Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 203, NWS Birmingham, AL

March 29, 1997Russell County, Alabama; Stewart County, Georgia

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 29, 1997, 5:11 PM CST for Russell County, Alabama; Stewart County, Georgia. It was in force for 49 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 29, 1997, 5:11 PM CST (23:11 UTC)
Expired
Mar 29, 1997, 6:00 PM CST
In force
49 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Russell County, AL, Stewart County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 140 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1430 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 292312 RRA
SVRBHM
ALC113-GAC259-300000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
511 PM CST SAT MAR 29 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CST (700 PM EST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL ALABAMA

   ...RUSSELL

IN WEST CENTRAL GEORGIA

   ...STEWART
 
AT 509 PM CST (609 PM EST)...A SEVERE THUNDERSTORM WAS INDICATED BY
WEATHER RADAR 3 MILES SOUTHWEST OF COTTONTON MOVING EAST AT 25 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
COTTONTON                   AROUND 518 PM CST
FLORENCE                    AROUND 621 PM EST
OMAHA                       AROUND 627 PM EST
 
IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A
STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER.
DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS
LIGHTNING ARE ALL "LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER
ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 8:56 PM CSTSevere Thunderstorm WarningBMXLauderdale64 min
Mar 28, 10:32 PM CSTSevere Thunderstorm WarningBMXLawrence58 min
Mar 28, 10:47 PM CSTSevere Thunderstorm WarningBMXMorgan58 min
Mar 29, 12:13 AM CSTSevere Thunderstorm WarningBMXCullman32 min
Mar 29, 12:20 AM CSTSevere Thunderstorm WarningBMXWalker50 min
Mar 29, 12:25 AM CSTSevere Thunderstorm WarningBMXBlount65 min
Mar 29, 12:39 AM CSTSevere Thunderstorm WarningBMXDeKalb66 min
Mar 29, 1:04 AM CSTSevere Thunderstorm WarningBMXSt. Clair31 min
Mar 29, 1:10 AM CSTSevere Thunderstorm WarningBMXEtowah65 min
Mar 29, 1:23 AM CSTSevere Thunderstorm WarningBMXCalhoun62 min
Mar 29, 1:30 AM CSTSevere Thunderstorm WarningBMXCherokee35 min
Mar 29, 2:00 AM CSTSevere Thunderstorm WarningBMXSt. Clair20 min
Mar 29, 2:45 AM CSTSevere Thunderstorm WarningBMXCalhoun30 min
Mar 29, 2:51 AM CSTSevere Thunderstorm WarningBMXCleburne64 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Severe Thunderstorm Warnings in Georgia, 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.