Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 202, NWS Atlanta, GA

July 29, 1993Screven County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 29, 1993, 3:50 PM EDT for Screven County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1993, 3:50 PM EDT (19:50 UTC)
Expired
Jul 29, 1993, 4:30 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Screven County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.8 hours before the alert went out and 152 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, Charleston AFB, SC at 12:00Z on 1993-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1374 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, Charleston AFB, SC at 12:00Z on 1993-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1374 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1223 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
52 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 291951
SVRAGS
GAC251-292030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
350 PM EDT THU JUL 29 1993
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL GEORGIA
 
   ...EASTERN SCREVEN COUNTY
 
WEATHER SERVICE RADAR AT 345 PM EDT INDICATED A SEVERE THUNDERSTORM
OVER EASTERN EMANUAL COUNTY 5 MILES SOUTHEAST OF THE CITY OF
SYLVANIA AND OVER HIGHWAY 24. THE STORM IS MOVING TO THE SOUTHEAST AT
10 MPH AND SHOULD PASS JUST TO THE NORTH AND EAST OF THE TOWN OF
NEWINGTON.
 
 
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 29, 2:53 PM EDT, 57 minutes before
GAZ005-008-011-ALZ012-GAZ012-006-292100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
253 PM EDT THU JUL 29 1993

...SEVERE THUNDERSTORM WATCH NUMBER 726 IS IN EFFECT UNTIL 8 PM EDT FOR
PORTIONS OF WEST CENTRAL AND SOUTHWEST GEORGIA AND MOST OF SOUTH CENTRAL
GEORGIA...

AT 250 PM EDT COLUMBUS WEATHER RADAR WAS INDICATING THUNDERSTORMS
DEVELOPING ALL ACROSS WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA.
THE STRONGEST THUNDERSTORMS WERE IN AN AREA FROM LANETT TO 10 MILES
SOUTH OF OPELIKA ALABAMA...ANOTHER STRONG THUNDERSTORM WAS IN THE
VICINITY OF REYNOLDS GEORGIA.  THUNDERSHOWERS WERE DEVELOPING IN THE
COLUMBUS/PHENIX CITY AREAS ALSO.  ALL THESE STORMS WERE MOVING SOUTHEAST
AROUND 10 MILES AN HOUR.

AS THUNDERSTORMS CONTINUE TO DEVELOP THROUGHOUT THIS AFTERNOON AND
EVENING...EXPECT STRONG GUSTY WINDS...VERY HEAVY RAIN...DANGEROUS
LIGHTNING...AND POSSIBLE HAIL.  IF THREATENING WEATHER APPROACHES...SEEK
SHELTER IN A STURDY BUILDING...AWAY FROM WINDOWS...ELECTRICAL APPLIANCES
AND TELEPHONES.  LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 29, 3:00 PM EDT, 50 minutes before
GAZ005-008-011-ALZ012-GAZ012-006-292100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
253 PM EDT THU JUL 29 1993

...SEVERE THUNDERSTORM WATCH NUMBER 726 IS IN EFFECT UNTIL 8 PM EDT FOR
PORTIONS OF WEST CENTRAL AND SOUTHWEST GEORGIA AND MOST OF SOUTH CENTRAL
GEORGIA...

AT 250 PM EDT COLUMBUS WEATHER RADAR WAS INDICATING THUNDERSTORMS
DEVELOPING ALL ACROSS WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA.
THE STRONGEST THUNDERSTORMS WERE IN AN AREA FROM LANETT TO 10 MILES
SOUTH OF OPELIKA ALABAMA...ANOTHER STRONG THUNDERSTORM WAS IN THE
VICINITY OF REYNOLDS GEORGIA.  THUNDERSHOWERS WERE DEVELOPING IN THE
COLUMBUS/PHENIX CITY AREAS ALSO.  ALL THESE STORMS WERE MOVING SOUTHEAST
AROUND 10 MILES AN HOUR.

AS THUNDERSTORMS CONTINUE TO DEVELOP THROUGHOUT THIS AFTERNOON AND
EVENING...EXPECT STRONG GUSTY WINDS...VERY HEAVY RAIN...DANGEROUS
LIGHTNING...AND POSSIBLE HAIL.  IF THREATENING WEATHER APPROACHES...SEEK
SHELTER IN A STURDY BUILDING...AWAY FROM WINDOWS...ELECTRICAL APPLIANCES
AND TELEPHONES.  LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 2:37 PM EDTSevere Thunderstorm WarningFFCEmanuel53 min
Jul 29, 2:46 PM EDTSevere Thunderstorm WarningFFCBurke44 min
Jul 29, 3:36 PM EDTSevere Thunderstorm WarningFFCJohnson54 min
Jul 29, 3:40 PM EDTSevere Thunderstorm WarningFFCEmanuel50 min
Jul 29, 4:10 PM EDTSevere Thunderstorm WarningFFCLaurens65 min
Jul 29, 5:37 PM EDTSevere Thunderstorm WarningFFCFulton38 min
Jul 29, 6:08 PM EDTSevere Thunderstorm WarningFFCWilcox32 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.