Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 45, NWS Atlanta, GA

July 15, 1986Lincoln County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 15, 1986, 5:20 PM EDT for Lincoln County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1986, 5:20 PM EDT (21:20 UTC)
Expired
Jul 15, 1986, 6:00 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Lincoln 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, 9.3 hours before the alert went out and 80 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 1986-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1986-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-9 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 152120
SVRAGS
GAC181-152200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
520 PM EDT TUE JUL 15 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

EAST CENTRAL GEORGIA...LINCOLN

A SEVERE THUNDERSTORM WAS SHOWN BY RADAR 5 MILES NORTHEAST
OF WASHINGTON..GEORGIA AND MOVING TOWARD THE CLARK HILL
RESERVOIR.

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

 THIS STORM IS ACCOMPANIED BY FREQUENT LIGHTNING AND STRONG GUSTY
 WINDS.

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 15, 3:06 PM EDT, 2 hours 14 minutes before
TTAASP KAHN 151906
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
300 PM EDT TUE JUL 15 1986

AT 250 PM EDT THE ATHENS RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
HAVE DEVELOPED OVER PARTS OF NORTHEAST GEORGIA WITH THE STRONGEST
STORMS LOCATED NORTHEAST OF CLAYTON..IN RABUN COUNTY..AND JUST NORTH
OF LAVONIA..IN NORTHERN FRANKLIN COUNTY AND WERE MOVING SOUTH AT 12
MILES AN HOUR.

OTHER STRONG THUNDERSTORMS WERE SCATTERED THROUGHOUT NORTHEAST GEORGIA
AND SHOULD CONTINUE FOR THE REMAINDER OF THE AFTERNOON.

THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING PERIODS OF VERY
HEAVY RAINFALL..BRIEF GUSTY WINDS..DANGEROUS LIGHTNING AND POSSIBLY
SOME SMALL HAIL DURING THE REMAINDER OF THE A,FTERNOON.

PERSONS NEAR THUNDERSTORMS SHOULD SEEK SHELTER AWAY FROM THE LIGHTNING..
AND BOATERS SHOULD USE EXTRA CAUTION AS THUNDERSTORMS APPROACH.
Special weather statement, Jul 15, 4:36 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
430 PM EDT TUE JUL 15 1986

A BAND OF THUNDERSTORMS EXTENDS ACROSS NORTHEAST  GEORGIA FROM
SOUTH OF HARTWELL TO EAST OF THE ATHENS AREA AND TO NEAR MADISON.
THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...STRONG
GUSTY WINDS...DANGEROUS LIGHTNING AND POSSIBLE SOME SMALL HAIL
AS THEY MOVE TO THE SOUTHEAST 10 MPH.

ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE OCCURRING FROM NEAR
MACON GEORGIA NORTHEAST ACROSS THE WESTERN TIP OF SOUTH CAROLINA
TO NEAR ASHEVILLE NORTH CAROLINA.

AN AREA OF THUNDERSTORMS WAS ALSO INDICATED NEAR COLUMBIA SOUTH
CAROLINA.

THUNDERSTORMS WERE MOVING TO THE SOUTHEAST 1g0 MPH.

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.