Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 405, NWS Atlanta, GA

May 7, 1998Oglethorpe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1998, 11:39 AM EDT for Oglethorpe County, Georgia. It was in force for 36 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
May 7, 1998, 11:39 AM EDT (15:39 UTC)
Expired
May 7, 1998, 12:15 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Oglethorpe County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 11:30 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.7 hours before the alert went out and 143 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 1998-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 650 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1998-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897Sfc1 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
650 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
-3.5

Open this sounding in Storm Lab

The text

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

590 
WUUS1 KATL 071539 RRA
SVRATL
GAC221-071615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1139 AM EDT THU MAY 7 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OGLETHORPE COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 1215 PM EDT

* AT 1138 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  8 MILES SOUTHWEST OF VESTA MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   VESTA                       AROUND 1145 AM EDT



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 DO NOT 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.


VW/MSS

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:49 AM EDTSevere Thunderstorm WarningFFCDawson, Forsyth36 min
May 7, 9:00 AM EDTSevere Thunderstorm WarningFFCPolk35 min
May 7, 9:08 AM EDTSevere Thunderstorm WarningFFCLumpkin32 min
May 7, 9:25 AM EDTSevere Thunderstorm WarningFFCCarroll35 min
May 7, 9:36 AM EDTSevere Thunderstorm WarningFFCDouglas34 min
May 7, 9:54 AM EDTSevere Thunderstorm WarningFFCFulton36 min
May 7, 9:59 AM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon36 min
May 7, 10:14 AM EDTSevere Thunderstorm WarningFFCCherokee, Pickens36 min
May 7, 10:30 AM EDTSevere Thunderstorm WarningFFCDeKalb, Rockdale50 min
May 7, 10:41 AM EDTSevere Thunderstorm WarningFFCCherokee, Dawson, Forsyth34 min
May 7, 11:04 AM EDTSevere Thunderstorm WarningFFCClarke, Jackson31 min
May 7, 11:06 AM EDTSevere Thunderstorm WarningFFCMadison, Oglethorpe34 min
May 7, 11:27 AM EDTSevere Thunderstorm WarningFFCGreene, Morgan33 min
May 7, 12:02 PM EDTSevere Thunderstorm WarningFFCWilkes18 min
May 7, 12:40 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
May 7, 3:23 PM EDTTornado WarningFFCFannin32 min
May 7, 3:34 PM EDTTornado WarningFFCUnion36 min
May 7, 3:48 PM EDTSevere Thunderstorm WarningFFCTowns32 min
May 7, 4:02 PM EDTTornado WarningFFCTowns33 min
May 7, 4:31 PM EDTSevere Thunderstorm WarningFFCHall49 min
May 7, 4:55 PM EDTSevere Thunderstorm WarningFFCBanks50 min
May 7, 5:23 PM EDTSevere Thunderstorm WarningFFCBartow32 min
May 7, 5:36 PM EDTSevere Thunderstorm WarningFFCDawson, Gilmer, Lumpkin34 min
May 7, 5:46 PM EDTSevere Thunderstorm WarningFFCDade, Walker49 min
May 7, 5:50 PM EDTSevere Thunderstorm WarningFFCCherokee35 min
May 7, 6:05 PM EDTTornado WarningFFCDade20 min
May 7, 6:08 PM EDTSevere Thunderstorm WarningFFCOglethorpe47 min
May 7, 6:09 PM EDTTornado WarningFFCCherokee, Forsyth36 min
May 7, 6:10 PM EDTSevere Thunderstorm WarningFFCLumpkin35 min
May 7, 6:16 PM EDTTornado WarningFFCLumpkin34 min
May 7, 6:19 PM EDTTornado WarningFFCWalker36 min
May 7, 6:22 PM EDTTornado WarningFFCHall33 min
May 7, 6:26 PM EDTSevere Thunderstorm WarningFFCWilkes49 min
May 7, 6:32 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield33 min
May 7, 6:41 PM EDTTornado WarningFFCBanks, Jackson34 min
May 7, 6:44 PM EDTSevere Thunderstorm WarningFFCTowns36 min
May 7, 6:49 PM EDTSevere Thunderstorm WarningFFCBarrow36 min
May 7, 6:51 PM EDTTornado WarningFFCBarrow, Gwinnett34 min
May 7, 6:58 PM EDTTornado WarningFFCGordon32 min
May 7, 7:09 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee51 min
May 7, 7:12 PM EDTTornado WarningFFCMurray33 min
May 7, 7:14 PM EDTTornado WarningFFCChattooga36 min
May 7, 7:22 PM EDTTornado WarningFFCPickens33 min
May 7, 7:25 PM EDTTornado WarningFFCClarke, Oconee35 min
May 7, 7:36 PM EDTTornado WarningFFCFloyd34 min
May 7, 7:43 PM EDTTornado WarningFFCCherokee32 min
May 7, 7:44 PM EDTSevere Thunderstorm WarningFFCOglethorpe51 min
May 7, 7:51 PM EDTTornado WarningFFCDawson, Forsyth34 min
May 7, 7:59 PM EDTTornado WarningFFCOglethorpe36 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.