Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 188, NWS Birmingham, AL

March 28, 1997Franklin County, Lawrence County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 28, 1997, 4:04 AM CST for Franklin County, Lawrence County, Alabama. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 28, 1997, 4:04 AM CST (10:04 UTC)
Expired
Mar 28, 1997, 5:00 AM CST
In force
56 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Franklin County, AL, Lawrence County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.1 hours before the alert went out and 162 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 1997-03-28Temperature 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 00:00Z on 1997-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
2953 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
99 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 KHSV 281004 RRA
SVRHSV
ALC059-079-281100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
404 AM CST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN NORTH ALABAMA
 
   ...EASTERN FRANKLIN COUNTY...LAWRENCE COUNTY
 
AT 4AM CST WEATHER SERVICE RADAR AT HUNTSVILLE INDICATED A SEVERE
THUNDERSTORM OVER EASTERN FRANKLIN COUNTY NEAR PHIL CAMPBELL. ALSO
A STRONG THUNDERSTORM WAS LOCATED IN EASTERN COLBERT COUNTY. THESE
THUNDERSTORMS WILL MOVE INTO LAWRENCE COUNTY BY 510 AM.
 
THE STORMS WERE MOVING NORTHEAST AT 50 MILES PER HOUR.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS Q@UICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm 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.