Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 87, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 10, 1990, 7:06 PM EDT for 4 counties in Georgia. It was in force for 69 min. 4 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
- Apr 10, 1990, 7:06 PM EDT (23:06 UTC)
- Expired
- Apr 10, 1990, 8:15 PM EDT
- In force
- 69 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Greene County, GA, Morgan County, GA, Newton County, GA, Walton 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 |
|---|---|---|---|
| Apr 10, 7:16 PM EDT | Thunderstorm Wind 0 | Newton, GA | |
| Apr 10, 7:25 PM EDT | Thunderstorm Wind 0 | Walton, GA | |
| Apr 10, 7:30 PM EDT | Thunderstorm Wind 0 | Morgan, GA | |
| Apr 10, 8:06 PM EDT | Thunderstorm Wind 0 | Greene, 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, 11.1 hours before the alert went out and 43 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
- 26 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 268 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 KAHN 102306 SVRAHN GAC013-059-133-211-217-219-221-297-110015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 706 PM EDT TUE APR 10 1990 THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...BARROW COUNTY...CLARKE COUNTY...GREENE COUNTY...MORGAN COUNTY ...NEWTON COUNTY...OCONEE COUNTY...OGLETHORPE COUNTY...WALTON COUNT AT 655 PM EDT RADAR INDICATED A LINE OF POSSIBLE SEVERE THUNDERSTORMS FROM JUST EAST OF LAWRENCEVILLE SOUTH TO CONYERS GEORGIA AND WAS MOVING EAST AT 45 MILES AN HOUR. REPORTS OF HAIL HAVE BEEN REPORTED IN GWINNETT COUNTY DURING THE PAST HOUR. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHWANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:23 PM EDT | Severe Thunderstorm Warning | FFC | Haralson, Polk | 52 min |
| Apr 10, 4:34 PM EDT | Severe Thunderstorm Warning | FFC | Gordon | 41 min |
| Apr 10, 4:48 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Floyd | 42 min |
| Apr 10, 4:48 PM EDT | Severe Thunderstorm Warning | FFC | Paulding | 42 min |
| Apr 10, 4:51 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 54 min |
| Apr 10, 5:13 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer | 47 min |
| Apr 10, 5:24 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Douglas, Paulding | 66 min |
| Apr 10, 5:47 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 58 min |
| Apr 10, 6:05 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, DeKalb | 55 min |
| Apr 10, 6:30 PM EDT | Tornado Warning | FFC | DeKalb | 30 min |
| Apr 10, 6:33 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett, Henry, Rockdale | 57 min |
| Apr 10, 6:41 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 49 min |
| Apr 10, 6:55 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 35 min |
| Apr 10, 7:06 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Clarke, Oconee, Oglethorpe | 69 min |
| Apr 10, 7:17 PM EDT | Severe Thunderstorm Warning | FFC | Houston | 58 min |
| Apr 10, 7:26 PM EDT | Tornado Warning | FFC | Houston | 64 min |
| Apr 10, 7:38 PM EDT | Severe Thunderstorm Warning | FFC | Crawford, Monroe | 67 min |
| Apr 10, 7:38 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Putnam | 67 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.