Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 234, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 12, 1990, 6:44 PM EDT for Laurens County, Georgia. It was in force for 46 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
- Jul 12, 1990, 6:44 PM EDT (22:44 UTC)
- Expired
- Jul 12, 1990, 7:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Laurens 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 12, 7:15 PM EDT | Thunderstorm Wind 0 | Laurens, 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, 10.7 hours before the alert went out and 169 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
- 58 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1199 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -24 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 122246 RRA
SVRMCN
GAC175-122330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
644 PM EDT THU JUL 12 1990
THE NATIONAL WEATHER SERVICE IN MACON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL GEORGIA
...LAURENS
AT 640 PM EDT TWO LARGE SEVERE THUNDERSTORMS WERE IN CENTRAL TO SOUTH
LAURENS COUNTY FROM 8 MILE SOUTHEAST OF DUBLIN TO 25 MILES SOUTHWEST
OF DUBLIN. THEY WERE MOVING NORTHEAST 20 MILES AN HOUR AND SHOULD BOTH
SKIRT BY THE EAST EDGE OF DUBLIN BEFORE LOSING INTENSITY.
THESE ARE DANGEROUS STORMS. IF YOU ARE IN THEIR PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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 12, 3:34 PM EDT, 3 hours 10 minutes before
GAZ002-004-122125- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 325 PM EDT THU JUL 12 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH NUMBER 618 VALID UNTIL 930 PM EDT THIS THURSDAY EVENING. THIS WATCH IN GEORGIA MAINLY EAST OF A LINE FROM HARTWELL TO ATHENS TO MONROE. SHOWERS AND THUNDERSTORMS CONTINUED OVER MUCH OF THE NORTH THIRD OF GEORGIA...THE WESTERN CAROLINAS...EAST ALABAMA AND EAST TENNESSEE. SHOWERS WERE WIDELY SCATTERED OVER SOUTH GEORGIA AND THUNDERSTORMS WERE ISOLATED. HEAVIEST RAINFALL IN GEORGIA WAS JUST SOUTH OF CHATTANOOGA TENNESSEE AND NORTH TO NORTHEAST OF ATLANTA. MOVEMENT NORTHEAST 30 MILES AN HOUR.
Special weather statement, Jul 12, 4:41 PM EDT, 2 hours 3 minutes before
GAZ002-004-122145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 439 PM EDT THU JUL 12 1990 THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF NORTHEAST GEORGIA HAS NOW BEEN LIFTED FOR NORTHEAST GEORGIA. THIS MEANS THAT HARTWELL, ATHENS, AND MONORE AND AREAS OF NORTHEAST GEORGIA EAST OF THOSE CITIES ARE NO LONGER IN THE WATCH AREA.
Special weather statement, Jul 12, 6:29 PM EDT, 15 minutes before
GAZ006-008-009-121900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 629 PM EDT THU JUL 12 1990 AT 625PM RADAR AND VISUAL OBSERVATION SHOWED A LINE OF THUNDERSTORMS EXTENDING FROM 35 MILES EAST OF MACON TO JUST 5 MILES SOUTH OF MACON TO 40 MILES WEST OF BYRON. THE LINE OF STORMS WAS MOVING NORTH 10 MILES AN HOUR WITH SOME STORMS MOVING NORTHEAST 25 MILES AN HOUR. THESE STORMS WILL GIVE BRIEF VERY HEAVY RAIN AND STRONG GUSTY WINDS OVER 40 MILES AN HOUR ALONG WITH FREQUENT SPIKES OF CLOUD TO GROUND LIGHTNING. ALL SHOULD POSTPONE OUTDOOR ACTIVITY UNTIL THESE STORMS PASS THROUGH IN AN HOUR TO TWO HOURS. IT APPEARS THE STORMS WILL HOLD THEIR INTENSITY AT LEAST UNTIL THEY PASS THROUGH GRAY AND MILLEDGEVILLE IN ANOTHER HOUR.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:31 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa | 59 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm warning in 1990
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.