Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 152, NWS Atlanta, GA

July 22, 1992Richmond County, Georgia; Aiken County, South Carolina

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 22, 1992, 3:35 PM EDT for Richmond County, Georgia; Aiken County, South Carolina. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 22, 1992, 3:35 PM EDT (19:35 UTC)
Expired
Jul 22, 1992, 4:30 PM EDT
In force
55 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Richmond County, GA, Aiken County, SC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 7.6 hours before the alert went out and 145 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 1992-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1198 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 1992-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
1198 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
44 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 KAGS 221937
SVRAGS
GAC245-SCC003-222030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
335 PM EDT WED JUL 22 1992
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...EASTERN RICHMOND COUNTY
 
 
IN WEST CENTRAL SOUTH CAROLINA
 
   ...AIKEN COUNTY
 
WEATHER RADAR AT 335 PM EDT SHOWS A CLUSTER OF SEVERE THUNDERSTORMS
OVER EASTERN RICHMOND COUNTY OF GEORGIA EXTENDING IN TO AIKEN COUNTY
OF SOUTH CAROLINA MOVING SLOWLY EASTWARD.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DTAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 22, 12:57 PM EDT, 2 hours 38 minutes before
GAZ002-004-221900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
1 PM EDT WED JUL 22 1992

...THUNDERSTORMS ARE BEGINNING TO BUILD ACROSS NORTHEAST GEORGIA...

SCATTERED THUNDERSTORMS WILL BUILD RAPIDLY ACROSS NORTHEAST GEORGIA
DURING THE NEXT SEVERAL HOURS. THESE THUNDERSTORMS WILL BE CAPABLE OF
PRODUCING VERY HEAVY RAINFALL...STRONG GUSTY SURFACE WINDS...FREQUENT
CLOUD TO GROUND LIGHTNING...SMALL HAIL AND FLOODING OF LOW PLACES ON
ROADWAYS AND OTHER FLOOD PRONE AREAS.

PEOPLE ACROSS NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR THESE THUNDER-
STORMS AND TAKE SHELTER AS THEY APPROACH. BOATERS ON AREA LAKES SHOULD
GIVE THEMSELVES PLENTY OF TIME TO FIND SAFE HARBOR AHEAD OF THESE>
THUNDERSTORMS.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.
Special weather statement, Jul 22, 1:08 PM EDT, 2 hours 27 minutes before
GAZ001-003-221915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
111 PM EDT WED JUL 22 1992

THUNDERSTORMS HAVE DEVELOPED RAPIDLY DURING THE PAST HOUR ACROSS NORTH
GEORGIA. AMONG THE STRONGEST STORMS WITH THE HEAVIEST RAIN WERE A
CLUSTER NEAR CEDARTOWN IN POLK COUNTY AND ANOTHER CLUSTER NEAR
MCDONOUGH IN HENRY COUNTY. THE ONES IN HENRY COUNTY ARE IN THE SAME
AREA THAT RECEIVED HEAVY RAIN YESTERDAY AFTERNOON. DUE TO THE SLOW
MOVEMENT OF THESE STORMS...SOME LOCALIZED FLOODING OF STREETS AND
INTERSECTIONS IS POSSIBLE. IN ADDITION...AS WITH ANY THUNDERSTORM
FREQUENT DANGEROUS LIGHTNING AND GUSTY WINDS CAN BE EXPECTED.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS NORTH GEORGIA THIS
AFTERNOON...AND LOCALLY HEAVY RAIN IS POSSIBLE. RESIDENTS SHOULD BE
ALERT TO ANY RAPIDLY CHANGING WEATHER CONDITIONS...AND SEEK SHELTER
INSIDE IF LIGHTNING IS SIGHTED.
Special weather statement, Jul 22, 2:51 PM EDT, 44 minutes before
GAZ002-004-222100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
250 PM EDT WED JUL 22 1992

...THUNDERSTORMS CONTINUE ACROSS NORTHEAST GEORGIA...

SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS NORTHEAST GEORGIA FOR THE
NEXT SEVERAL HOURS. THESE SLOW MOVING THUNDERSTORMS ARE CAPABLE OF
PRODUCING VERY HEAVY RAINFALL...STRONG GUSTY SURFACE WINDS...FREQUENT
CLOUD TO GROUND LIGHTNING...SMALL HAIL AND FLOODING OF LOW PLACES ON
ROADWAYS AND OTHER FLOOD PRONE AREAS.

PEOPLE ACROSS NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR THESE THUNDER-
STORMS AND SEEK SAFE SHELTER AS THEY APPROACH. BOATERS ON AREA LAKES
SHOULD GIVE THEMSELVES PLENTY OF TIME TO FIND SAFE HARBOR AHEAD OF THESE
THUNDERSTORMS.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.
Special weather statement, Jul 22, 2:57 PM EDT, 38 minutes before
GAZ003-222000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
300 PM EDT WED JUL 22 1992

AT 255 PM EDT WEATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY
HEAVY RAIN OVER DOWNTOWN ATLANTA NORTHWARD TOWARD SANDY SPRINGS IN
NORTH FULTON COUNTY. THIS THUNDERSTORM SHOWED ONLY A SLOW EASTWARD
DRIFT WHICH WILL TAKE IT TOWARD WESTERN DEKALB COUNTY.

WITH THE SLOW MOVEMENT AND HEAVY RAIN...FLOODING OF STREETS AND
INTERSECTIONS...XESPECIALLY THE DOWNTOWN CONNECTOR AND OTHER INTERSTATE
HIGHWAYS NORTH OF ATLANTA IS LIKELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 6:54 PM EDTSevere Thunderstorm WarningFFCBibb66 min
Jul 22, 7:09 PM EDTFlash Flood WarningFFCBibb66 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1992Severe Thunderstorm Warnings in South Carolina, 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.