Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 421, NWS Atlanta, GA

May 7, 1998Clarke County, Madison County, Oconee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1998, 7:09 PM EDT for Clarke County, Madison County, Oconee County, Georgia. It was in force for 51 min. 2 reports 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, 7:09 PM EDT (23:09 UTC)
Expired: May 7, 1998, 8:00 PM EDT
In force: 51 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Clarke County, GA, Madison County, GA, Oconee County, GA

What was reported inside it

Time	Report	Where	Remark
May 7, 7:15 PM EDT	Hail 1.75	Athens, GA
May 7, 7:32 PM EDT	Hail 1.75	Athens, GA	The public reported dime to golf ball size hail.

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 watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 2:30 PM EDT	Tornado Watch	SPC	7 hr
May 7, 5:00 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 127 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.

276 
WUUS1 KATL 072308 RRA
SVRATL
GAC059-195-219-080000-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARKE COUNTY IN NORTHEASTERN GEORGIA
  MADISON COUNTY IN NORTHEASTERN GEORGIA
  OCONEE COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 800 PM EDT

* AT 707 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  14 MILES NORTHWEST OF ATHENS MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   ATHENS                      AROUND 725 PM EDT
   WATKINSVILLE                AROUND 725 PM EDT
   DANIELSVILLE                AROUND 735 PM EDT
   WINTERVILLE                 AROUND 735 PM EDT
   CARLTON                     AROUND 750 PM EDT



A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR 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. 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.

KDF/TSM/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, 11:06 AM EDT	Severe Thunderstorm Warning	FFC	Madison, Oglethorpe	34 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, 7:12 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.