Alert archive / Georgia / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 69, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 27, 1986, 7:43 PM EDT for Houston County, Twiggs County, Georgia. It was in force for 62 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 27, 1986, 7:43 PM EDT (23:43 UTC)
- Expired
- Jul 27, 1986, 8:45 PM EDT
- In force
- 62 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Houston County, GA, Twiggs 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 27, 8:15 PM EDT | Thunderstorm Wind 0 | Houston, GA | |
| Jul 27, 8:30 PM EDT | Thunderstorm Wind 0 | Twiggs, 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
Jacksonville, FL (KAYS), launched 12:00Z, 11.7 hours before the alert went out and 289 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
- 718 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 9 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 KMCN 280005 SVRMCN GAC289-153-280045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MACON GA 743 PM EDT SUN JUL 27 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL GEORGIA...TWIGGS AND HOUSTON AT 740 PM WEATHER SERVICE RADAR IN MACON SHOWED A POSSIBLE SEVERE THUNDERSTORM BETWEEN JEFFERSONVILLE AND WARNER ROBINS DRIFTING SLOWLY SOUTHWEST. THIS STORM COULD PRODUCE LARGE HAIL AND DAMAGING WINDS. IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER.
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, Jul 27, 4:07 PM EDT, 3 hours 36 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA GA 407 PM EDT SAT JUL 26 1986 RADIO STATION WGTA IN SUMMERVILLE, GA. REPORTS TREES AND POWER LINES DOWN IN THE AREA. A NUMBER OF WINDOWS IN THE DOWNTOWN BUSINESS DISTRICT WERE BLOWN OUT. MARBLE SIZED HAIL WAS REPORTED AT THE RADIO STATION. RAINFALL AT THE STATION TOTALED ONLY .30 INCHES BUT THEY SAID IT APPEARED TO BE MUCH HEAVIER NORTH OF THEM IN THE NORTH PART OF THE TOWN. THE DAMAGE OCCURRED A5T BETWEEN 3:00 AND 3:15 PM EDT TODAY. SO FAR NO INJURIES HAVE BEEN REPORTED. SUMMERVILLE IS IN THE EXTREME NORTHWEST PART OF GEORGIA IN CHATTOOGA COUNTY.
Local storm report, Jul 27, 4:08 PM EDT, 3 hours 35 minutes before
LOCAL STORM REPORT..CORRECTION NATIONAL WEATHER SERVICE ATLANTA GA 407 PM EDT SUN JUL 27 1986 RADIO STATION WGTA IN SUMMERVILLE, GA. REPORTS TREES AND POWER LINES DOWN IN THE AREA. A NUMBER OF WINDOWS IN THE DOWNTOWN BUSINESS DISTRICT WERE BLOWN OUT. MARBLE SIZED HAIL WAS REPORTED AT THE RADIO STATION. RAINFALL AT THE STATION TOTALED ONLY .30 INCHES BUT THEY SAID IT APPEARED TO BE MUCH HEAVIER NORTH OF THEM IN THE NORTH PART OF THE TOWN. THE D6AMAGE OCCURRED AT BETWEEN 3:00 AND 3:15 PM EDT TODAY. SO FAR NO INJURIES HAVE BEEN REPORTED. SUMMERVILLE IS IN THE EXTREME NORTHWEST PART OF GEORGIA IN CHATTOOGA COUNTY.
Special weather statement, Jul 27, 4:18 PM EDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GEORGIA 415 PM EDT SUN JUL 27 1986 THE THUNDERSTORM IN HALL COUNTY HAS DECREASED IN INTENSITY DURING THE PAST HOUR. THUNDERSTORMS CONTINUE TO BUILD ACROSS ALL COUNTIES OF NORTHEAST GEORGIA. SOME OF THESE THUNDERSTORMS WILL BECOME QUITE STRONG DURING THE NEXT SEVERAL HOURS AND PRODUCE STRONG GUSTY SURFACE WINDS..FREQUENT CLOUD TO GROUND LIGHTNING..AND POSSIBLE SMALL HAIL..AND BRIEF HEAVY DOWNPOURS. FLOODING OF LOW LYING AREAS IS POSSIBLE NEAR THE HEAVY DOWNPOURS. PERSONS SHOULD SEEK SHELTER AWAY FROM THE STORMS AS THEY FORM NEAR THEM. BOATERS SHOULD SEEK SAFE SHELTER IF THREATING CONDITIONS ARE SIGHTED. WIND FROM =THESE THUNDERSTORMS CAN QUICKLY CHANGE CALM LAKE SURFACE TO VERY ROUGH WATERS.
