Alert archive / Alabama / Flash Flood Warnings in 1997

Flash Flood Warning 18, NWS Birmingham, AL

June 5, 1997Dallas County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 5, 1997, 9:34 AM CDT for Dallas 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
Jun 5, 1997, 9:34 AM CDT (14:34 UTC)
Expired
Jun 5, 1997, 12:30 PM CDT
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Whole counties

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 99 km from the middle of the area, began a volume at 14:35 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

Birmingham, AL (KBMX), launched 12:00Z, 2.6 hours before the alert went out and 100 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 1997-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
203 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 051435
FFWBHM
ALC047-051730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
934 AM CDT THU JUN 5 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ALABAMA

   ...SOUTHERN DALLAS COUNTY
 
DURING THE PAST 3 HOURS...RADAR RAINFALL ESTIMATES INDICATE
RAINFALL AMOUNTS OF 4 INCHES AND POSSIBLY GREATER ACROSS SOUTHERN
DALLAS COUNTY ASSOCIATED WITH VERY SLOW MOVING SHOWERS AND
THUNDERSTORMS. AREAS CLOSEST TO THE HEAVY RAINFALL INCLUDE
SHEPARDVILLE...TASSO AND THOSE AROUND THE WILLIAM DANNELLY RESERVOIR.
 
DURING HEAVY RAINS... KEEP AWAY FROM STORM DRAINS...WATER
CATCHMENTS... AND WATERWAYS. SHALLOW...GENTLY FLOWING WATER CAN
BECOME A RAGING TORRENT IN A MATTER OF MINUTES.

Nearby

Flash Flood Warnings in Alabama, 1997Every flash flood warning in 1997

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.