Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 98, NWS Atlanta, GA

April 28, 1990Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 1990, 1:43 PM EDT for Fulton County, Georgia. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Apr 28, 1990, 1:43 PM EDT (17:43 UTC)
Expired
Apr 28, 1990, 2:30 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Fulton 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, 5.7 hours before the alert went out and 109 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-pSkew-T log-p diagram, Athens Municipal, GA at 12:00Z on 1990-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1990-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
5 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
133 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 281749
SVRATL
GAC121-281830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
143 PM EDT SAT APR 28 1990
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...NORTHERN FULTON COUNTY
 
AT 149 PM A SEVERE THUNDERSTORM WAS SHOWN IN NORTH ATLANTA MOVING
NORTHEAST AT 30 MPH.
 
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.

IssuedProductOfficeCountiesLasted
Apr 28, 1:04 PM EDTSevere Thunderstorm WarningFFCCarroll41 min
Apr 28, 1:32 PM EDTSevere Thunderstorm WarningFFCDouglas, Paulding43 min
Apr 28, 1:35 PM EDTSevere Thunderstorm WarningFFCGordon, Murray40 min
Apr 28, 1:50 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer40 min
Apr 28, 1:52 PM EDTSevere Thunderstorm WarningFFCCherokee53 min
Apr 28, 2:07 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette53 min
Apr 28, 2:09 PM EDTSevere Thunderstorm WarningFFCCoweta51 min
Apr 28, 2:13 PM EDTSevere Thunderstorm WarningFFCTroup47 min
Apr 28, 2:32 PM EDTSevere Thunderstorm WarningFFCClayton, Fulton43 min
Apr 28, 2:36 PM EDTSevere Thunderstorm WarningFFCMeriwether54 min
Apr 28, 2:38 PM EDTSevere Thunderstorm WarningFFCDawson, Lumpkin67 min
Apr 28, 2:38 PM EDTSevere Thunderstorm WarningFFCUnion67 min
Apr 28, 2:47 PM EDTSevere Thunderstorm WarningFFCForsyth, Fulton43 min
Apr 28, 2:53 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett52 min
Apr 28, 3:01 PM EDTSevere Thunderstorm WarningFFCTowns, White59 min
Apr 28, 3:01 PM EDTSevere Thunderstorm WarningFFCHall59 min
Apr 28, 3:08 PM EDTSevere Thunderstorm WarningFFCClayton, Henry, Spalding52 min
Apr 28, 3:08 PM EDTSevere Thunderstorm WarningFFCFayette52 min
Apr 28, 3:12 PM EDTSevere Thunderstorm WarningFFCBarrow, Clarke, Jackson, Oconee, Walton63 min
Apr 28, 3:24 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Peach66 min
Apr 28, 3:29 PM EDTSevere Thunderstorm WarningFFCBanks, Madison, Oglethorpe61 min
Apr 28, 3:29 PM EDTSevere Thunderstorm WarningFFCMorgan61 min
Apr 28, 3:29 PM EDTSevere Thunderstorm WarningFFCHabersham61 min
Apr 28, 3:36 PM EDTSevere Thunderstorm WarningFFCPike54 min
Apr 28, 4:00 PM EDTSevere Thunderstorm WarningFFCLamar, Upson45 min
Apr 28, 4:00 PM EDTTornado WarningFFCMadison60 min
Apr 28, 4:04 PM EDTSevere Thunderstorm WarningFFCTwiggs41 min
Apr 28, 4:11 PM EDTSevere Thunderstorm WarningFFCFranklin, Stephens2 hr
Apr 28, 4:11 PM EDTSevere Thunderstorm WarningFFCElbert, Hart2 hr
Apr 28, 4:19 PM EDTSevere Thunderstorm WarningFFCMonroe41 min
Apr 28, 4:30 PM EDTSevere Thunderstorm WarningFFCWilkinson45 min
Apr 28, 4:43 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee, Oglethorpe62 min
Apr 28, 5:00 PM EDTSevere Thunderstorm WarningFFCWashington60 min
Apr 28, 5:16 PM EDTSevere Thunderstorm WarningFFCHouston44 min
Apr 28, 5:38 PM EDTSevere Thunderstorm WarningFFCTwiggs, Wilkinson67 min
Apr 28, 5:39 PM EDTTornado WarningFFCWashington36 min
Apr 28, 5:49 PM EDTSevere Thunderstorm WarningFFCBleckley41 min
Apr 28, 6:00 PM EDTSevere Thunderstorm WarningFFCPulaski60 min
Apr 28, 6:30 PM EDTSevere Thunderstorm WarningFFCLaurens45 min
Apr 28, 7:05 PM EDTSevere Thunderstorm WarningFFCBurke, Jefferson55 min
Apr 28, 7:13 PM EDTSevere Thunderstorm WarningFFCLaurens62 min
Apr 28, 7:41 PM EDTSevere Thunderstorm WarningFFCTreutlen64 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.