Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 359, NWS Atlanta, GA

June 29, 1999Washington County, Wilkinson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 29, 1999, 2:28 PM EDT for Washington County, Wilkinson County, Georgia. It was in force for 47 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
Jun 29, 1999, 2:28 PM EDT (18:28 UTC)
Expired
Jun 29, 1999, 3:15 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Washington County, GA, Wilkinson County, GA

What was reported inside it

TimeReportWhereRemark
Jun 29, 2:30 PM EDTThunderstorm WindDeepstep, GAWashington county 911 reported trees down in Deepstep and Sandersville.

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, 6.5 hours before the alert went out and 151 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 1999-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 621 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 1999-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 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
621 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
6 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.

000 
TTAA00 KATL 291830 RRA
SVRATL
GAC125-163-303-319-291915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
228 PM EDT TUE JUN 29 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GLASCOCK COUNTY IN EAST CENTRAL GEORGIA
  JEFFERSON COUNTY IN EAST CENTRAL GEORGIA
  WASHINGTON COUNTY IN EAST CENTRAL GEORGIA
  WILKINSON COUNTY IN CENTRAL GEORGIA

* UNTIL 315 PM EDT

* AT 224 PM EDT... A LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY
DOPPLER RADAR FROM 15 MILES NORTHWEST OF IRWINTON IN WILKINSON
COUNTY TO GIBSON IN GLASCOCK COUNTY. THIS LINE WAS MOVING SOUTHEAST
AT 15 MPH.


* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
  IRWINTON...SANDERSVILLE...WRENS...AND LOUISVILLE.

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR
LARGE HAIL...CALL THE NATIONAL WEA THER SERVICE AT 770-486-1133 AT
EXTENSION 2 0 4.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 10:18 PM EDTSevere Thunderstorm WarningFFCEmanuel, Toombs, Treutlen32 min
Jun 29, 1:17 PM EDTSevere Thunderstorm WarningFFCJasper33 min
Jun 29, 1:27 PM EDTSevere Thunderstorm WarningFFCTaliaferro33 min
Jun 29, 1:49 PM EDTSevere Thunderstorm WarningFFCHancock36 min
Jun 29, 1:56 PM EDTSevere Thunderstorm WarningFFCBaldwin34 min
Jun 29, 1:58 PM EDTSevere Thunderstorm WarningFFCGreene37 min
Jun 29, 2:10 PM EDTSevere Thunderstorm WarningFFCDade, Walker35 min
Jun 29, 2:18 PM EDTSevere Thunderstorm WarningFFCMurray32 min
Jun 29, 2:28 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson47 min
Jun 29, 2:34 PM EDTSevere Thunderstorm WarningFFCGilmer36 min
Jun 29, 3:01 PM EDTSevere Thunderstorm WarningFFCJohnson19 min
Jun 29, 3:16 PM EDTSevere Thunderstorm WarningFFCUpson34 min
Jun 29, 3:58 PM EDTSevere Thunderstorm WarningFFCHarris, Talbot32 min
Jun 29, 4:05 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Pickens50 min
Jun 29, 4:27 PM EDTSevere Thunderstorm WarningFFCBanks, Hall33 min
Jun 29, 4:32 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Taylor33 min
Jun 29, 4:47 PM EDTSevere Thunderstorm WarningFFCJackson33 min
Jun 29, 5:02 PM EDTSevere Thunderstorm WarningFFCForsyth, Fulton, Gwinnett33 min
Jun 29, 5:05 PM EDTSevere Thunderstorm WarningFFCBarrow, Hall35 min
Jun 29, 5:22 PM EDTSevere Thunderstorm WarningFFCJackson33 min
Jun 29, 5:26 PM EDTSevere Thunderstorm WarningFFCCobb, Paulding34 min
Jun 29, 5:34 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett31 min
Jun 29, 5:35 PM EDTSevere Thunderstorm WarningFFCMadison35 min
Jun 29, 5:40 PM EDTSevere Thunderstorm WarningFFCWilcox35 min
Jun 29, 5:45 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee35 min
Jun 29, 6:03 PM EDTSevere Thunderstorm WarningFFCDeKalb, Rockdale, Walton32 min
Jun 29, 6:07 PM EDTSevere Thunderstorm WarningFFCGwinnett18 min
Jun 29, 6:12 PM EDTSevere Thunderstorm WarningFFCHaralson, Paulding, Polk33 min
Jun 29, 6:15 PM EDTSevere Thunderstorm WarningFFCOglethorpe35 min
Jun 29, 6:44 PM EDTSevere Thunderstorm WarningFFCDeKalb36 min
Jun 29, 6:46 PM EDTSevere Thunderstorm WarningFFCGreene, Oconee34 min
Jun 29, 7:14 PM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton36 min
Jun 29, 7:22 PM EDTSevere Thunderstorm WarningFFCClayton33 min
Jun 29, 7:35 PM EDTSevere Thunderstorm WarningFFCHenry35 min
Jun 29, 7:52 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999

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.