Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 121, NWS Atlanta, GA

April 8, 1998Harris County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 8, 1998, 4:59 PM EDT for Harris County, Georgia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 8, 1998, 4:59 PM EDT (20:59 UTC)
Expired
Apr 8, 1998, 5:30 PM EDT
In force
31 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Harris County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 80 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897117136Sfc1 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
348 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

449 
WUUS1 KATL 082102 RRA
SVRATL
GAC145-082130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
459 PM EDT WED APR 8 1998
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL GEORGIA
 
   ...HARRIS COUNTY
 
AT 455 PM NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM IN
EASTERN ALABAMA APPROACHING WESTERN HARRIS COUNTY 10 MILES WEST OF LAKE
HARDING NEAR OPELIKA ALABAMA. THIS STORM WAS MOVING EAST NORTHEAST AT 40
MILES AN HOUR.
 
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
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 6:40 AM EDTSevere Thunderstorm WarningFFCMarion, Webster20 min
Apr 8, 6:51 AM EDTSevere Thunderstorm WarningFFCTaylor24 min
Apr 8, 10:37 AM EDTSevere Thunderstorm WarningFFCCrisp38 min
Apr 8, 2:03 PM EDTSevere Thunderstorm WarningFFCMeriwether, Troup42 min
Apr 8, 3:38 PM EDTSevere Thunderstorm WarningFFCSumter, Webster37 min
Apr 8, 4:09 PM EDTSevere Thunderstorm WarningFFCBarrow, Clarke36 min
Apr 8, 4:49 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox26 min
Apr 8, 5:33 PM EDTSevere Thunderstorm WarningFFCTalbot27 min
Apr 8, 5:39 PM EDTSevere Thunderstorm WarningFFCFloyd, Polk51 min
Apr 8, 5:48 PM EDTSevere Thunderstorm WarningFFCUpson27 min
Apr 8, 6:02 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford43 min
Apr 8, 6:13 PM EDTTornado WarningFFCCrawford17 min
Apr 8, 6:16 PM EDTSevere Thunderstorm WarningFFCBartow29 min
Apr 8, 6:22 PM EDTSevere Thunderstorm WarningFFCGordon53 min
Apr 8, 6:31 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb, Paulding44 min
Apr 8, 6:45 PM EDTSevere Thunderstorm WarningFFCTwiggs, Wilkinson30 min
Apr 8, 6:49 PM EDTSevere Thunderstorm WarningFFCGilmer, Murray26 min
Apr 8, 6:52 PM EDTSevere Thunderstorm WarningFFCForsyth, Fulton38 min
Apr 8, 7:02 PM EDTSevere Thunderstorm WarningFFCCoweta, Troup28 min
Apr 8, 7:13 PM EDTSevere Thunderstorm WarningFFCGwinnett, Hall32 min
Apr 8, 7:22 PM EDTSevere Thunderstorm WarningFFCMeriwether38 min
Apr 8, 7:27 PM EDTSevere Thunderstorm WarningFFCJackson33 min
Apr 8, 7:31 PM EDTSevere Thunderstorm WarningFFCFayette, Spalding29 min
Apr 8, 7:36 PM EDTSevere Thunderstorm WarningFFCTroup39 min
Apr 8, 7:41 PM EDTSevere Thunderstorm WarningFFCClayton, Henry34 min
Apr 8, 7:52 PM EDTTornado WarningFFCTroup23 min
Apr 8, 7:54 PM EDTSevere Thunderstorm WarningFFCBanks, Madison36 min
Apr 8, 7:59 PM EDTSevere Thunderstorm WarningFFCDeKalb, Rockdale31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998

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.