Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 652, NWS Atlanta, GA

August 20, 1999Crisp County, Dooly County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 1999, 7:28 PM EDT for Crisp County, Dooly 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 20, 1999, 7:28 PM EDT (23:28 UTC)
Expired
Aug 20, 1999, 8:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Crisp County, GA, Dooly County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.5 hours before the alert went out and 162 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 1999-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1278 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 1999-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1278 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

096 
WUUS52 KFFC 202328 RRA
SVRATL
GAC081-093-210000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
728 PM EDT FRI AUG 20 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRISP COUNTY IN CENTRAL GEORGIA
  DOOLY COUNTY IN CENTRAL GEORGIA

* UNTIL 800 PM EDT

* AT 727 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  9 MILES EAST OF CORDELE OR 3 MILES NORTH OF HATLEY...
  MOVING SOUTH AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
  HATLEY...

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 20, 2:19 AM EDTSevere Thunderstorm WarningFFCPaulding36 min
Aug 20, 2:49 AM EDTSevere Thunderstorm WarningFFCJefferson36 min
Aug 20, 4:36 AM EDTSevere Thunderstorm WarningFFCWashington34 min
Aug 20, 5:11 AM EDTSevere Thunderstorm WarningFFCWashington34 min
Aug 20, 3:13 PM EDTSevere Thunderstorm WarningFFCPutnam37 min
Aug 20, 3:20 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
Aug 20, 4:00 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
Aug 20, 4:07 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Aug 20, 4:20 PM EDTSevere Thunderstorm WarningFFCJones35 min
Aug 20, 4:22 PM EDTSevere Thunderstorm WarningFFCHancock33 min
Aug 20, 4:43 PM EDTSevere Thunderstorm WarningFFCBibb17 min
Aug 20, 4:45 PM EDTSevere Thunderstorm WarningFFCDouglas, Fulton35 min
Aug 20, 4:47 PM EDTSevere Thunderstorm WarningFFCTwiggs33 min
Aug 20, 4:57 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Aug 20, 5:01 PM EDTSevere Thunderstorm WarningFFCBibb34 min
Aug 20, 5:04 PM EDTSevere Thunderstorm WarningFFCWilkinson36 min
Aug 20, 5:23 PM EDTSevere Thunderstorm WarningFFCTwiggs37 min
Aug 20, 5:36 PM EDTSevere Thunderstorm WarningFFCMadison34 min
Aug 20, 5:41 PM EDTSevere Thunderstorm WarningFFCJefferson, Johnson34 min
Aug 20, 5:47 PM EDTSevere Thunderstorm WarningFFCJackson33 min
Aug 20, 5:48 PM EDTSevere Thunderstorm WarningFFCEmanuel52 min
Aug 20, 5:57 PM EDTSevere Thunderstorm WarningFFCHouston, Peach33 min
Aug 20, 6:05 PM EDTSevere Thunderstorm WarningFFCJasper35 min
Aug 20, 6:28 PM EDTSevere Thunderstorm WarningFFCBleckley32 min
Aug 20, 6:31 PM EDTSevere Thunderstorm WarningFFCHouston19 min
Aug 20, 6:47 PM EDTSevere Thunderstorm WarningFFCButts, Jasper33 min
Aug 20, 6:50 PM EDTSevere Thunderstorm WarningFFCDodge35 min
Aug 20, 6:51 PM EDTSevere Thunderstorm WarningFFCClarke34 min
Aug 20, 6:52 PM EDTSevere Thunderstorm WarningFFCOglethorpe33 min
Aug 20, 6:53 PM EDTSevere Thunderstorm WarningFFCPutnam37 min
Aug 20, 7:26 PM EDTSevere Thunderstorm WarningFFCOglethorpe19 min
Aug 20, 7:30 PM EDTSevere Thunderstorm WarningFFCWilcox35 min
Aug 20, 7:31 PM EDTSevere Thunderstorm WarningFFCClarke34 min
Aug 20, 7:42 PM EDTSevere Thunderstorm WarningFFCJackson18 min
Aug 20, 7:44 PM EDTSevere Thunderstorm WarningFFCMontgomery, Wheeler36 min
Aug 20, 7:52 PM EDTSevere Thunderstorm WarningFFCMadison18 min
Aug 20, 7:56 PM EDTSevere Thunderstorm WarningFFCTelfair34 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.