Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 185, NWS Atlanta, GA

August 17, 1992Columbia County, McDuffie County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 17, 1992, 11:58 PM EDT for Columbia County, McDuffie County, Georgia. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Aug 17, 1992, 11:58 PM EDT (03:58 UTC)
Expired
Aug 18, 1992, 12:45 AM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Columbia County, GA, McDuffie County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 4.0 hours before the alert went out and 99 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 00:00Z on 1992-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 760 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 00:00Z on 1992-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 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
760 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAGS 180359
SVRAGS
GAC073-189-180445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
1158 PM EDT MON AUG 17 1992
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...WESTERN COLUMBIA COUNTY...MCDUFFIE COUNTY
 
AT 1157 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 5 MILES NORTHWEST OF THE TOWN OF THOMSON IN MCDUFFIE
COUNTY. THE THUNDERSTORM WAS MOVING TO THE EAST AT 15 MPH
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAI>N.
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 17, 6:35 PM EDT, 5 hours 23 minutes before
GAZ002-004-172330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
634 PM EDT MON AUG 17 1992

THUNDERSTORMS CONTUINUE OVER NORTHEAST GEORGA...

THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED OVER BAKNS...
HALL AND STEPHENS COUNTIES OF NORTHEAST GEORGIA. THESE
THUNDERSTORMS ARE MOVING NORTHEAST AT 15 MILES AN HOUR.

PERSONS IN HALL...BANKS...HABERSHAM AND STYEPHENS COUNTIES OF
NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY DOWNPOURS...
STRONG GUSTY SURFACE WINDS...FREQUENT CLOUD TO GROUND LIGHTING...
SMALL HAIL AND FLOODING OF LOW LYING ROADWAYS AND OTHER FLOOD
PRONE AREAS FOR THE NEXT HOUR.

.
Special weather statement, Aug 17, 6:41 PM EDT, 5 hours 17 minutes before
GAZ006-172330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
640 PM EDT MON AUG 17 1992

    ...STRONG THUNDERSTORMS WERE MOVING INTO JASPER COUNTY...

AT 640 PM NATIONAL WEATHER SERVICE RADAR IN MACON SHOWED STRONG
THUNDERSTORMS WEST AND SOUTHWEST OF MONTICELLO...MOVING EAST AT 15 MPH.

THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...A LOT OF
LIGHTNING...AND STRONG GUSTY WINDS. RADAR SHOWED HAIL WAS OCCURRING
IN THIS STORM.
Local storm report, Aug 17, 6:45 PM EDT, 5 hours 13 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
645 PM EDT MON AUG 17 1992

COUNTY........ HABERSHAM

SOURCE........ CLARKSVILLE FD

TIME.......... 555 PM EDT

LOCATION...... 11/2 EAST OF THE CITY OF CLARKSVILLE

TYPE STORM.... STRONG THUNDERSTORM

HAIL.......... PEA SIZE

DAMAGE........ ONE TREE FELL ONTO HOUSE...SOME DAMAGE

INJURIES...... NONE
Special weather statement, Aug 17, 7:14 PM EDT, 4 hours 44 minutes before
GAZ003-180100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
715 PM EDT MON AUG 17 1992

...THUNDERSTORMS MOVING EAST OUT OF METROPOLITAN ATLANTA...

AT 700 PM EDT THE THUNDERSTORM WARNING FOR BUTTS COUNTY ENDED. ONLY VERY
HEAVY RAIN AND FREQUENT LIGHTNING WAS REPORTED NEAR JACKSON GEORGIA.

AT 7 PM OTHER STRONG THUNDERSTORMS WERE INDICATED BY RADAR IN HEARD
COUNTY AND FROM JONESBORO TO LITHONIA TO LAWRENCEVILLE TO BUFORD IN THE
EASTERN METORPOLITAN AREA. STRONGEST STORMS AT 700 PM WERE NEAR BUFORD
AND WEST OF LAWRENCEVILLE.

MOVEMENT OF THE STORMS WAS EAST AT 15 MILES AN HOUR.

THESE STORMS ARE ACCOMPANIED BY DANGEROUS CLOUD TO GROUND LIGHTNING...
GUSTY WINDS AND HEAVY RAIN. THE RAIN MAY CAUSE SOME BRIEF STREET AND SMALL
STREAM FLOODING EARLY THIS EVENING.
Special weather statement, Aug 17, 7:31 PM EDT, 4 hours 27 minutes before
GAZ002-004-180030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
728 PM EDT MON AUG 17 1992

A LINE OF THUNDERSTORMS HAS FORMED OVER NORTHEAST GEORGIA.

A LINE OF THUNDERSTORMS HAVE FORMED OVER NORTHEAST GEORGIA THROUGH
HALL...BANKS...FRANKLIN AND STEPHENS COUNTIES. THESE THUNDERSTORMS
ARE MOVING EAST AT 15 MILES AN HOUR.

PERSONS IN THE ABOVE NAMED COUNTIES SHOULD REMAIN ALERT FOR BRIEF
HEAVY RAIN...STRONG GUSTY SURFACE WINDS...FREQUENT CLOUD TO GROUND
LIGHTNING...SMALL HAIL AND FLOODING OF LOW LYING ROADWAYS AND OTHER
FLOOD PRONE LOW PLACES FOR THE NEXT HOUR.
Special weather statement, Aug 17, 8:23 PM EDT, 3 hours 35 minutes before
GAZ004-180130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
822 PM EDT MON AUG 17 1992

A LINE OF THUNDERSTORMS FROM NEAR LAVONIA SOUTHWEST TO MONROE
CONTINUES TO MOVE TO THE SOUTHEAST AT 10 MILES AN HOUR. THUNDER-
STORMS IN THE LINE ARE MOVING EAST AT 15 MPH.

PERSONS IN FRANKLIN...HART...BANKS...MADISON...JACKSON...BARROW...
WALTON...OCONEE...AND CLARKE COUNTIES SHOULD REAMIN ALERT FOR BRIEF
HEAVY DOWNPOURS...STRONG GUSTY SUR`FACE WINDS...FREQUENT CLOUD TO GROUNLIGHTNING...SMALL HAIL...AND FLOODING OF LOW LYING ROADWAYS AND
OTHER LOW LYING FLOOD PRONE AREAS FOR THE NEXT HOUR.

Nearby

Severe Thunderstorm Warnings in Georgia, 1992Every severe thunderstorm warning in 1992

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.