Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 113, NWS Atlanta, GA

July 3, 1992Screven County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 3, 1992, 4:35 PM EDT for Screven County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1992, 4:35 PM EDT (20:35 UTC)
Expired
Jul 3, 1992, 5:15 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, 8.6 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 1992-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1020 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 1992-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1020 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
59 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 032035
SVRAGS
GAC251-032115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
435 PM EDT FRI JUL 3 1992
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...EASTERN SCREVEN COUNTY
 
NATIONAL WEATHER SERVICE RADAR INDICATES A SEVERE THUNDERSTORM NEAR
SYLVANIA IN SCREVEN COUNTY GEORGIA MOVING TO THE SOUTHEAST AT 25 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 2:02 PM EDTSevere Thunderstorm WarningFFCMcDuffie, Warren, Wilkes58 min
Jul 3, 2:13 PM EDTSevere Thunderstorm WarningFFCBaldwin47 min
Jul 3, 3:19 PM EDTSevere Thunderstorm WarningFFCBurke, Jefferson56 min
Jul 3, 4:31 PM EDTSevere Thunderstorm WarningFFCPulaski44 min

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.