Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 321, NWS Atlanta, GA

June 18, 1997Bleckley County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 18, 1997, 12:57 PM EDT for Bleckley County, Twiggs County, Georgia. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 18, 1997, 12:57 PM EDT (16:57 UTC)
Expired
Jun 18, 1997, 1:30 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Bleckley County, GA, Twiggs County, GA

What was reported inside it

TimeReportWhereRemark
Jun 18, 1:30 PM EDTThunderstorm WindCochran, GAStructural damage to a home and barn resulted from thunderstorm winds. A car was also blown off the blocks it was resting on.
Jun 18, 1:30 PM EDTThunderstorm WindJeffersonville, GANumerous tree limbs were knocked down and several power lines were snapped countywide.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.0 hours before the alert went out and 139 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 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
128 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
907 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 181659 RRA
SVRATL
GAC023-289-181730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1257 PM EDT WED JUN 18 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...BLECKLEY COUNTY...TWIGGS COUNTY
 
AT 1258 PM WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
NEAR WARNER ROBINS TO HAYNESVILLE MOVING NORTHEAST AT 30 MPH.
 
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 QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 1:13 PM EDTSevere Thunderstorm WarningFFCWilkinson32 min
Jun 18, 1:25 PM EDTSevere Thunderstorm WarningFFCLaurens35 min
Jun 18, 1:36 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington39 min
Jun 18, 1:56 PM EDTSevere Thunderstorm WarningFFCEmanuel, Treutlen49 min
Jun 18, 2:03 PM EDTSevere Thunderstorm WarningFFCJefferson27 min

Nearby

Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.