Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 928, NWS Atlanta, GA

August 18, 1998Crawford County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 18, 1998, 3:07 PM EDT for Crawford County, Georgia. It was in force for 33 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: Aug 18, 1998, 3:07 PM EDT (19:07 UTC)
Expired: Aug 18, 1998, 3:40 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Crawford County, GA

What was reported inside it

Time	Report	Where	Remark
Aug 18, 3:40 PM EDT	Hail 0.88	Roberta, 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, 7.1 hours before the alert went out and 87 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: 1334 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 989 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

304 
WUUS1 KATL 181908 RRA
SVRATL
GAC079-181940-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
307 PM EDT TUE AUG 18 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN CENTRAL GEORGIA

* UNTIL 340 PM EDT

* AT 304 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR 4 MILES WEST OF ROBERTA MOVING SOUTHEAST AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   ROBERTA                     AROUND 330 PM EDT
   KNOXVILLE                   AROUND 335 PM EDT

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE
AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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.

WRS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 2:11 PM EDT	Severe Thunderstorm Warning	FFC	Spalding	34 min
Aug 18, 2:23 PM EDT	Severe Thunderstorm Warning	FFC	Butts	32 min
Aug 18, 2:38 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	32 min
Aug 18, 3:02 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	33 min
Aug 18, 3:11 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	34 min
Aug 18, 3:27 PM EDT	Severe Thunderstorm Warning	FFC	Putnam	33 min
Aug 18, 3:31 PM EDT	Severe Thunderstorm Warning	FFC	Jones	34 min
Aug 18, 3:54 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	36 min
Aug 18, 3:59 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin	36 min
Aug 18, 4:05 PM EDT	Severe Thunderstorm Warning	FFC	Peach	20 min
Aug 18, 4:07 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	33 min
Aug 18, 4:11 PM EDT	Severe Thunderstorm Warning	FFC	Jones	34 min
Aug 18, 4:22 PM EDT	Severe Thunderstorm Warning	FFC	Greene	33 min
Aug 18, 4:50 PM EDT	Flash Flood Warning	FFC	Greene	90 min
Aug 18, 4:52 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	33 min
Aug 18, 5:26 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Washington	34 min
Aug 18, 5:28 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	22 min
Aug 18, 6:10 PM EDT	Severe Thunderstorm Warning	FFC	Telfair, Wilcox	35 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.