Local storm report, Jul 27, 4:47 PM EDT, 2 hours 56 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA GA 445 PM EDT SUN JUL 27 1986 PAULDING COUNTY SHERIFFS OFFICE REPORTED THAT THUNDERSTORM WINDS DOWNED A TREE ONTO A SECONDARY ROAD IN THE NORTHERN PART OTF THE COUNTY. THIS OCCURRED AROUND 435 PM EDT.
Special weather statement, Jul 27, 7:23 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 723 PM EDT SAT JUL 26 1986 AT 720 PM MACON RADAR DETECTED A LONG LINE OF HEAVY TO VERY HEAVY THUNDERSTORMS THAT EXTENDED FROM NORTH OF MILLEDGEVILLE IN BALDWIN AND HANCOCK COUNTIES SOUTHWEST THROUGH GORDON IN WILKINSON COUNTY TO JEFFERSONVILLE IN TWIGGS COUNTY TO PERRY AND HAWKINSVILLE IN SOUTH HOUSTON AND PULASKI COUNTIES. MOST OF THE STORMS WERE MOVING SOUTHWEST SEVEN MILES AN HOUR. THESE THUNDERSTORMS ARE PRODUCING GUSTY WIND AROUND 40 MILES AN HOUR ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING AND BRIEF VERY HEAVY RAIN. STAY ALERT TO THE MOVEMENT OF THESE STORMS AND IF ONE APPROACHES GO TO A SAFE PLACE. THE SLOW MOVING STORMS COULD RAPIDLY FILL DEPRESSIONS AND LOW AREAS..SO AVOID TRAVEL THROUGH LOW AREAS. STAY TUNED TO RADIO FOR MORE INFORMATION AS NEEDED.
Special weather statement, Jul 27, 7:29 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT..CORRECT DATE IN HEADER.. NATIONAL WEATHER SERVICE MACON GA 723 PM EDT SUN JUL 27 1986 AT 720 PM MACON RADAR DETECTED A LONG LINE OF HEAVY TO VERY HEAVY THUNDERSTORMS THAT EXTENDED FROM NORTH OF MILLEDGEVILLE IN BALDWIN AND HANCOCK COUNTIES SOUTHWEST THROUGH GORDON IN WILKINSON COUNTY TO JEFFERSONVILLE IN TWIGGS COUNTY TO PERRY AND HAWKINSVILLE IN SOUTH HOUSTON AND PULASKI COUNTIES. MOST OF THE STORMS WERE MOVING SOUTHWEST SEVEN MILES AN HOUR. THESE THUNDERSTORMS ARE PRODUCING GUSTY WIND AROUND 40 MILES AN HOUR ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING AND BRIEF VERY HEAVY RAIN. STAY ALERT TO THE MOVEMENT OF THESE STORMS AND IF ONE APPROACHES GO TO A SAFE PLACE. THE SLOW MOVING STORMS COULD RAPIDLY FILL DEPRESSIONS AND LOW AREAS..SO AVOID TRAVEL THROUGH LOW AREAS. STAY TUNED TO RADIO FOR MORE INFORMATION AS NEEDED.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 1:13 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 62 min |
| Jul 27, 1:38 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Fulton | 57 min |
| Jul 27, 2:03 PM EDT | Severe Thunderstorm Warning | FFC | Barrow | 57 min |
| Jul 27, 2:19 PM EDT | Severe Thunderstorm Warning | FFC | Rabun | 56 min |
| Jul 27, 3:25 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 50 min |
| Jul 27, 4:10 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 50 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.