Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 343, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 8, 1990, 6:54 PM EDT for Spalding County, Georgia. It was in force for 36 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
- Sep 8, 1990, 6:54 PM EDT (22:54 UTC)
- Expired
- Sep 8, 1990, 7:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Spalding 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 |
|---|---|---|---|
| Sep 8, 7:15 PM EDT | Thunderstorm Wind 0 | Spalding, 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, 10.9 hours before the alert went out and 119 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 8 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 082254 SVRATL GAC255-082330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 654 PM EDT SAT SEP 8 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...SPALDING COUNTY AT 650 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM NEAR GRIFFIN. THIS STORM WAS DRIFTING SLOWLY NORTH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HA S PASSED.
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, Sep 8, 3:51 PM EDT, 3 hours 3 minutes before
GAZ002-004-082130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 350 PM EDT SAT SEP 8 1990 RADAR SHOWS A RAPID INCREASE OF THUNDERSTORMS ACROSS NORTHEAST GEORGIA...ESPECIALLY OVER THE SOUTHERN SECTION OF NORTHEAST GEORGIA. THESE THUNDERSTORMS WILL CONTINUED TO INCREASE IN AREAL COVERAGE AND INTENSITY FOR THE NEXT SEVERAL HOURS. PEOPLE IN NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY RAIN... STRONG GUSTY SURFACE WINDS...FRMEQUENT CLOUD TO GROUND LIGHTNING... SMALL HAIL AND FLOODING OF LOW LYING AREAS AND ROADWAYS. BOATERS ON AREA LAKES AND OTHERS INVOLVED IN OUTDOOR ACTIVITES SHOULD KEEP A CAREFUL WATCH AND SEEK SAFE HARBOR OR SHELTER WELL AHEAD OF THESE STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 4:46 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 24 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.