Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 441, NWS Birmingham, AL

July 27, 1997Quitman County, Georgia; Barbour County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 27, 1997, 10:53 PM EDT for Quitman County, Georgia; Barbour County, Alabama. It was in force for 47 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
Jul 27, 1997, 10:53 PM EDT (02:53 UTC)
Expired
Jul 27, 1997, 11:40 PM EDT
In force
47 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Barbour County, AL, Quitman County, GA

The radar

The Ft Rucker radar (KEOX), 51 km from the middle of the area, began a volume at 02:57 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.9 hours before the alert went out and 180 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 00:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2430 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, Peachtre/Fal Fld, GA at 00:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
2430 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 280254 RRA
SVRBHM
ALC005-GAC239-280340-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
953 PM CDT SUN JUL 27 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1040 PM CDT (1140 PM EDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEASTERN ALABAMA

   ...BARBOUR COUNTY

IN SOUTHWESTERN GEORGIA

   ...QUITMAN COUNTY
 
AT 949 PM CDT (1049 PM EDT)...WEATHER RADAR SHOWED A LINE OF SEVERE
THUNDERSTORMS FROM LUMPKIN TO PHENIX CITY.  THESE STORMS WERE MOVING
SOUTHWEST AT 35 MPH AND WILL MOVE INTO THE NORTHERN PORTION OF QUITMAN
AND THE EASTERN PORTION OF BARBOUR COUNTIES FIRST AND THEN SPREAD OVER
THE REST OF THE COUNTIES.  THESE STORMS HAVE A HISTORY OF PRODUCING
DAMAGING WINDS.
 
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
Jul 27, 9:52 PM EDTSevere Thunderstorm WarningBMXChattahoochee, Muscogee63 min
Jul 27, 10:15 PM EDTSevere Thunderstorm WarningBMXStewart60 min
Jul 27, 10:26 PM EDTSevere Thunderstorm WarningBMXRussell59 min
Jul 28, 1:19 PM EDTSevere Thunderstorm WarningBMXMarengo31 min
Jul 28, 1:32 PM EDTSevere Thunderstorm WarningBMXCherokee48 min
Jul 28, 2:50 PM EDTSevere Thunderstorm WarningBMXJackson40 min
Jul 28, 3:10 PM EDTSevere Thunderstorm WarningBMXDeKalb, Jackson65 min
Jul 28, 3:33 PM EDTSevere Thunderstorm WarningBMXCalhoun57 min
Jul 28, 3:53 PM EDTSevere Thunderstorm WarningBMXMadison52 min
Jul 28, 4:18 PM EDTSevere Thunderstorm WarningBMXMorgan57 min
Jul 28, 4:40 PM EDTSevere Thunderstorm WarningBMXMarshall65 min
Jul 28, 4:54 PM EDTSevere Thunderstorm WarningBMXRandolph51 min
Jul 28, 4:58 PM EDTSevere Thunderstorm WarningBMXBlount, Cullman47 min
Jul 28, 5:11 PM EDTSevere Thunderstorm WarningBMXJefferson49 min
Jul 28, 5:15 PM EDTSevere Thunderstorm WarningBMXShelby60 min
Jul 28, 5:41 PM EDTSevere Thunderstorm WarningBMXTallapoosa64 min
Jul 28, 5:50 PM EDTSevere Thunderstorm WarningBMXBibb, Chilton40 min
Jul 28, 6:06 PM EDTSevere Thunderstorm WarningBMXCoosa54 min
Jul 28, 6:28 PM EDTSevere Thunderstorm WarningBMXBibb, Chilton47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997Severe 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; radar from the NEXRAD Level II archive.