Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 78, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 30, 1990, 12:20 PM EDT for Marion County, Stewart County, Webster County, Georgia. It was in force for 55 min. 3 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
- Aug 30, 1990, 12:20 PM EDT (16:20 UTC)
- Expired
- Aug 30, 1990, 1:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Marion County, GA, Stewart County, GA, Webster 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 |
|---|---|---|---|
| Aug 30, 12:25 PM EDT | Thunderstorm Wind 0 | Marion, GA | |
| Aug 30, 12:50 PM EDT | Hail 0.75 | Marion, GA | |
| Aug 30, 1:25 PM EDT | Thunderstorm Wind 0 | Stewart, 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, 4.3 hours before the alert went out and 235 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
- 407 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1326 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 54 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 KCSG 301634 SVRCSG GAC197-259-307-301715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBUS GA 1220 PM EDT THU AUG 30 1990 THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL GEORGIA ...SOUTHERN MARION COUNTY...EASTERN STEWART COUNTY ...NORTHERN WEBSTER COUNTY COLUMBUS WEATHER RADAR INDICATED A EXTREMELY STRONG THUNDERSTORM LOCATED BETWEEN BROOKLYN AND RICHLAND GEORGIA. THIS STORM WAS MOVING TO THE EAST AT 15 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS 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.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 1:20 PM EDT | Severe Thunderstorm Warning | TAE | Stewart | 55 min |
| Aug 30, 2:00 PM EDT | Severe Thunderstorm Warning | TAE | Dougherty | 60 min |
| Aug 30, 2:23 PM EDT | Severe Thunderstorm Warning | TAE | Early, Miller | 67 min |
| Aug 30, 3:57 PM EDT | Severe Thunderstorm Warning | TAE | Colquitt | 48 min |
| Aug 30, 7:22 PM EDT | Severe Thunderstorm Warning | TAE | Taylor | 53 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.