Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 95, NWS Atlanta, GA

August 16, 1986Hall County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 16, 1986, 8:00 PM EDT for Hall County, Georgia. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 16, 1986, 8:00 PM EDT (00:00 UTC)
Expired
Aug 16, 1986, 9:00 PM EDT
In force
60 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Hall County, GA

The radar

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

What was reported inside it

TimeReportWhereRemark
Aug 16, 8:20 PM EDTThunderstorm Wind 52Hall, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 0.0 hours before the alert went out and 63 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 00:00Z on 1986-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1176 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1986-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1176 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1410 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
20 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 KAHN 170003
SVRAHN
GAC139-170100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
800 PM EDT SAT AUG 16 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

NORTHEAST GEORGIA...HALL

AT 8 PM EDT, A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 10 MILES WEST OF
GAINESVILLE. MOVING NORTHEAST AT 15 MPH.

IF THREATENING CONIDTIONS ARE SIGHTED..SEEK REINFORCED SHELTER
AND PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN
AND LIGHTNING. REMEMBER THESE STORMS CAN OCCASIONALLY PRODUCE A
TORNADO WITH LITTLE OR NO ADVANCE WARNING.

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, Aug 16, 5:22 PM EDT, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
520 PM EDT SAT AUG 16 1986

A BAND OF STRONG THUNDERSTORMS EXTENDED FROM JUST WEST OF CHATTANOOGA
SOUTH TO NEAR ANNISTON ALABAMA AT 520 PM EDT.  THIS LINE OF
STORMS IS MOVING EAST AT 25 MPH AND WILL BE MOVING INTO THE NORTHWEST
GEORGIA COUNTIES WHICH BORDER ALABAMA THIS EVENING.

BRIEF HEAVY RAIN, STRONG GUSTY WINDS, AND FREQUENT LIGHTNING WILL
ACCOMPANY THESE STORMS.

PEOPLE IwN THE NORTHWEST GEORGIA AREA, ESPECIALLY IN COUNTIES ALONG
THE ALABAMA BORDER...SHOULD BE ALERT AS THESE THUNDERSTORMS APPROACH
FROM THE WEST.
Special weather statement, Aug 16, 7:40 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
735 PM EDT SAT AUG 16 1986

STRONG THUNDERSTORMS NORTHWEST GEORGIA AND WILL MOVE INTO THE WEST
PART OF NORTHEAST GEORGIA DURING THE NEXT HOUR. THESE THUNDERSTORM
ARE MOVING EAST AT 20 MILES AN HOUR.

PEOPLE IN THE WEST PARTS OF NORTHEAST GEORGIA SHOULD BE ALERT FOR
BRIEF HEAVY RAIN STRONG GUSTY WINDS AND FREQUENT LIGHTNING.

OTHERWISE WIDELY SCATTERED SHOWERS WERE NOTED OVER THE NORTH TWO THIRDS
OF GEORGIA AND IN THE WEST PARTS OF THE CAROLINAS.

RAIN WITH SEVERAL EMBEDDED THUNDERSTORMS CONTINUED OVER NORTHWEST
GEORGIA SOUTHEAST TENNESSEE AND EAST ALABAMA.

MOVEMENT NORTHEAST 20 MILES AN HOUR.

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.