Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 73, NWS Atlanta, GA

May 13, 1993Clayton County, DeKalb County, Henry County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 1993, 8:19 AM EDT for Clayton County, DeKalb County, Henry County, Georgia. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
May 13, 1993, 8:19 AM EDT (12:19 UTC)
Expired
May 13, 1993, 9:15 AM EDT
In force
56 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Clayton County, GA, DeKalb County, GA, Henry County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 0.3 hours before the alert went out and 96 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, Athens Municipal, GA at 12:00Z on 1993-05-13Temperature 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, Athens Municipal, GA at 12:00Z on 1993-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
47 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.

000 
WUUS1 KATL 131218
SVRFFC
GAC063-089-151-247-131315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
819 AM EDT THU MAY 13 1993
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...NORTHEASTERN CLAYTON COUNTY...DEKALB COUNTY
   ...NORTHERN HENRY COUNTY...ROCKDALE COUNTY
 
AT 8:15 AM WSB RADIO REPORTED TO THE NATIONAL WEATHER SERVICE THAT
GOLFBALL SIZE HAIL WAS REPORTED BY LISTENERS IN JONESBORO...SOUTHEAST OF
ATLANTA. IN ADDITION...LOCAL WARNING RADAR ALSO INDICATED A STRONG
LIKELIHOOD OF LARGE HAIL WITH THIS STORM.
 
THE STORM WAS LOCATED AT 8:15 AM ABOUT 15 MILES EAST SOUTHEAST OF THE
ATLANTA AIRPORT...MOVING NORTHEAST AT ABOUT 40 MILES AN HOUR.
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  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.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:19 AM EDTSevere Thunderstorm WarningFFCRockdale56 min
May 13, 10:33 AM EDTSevere Thunderstorm WarningFFCCarroll, Paulding42 min
May 13, 12:09 PM EDTSevere Thunderstorm WarningFFCBarrow, Jackson66 min
May 13, 12:09 PM EDTSevere Thunderstorm WarningFFCWalton66 min
May 13, 12:12 PM EDTSevere Thunderstorm WarningFFCGwinnett48 min
May 13, 12:29 PM EDTSevere Thunderstorm WarningFFCPike, Spalding46 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCBanks, Franklin, Habersham, Stephens61 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee61 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCBarrow, Walton51 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCJackson51 min
May 13, 2:08 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jenkins67 min
May 13, 2:20 PM EDTSevere Thunderstorm WarningFFCFranklin, Hart40 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1993Every severe thunderstorm warning in 1993

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.