Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 82, NWS Atlanta, GA

April 24, 1999Laurens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 1999, 6:45 PM EDT for Laurens County, Georgia. It was in force for 35 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
Apr 24, 1999, 6:45 PM EDT (22:45 UTC)
Expired
Apr 24, 1999, 7:20 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Laurens County, GA

The radar

The Robins AFB radar (KJGX), 47 km from the middle of the area, began a volume at 22:48 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 178 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 1999-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1372 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1999-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
1372 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
137 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.

999 
WUUS1 KATL 242246 RRA
SVRATL
GAC175-242320-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
645 PM EDT SAT APR 24 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LAURENS COUNTY IN CENTRAL GEORGIA

* UNTIL 720 PM EDT

* AT 645 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  5 MILES NORTHWEST OF LOVETT... MOVING SOUTHEAST AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   LOVETT                      AROUND 715 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 24, 5:40 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT SAT APR 24 1999

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

415 PM     UNIDILLA                  GA   0.75 INCH HAIL
04/24/99   DOOLY

430 PM     UNIDILLA                  GA   0.75 INCH HAIL
04/24/99   DOOLY

536 PM     WILLIAMSON                GA   1.00 INCH HAIL
04/24/99   PIKE

539 PM     WILLIAMSON                GA   1.00 INCH HAIL
04/24/99   PIKE
Local storm report, Apr 24, 5:40 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT SAT APR 24 1999

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

415 PM     UNIDILLA                  GA   0.75 INCH HAIL
04/24/99   DOOLY

430 PM     UNIDILLA                  GA   0.75 INCH HAIL
04/24/99   DOOLY

536 PM     WILLIAMSON                GA   1.00 INCH HAIL
04/24/99   PIKE

539 PM     WILLIAMSON                GA   1.00 INCH HAIL
04/24/99   PIKE
Local storm report, Apr 24, 6:33 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
607 PM EDT WED APR 7 1999

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

507-529    WARNER ROBINS             GA   NUMEROUS REPORTS OF HAIL
PM         HOUSTON                        STONES FROM 0.75 INCH TO 2.0
04/07/99                                  INCH DIAMETER

512 PM     MACON                     GA   0.75 INCH HAIL
04/07/99   BIBB

620 PM     ZEBULON                   GA   0.75 INCH HAIL
04/24/99   PIKE

620 PM     ZEBULON                   GA   0.75 INCH HAIL
04/24/99   PIKE
Local storm report, Apr 24, 6:35 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
635 PM EDT SAT APR 24 1999

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

620 PM     ZEBULON                   GA   0.75 INCH HAIL
04/24/99   PIKE

621 PM     ZEBULON                   GA   0.75 INCH HAIL
04/24/99   PIKE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 2:33 PM EDTSevere Thunderstorm WarningFFCMeriwether, Troup32 min
Apr 24, 4:19 PM EDTSevere Thunderstorm WarningFFCDooly, Houston36 min
Apr 24, 4:54 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk36 min
Apr 24, 5:19 PM EDTSevere Thunderstorm WarningFFCDooly16 min
Apr 24, 5:22 PM EDTSevere Thunderstorm WarningFFCPike33 min
Apr 24, 5:58 PM EDTSevere Thunderstorm WarningFFCWashington32 min
Apr 24, 5:59 PM EDTSevere Thunderstorm WarningFFCEmanuel36 min
Apr 24, 6:05 PM EDTSevere Thunderstorm WarningFFCPike35 min
Apr 24, 6:28 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington32 min
Apr 24, 6:57 PM EDTSevere Thunderstorm WarningFFCJohnson33 min
Apr 24, 7:28 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens32 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; radar from the NEXRAD Level II archive.