Alert archive / Alabama / Flash Flood Warnings in 1998

Flash Flood Warning 52, NWS Birmingham, AL

July 13, 1998Franklin County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jul 13, 1998, 11:26 PM CDT for Franklin 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
Jul 13, 1998, 11:26 PM CDT (04:26 UTC)
Expired
Jul 14, 1998, 3:20 AM CDT
In force
4 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County Franklin County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.4 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, Birmingham, AL at 00:00Z on 1998-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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 1998-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 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
307 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
78 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 140426
FFWBHM
ALC033-059-077-140820-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1126 PM CDT MON JUL 13 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLBERT COUNTY... IN NORTHERN ALABAMA
  FRANKLIN COUNTY... IN NORTHERN ALABAMA
  LAUDERDALE COUNTY... IN NORTHERN ALABAMA

* UNTIL 320 AM CDT

* AT 1125 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADARS SHOWED
  NUMEROUS SHOWERS...AND A FEW THUNDERSTORMS...WITH VERY HEAVY RAIN...
  OVER MOST OF FRANKLIN...COLBERT...AND LAUDERDALE COUNTIES IN
  NORTHWEST ALABAMA. MOVEMENT WAS SLOWLY TO THE NORTH.

* HEAVY RAIN HAS ALREADY FALLEN OVER THIS AREA WITH SOME SPOTS
RECEIVING OVER TWO AND THREE INCHES OF RAIN SINCE MONDAY MORNING.
AS ADDITIONAL SHOWERS AND THUNDERSTORMS MOVE FORM SOUTH TO NORTH OVER
THIS AREA...ANOTHER ONE OR TWO INCHES OF RAIN IS POSSIBLE.  THIS WILL
LIKELY CAUSE FLASH FLOODING.  THERE HAVE ALREADY BEEN REPORTS OF SOME
COUNTY ROAD CLOSINGS IN LAUDERDALE COUNTY DUE TO RISING WATER.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!


MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES... DIPS... OR LOW WATER CROSSINGS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL
ONE... ON FOOT. TO ESCAPE RISING WATER MOVE TO HIGHER GROUND. DO
NOT DRIVE AROUND BARRICADES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 11:26 PM CDTFlash Flood WarningBMXColbert, Lauderdale4 hr
Jul 14, 9:15 AM CDTFlash Flood WarningBMXLauderdale3 hr
Jul 14, 12:13 PM CDTFlash Flood WarningBMXLauderdale3 hr
Jul 14, 3:26 PM CDTFlash Flood WarningBMXLauderdale3 hr
Jul 14, 6:32 PM CDTFlash Flood WarningBMXLauderdale12 hr

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.