Alert archive / Georgia / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 103, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Nov 20, 1986, 9:40 AM EST for Barrow County, Walton 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
- Nov 20, 1986, 9:40 AM EST (14:40 UTC)
- Expired
- Nov 20, 1986, 10:40 AM EST
- In force
- 60 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Barrow County, GA, Walton 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 20, 10:05 AM EST | Thunderstorm Wind 0 | Walton, 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, 2.7 hours before the alert went out and 40 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 504 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 594 m²/s²
- 0-3 km storm-relative helicity
- 760 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KAHN 201440
SVRAHN
GAC013-217-297-201540-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
940 AM EST THU NOV 20 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1040 AM EST FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTHEAST GEORGIA
..BARROW..NEWTON..WALTON
AT 935 AM EST A SHORT LINE OF SEVERE THUNDERSTORMS WAS MOVING
ACROSS NORTHWEST GEORGIA. THIS LINE WAS LOCATED FROM JUST SOUTH
OF BUFORD SOUTH TO JUST WEST OF LAWRENCEVILLE TO JUST WEST OF
CONYERS. SEVERAL REPORTS OF TREES AND POWER LINES DOWN WITH WINDS
IN EXCESS OF 50 MILES AN HOUR. THIS LINE WAS MOVING TO THE EAST AT
50 MILES AN HOUR. WITHIN THE NEXT 30 MINUTES THIS LINE SHOULD BE
ENTERING THE CITIES WINDER...MONROE...AND COVINGTON GEORGIA.
IF YOU ARE CAUGHT OUTSIDE, SEEK SHELTER FROM THE WEATHER IN A
STURONG BUILDING. DAMAGING WIND, LARGE HAIL, VERY HEAVY RAIN, AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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, Nov 20, 4:21 AM EST, 5 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS, GA 420 AM EST THU NOV 20 1986 ...VERY STRONG THUNDERSTORMS OVER EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA... AT 415 AM EST COLUMBUS WEATHER RADAR INDICATED SEVERAL VERY STRONG THUNDERSTORMS OVER CENTRAL GEORGIA AND CENTRAL ALABAMA...INCLUDING THE COLUMBUS/PHENIX CITY AREA. THE MOST INTENSE STORMS AT THAT TIME WERE JUST WEST OF PHENIX CITY AND ALSO IN THE TALBOTTAN GEORGIA AREA. PEOPLE IN WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA SHOULD EXPECT STRONG GUSTY WINDS...TORRENTIAL RAIN AND DANGEROUS LIGHTNING FROM THESE FAST MOVING THUNDERSTORMS FOR THE NEXT HOUR OR SO...AND LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL RADnIO AND TELEVISION STATIONS FOR FURTHER UPDATES.
Special weather statement, Nov 20, 4:30 AM EST, 5 hours 10 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED TO ADD MOVEMENT OF STORMS. NATIONAL WEATHER SERVICE COLUMBUS, GA 429 AM EST THU NOV 20 1986 ...VERY STRONG THUNDERSTORMS OVER EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA... AT 415 AM EST COLUMBUS WEATHER RADAR INDICATED SEVERAL VERY STRONG THUNDERSTORMS OVER CENTRAL GEORGIA AND CENTRAL ALABAMA...INCLUDING THE COLUMBUS/PHENIX CITY AREA. THE MOST INTENSE STORMS AT THAT TIME WERE JUST WEST OF PHENIX CITY AND ALSO IN THE TALBOTTAN GEORGIA AREA. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. PEOPLE IN WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA SHOULD EXPECT STRONG GUSTY WINDS...TORRENTIAL RAIN AND DANGEROUS LIGHTNING FROM THESE FAST MOVING THUNDE RSTORMS FOR THE NEXT HOUR OR SO...AND LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL RADIO AND TELEVISION STATIONS FOR FURTHER UPDATES.
Special weather statement, Nov 20, 8:41 AM EST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 840 AM EST THU NOV 20 1986 A BAND OF STRONG THUNDERSTORMS IS MOVING INTO NORTHWEST GEORGIA THIS MORNING. THE THUNDERSTORMS EXTENDED FROM JUST SOUTH OF ROME TO CARROLONTON AND LAGRANGE AT 835 AM. THE POLICE DEPARTMENT IN BREMEN IN HARALSON COUNTY REPORTED STRONG GUSTY WINDS OF 45 MPH AS THIS BAND OF THUNDERSTORMS MOVED THROUGH AT 8 30 AM. THIS BAND OF THUNDERSTORMS IS MOVING RAPIDLY EAST AT 45 MPH AND SHOULD APPROACH THE WESTERN SUBURBS OF ATLANTA BETWEEN 9 AND 9 30 AM. PEROPLE IN THE AREA SHOULD BE ALERT FOR STRONG GUSTY WINDS OF 45 TO 50 MPH AND BRIEF HEAVY RAIN AS THIS SYSTEM MOVES IN FROM THE WEST.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 8:51 AM EST | Severe Thunderstorm Warning | FFC | Douglas, Fulton | 54 min |
| Nov 20, 8:51 AM EST | Severe Thunderstorm Warning | FFC | Paulding | 54 min |
| Nov 20, 9:04 AM EST | Severe Thunderstorm Warning | FFC | Cobb, Fulton | 56 min |
| Nov 20, 9:13 AM EST | Severe Thunderstorm Warning | FFC | DeKalb, Henry, Rockdale | 62 min |
| Nov 20, 9:13 AM EST | Severe Thunderstorm Warning | FFC | Forsyth, Gwinnett | 62 min |
| Nov 20, 9:40 AM EST | Severe Thunderstorm Warning | FFC | Newton | 60 min |
| Nov 20, 10:05 AM EST | Severe Thunderstorm Warning | FFC | Clarke, Oconee | 35 min |
| Nov 20, 10:05 AM EST | Severe Thunderstorm Warning | FFC | Morgan | 35 min |
| Nov 20, 10:30 AM EST | Severe Thunderstorm Warning | FFC | Greene, Oglethorpe, Taliaferro | 20 min |
| Nov 20, 12:25 PM EST | Severe Thunderstorm Warning | FFC | Bibb, Houston, Twiggs | 35 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.