Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 233, NWS Atlanta, GA

September 25, 1993Franklin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Sep 25, 1993, 7:26 PM EDT for Franklin County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Sep 25, 1993, 7:26 PM EDT (23:26 UTC)
Expired
Sep 25, 1993, 8:06 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Franklin County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 11.4 hours before the alert went out and 48 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 1993-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 216 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, Athens Municipal, GA at 12:00Z on 1993-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.1939Sfc1 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
216 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1127 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAHN 252326 RRA
SVRAHN
GAC119-260030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
726 PM EDT SAT SEP 25 1993
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTHEAST GEORGIA
 
   ...FRANKLIN COUNTY
 
AT 724 PM EDT...A SEVERE THUNDERSTORM WAS INDICATED OVER THE BORDER OF
FRANKLIN AND BANKS COUNTIES MOVING TO THE EAST AT 25 MILES.
 
PERSONS IN FRANKLIN COUNTY SHOULD BE ON THE ALERT FOR APPROACHING SEVERE
WEATHER AND SEEK SAFE SHELTER NOW.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCES(S OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 6:45 PM EDTSevere Thunderstorm WarningFFCBanks60 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.