Alert archive / Alabama / Flash Flood Warnings in 1998

Flash Flood Warning 21, NWS Birmingham, AL

January 7, 1998Pickens County, Sumter County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jan 7, 1998, 11:22 AM CST for Pickens County, Sumter County, Alabama. It was in force for 4 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 7, 1998, 11:22 AM CST (17:22 UTC)
Expired
Jan 7, 1998, 2:55 PM CST
In force
4 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Pickens County, AL, Sumter County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.4 hours before the alert went out and 130 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 12:00Z on 1998-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 214 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 12:00Z on 1998-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
214 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 071724
FFWBHM
ALC057-063-065-075-091-093-107-119-125-072055-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1122 AM CST WED JAN 7 1998


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 255 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL ALABAMA

   ...FAYETTE COUNTY...
   ...GREENE COUNTY...
   ...HALE COUNTY...
   ...LAMAR COUNTY...
   ...MARENGO COUNTY...
   ...PICKENS COUNTY...
   ...SUMTER COUNTY...
   ...TUSCALOOSA COUNTY...

IN NORTHERN ALABAMA

   ...MARION COUNTY...

RAIN HAS BEGUN TO TAPPER OFF ACROSS PARTS OF WEST CENTRAL ALABAMA.
HOWEVER...AREAS ACROSS NORTH AND WEST CENTRAL ALABAMA ARE SATURATED...
AND ROADS STILL HAVE WATER ON THEM.  THE TOMBIGBEE AND BLACK WARRIOR
RIVERS ARE EXPECTED TO GO INTO FLOOD.  IF YOU LIVE ALONG THE RIVERS...
PLEASE KEEP WATCH FOR RISING WATERS.

<<CALL TO ACTION>>
DURING HEAVY RAINS... KEEP CHILDREN AWAY FROM STORM DRAINS...
WATER CATCHMENTS... AND WATERWAYS. SHALLOW... GENTLY FLOWING WATER
CAN BECOME A RAGING TORRENT IN A MATTER OF MINUTES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 7:11 AM CSTSevere Thunderstorm WarningBMXMarengo59 min
Jan 7, 8:30 AM CSTFlash Flood WarningBMXFayette, Greene, Hale, Pickens, Tuscaloosa3 hr
Jan 7, 8:30 AM CSTFlash Flood WarningBMXMarengo, Sumter3 hr
Jan 7, 8:30 AM CSTFlash Flood WarningBMXLamar, Marion3 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXCullman, Lawrence6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXLimestone6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXMadison6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXJefferson6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXColbert, Franklin6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXLauderdale6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXBlount, Walker6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXAutauga, Bibb, Chilton, Dallas, Perry, Shelby6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXMorgan, Winston6 hr
Jan 7, 8:55 AM CSTFlash Flood WarningBMXLowndes6 hr
Jan 7, 9:38 AM CSTSevere Thunderstorm WarningBMXJefferson, Shelby62 min
Jan 7, 10:10 AM CSTSevere Thunderstorm WarningBMXAutauga, Lowndes50 min
Jan 7, 10:25 AM CSTTornado WarningBMXSt. Clair50 min
Jan 7, 10:37 AM CSTFlash Flood WarningBMXClay, Cleburne, Randolph6 hr
Jan 7, 10:37 AM CSTFlash Flood WarningBMXCalhoun, Cherokee, DeKalb, Etowah, Marshall, St. Clair6 hr
Jan 7, 10:37 AM CSTFlash Flood WarningBMXTalladega6 hr
Jan 7, 10:37 AM CSTFlash Flood WarningBMXJackson6 hr
Jan 7, 10:43 AM CSTTornado WarningBMXEtowah17 min
Jan 7, 10:53 AM CSTTornado WarningBMXMarshall47 min
Jan 7, 11:22 AM CSTFlash Flood WarningBMXGreene, Hale, Marengo, Tuscaloosa4 hr
Jan 7, 11:22 AM CSTFlash Flood WarningBMXFayette, Lamar, Marion4 hr
Jan 7, 11:36 AM CSTTornado WarningBMXJackson34 min
Jan 7, 12:13 PM CSTSevere Thunderstorm WarningBMXTallapoosa47 min
Jan 7, 12:25 PM CSTFlash Flood WarningBMXBarbour, Lee, Macon, Russell2 hr
Jan 7, 12:25 PM CSTFlash Flood WarningBMXChambers, Tallapoosa2 hr
Jan 7, 12:25 PM CSTFlash Flood WarningBMXPike2 hr
Jan 7, 12:47 PM CSTSevere Thunderstorm WarningBMXBarbour48 min
Jan 7, 12:58 PM CSTSevere Thunderstorm WarningBMXRussell47 min

Nearby

Flash Flood Warnings in Alabama, 1998Every flash flood warning in 1998

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.