Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 22, NWS Atlanta, GA

May 7, 1986Barrow County, Hall County, Jackson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1986, 4:22 PM EDT for Barrow County, Hall County, Jackson County, Georgia. It was in force for 53 min. 5 reports 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
May 7, 1986, 4:22 PM EDT (20:22 UTC)
Expired
May 7, 1986, 5:15 PM EDT
In force
53 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Barrow County, GA, Hall County, GA, Jackson 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
May 7, 5:00 PM EDTHail 1.75Hall, GA
May 7, 5:00 PM EDTHail 1.75Barrow, GA
May 7, 5:15 PM EDTHail 1.75Hall, GA
May 7, 5:15 PM EDTHail 1.75Barrow, GA
May 7, 5:15 PM EDTHail 1.75Jackson, 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 12:00Z, 8.4 hours before the alert went out and 43 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 KAHN 072022
SVRAHN
GAC013-139-157-072130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
422 PM EDT WED MAY 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTHEAST GEORGIA...BARROW...HALL AND JACKSON

AT 415 PM EDT RADAR INDICATED A SEVERE THUNDERSTOR M JUST
SOUTHEAST O;F DAWSONVILLE GEORGIA MOVING TO THE SOUTHEAST AT
20 MPH.


 THIS IS A VERY DANGEROUS STORM. TAKE PRECAUTIONS IMMEDIATELY !

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, May 7, 1:06 PM EDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
105PM EDT WED MAY 7 1986

SEVERAL VERY HEAVY THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN
GEORGIA AND ARE MOVING INTO NORTHEAST GEORGIA NORTH OF A LINE
FROM DAWSONVILLE TO TOCCOA GEORGIA.

SCATTERED HEAVY THUNDERSTORMS ARE EXPECTED TO CONTINUE FOR THE
NEXT SEVERAL HOURS OVER THIS PORTION OF GEORGIA.

PERSONS IN THIS AREA SHOULD REMAIN ALERT FOR BRIEF HEAVY RAIN,
STRONG GUSTY SURFACE WINDS AND POSSIBLE SMALL HAIL AS THE HEAVY
THUNDERSTORMS MOVE ACROSS THEIR AREA.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.
Special weather statement, May 7, 2:41 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
240PM EDT WED MAY 7 1986

NUMEROUS THUNDERSTORMS..A FEW VERY HEAVY CONTINUE A CYCLE OF
DEVELOPING AND DISSIPATING ACROSS ALL PARTS OF NORTHEAST GEORGIA.

THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE FOR THE NEXT SEVERAL
HOURS.

PERSONS ACROSS NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY
RAIN..STRONG GUSTY SURFACE WINDS AND POSSIBLE SMALL HAIL AS THE HEAVY
THUNDERSTORMS MOVE ACROSS THEIR AREA.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.
Special weather statement, May 7, 3:41 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
340PM EDT WED MAY 7 1986

NUMEROUS THUNDERSTORMS..A FEW VERY HEAVY CONTINUE A CYCLE OF
DEVELOPING AND DISSIPATING ACROSS ALL PARTS OF NORTHEAST GEORGIA.

THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE FOR THE NEXT TWO TO
THREE HOURS.

PERSONS ACROSS NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY
RAIN..STRONG GUSTY SURFACE WINDS..FREQUENT CLOUD TO GROUND LIGHTNING
AND POSSIBLE SMALL HAIL AS THESE THUNDERSTORMS MOVE ACROSS THEIR AREA.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.
Special weather statement, May 7, 3:51 PM EDT, 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
350PM EDT WED MAY 7 1986

NUMEROUS THUNDERSTORMS..A FEW VERY HEAVY CONTINUE A CYCLE OF
DEVELOPING AND DISSIPATING ACROSS ALL PARTS OF NORTHEAST GEORGIA.

THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE FOR THE NEXT TWO TO
THREE HOURS.

PERSONS ACROSS NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY
RAIN..STRONG GUSTY SURFACE WINDS..FREQUENT CLOUD TO GROUND LIGHTNING
AND POSSIBLE SMALL HAIL AS THESE THUNDERSTORMS MOVE ACROSS THEIR AREA.

AT 345 PM EDT A NATIONAL WEATHER SERVICE EMPLOYEE REPORTS 1/4 TO 1/2
INCH HAIL COVERING THE GROUND AND WINDS ESTIMATED TO BE 30 TO 40 MILES
AN HOUR AT HIS HOME IN OGLETHORPE COUNTY.

ADDITIONAL STATEMENTS OR WARNING WILL BE ISSUED AS NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 3:53 PM EDTSevere Thunderstorm WarningFFCWilkes67 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.