Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 616, NWS Atlanta, GA

August 19, 1999Wheeler County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 19, 1999, 5:33 PM EDT for Wheeler 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
Aug 19, 1999, 5:33 PM EDT (21:33 UTC)
Expired
Aug 19, 1999, 6:05 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Wheeler County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.6 hours before the alert went out and 204 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, Jacksonville, FL at 12:00Z on 1999-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 554 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 1999-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
554 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-4 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 192133 RRA
SVRATL
GAC309-192205-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
533 PM EDT THU AUG 19 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 605 PM EDT

* AT 532 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  6 MILES SOUTHEAST OF ALAMO OR 4 MILES NORTH OF JORDAN...
  MOVING SOUTHEAST AT 5 MPH.

* THIS STORM WILL REMAIN OVER RURAL AREAS.

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
Aug 19, 2:16 PM EDTSevere Thunderstorm WarningFFCTaylor34 min
Aug 19, 2:55 PM EDTSevere Thunderstorm WarningFFCMacon35 min
Aug 19, 3:32 PM EDTSevere Thunderstorm WarningFFCHouston, Peach33 min
Aug 19, 4:03 PM EDTSevere Thunderstorm WarningFFCHouston, Twiggs32 min
Aug 19, 4:06 PM EDTSevere Thunderstorm WarningFFCWashington34 min
Aug 19, 4:28 PM EDTSevere Thunderstorm WarningFFCEmanuel37 min
Aug 19, 4:53 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens32 min
Aug 19, 5:02 PM EDTSevere Thunderstorm WarningFFCJefferson33 min
Aug 19, 5:25 PM EDTSevere Thunderstorm WarningFFCLaurens35 min
Aug 19, 5:59 PM EDTSevere Thunderstorm WarningFFCLaurens36 min
Aug 19, 6:22 PM EDTSevere Thunderstorm WarningFFCWilcox33 min
Aug 19, 7:02 PM EDTSevere Thunderstorm WarningFFCTelfair33 min
Aug 19, 7:33 PM EDTSevere Thunderstorm WarningFFCTelfair32 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.