSTFlash Flood WarningBMXPickens115 min
Jan 26, 10:02 PM CSTSevere Thunderstorm WarningBMXLee28 min
Jan 26, 11:07 PM CSTSevere Thunderstorm WarningBMXRussell38 min
Jan 26, 11:41 PM CSTSevere Thunderstorm WarningBMXBarbour34 min

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.