Alert archive / Georgia / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 5, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 13, 1986, 8:49 AM EST for Barrow County, Jackson County, Georgia. It was in force for 56 min. 2 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
- Mar 13, 1986, 8:49 AM EST (13:49 UTC)
- Expired
- Mar 13, 1986, 9:45 AM EST
- In force
- 56 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Barrow 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 8:55 AM EST | Thunderstorm Wind 0 | Barrow, GA | |
| Mar 13, 9:10 AM EST | Thunderstorm Wind 0 | Jackson, 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, 1.8 hours before the alert went out and 34 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
- 391 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 464 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 373 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAHN 131355 RRA SVRAHN GAC013-157-131445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 849 AM EST THU MAR 13 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 AM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHEAST GEORGIA...BARROW AND JACKSON A SEVERE THUNDERSTOM IS MOVING THROUGH WESTERN PART OF WALTON COUNTY TOWARD BARROW AND JACKSON COUNTIES OF GEORGIA 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 LIGHNING AND STRONG GUSTY
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, Mar 13, 6:25 AM EST, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 620 AM EST THU MAR 13 1986 RADAR AT 620 AM INDICATED A LINE OF THUNDERSHOWERS ALONG WITH A FEW STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE LINE EXTENDED FROM NEAR LAGRANGE TO THE NORTH TO NEAR DOUGLASVILLE AND THEN FARTHER TO NEAR CARTERSVILLE. THE STRONGEST THUNDERSTORM WAS ABOUT 15 MILES NORTH OF NEWNAN. INDIVIDUAL STORMS IN THIS LINE WERE MOVING TO THE NORTH NORTHEAST AT 40 MILES AN HOUR WHILE THE LINE WAS MOVING EAST AT 20 MILES AN HOUR. THE STORMS WILL BE MOVING ACROSS THE ATLANTA METROPOLITAN AREA DURING THE NEXT TWO OR THREE HOURS. RESIDENTS SHOULD EXPECT A BRIEF PERIOD OF VERY HEAVY RAIN..GUSTY WINDS..8AND CLOUD TO GROUND LIGHTNING.
Special weather statement, Mar 13, 7:15 AM EST, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 7AM THU MARCH 13 1986 AT 7 AM THERE WAS A VERY HEAVY LINE OF THUNDERSTORMS MOVING THROUGH WEST GEORGIA. PORTIONS OF THIS LINE WILL BE MOVING INTO NORTHEAST GEORGIA WITHIN THE NEXT 1 TO 2 HOURS.. ALL PERSONS SHOULD LISTEN CLOSELY TO NOAA RADIO OR LOCAL RADIO STATIONS IN CASE WARNINGS ARE NEEDED WITH THIS SYSTEM WHEN IT MOVES INTO NORTHEAST GEORGIA. AT A MINIMUM HEAVY DhOWNPOURS...CLOUD TO GROUND LIGHTING... AND GUSTY WINDS ARE EXPECTED.
Special weather statement, Mar 13, 8:17 AM EST, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 815 AM EST THU MAR 13 1986 NATIONAL WEATHER SERVICE RADAR SHOWS A LINE OF THUNDERSTORMS MOVING ACROSS NORTH GEORGIA. THE LINE EXTENDED FROM BLAIRSVILLE TO CUMMING TO THE EASTERN SUBURBS OF ATLANA TO JUST WEST OF THOMASTON. THE STRONGEST THUNDERSTORM WAS ABOUT IN EASTERN DEKALB COUNTY NEAR LITHONIA. STRONG GUSTY WINDS AND VERY HEAAVY RAIN CAN BE EXPECTED WITH THIS LINE OF THUNDERSTORMS. STREET FLOODINGS IS ALSO OCCURRING IN LOW LYING AREAS AND WHERE DRAINAGE IS POOR. INDIVIDUAL STORMS IN THIS LINE WERE MOVING TO THE NORTH NORTHEAST AT 40 MILES AN HOUR WHILE THE LINE WAS MOVING EAST AT 20 MILES AN HOUR. THE LINE OF THUNDERSTORMS WILL BE MOVING EAST ACROSS LAKE LANIER AND INTO THE COVINGTON AND BARNESVILLE AREA BY 9 AM.
Special weather statement, Mar 13, 8:17 AM EST, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 8AM THU MARCH 13 1986 AT 8 AM THERE WERE HEAVY THUNDERSTORMS MOVING TOWARD NORTHEAST GEORGIA. THESE STORMS WILL BE ENTERING NORTHEAST GEORGIA WITHIN THE HOUR AND PERSON IN NEWTON WALTON AND BARROW COUNTIES SHOULD HAVE SPOTTERS OUT AT THIS TIME. ALL PERSONS SHOULD LISTEN CLOSELY TO NOAA RADIO OR LOCAL RADIO STATIONS IN CASE WARNINGS ARE NEEDED WITH THIS SYSTEM WHEN IT MOVES INTO NORTHEAST GEORGIA. AT A MINIMUM HEAVY DOWNPOURS...CLOUD TO GROUND LIGHTING... AND GUSTY WINDS ARE EXPECTED.
Local storm report, Mar 13, 8:38 AM EST, 11 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA GA 835 AM EST THU MAR 12 1986 ROCKDALE COUNTY SHERRIFFS OFFICE RELAYED REPORT FROM PUBLIC OF 3 TREES UPROOTED IN BACKYARD OF HOME IN SOUTH ROCKDALE COUNTY. OCCURRED ABOUT 815 AM EST.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 8:37 AM EST | Severe Thunderstorm Warning | FFC | Walton | 68 min |
| Mar 13, 9:34 AM EST | Severe Thunderstorm Warning | FFC | Morgan | 26 min |
| Mar 13, 12:03 PM EST | Severe Thunderstorm Warning | FFC | Crawford, Monroe | 57 min |
| Mar 13, 3:11 PM EST | Severe Thunderstorm Warning | FFC | Treutlen | 64 min |
| Mar 13, 4:03 PM EST | Severe Thunderstorm Warning | FFC | Dodge | 57 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.