Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 74, NWS Atlanta, GA

July 29, 1986McDuffie County, Wilkes County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 29, 1986, 8:04 PM EDT for McDuffie County, Wilkes County, Georgia. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1986, 8:04 PM EDT (00:04 UTC)
Expired
Jul 29, 1986, 9:00 PM EDT
In force
56 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties McDuffie County, GA, 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

Charleston AFB, SC (KCHS), launched 00:00Z, 0.1 hours before the alert went out and 256 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 00:00Z on 1986-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2109 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 00:00Z on 1986-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
2109 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KAGS 300004
SVRAGS
GAC317-189-300100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
804 PM EDT TUE JUL 29 1986

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

EAST CENTRAL GEORGIA...SOUTHERN WILKES AND MCDUFFIE

WEATHER RADAR IS OBSERVING A VERY HEAVY THUNDERSTORM MOVING
SOUTH AT 20 MPH THROUGH SOUTHERN WASHINGTON COUNTY..NEARING
THE MCDUFFIE COUNTY LINE AT THIS TIME.

 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.

 IF DARK THREATENING CLOUDS OR LOUD ROARING SOUNDS APPROACH YOUR
 AREA...SEEK SHELTER IMMEDIATELY. A BASEMENT OR INTERIOR HALLWAY
 IS THE SAFEST PLACE. LISTEN TO WEATHER RADIO FOR THE LATEST
 BULLETINS.

 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 29, 3:44 PM EDT, 4 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
340 PM EDT TUE JUL 29 1986

AT 335 PM WEATHER SERVICE RADAR IN MACON SHOWED VERY STRONG THUNDERSTORMS
MOVING INTO CENTRAL GEORGIA. THE MOST INTENSE THUNDERSTORMS WERE LOCATED
IN LAURENS COUNTY NORTH OF DUBLIN..IN TREUTLEN COUNTY NORTHEAST OF
SOPERTON AND DODGE COUNTY EAST OF EASTMAN GEORGIA.

THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL STRONG GUSTY
SURFACE WINDS, DANGEROUS LIGHTING AND POSSIBLY SOME HAIL.

MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR.

PERSONS LOCATED NEAR THESE STRONG THUNDERSTORMS SHOULD BE ALERT FOR
CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SAFE PLACE
IF CONDITIONS WARRANT.
JWB/1941Z
Local storm report, Jul 29, 5:52 PM EDT, 2 hours 12 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
545 PM EDT TUE JUL 29 1986

COUNTY.....BEN HILL
SOURCE.....RADIO STATION WBHB..FITZGERALD
TIME.......425 PM EDT
LOCATION...SOUTH FITZGERALD IN BEN HILL COUNTY
TYPE STORM.SEVERE THUNDERSTORM.
WIDTH......UNKN
LENGTH.....UNKN
HAIL.......NICKEL SIZE
DAMAGE.....NONE REPORTED
TREES......UNKN
INJURES....UNKN
COST.......UNKN
WATCHES....NONE
WARNINGS...SEVERE THUNDERSTORM WARNING VALID 416PM EDT-515 PM EDT
Special weather statement, Jul 29, 6:49 PM EDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS, GA
650 PM EDT TUE JUL 29 1986

...VERY STRONG THUNDERSTORMS SCATTERED IN LINES IN SOUTH GEORGIA...

   THE SEVERE THUNDERSTORM WARNING FOR TIFT COUNTY HAS DECREASED IN
INTENSITY AND THE WARNING WILL EXPIRE AT 7 PM. HOWEVER THIS STORM
WAS JUST EAST OF TIFTON AND PART OF A SCATTERED LINE OF VERY STRONG
THUNDERSTORMS THAT EXTENDED TO 7 MILES WEST OF SYLVESTER. ALL THIS
ACTIVITY WAS MOVING SOUTH AT 15 MILES AN HOUR.

  PERSONS ACROSS WORTH..TIFT..COLQUITT AND COOK COUNTIES OF SOUTH
CENTRAL GEORGIA SHOULD BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND SHOULD BE READY TO TAKE PROTECTIVE MEASURES AS THESE STORMS
MOVE THROUGH. THEY SHOULD BEGIN TO DECREASE ONCE THE SUN GOES DOWN
BUT UNTIL THEN..STRONG GUSTY WINDS TO 45 MPH ALONG WITH SOME VERY
DANGEROUS LIGHTNING WILL BE A THREAT. VERY HEAVY RAIN AND POSSIBLY
SOME SMALL HAIL WILL ALSO ACCOMPANY THESE STORMS. LISTEN TO NOAA WEATHER
RADIO AND OTHER NEWS MEDIA FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Jul 29, 7:50 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS, GA
750 PM EDT TUE JUL 29 1986

...VERY STRONG THUNDERSTORMS CONTINUE IN SOUTHWEST GEORGIA...

  A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR MITCHELL COUNTY IN SOUTHWEST GEORGIA. THE SEVERE THUNDERSTORM
WARNING FOR WORTH COUNTY IS CANCELLED SINCE THE STORM HAS MOVED
SOUTHWEST INTO NORTHERN MITCHELL COUNTY HEADED FOR BACONTON. THIS
STORM IS STILL SEVERE AND WILL LIKELY PRODUCE HAIL AND DANGEROUS
WINDS. ANOTHER VERY STRONG THUNDERSTORM WAS NEAR ARLINGTON IN
NORTHEAST EARLY COUNTY BUT WAS DECREASING.  MOVEMENT OF ALL THIS
ACTIVITY WAS NOW SOUTHWEST AT 15 MILES AN HOUR.

PERSONS ACROSS SOUTHWEST GEORGIA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING
WEATHER THAT COULD BE VERY DANGEROUS. THE INTENSE HEAT COUPLED WITH WITH
A LOW PRESSURE TROUPH HAS BEEN THE REASON FOR SUCH INTENSE STORMS. LISTEN
TO NOAA WEATHER RADIO OR TV AND RADIO FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.

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.