Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 75, NWS Atlanta, GA

April 10, 1990Gordon County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 10, 1990, 4:34 PM EDT for Gordon County, Georgia. It was in force for 41 min.

The area

The counties it named.

The facts

Issued: Apr 10, 1990, 4:34 PM EDT (20:34 UTC)
Expired: Apr 10, 1990, 5:15 PM EDT
In force: 41 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Gordon 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, 8.6 hours before the alert went out and 157 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KATL 102036
SVRATL
GAC129-102115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
434 PM EDT TUE APR 10 1990
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST GEORGIA
          ...GORDON
 
AT 435 PM A SEVERE THUNDERSTORM WAS DETECTED NEAR ROME MOVING
NORTHEAST AT 60 MPH. THIS IS A DANGEROUS STORM.
 
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 CONDITIONSw.

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, 4:48 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, 7:06 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan, Newton, Walton	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, 1990 Every 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.