Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 403, NWS Atlanta, GA

May 7, 1998Madison County, Oglethorpe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1998, 11:06 AM EDT for Madison County, Oglethorpe County, Georgia. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 7, 1998, 11:06 AM EDT (15:06 UTC)
Expired: May 7, 1998, 11:40 AM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Madison County, GA, Oglethorpe County, GA

The radar

The Greer radar (KGSP), 129 km from the middle of the area, began a volume at 15:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 7, 11:35 AM EDT	Hail 0.75	Lexington, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.1 hours before the alert went out and 144 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: 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.

000 
TTAA00 KATL 071506 RRA
SVRATL
GAC195-221-071540-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1106 AM EDT THU MAY 7 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 1140 AM EDT

* AT 1105 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  8 MILES SOUTHWEST OF DIAMOND HILL MOVING EAST AT 45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   DIAMOND HILL                AROUND 1110 AM EDT
   ARNOLDSVILLE                AROUND 1110 AM EDT
   DANIELSVILLE                AROUND 1115 AM EDT
   LEXINGTON                   AROUND 1120 AM EDT
   CARLTON                     AROUND 1130 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.

KWM/MSS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 8:49 AM EDT	Severe Thunderstorm Warning	FFC	Dawson, Forsyth	36 min
May 7, 9:00 AM EDT	Severe Thunderstorm Warning	FFC	Polk	35 min
May 7, 9:08 AM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	32 min
May 7, 9:25 AM EDT	Severe Thunderstorm Warning	FFC	Carroll	35 min
May 7, 9:36 AM EDT	Severe Thunderstorm Warning	FFC	Douglas	34 min
May 7, 9:54 AM EDT	Severe Thunderstorm Warning	FFC	Fulton	36 min
May 7, 9:59 AM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	36 min
May 7, 10:14 AM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Pickens	36 min
May 7, 10:30 AM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Rockdale	50 min
May 7, 10:41 AM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Dawson, Forsyth	34 min
May 7, 11:04 AM EDT	Severe Thunderstorm Warning	FFC	Clarke, Jackson	31 min
May 7, 11:27 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan	33 min
May 7, 11:39 AM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe	36 min
May 7, 12:02 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	18 min
May 7, 12:40 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	35 min
May 7, 3:23 PM EDT	Tornado Warning	FFC	Fannin	32 min
May 7, 3:34 PM EDT	Tornado Warning	FFC	Union	36 min
May 7, 3:48 PM EDT	Severe Thunderstorm Warning	FFC	Towns	32 min
May 7, 4:02 PM EDT	Tornado Warning	FFC	Towns	33 min
May 7, 4:31 PM EDT	Severe Thunderstorm Warning	FFC	Hall	49 min
May 7, 4:55 PM EDT	Severe Thunderstorm Warning	FFC	Banks	50 min
May 7, 5:23 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	32 min
May 7, 5:36 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Gilmer, Lumpkin	34 min
May 7, 5:46 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	49 min
May 7, 5:50 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee	35 min
May 7, 6:05 PM EDT	Tornado Warning	FFC	Dade	20 min
May 7, 6:08 PM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe	47 min
May 7, 6:09 PM EDT	Tornado Warning	FFC	Cherokee, Forsyth	36 min
May 7, 6:10 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	35 min
May 7, 6:16 PM EDT	Tornado Warning	FFC	Lumpkin	34 min
May 7, 6:19 PM EDT	Tornado Warning	FFC	Walker	36 min
May 7, 6:22 PM EDT	Tornado Warning	FFC	Hall	33 min
May 7, 6:26 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	49 min
May 7, 6:32 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Whitfield	33 min
May 7, 6:41 PM EDT	Tornado Warning	FFC	Banks, Jackson	34 min
May 7, 6:44 PM EDT	Severe Thunderstorm Warning	FFC	Towns	36 min
May 7, 6:49 PM EDT	Severe Thunderstorm Warning	FFC	Barrow	36 min
May 7, 6:51 PM EDT	Tornado Warning	FFC	Barrow, Gwinnett	34 min
May 7, 6:58 PM EDT	Tornado Warning	FFC	Gordon	32 min
May 7, 7:09 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Madison, Oconee	51 min
May 7, 7:12 PM EDT	Tornado Warning	FFC	Murray	33 min
May 7, 7:14 PM EDT	Tornado Warning	FFC	Chattooga	36 min
May 7, 7:22 PM EDT	Tornado Warning	FFC	Pickens	33 min
May 7, 7:25 PM EDT	Tornado Warning	FFC	Clarke, Oconee	35 min
May 7, 7:36 PM EDT	Tornado Warning	FFC	Floyd	34 min
May 7, 7:43 PM EDT	Tornado Warning	FFC	Cherokee	32 min
May 7, 7:44 PM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe	51 min
May 7, 7:51 PM EDT	Tornado Warning	FFC	Dawson, Forsyth	34 min
May 7, 7:59 PM EDT	Tornado Warning	FFC	Oglethorpe	36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.