Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 162, NWS Atlanta, GA

July 23, 1993Bibb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 23, 1993, 3:50 PM EDT for Bibb County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 23, 1993, 3:50 PM EDT (19:50 UTC)
Expired
Jul 23, 1993, 4:30 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Bibb County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 7.8 hours before the alert went out and 132 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 1993-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 932 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 1993-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
932 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
883 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCN 231951 RRA
SVRMCN
GAC021-232030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
350 PM EDT FRI JUL 23 1993
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL GEORGIA
 
   ...BIBB COUNTY
 
AT 350 PM WEATHER RADAR IN MACON SHOWED A SEVERE THUNDERSTORM OVER THE
CITY OF MACON GA. MOVMENT WAS EAST AT 5 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 23, 2:57 PM EDT, 53 minutes before
GAZ005-232000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
257 PM EDT FRI JUL 23 1993

...THUNDERSTORMS RAPIDLY DEVELOPING OVER WEST CENTRAL GEORGIA...

AT 257 PM EDT...NATIONAL WEATHER SERVICE RADAR AT COLUMBUS INDICATED
NUMEROUS THUNDERSTORMS DEVELOPING OVER WEST CENTRAL GEORGIA.  THE
STRONGEST STORMS WERE LOCATED 10 MILES NORTHWEST OF TALBOTTON AND 5
MILES EAST OF JUNCTION CITY.  LITTLE MOVEMENT WAS INDICATED.

STRONG THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THIS
AFTERNOON AND EVENING.  SOME STORMS WILL PRODUCE STRONG GUSTY
WINDS...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND VERY HEAVY RAINS DUE TO
THE SLOW MOVEMENT.

IF THREATENING WEATHER APPROACHES...MOVE INDOORS AND AWAY FROM
ELECTRICAL APPLIANCES AND TELEPHONES.  LISTEN FOR FURTHER STATEMENTS OR
WARNINGS.
Special weather statement, Jul 23, 3:04 PM EDT, 46 minutes before
GAZ005-232000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
257 PM EDT FRI JUL 23 1993

...THUNDERSTORMS RAPIDLY DEVELOPING OVER WEST CENTRAL GEORGIA...

AT 257 PM EDT...NATIONAL WEATHER SERVICE RADAR AT COLUMBUS INDICATED
NUMEROUS THUNDERSTORMS DEVELOPING OVER WEST CENTRAL GEORGIA.  THE
STRONGEST STORMS WERE LOCATED 10 MILES NORTHWEST OF TALBOTTON AND 5
MILES EAST OF JUNCTION CITY.  LITTLE MOVEMENT WAS INDICATED.

STRONG THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THIS
AFTERNOON AND EVENING.  SOME STORMS WILL PRODUCE STRONG GUSTY
WINDS...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND VERY HEAVY RAINS DUE TO
THE SLOW MOVEMENT.

IF THREATENING WEATHER APPROACHES...MOVE INDOORS AND AWAY FROM
ELECTRICAL APPLIANCES AND TELEPHONES.  LISTEN FOR FURTHER STATEMENTS OR
WARNINGS.
Special weather statement, Jul 23, 3:14 PM EDT, 36 minutes before
GAZ005-232115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
314 PM EDT FRI JUL 23 1993

...THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER PARTS OF WESTCENTRAL
GEORGIA THIS AFTERNOON...

A 3O5 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA SHOWED SEVERAL
STRONG THUNDERSTORMS HAD FORMED IN TROUP...MERRIWETHER...AND UPSON
COUNTIES. THE STRONGEST THUNDERSTORMS WERE NEAR GREENVILLE...10 MILES
SOUTHEAST OF LAGRANGE...AND JUST SOUTH OF THOMASTON. LITTLE MOVEMENT WAS
INDICATED WITH THESE STORMS.

DUE TO THE EXTREMELY HOT WEATHER THIS AFTERNOON THE COOLER OUTFLOW FROM
THESE THUNDERSTORMS COULD RESULT IN VERY GUSTY SURFACE WINDS. ALSO
INTENSE CLOUD TO GROUND LIGHTNING IS LIKELY ALONG WITH A BRIEF PERIOD
OF HEAVY RAIN AND PERHAPS SOME SMALL HAIL.

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP OVER
NORTHWEST AND WESTCENTRAL GEORGIA DURING THE REMAINDER OF THE AFTERNOON
AND INTO THE EVENING HOURS. PERSONS SHOULD BE ON THE LOOKOUT FOR RAPIDLY
DEVELOPING THUNDERSTORMS AND BE PREPARED TO SEEK SAFE COVER.
Special weather statement, Jul 23, 3:19 PM EDT, 31 minutes before
GAZ005-232115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
314 PM EDT FRI JUL 23 1993

...THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER PARTS OF WESTCENTRAL
GEORGIA THIS AFTERNOON...

A 3O5 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA SHOWED SEVERAL
STRONG THUNDERSTORMS HAD FORMED IN TROUP...MERRIWETHER...AND UPSON
COUNTIES. THE STRONGEST THUNDERSTORMS WERE NEAR GREENVILLE...10 MILES
SOUTHEAST OF LAGRANGE...AND JUST SOUTH OF THOMASTON. LITTLE MOVEMENT WAS
INDICATED WITH THESE STORMS.

DUE TO THE EXTREMELY HOT WEATHER THIS AFTERNOON THE COOLER OUTFLOW FROM
THESE THUNDERSTORMS COULD RESULT IN VERY GUSTY SURFACE WINDS. ALSO
INTENSE CLOUD TO GROUND LIGHTNING IS LIKELY ALONG WITH A BRIEF PERIOD
OF HEAVY RAIN AND PERHAPS SOME SMALL HAIL.

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP OVER
NORTHWEST AND WESTCENTRAL GEORGIA DURING THE REMAINDER OF THE AFTERNOON
AND INTO THE EVENING HOURS. PERSONS SHOULD BE ON THE LOOKOUT FOR RAPIDLY
DEVELOPING THUNDERSTORMS AND BE PREPARED TO SEEK SAFE COVER.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 4:42 PM EDTSevere Thunderstorm WarningFFCLamar33 min
Jul 23, 4:49 PM EDTSevere Thunderstorm WarningFFCMonroe41 min
Jul 23, 5:08 PM EDTSevere Thunderstorm WarningFFCJones52 min
Jul 23, 5:42 PM EDTSevere Thunderstorm WarningFFCLaurens48 min
Jul 23, 6:51 PM EDTSevere Thunderstorm WarningFFCHancock, Washington47 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.