Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 169, NWS Atlanta, GA

July 24, 19934 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 24, 1993, 5:30 PM EDT for 4 counties in Georgia. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1993, 5:30 PM EDT (21:30 UTC)
Expired
Jul 24, 1993, 6:00 PM EDT
In force
30 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Gilmer County, GA, Gordon County, GA, Murray County, GA, Pickens County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 9.5 hours before the alert went out and 143 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 1993-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 471 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 1993-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
471 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
10 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 
WUUS1 KATL 242131
SVRFFC
GAC123-129-213-227-242200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
530 PM EDT SAT JUL 24 1993
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...SOUTHWESTERN GILMER COUNTY...NORTHEASTERN GORDON COUNTY
   ...SOUTHEASTERN MURRAY COUNTY...NORTHWESTERN PICKENS COUNTY
 
AT 530 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR
CARTERS LAKE. THE STORM WAS MOVING SLOWLY SOUTH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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 24, 3:58 PM EDT, 1 hour 32 minutes before
GAZ001>003-242215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
358 PM EDT SAT JUL 24 1993

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR PARTS OF EXTREME NORTH...

AT 349 PM RADAR INDICATED A CLUSTER OF STORMS OVER FLOYD AND POLK
COUNTIES OF NORTHWEST GEORGIA. HEAVY RAINFALL WAS INDICATED IN THESE
STORMS. THE STORMS SHOWED VERY LITTLE MOVEMENT.

ANOTHER STORM WAS JUST WEST OF BLUE RIDGE LAKE IN FANNIN COUNTY IN THE
EXTREME NORTH. THIS STORM WAS MOVING EAST AROUND 10 MPH.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EARLY EVENING.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS..AND BE PREPARED TO TAKE QUICK ACTION IF NECESSARY
TO PROTECT LIFE AND PROPERTY. BOATERS SHOULD STAY UP-TO-DATE ON THIS
SITUATION AND BE READY TO EXIT THE WATER WHEN DARK CLOUDS APPROACH.

DANGEROUS LIGHTNING..STRONG GUSTY WINDS..
BRIEF HEAVY DOWNPOURS..AND
HAIL IS POSSIBLE WITH STORMS THIS AFTERNOON AND EVENING.
Special weather statement, Jul 24, 3:58 PM EDT, 1 hour 32 minutes before
GAZ001>003-242215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
358 PM EDT SAT JUL 24 1993

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR PARTS OF EXTREME NORTH...

AT 349 PM RADAR INDICATED A CLUSTER OF STORMS OVER FLOYD AND POLK
COUNTIES OF NORTHWEST GEORGIA. HEAVY RAINFALL WAS INDICATED IN THESE
STORMS. THE STORMS SHOWED VERY LITTLE MOVEMENT.

ANOTHER STORM WAS JUST WEST OF BLUE RIDGE LAKE IN FANNIN COUNTY IN THE
EXTREME NORTH. THIS STORM WAS MOVING EAST AROUND 10 MPH.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EARLY EVENING.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS..AND BE PREPARED TO TAKE QUICK ACTION IF NECESSARY
TO PROTECT LIFE AND PROPERTY. BOATERS SHOULD STAY UP-TO-DATE ON THIS
SITUATION AND BE READY TO EXIT THE WATER WHEN DARK CLOUDS APPROACH.

DANGEROUS LIGHTNING..STRONG GUSTY WINDS..BRIEF HEAVY DOWNPOURS..AND
HAIL IS POSSIBLE WITH STORMS THIS AFTERNOON AND EVENING.
Special weather statement, Jul 24, 4:30 PM EDT, 1 hour before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-242130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
430 PM EDT SAT JUL 24 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTH
GEORGIA UNTIL 9 PM EDT THIS EVENING. THIS WATCH INCLUDES THE
FOLLOWING COUNTIES OF NORTHEAST GEORGIA...DAWSON..BANKS..HART..
TOWNS..FRANKLIN..LUMPKIN..UNION..HABERSHAM..RABUN..WHITE..HALL
AND STEPHENS.

