Alert archive / Georgia / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 7, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 13, 1986, 12:03 PM EST for Crawford County, Monroe County, Georgia. It was in force for 57 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
- Mar 13, 1986, 12:03 PM EST (17:03 UTC)
- Expired
- Mar 13, 1986, 1:00 PM EST
- In force
- 57 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Crawford County, GA, Monroe 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, 12:30 PM EST | Hail 0.75 | Monroe, 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, 5.1 hours before the alert went out and 135 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 KMCN 131703 SVRMCN GAC079-207-131800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MACON GA 1203 PM EST THU MAR 13 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL GEORGIA...CRAWFORD AND MONROE AT 12 NOON EST MACON WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTH CRAWFORD AND SOUTH MONROE COUNTIES MOVING NORTH NORTHEAST AT AROUND 40S MPH.
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
Local storm report, Mar 13, 9:26 AM EST, 2 hours 37 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA GA 924 AM EST THU MAR 12 1986 GEORGIA EMERGENCY MANAGEMENT RELAYED REPORT RECEIVED FROM FAYETTE COUNTY, 5 MILES SOUTH FAYETTEVILLE. REPORTED TREES DOWN, BARN DAMAGED. TIME REPORTED AS 855 AM EST.
Local storm report, Mar 13, 9:40 AM EST, 2 hours 23 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 930AM EST MARCH 13 1986 0840E PUBLIC REPORT OF TREES DOWN ACROSS ROAD IN WEST PART OF WALTON COUNTY WINDS EST 60 MPH 0855E PUBLIC REPORT OF TREE DAMAGE WITH ROADS LITTER IN SOTHEAST BARROW COUNTY.. WIND EST 50 TO 60 MPH 0910E PUBLIC REPORT OF TREE LIMB DAMAGE IN SOUTHEAST JACKSON COUNTY WITH SOME HOME ROOF DAMAGE ALSO. EST WIND 60 MPH.
Special weather statement, Mar 13, 9:40 AM EST, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 940 AM EST THU MAR 13 1986 NATIONAL WEATHER SERVICE RADAR SHOWS A THAT THE LINE OF STRONG THUNDERSTORMS HAS MOVED OUT OF NORTHWEST GEORGIA AND THE ATLANTA AREA. THE LINE NOW EXTENDS FROM NEAR ATHENS SOUTH TO NEAR MONTICELLO. THERE WERE SCATTERED REPORTS OF WIND DAMAGE WITH THIS LINE OF THUNDERSTORMS, ESPECIALLY JUST SOUTH AND EAST OF THE ATLANTA AREA. A BROAD AREA OF SHOWERS AND SCATTERED THUNDERSHOWERS CONTINUE TO DEVELOP BEHIND THIS LINE OF THUNDERSTORMS. THIS AREA COVERS THE METRO ATLANTA AREA AS WELL AS MOST OF NORTHWEST GEORGIA. SOME STREET FLOODING HAS BEEN REPORTED IN THE METRO AREA IN LOW SPOTS AND IN AREAS WHERE DRAINAGE IS POOR. WITH THUNDERSHOWERS CONTINUING IN THE AREA THIS MORNING, MOTORISTS SHOULD REMAIN ALERT FOR WATER COVERING ROADWAYS IN FLOOD-PRONE AREAS.
Special weather statement, Mar 13, 10:00 AM EST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1000 AM EST THU MAR 13 1986 THE SEVERE THUNDERSTORM WARNING THAT WAS ISSUED FOR MORGAN COUNTY IS NO LONGER IN EFFECT. AT 10 AM A LINE OF VERY HEAVY THUNDERSTORMS WAS INDICATED FROM HARTWELL GEORGIA TO ATHENS TO MADISON GEORGIA. THIS LINE WILL PRODUCE GUSTY WINDS...VERY HEAVY RAINFALL...FREQUENT LIGHTNING...AND POSSIBLY EVEN SOME HAIL AS IT MOVES TO THE EAST AT 20 MPH. THE 6POSSIBILITY OF SEVERE THUNDERSTORMS STILL EXIST WITH THIS LINE AND PERSON IN ADVANCE OF THE LINE SHOULD REMAIN ALERT AND LISTEN TO NOAA RADIO OR YOUR LOCAL RADIO STATIONS.
Local storm report, Mar 13, 10:13 AM EST, 1 hour 50 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
10 AM EST THU MAR 13 1986
0950 EST MORGAN COUNTY GA 6 MILES NORTH OF MADISON GA HAM RADIO
PERSON REPORTED HVY RAIN GUSTY WINDS BUT NO DAMAG?E.
SHF OFFICE AT MORGAN COUNTY HAS HAD NO DAMAGE REPORTS
SO FAR...Special weather statement, Mar 13, 11:06 AM EST, 57 minutes before
SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE MACON GA 1105 AM EST THU MAR 13 1986 THE LINE OF HEAVY TO VERY HEAVY THUNDERSTORMS THAT APPROACHED CENTRAL GEORGIA EARLIER THIS MORNING IS REORGANIZING AND AGAIN MOVING TOWARD THE SOUTHEAST AT AROUND 15 MPH. AT 11 AM EST MACON WEATHER SERVICE RADAR SHOWED THE LINE EXTENDING FROM SOUTH OF ATHENS SOUTHWEST ACROSS EASTERN UPSON COUNTY..THEN SOUTHWEST TO NEAR COLUMBUS. THE HEAVIEST THUNDERSTORMS IN THE LINE WERE MOVING INTO NORTHWEST MONROE COUNTY AND WILL BE APPROACHING FORSYTH WITHIN THE NEXT HOUR. VERY HEAVY THUNDERSTORMS WERE ALSO OCCURRING IN NORTHERN JASPER COUNTY. PERSONS IN THE PATH OF THESE STORMS CAN EXPECT VERY HEAVY RAIN.. GUSTY WIND..AND POSSIBLY SMALL HAIL AS THEY MOVE THROUGH THE AREA.
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, 8:49 AM EST | Severe Thunderstorm Warning | FFC | Barrow, Jackson | 56 min |
| Mar 13, 9:34 AM EST | Severe Thunderstorm Warning | FFC | Morgan | 26 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.