Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

March 31, 1993Macon County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 31, 1993, 7:57 AM EST for Macon County, Georgia. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Mar 31, 1993, 7:57 AM EST (12:57 UTC)
Expired
Mar 31, 1993, 9:00 AM EST
In force
63 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Macon County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 1.0 hours before the alert went out and 190 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 1993-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 1993-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
33 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
33 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 KCSG 311258
SVRCSG
GAC193-311400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
757 AM EST WED MAR 31 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  900 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL GEORGIA
 
   ...MACON COUNTY
 
AT 758 AM EST WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
JUST WEST OF OGLETHORPE MOVING EAST NORTHEAST AT 30 MILES AN HOUR.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 6:27 AM ESTSevere Thunderstorm WarningTAEMarion63 min
Mar 31, 7:36 AM ESTSevere Thunderstorm WarningTAEMarion, Sumter, Webster69 min
Mar 31, 7:36 AM ESTSevere Thunderstorm WarningTAESchley69 min
Mar 31, 8:45 AM ESTSevere Thunderstorm WarningTAEMarion, Taylor60 min
Mar 31, 3:16 PM ESTSevere Thunderstorm WarningTAEDougherty29 min
Mar 31, 3:23 PM ESTSevere Thunderstorm WarningTAEWorth37 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.