AT 425 PM EDT...A STRONG THUNDERSTORM...WITH VERY HEAVY RAINFALL...WAS
I DICATED 5 MILES WEST OF WALHALLA SOUTH CAROLINA.

A STRONG THUNDERSTORM...WITH VERY HEAVY RAINFALL...WAS INDICATED OVER
EAST GEORGIA 20 MILES NORTHWEST OF SYLVANIA.  STRONG THUNDERSTORMS WERE
ALSO INDICATED OVER LOUISVILLE AND 5 MILES NORTHWEST OF BLUE RIDGE.

MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.
Special weather statement, Jul 24, 4:38 PM EDT, 52 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-242130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
430 PM EDT SAT JUL 24 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTH
GEORGIA UNTIL 9 PM EDT THIS EVENING. THIS WATCH INCLUDES THE
FOLLOWING COUNTIES OF NORTHEAST GEORGIA...DAWSON..BANKS..HART..
TOWNS..FRANKLIN..LUMPKIN..UNION..HABERSHAM..RABUN..WHITE..HALL
AND STEPHENS.

AT 425 PM EDT...A STRONG THUNDERSTORM...WITH VERY HEAVY RAINFALL...WAS
I DICATED 5 MILES WEST OF WALHALLA SOUTH CAROLINA.

A STRONG THUNDERSTORM...WITH VERY HEAVY RAINFALL...WAS INDICATED OVER
EAST GEORGIA 20 MILES NORTHWEST OF SYLVANIA.  SbTRONG THUNDERSTORMS WERE
ALSO INDICATED OVER LOUISVILLE AND 5 MILES NORTHWEST OF BLUE RIDGE.

MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.
Special weather statement, Jul 24, 5:20 PM EDT, 10 minutes before
GAZ008-009-242200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
520 PM EDT SAT JUL 24 1993

   ...THUNDERSTORMS DEVELOPING ACROSS SOUTH-CENTRAL GEORGIA...

AT 5:15 PM... RADAR WAS SHOWING THUNDERSTORMS PUSHING INTO THE SOUTHWEST
PART OF TURNER COUNTY SOUTHWEST OF ASHBURN.

THESE THUNDERSTORMS HAVE BEEN MOVING NORTHEAST AT 10 MPH.

BECAUSE OF THE HEAT... THUNDERSTORMS MAY BECOME VERY STRONG IN A RATHER
SHORT TIME.  THESE HOT WEATHER THUNDERSTORMS WILL BRING BRIEF BUT VERY
HEAVY RAIN... GUSTY WINDS... HAIL... AND POTENTIALLY DEADLY LIGHTNING.

THE PRESENT MOVEMENT OF THE STORMS SHOULD BRING THEM INTO ASHBURN AND
INTO SOUTHERN SECTIONS OF IRWIN AND CRISP COUNTIES BY 6PM.
Special weather statement, Jul 24, 5:22 PM EDT, 8 minutes before
GAZ008-009-242200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
520 PM EDT SAT JUL 24 1993

   ...THUNDERSTORMS DEVELOPING ACROSS SOUTH-CENTRAL GEORGIA...

AT 5:15 PM... RADAR WAS SHOWING THUNDERSTORMS PUSHING INTO THE SOUTHWEST
PART OF TURNER COUNTY SOUTHWEST OF ASHBURN.

THESE THUNDERSTORMS HAVE BEEN MOVING NORTHEAST AT 10 MPH.

BECAUSE OF THE HEAT... THUNDERSTORMS MAY BECOME VERY STRONG IN A RATHER
SHORT TIME.  THESE HOT WEATHER THUNDERSTORMS WILL BRING BRIEF BUT VERY
HEAVY RAIN... GUSTY WINDS... HAIL... AND POTENTIALLY DEADLY LIGHTNING.

THE PRESENT MOVEMENT OF THE STORMS SHOULD BRING THEM INTO ASHBURN AND
INTO SOUTHERN SECTIONS OF IRWIN AND CRISP COUNTIES BY 6PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 6:03 PM EDTSevere Thunderstorm WarningFFCGilmer, Gordon, Pickens27 min
Jul 24, 6:30 PM EDTSevere Thunderstorm WarningFFCGordon, Pickens30 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.