Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 50, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 16, 1990, 9:39 AM EST for Heard County, Troup County, Georgia. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Feb 16, 1990, 9:39 AM EST (14:39 UTC)
- Expired
- Feb 16, 1990, 10:45 AM EST
- In force
- 66 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Heard County, GA, Troup County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 2.7 hours before the alert went out and 186 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
- 41 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KATL 161440
SVRATL
GAC149-285-161545-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
939 AM EST FRI FEB 16 1990
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST GEORGIA
...HEARD
IN WEST CENTRAL GEORGIA
...NORTHERN TROUP
AT 935 AM RADAR INDICATED A SEVERE THUNDERSTORM NEAR ROANOKE, ALABAMA
MOVING EASTNORTHEAST AT 45 MPH. THIS STORM WILL ENTER HEARD AND NORTH
TROUP COUNTY.
THIS STORM HAS BEEN ACCOMPANIED BY WIND DAMAGE IN ALABAMA.
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 CHANGING WEATHER CONDITIONS.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 12:16 AM EST | Flash Flood Warning | FFC | Chattooga, Floyd | 3 hr |
| Feb 16, 12:52 AM EST | Flash Flood Warning | FFC | Bartow, Gilmer, Gordon, Pickens | 3 hr |
| Feb 16, 12:52 AM EST | Flash Flood Warning | FFC | Fannin, Murray | 3 hr |
| Feb 16, 1:22 AM EST | Severe Thunderstorm Warning | FFC | Floyd, Polk | 53 min |
| Feb 16, 1:23 AM EST | Flash Flood Warning | FFC | Dade, Walker | 3 hr |
| Feb 16, 1:23 AM EST | Flash Flood Warning | FFC | Catoosa, Whitfield | 3 hr |
| Feb 16, 3:08 AM EST | Flash Flood Warning | FFC | Chattooga, Floyd | 3 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Polk | 4 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Fannin | 4 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Bartow, Gilmer, Gordon, Murray, Pickens | 4 hr |
| Feb 16, 4:39 AM EST | Flash Flood Warning | FFC | Catoosa, Walker, Whitfield | 3 hr |
| Feb 16, 4:39 AM EST | Flash Flood Warning | FFC | Dade | 3 hr |
| Feb 16, 5:58 AM EST | Severe Thunderstorm Warning | FFC | Cobb, Douglas, Fulton | 47 min |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Fannin, Gilmer, Murray | 6 hr |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Bartow, Floyd, Gordon, Pickens, Polk | 6 hr |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Chattooga | 6 hr |
| Feb 16, 6:58 AM EST | Severe Thunderstorm Warning | FFC | Hall | 62 min |
| Feb 16, 7:03 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett | 27 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Newton, Walton | 55 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Banks, Barrow, Jackson | 55 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Habersham | 55 min |
| Feb 16, 8:55 AM EST | Severe Thunderstorm Warning | FFC | Rockdale | 35 min |
| Feb 16, 10:04 AM EST | Severe Thunderstorm Warning | FFC | Coweta | 41 min |
| Feb 16, 10:43 AM EST | Flash Flood Warning | FFC | Cobb, DeKalb, Fulton | 4 hr |
| Feb 16, 12:38 PM EST | Severe Thunderstorm Warning | FFC | Houston | 37 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; the sounding from the Mesonet's radiosonde archive.