Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 252, NWS Atlanta, GA

June 3, 1999Coweta County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 3, 1999, 8:10 AM EDT for Coweta County, Georgia. It was in force for 35 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 3, 1999, 8:10 AM EDT (12:10 UTC)
Expired
Jun 3, 1999, 8:45 AM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 18 km from the middle of the area, began a volume at 12:03 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

TimeReportWhereRemark
Jun 3, 8:28 AM EDTThunderstorm WindThomas Xrds, GAThe public reported large limbs blown off trees.

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, 0.2 hours before the alert went out and 24 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 1999-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 815 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 1999-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
815 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

886 
WUUS1 KATL 031209 RRA
SVRATL
GAC077-031245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
810 AM EDT THU JUN 3 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COWETA COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 845 AM EDT

* AT 808 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  3 MILES NORTHWEST OF THOMAS CROSSROADS... MOVING SOUTHEAST
  AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   THOMAS CROSSROADS           AROUND 825 AM EDT...

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 WEATHER 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 2, 8:10 PM EDTSevere Thunderstorm WarningFFCHarris25 min
Jun 3, 8:22 AM EDTSevere Thunderstorm WarningFFCFayette33 min
Jun 3, 12:24 PM EDTSevere Thunderstorm WarningFFCWilkinson36 min
Jun 3, 1:06 PM EDTSevere Thunderstorm WarningFFCMeriwether, Troup34 min
Jun 3, 1:46 PM EDTSevere Thunderstorm WarningFFCTroup34 min
Jun 3, 2:23 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk32 min
Jun 3, 2:32 PM EDTSevere Thunderstorm WarningFFCTroup33 min
Jun 3, 2:40 PM EDTSevere Thunderstorm WarningFFCFannin35 min
Jun 3, 3:03 PM EDTSevere Thunderstorm WarningFFCTroup32 min
Jun 3, 3:15 PM EDTSevere Thunderstorm WarningFFCHall, Lumpkin35 min
Jun 3, 4:13 PM EDTSevere Thunderstorm WarningFFCFulton32 min
Jun 3, 4:37 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette33 min
Jun 3, 5:18 PM EDTSevere Thunderstorm WarningFFCPickens32 min
Jun 3, 5:52 PM EDTSevere Thunderstorm WarningFFCCherokee, Pickens48 min
Jun 3, 6:02 PM EDTSevere Thunderstorm WarningFFCGordon33 min
Jun 3, 6:03 PM EDTSevere Thunderstorm WarningFFCDooly37 min
Jun 3, 6:27 PM EDTSevere Thunderstorm WarningFFCGlascock33 min
Jun 3, 6:44 PM EDTSevere Thunderstorm WarningFFCWarren36 min
Jun 3, 6:47 PM EDTSevere Thunderstorm WarningFFCJefferson33 min
Jun 3, 7:14 PM EDTSevere Thunderstorm WarningFFCChattooga, Walker51 min
Jun 3, 7:22 PM EDTSevere Thunderstorm WarningFFCJefferson33 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; radar from the NEXRAD Level II archive.