Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 79, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 30, 1990, 1:20 PM EDT for Stewart 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, 1:20 PM EDT (17:20 UTC)
- Expired
- Aug 30, 1990, 2:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Stewart 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, 1:25 PM EDT | Thunderstorm Wind 0 | Stewart, GA | |
| Aug 30, 1:45 PM EDT | Hail 0.75 | Stewart, GA | |
| Aug 30, 2:15 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 5.3 hours before the alert went out and 240 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
- 2253 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1256 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 13 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 301721 SVRCSG GAC259-301815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBUS GA 120 PM EDT THU AUG 30 1990 THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL GEORGIA ...STEWART COUNTY COLUMBUS WEATHER RADAR INDICATED A STRONG THUNDERSTORM LOCATED NEAR CHARLES GEORGIA JUST TO NORTHWEST OF LUMPKIN GEORGIA. THIS STORM WAS MOVING TO THE EAST AT 15 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM[ ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Aug 30, 1:01 PM EDT, 19 minutes before
FLZ003-005-006-007-GAZ011-012-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 100 PM EDT(NOON CDT) THU AUG 30 1990 AT 100 PM EDT NATIONAL WEATHER RADAR SHOWED AN ISOLATED THUNDERSTORM MOVING INTO WESTERN JACKSON COUNTY. THIS THUNDERSTORMWAS WAS MOVING EAST AT 20 MILES AN HOUR AND WILL BE MOVING ACROSS CENTRAL AND NORTHERN JACKSON COUNTY DURING THE NEXT HOUR. THIS THUNDERSTORM WILL LIKELY PRODUCE VERY HEAVY RAIN...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL AS IT MOVES THROUGH THE AREA DURING THE NEXT HOUR. ALTHOUGH THIS IS AN ISOLATED THUNDERSTORM...CONDITIONS ARE FAVORABLE OVER THE REGION FOR THE DEVELOPMENT OF ADDITIONAL THUNDERSTORMS WITH STRONG GUSTY WINDS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR ADDITIONAL STATEMENTS ON THIS WEATHER SITUATION. ADB...30/1700Z
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 12:20 PM EDT | Severe Thunderstorm Warning | TAE | Marion, Stewart, Webster | 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.