Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 207, NWS Atlanta, GA

August 2, 1993Cobb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 2, 1993, 5:44 PM EDT for Cobb County, Georgia. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1993, 5:44 PM EDT (21:44 UTC)
Expired
Aug 2, 1993, 6:15 PM EDT
In force
31 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Cobb County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 9.7 hours before the alert went out and 118 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 1993-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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 1993-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
142 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1337 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
35 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 KATL 022148
SVRATL
GAC067-021015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
544 PM EDT MON AUG 2 1993

THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWEST GEORGIA

   ...COBB COUNTY

AT 540 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM JUST WEST OF MARIETTA.
THIS STORM SHOWED LITTLE MOVEMENT. DUE TO THE SLOW MOVEMENT SOME
LOCALITIES CAN EXPECT TORRENTIAL DOWNPOURS AND STREET FLOODING.


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, Aug 2, 3:16 PM EDT, 2 hours 28 minutes before
GAZ004-022115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
316 PM EDT MON AUG 2 1993

AT 310 PM EDT RADAR INDICATED A STRONG THUNDERSTORM WITH GUSTY WINDS
...FREQUENT DANGEROUS LIGHTNING...VERY HEAVY RAINFALL...AND POSSIBLY
SMALL HAIL JUST SOUTHEAST OF DAHLONEGA ON THE LUMPKIN...NORTH HALL
COUNTY BORDER. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS STORM BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS AND SEEK SHELTER.

PEOPLE THROUGH NORTHEAST GEORGIA SHOULD BE AWARE OF THIS THUNDERSTORM
AND OTHERS WHICH MAY DEVELOP LATER THIS AFTERNOON AND EVENING.
Special weather statement, Aug 2, 3:16 PM EDT, 2 hours 28 minutes before
GAZ004-022115-

SPECIAL WEATHER STAH OF THIS STORM BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS AND SEEK SHELTER.

PEOPLE THROUGH NORTHEAST GEORGIA SHOULD BE AWARE OF THIS THUNDERSTORM
AND OTHERS WHICH MAY DEVELOP LATER THIS AFTERNOON AND EVENING.
Special weather statement, Aug 2, 4:35 PM EDT, 1 hour 9 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-022130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
435 PM EDT MON AUG 2 1993

...THUNDERSTORMS CONTINUE TO RUMBLE ACROSS NORTHEAST GEORGIA...

WEATHER RADAR IN ATHENS INDICATED THUNDERSTORMS WITH VERY HEAVY
RAIN...DEADLY LIGHTNING...GUSTY WINDS AND SMALL HAIL OVER
FRANKLIN...HART...HALL AND NORTHERN JACKSON COUNTIES AND WERE
MOVING EAST AT 25 MILES AN HOUR.

PERSONS IN THE ABOVE MENTIONED COUNTIES AS WELL THOSE IN AND NEAR
THE CITIES OF GAINESVILLE AND HARTWELL SHOULD BE PREPARED FOR
APPROACHING THUNDERSTORMS AND MOVE INDOORS UNTIL THE STORMS HAVE
PASSED.

ELSWHERE RADAR INDICATED SCATTERED THUNDERSTORMS WITH HEAVY RAIN
ACROSS CENTRAL GEORGIA...WEST AND CENTRAL SOUTH CAROLINA AND
EAST ALABAMA AND EAST TENNESSEE. THE THUNDERSTORMS WITH THE
HEAVIEST RAIN WERE LOCATED SOUTH OF NEWBERRY SOUTH CAROLINA.

THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR.
Special weather statement, Aug 2, 4:36 PM EDT, 1 hour 8 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-022130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
435 PM EDT MON AUG 2 1993

...THUNDERSTORMS CONTINUE TO RUMBLE ACROSS NORTHEAST GEORGIA...

WEATHER RADAR IN ATHENS INDICATED THUNDERSTORMS WITH VERY HEAVY
RAIN...DEADLY LIGHTNING...GUSTY WINDS AND SMALL HAIL OVER
FRANKLIN...HART...HALL AND NORTHERN JACKSON COUNTIES AND WERE
MOVING EAST AT 25 MILES AN HOUR.

PERSONS IN THE ABOVE MENTIONED COUNTIES AS WELL THOSE IN AND NEAR
THE CITIES OF GAINESVILLE AND HARTWELL SHOULD BE PREPARED FOR
APPROACHING THUNDERSTORMS AND MOVE INDOORS UNTIL THE STORMS HAVE
PASSED.

ELSWHERE RADAR INDICATED SCATTERED THUNDERSTORMS WITH HEAVY RAIN
ACROSS CENTRAL GEORGIA...WEST AND CENTRAL SOUTH CAROLINA AND
EAST ALABAMA AND EAST TENNESSEE. THE THUNDERSTORMS WITH THE
HEAVIEST RAIN WERE LOCATED SOUTH OF NEWBERRY SOUTH CAROLINA.

THE STORMS WERE MOV\ING EAST AT 25 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 5:15 PM EDTSevere Thunderstorm WarningFFCCobb30 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.