Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 176, NWS Atlanta, GA

April 28, 1997Gwinnett County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 1997, 4:16 PM EDT for Gwinnett County, Georgia. It was in force for 59 min. 3 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
Apr 28, 1997, 4:16 PM EDT (20:16 UTC)
Expired
Apr 28, 1997, 5:15 PM EDT
In force
59 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Gwinnett County, GA

What was reported inside it

TimeReportWhereRemark
Apr 28, 4:20 PM EDTHail 1.75Lilburn, GA
Apr 28, 4:30 PM EDTThunderstorm WindNorcross, GA
Apr 28, 4:35 PM EDTHail 1.75Duluth, GA

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 28, 4:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.3 hours before the alert went out and 79 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 1997-04-28Temperature 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939587897117Sfc1 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
811 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

998 
WUUS1 KATL 282017 RRA
SVRATL
GAC135-282115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
416 PM EDT MON APR 28 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST GEORGIA
 
   ...GWINNETT COUNTY
 
SEVERE THUNDERSTORMS WERE CENTERED OVER ATLANTA IN CHAMBLEE AND TUCKER
AREA OF DE KALB COUNTY AT 412 PM. THESE DAMGEROUS STORMS ARE MOVING
NORTHEAST INTO LILBURN AND DELUTH AREA BY AROUND 420 PM AND LARENCVILLE
BY AROUND 430 PM.
 
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM
WINDOWS UNTIL THE STORM HAS PASSED. BOATERS, GOLFERS, AND OTHERS
INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER IMMEDIATELY.
 
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
Apr 27, 8:29 PM EDTFlash Flood WarningFFCMeriwether, Spalding6 hr
Apr 28, 2:05 AM EDTSevere Thunderstorm WarningFFCWilcox40 min
Apr 28, 2:30 AM EDTSevere Thunderstorm WarningFFCDodge30 min
Apr 28, 2:56 AM EDTSevere Thunderstorm WarningFFCDodge34 min
Apr 28, 3:10 AM EDTSevere Thunderstorm WarningFFCLaurens50 min
Apr 28, 2:32 PM EDTSevere Thunderstorm WarningFFCCarroll, Heard43 min
Apr 28, 3:01 PM EDTSevere Thunderstorm WarningFFCDouglas, Fulton44 min
Apr 28, 3:45 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton45 min
Apr 28, 3:54 PM EDTSevere Thunderstorm WarningFFCDeKalb51 min
Apr 28, 4:10 PM EDTSevere Thunderstorm WarningFFCMorgan, Oconee65 min
Apr 28, 4:10 PM EDTSevere Thunderstorm WarningFFCGordon65 min
Apr 28, 4:11 PM EDTSevere Thunderstorm WarningFFCCarroll34 min
Apr 28, 4:20 PM EDTSevere Thunderstorm WarningFFCGreene40 min
Apr 28, 4:22 PM EDTSevere Thunderstorm WarningFFCGilmer38 min
Apr 28, 4:44 PM EDTSevere Thunderstorm WarningFFCBarrow, Walton46 min
Apr 28, 4:46 PM EDTSevere Thunderstorm WarningFFCDouglas29 min
Apr 28, 4:50 PM EDTSevere Thunderstorm WarningFFCPolk25 min
Apr 28, 4:54 PM EDTSevere Thunderstorm WarningFFCHall, Jackson51 min
Apr 28, 5:02 PM EDTSevere Thunderstorm WarningFFCCobb, Paulding43 min
Apr 28, 5:13 PM EDTSevere Thunderstorm WarningFFCBanks32 min
Apr 28, 5:30 PM EDTSevere Thunderstorm WarningFFCBartow45 min
Apr 28, 5:48 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton27 min
Apr 28, 5:59 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth46 min
Apr 28, 6:10 PM EDTSevere Thunderstorm WarningFFCMadison20 min
Apr 28, 6:12 PM EDTSevere Thunderstorm WarningFFCGordon, Walker48 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.