Alert archive / Alabama / Flash Flood Warnings in 1998

Flash Flood Warning 57, NWS Birmingham, AL

July 15, 1998Lauderdale County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jul 15, 1998, 9:10 AM CDT for Lauderdale County, Alabama. It was in force for 6 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 15, 1998, 9:10 AM CDT (14:10 UTC)
Expired
Jul 15, 1998, 3:10 PM CDT
In force
6 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lauderdale County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 2.2 hours before the alert went out and 167 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, Nashville Metro, TN at 12:00Z on 1998-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Nashville Metro, TN at 12:00Z on 1998-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
1 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1122 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
66 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 151410
FFWBHM
ALC077-152010-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
910 AM CDT WED JUL 15 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

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

* UNTIL 310 PM CDT

* AT 910 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
BAND OF SHOWERS WITH LIGHT TO MODERATE RAINFALL STREAMING
NORTHWESTWARD ACROSS THE EASTERN HALF OF LAUDERDALE COUNTY.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE INCH ARE POSSIBLE ACROSS
LAUDERDALE COUNTY THROUGH NOON.  THIS ADDED RAIN WILL LIKELY CAUSE
ADDITIONAL FLOODING OF AREA ROADS ACROSS THE COUNTY TODAY.

DON'T DRIVE ACROSS FLOODED R.OADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

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.