Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 21, NWS Atlanta, GA

May 7, 1986Wilkes County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1986, 3:53 PM EDT for Wilkes County, Georgia. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 7, 1986, 3:53 PM EDT (19:53 UTC)
Expired
May 7, 1986, 5:00 PM EDT
In force
67 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Wilkes County, GA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 7.9 hours before the alert went out and 55 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 1986-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 891 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 1986-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 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
891 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
951 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-32 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 071953
SVRAGS
GAC317-072100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
353 PM EDT WED MAY 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

EAST CENTRAL GEORGIA...WILKES


 A SEVERE THUNDERSTORM IS DEFINED AS HAVING WINDS AT LEAST 58 MPH
 AND/OR HAIL 3/4 INCH IN DIAMETER OR LARGER. IF THREATENIN!G
 WEATHER APPROACHES...TAKE IMMEDIATE PRECAUTIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 4:22 PM EDTSevere Thunderstorm WarningFFCBarrow, Hall, Jackson53 min
May 7, 6:31 PM EDTSevere Thunderstorm WarningFFCNewton59 min
May 7, 7:25 PM EDTSevere Thunderstorm WarningFFCJohnson65 min
May 7, 7:38 PM EDTSevere Thunderstorm WarningFFCJohnson67 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1986Every severe thunderstorm warning in 1986

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.