Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 459, NWS Atlanta, GA

July 6, 1999Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 1999, 7:08 PM EDT for Meriwether County, Georgia. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 6, 1999, 7:08 PM EDT (23:08 UTC)
Expired
Jul 6, 1999, 7:40 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Meriwether County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 41 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 1999-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1066 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 1999-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
1066 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1170 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
66 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.

099 
WUUS1 KATL 062309
SVRATL
GAC199-062340-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
708 PM EDT TUE JUL 6 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERIWETHER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 740 PM EDT

* AT 706 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  4 MILES NORTH OF GREENVILLE... MOVING SOUTH AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   GREENVILLE                  AROUND 730 PM EDT...
   ODESSADALE                  AROUND 735 PM 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
Jul 6, 3:14 PM EDTSevere Thunderstorm WarningFFCPickens36 min
Jul 6, 3:42 PM EDTSevere Thunderstorm WarningFFCLumpkin33 min
Jul 6, 3:52 PM EDTSevere Thunderstorm WarningFFCGilmer33 min
Jul 6, 3:58 PM EDTSevere Thunderstorm WarningFFCJackson37 min
Jul 6, 4:15 PM EDTSevere Thunderstorm WarningFFCFulton35 min
Jul 6, 4:27 PM EDTSevere Thunderstorm WarningFFCHall33 min
Jul 6, 4:45 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton35 min
Jul 6, 4:46 PM EDTSevere Thunderstorm WarningFFCEmanuel, Johnson34 min
Jul 6, 4:52 PM EDTSevere Thunderstorm WarningFFCWarren33 min
Jul 6, 5:14 PM EDTSevere Thunderstorm WarningFFCDeKalb36 min
Jul 6, 5:35 PM EDTFlash Flood WarningFFCFulton115 min
Jul 6, 5:35 PM EDTSevere Thunderstorm WarningFFCEmanuel, Johnson35 min
Jul 6, 5:45 PM EDTSevere Thunderstorm WarningFFCLaurens35 min
Jul 6, 5:49 PM EDTSevere Thunderstorm WarningFFCGreene, Taliaferro31 min
Jul 6, 5:51 PM EDTSevere Thunderstorm WarningFFCHenry34 min
Jul 6, 6:01 PM EDTSevere Thunderstorm WarningFFCChattooga34 min
Jul 6, 6:03 PM EDTSevere Thunderstorm WarningFFCMonroe32 min
Jul 6, 6:19 PM EDTSevere Thunderstorm WarningFFCBaldwin, Hancock36 min
Jul 6, 6:24 PM EDTSevere Thunderstorm WarningFFCFayette36 min
Jul 6, 6:32 PM EDTSevere Thunderstorm WarningFFCJones33 min
Jul 6, 6:41 PM EDTSevere Thunderstorm WarningFFCMonroe34 min
Jul 6, 6:44 PM EDTSevere Thunderstorm WarningFFCTroup31 min
Jul 6, 6:45 PM EDTSevere Thunderstorm WarningFFCChattooga35 min
Jul 6, 6:52 PM EDTSevere Thunderstorm WarningFFCBaldwin33 min
Jul 6, 6:55 PM EDTFlash Flood WarningFFCChattooga3 hr
Jul 6, 6:56 PM EDTSevere Thunderstorm WarningFFCBibb34 min
Jul 6, 7:00 PM EDTSevere Thunderstorm WarningFFCLaurens35 min
Jul 6, 7:09 PM EDTSevere Thunderstorm WarningFFCMonroe36 min
Jul 6, 7:20 PM EDTSevere Thunderstorm WarningFFCMacon35 min
Jul 6, 7:24 PM EDTSevere Thunderstorm WarningFFCTelfair36 min
Jul 6, 7:39 PM EDTSevere Thunderstorm WarningFFCHeard31 min
Jul 6, 7:46 PM EDTSevere Thunderstorm WarningFFCDooly34 min
Jul 6, 7:47 PM EDTSevere Thunderstorm WarningFFCUpson33 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; the sounding from the Mesonet's radiosonde archive.