Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 25, 1990, 9:20 AM EST for Morgan County, Newton County, Walton 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
- Jan 25, 1990, 9:20 AM EST (14:20 UTC)
- Expired
- Jan 25, 1990, 10:15 AM EST
- In force
- 55 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties 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 |
|---|---|---|---|
| Jan 25, 10:00 AM EST | Thunderstorm Wind 0 | Newton, GA | |
| Jan 25, 10:00 AM EST | Thunderstorm Wind 0 | Walton, GA | |
| Jan 25, 10:15 AM EST | Thunderstorm Wind 0 | Morgan, 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, 2.3 hours before the alert went out and 50 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
- 547 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 216 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 251422
SVRAHN
GAC211-217-297-251515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
920 AM EST THU JAN 25 1990
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHEAST GEORGIA
...MORGAN...NEWTON...WALTON
AT 915 AM EST THE ATHENS RADAR INDICATED A SEVERE THUNDERSTORM NEAR
CONYERS IN ROCKDALE COUNTY. THIS THUNDERSTORM WAS MOVING NORTHEAST
AT 45 MILES AN HOUR. PERSONS IN THE TOWNS OF COVINGTON...SOCIAL
CIRCLE...AND MONROE GEORGIA SHOULD KEEP ALERT FOR THIS THUNDRSTORM
DURING THE NEXT HOUR OR SO.
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.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 8:55 AM EST | Severe Thunderstorm Warning | FFC | Meriwether, Pike, Spalding | 40 min |
| Jan 25, 9:52 AM EST | Severe Thunderstorm Warning | FFC | Clarke, Jackson, Oconee | 68 min |
| Jan 25, 9:52 AM EST | Severe Thunderstorm Warning | FFC | Morgan | 68 min |
| Jan 25, 10:01 AM EST | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Monroe | 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.