Alert archive / Georgia / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 76, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 31, 1986, 5:24 PM EDT for Heard County, Troup 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
- Jul 31, 1986, 5:24 PM EDT (21:24 UTC)
- Expired
- Jul 31, 1986, 6:20 PM EDT
- In force
- 56 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Heard County, GA, Troup 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 |
|---|---|---|---|
| Jul 31, 5:45 PM EDT | Thunderstorm Wind 0 | Heard, GA | |
| Jul 31, 6:10 PM EDT | Thunderstorm Wind 0 | Troup, 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.4 hours before the alert went out and 200 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
- 1201 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1706 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 312126 SVRATL GAC149-285-312220- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 524 PM EDT THU JUL 31 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 620 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL GEORGIA...HEARD AND TROUP AT 520PM, NATIOANAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM ABOUT 20 MILES NORTH OF LAGRANGE. THIS STORM IS MOVING SOUTH AT 35 MPH. 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 FREQiUENT 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 31, 2:32 PM EDT, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 230 PM EDT THU JUL 31 1986 STRONG THUNDERSTORMS ARE MOVING INTO NORTH GEORGIA. AT 230 PM, NATIONAL WEATHER SERVICE RADAR SHOWED THE STRONGEST STORMS BETWEEN CHATTANOOGA AND ROME IN CHATOOGA, NORTHERN FLOYD, AND GORDON COUNTIES. THESE THUNDERSTORMS ARE MOVING SOOUTHEAST AT 35 MPH, AND WILL BE MOVING INTO THE ROME AND CALHOUN AREAS BY 3 PM. STRONG GUSTY WINDS, SMALL HAIL, AND BRIEF HEAVY DOWNPOURS CAN BE EXPECTED IN PARTS OF NORTHWEST GEORGIA AS THESE THUNDERSTORMS MOVE IN FROM THE NORTHWEST.
Special weather statement, Jul 31, 3:42 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 340 PM EDT THU JUL 31 1986 THUNDERSTORMS ARE PRODUCING STRONG GUSTY WINDS OVER PORTIONS OF NORTHWEST GEORGIA THIS AFTERNOON. AT 330 PM EDT RADAR SHOWED A FEW STRONG THUNDERSTORMS STRETCHING FROM NEAR CEDARTOWN TO LAKE ALATOONA. ALTHOUGH THE THUNDERSTORMS WERE WEAKENING IN INTENSITY.. SOME WERE STILL PRODUCING HIGH WINDS. REPORTS FROM SUMMERVILLE IN CHATOOGA COUNTY AND FROM THE ROME AREA ESTIMATE WIND SPEEDS OF OVER 40 MPH RESULTING IN SOME POWER OUTAGES AND TREE DAMAGE. RESIDENTS OF NORTHWEST GEORGIA...PARTICULARLY IN POLK..CHEROKEE.. PAULDING..HARALSON..COBB..CARROLL AND DOUGLAS COUNTIES..SHOULD BE ALERT TO THE POSSIBILITY OF HIGH WINDS..SMALL HAIL AND BRIEF HEAVY DOWNPOURS OVER THE NEXT HOUR OR TWO.
Special weather statement, Jul 31, 4:36 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 430 PM EDT THU JUL 31 1986 ...STRONG THUNDERSTORMS MOVING INTO NORTHEAST GEORGIA.. AT 430 PM EDT A STRONG THUNDERSTORM WAS MOVING INTO NEWTON COUNTY IN NORTHEAST GEORGIA. SOME WIND DAMAGE WAS REPORTED TO TREES AND POWER LINES WITH THIS STORM AS IT MOVED THROUGH ROCKDALE COUNTY. PERSONS IN COVINGTON AND NEWTON COUNTY SHOULD BE AWARE OF THIS STORM AS IT MOVES SOUTHEAST AT 30& MILES AN HOUR. OTHER STRONG THUNDERSTORMS COULD DEVELOP ACROSS NORTHEAST GEORGIA DURING THE REMAINDER OF THIS AFTERNOON AND EVENING.
Special weather statement, Jul 31, 4:57 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 500 PM EDT THU JUL 31 1986 THUNDERSTORMS ARE PRODUCING STRONG GUSTY WINDS OVER PORTIONS OF NORTHWEST GEORGIA THIS AFTERNOON. AT 445 PM EDT RADAR SHOWED A FEW STRONG THUNDERSTORMS WEST AND SOUTHWEST OF ATLANTA ACROSS CARROLL COUNTY EXTENDING INTO EXTREME SOUTHWEST FULTON COUNTY. A STRONG THUNDERSTORM WAS ALSO NOTED NEAR LA GRANGE. THE STORMS WERE MOVING SOUTHEAST AT 35 MPH PRODUGCING HIGH WINDS AND DANGEROUS LIGHTNING. RESIDENTS OF CARROLL..HEARD..COWETA..TROUP AND MERIWETHER COUNTIES SHOULD BE ALERT TO THE POSSIBILITY OF HIGH WINDS..SMALL HAIL AND DANGEROUS LIGHTNING OVER THE NEXT HOUR OR TWO.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 2:15 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 13 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.