Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 223, NWS Atlanta, GA

April 17, 1998Houston County, Macon County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 17, 1998, 6:11 PM EDT for Houston County, Macon County, Georgia. It was in force for 34 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 17, 1998, 6:11 PM EDT (22:11 UTC)
Expired
Apr 17, 1998, 6:45 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Houston County, GA, Macon County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 123 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 1998-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1255 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 1998-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.1939587897117Sfc1 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
1255 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
1.8
Supercell composite
6.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 10:47 PM EDTSevere Thunderstorm WarningFFCDade33 min
Apr 16, 11:03 PM EDTSevere Thunderstorm WarningFFCCatoosa, Walker32 min
Apr 16, 11:20 PM EDTTornado WarningFFCCatoosa, Walker35 min
Apr 16, 11:33 PM EDTTornado WarningFFCChattooga, Floyd32 min
Apr 16, 11:57 PM EDTTornado WarningFFCFloyd18 min
Apr 17, 12:13 AM EDTTornado WarningFFCBartow47 min
Apr 17, 12:41 AM EDTTornado WarningFFCCherokee, Pickens49 min
Apr 17, 12:53 AM EDTSevere Thunderstorm WarningFFCFannin, Union32 min
Apr 17, 1:04 AM EDTTornado WarningFFCDawson, Lumpkin51 min
Apr 17, 1:24 AM EDTSevere Thunderstorm WarningFFCGordon, Pickens46 min
Apr 17, 1:32 AM EDTSevere Thunderstorm WarningFFCHall33 min
Apr 17, 1:54 AM EDTSevere Thunderstorm WarningFFCDawson, Lumpkin31 min
Apr 17, 2:07 AM EDTSevere Thunderstorm WarningFFCHall, White48 min
Apr 17, 3:02 AM EDTTornado WarningFFCCherokee, Pickens33 min
Apr 17, 3:22 AM EDTFlash Flood WarningFFCLumpkin, White4 hr
Apr 17, 3:22 AM EDTFlash Flood WarningFFCDawson4 hr
Apr 17, 5:16 AM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth34 min
Apr 17, 7:25 AM EDTSevere Thunderstorm WarningFFCMarion, Schley35 min
Apr 17, 7:49 AM EDTSevere Thunderstorm WarningFFCMacon36 min
Apr 17, 7:59 AM EDTSevere Thunderstorm WarningFFCSchley21 min
Apr 17, 8:20 AM EDTSevere Thunderstorm WarningFFCHouston, Peach35 min
Apr 17, 8:34 AM EDTSevere Thunderstorm WarningFFCBleckley, Twiggs36 min
Apr 17, 8:47 AM EDTSevere Thunderstorm WarningFFCWilkinson33 min
Apr 17, 4:23 PM EDTSevere Thunderstorm WarningFFCMarion32 min
Apr 17, 5:16 PM EDTSevere Thunderstorm WarningFFCBibb, Jones34 min
Apr 17, 5:22 PM EDTSevere Thunderstorm WarningFFCMacon, Marion, Schley48 min
Apr 17, 6:17 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford33 min
Apr 17, 6:24 PM EDTSevere Thunderstorm WarningFFCSchley36 min
Apr 17, 6:55 PM EDTSevere Thunderstorm WarningFFCBibb, Twiggs45 min
Apr 17, 7:05 PM EDTSevere Thunderstorm WarningFFCWilkinson35 min
Apr 17, 7:36 PM EDTSevere Thunderstorm WarningFFCWashington49 min
Apr 17, 7:42 PM EDTSevere Thunderstorm WarningFFCWilkinson18 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.