Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 84, NWS Atlanta, GA

April 24, 1999Johnson County, Laurens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 1999, 7:28 PM EDT for Johnson County, Laurens 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: Apr 24, 1999, 7:28 PM EDT (23:28 UTC)
Expired: Apr 24, 1999, 8:00 PM EDT
In force: 32 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Johnson County, GA, Laurens County, GA

The radar

The Robins AFB radar (KJGX), 53 km from the middle of the area, began a volume at 23:29 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, 11.5 hours before the alert went out and 182 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 242329 RRA
SVRATL
GAC167-175-250000-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 727 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  2 MILES NORTHWEST OF LOVETT... MOVING SOUTHEAST AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   SPANN                       AROUND 745 PM EDT
   LOVETT                      AROUND 745 PM EDT
   BREWTON                     AROUND 750 PM EDT

TO AVOID BEING STRUCK BY LIGHTNING...STAY INDOORS AND AWAY FROM
WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES...UNLESS
IN AN EMERGENCY. 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 48 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, 55 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, 53 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

Local storm report, Apr 24, 6:50 PM EDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
650 PM EDT SAT APR 24 1999

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

601 PM     SWAINSBORO                GA   0.88 INCH HAIL
04/24/99   EMANUEL

Local storm report, Apr 24, 7:25 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
725 PM EDT SAT APR 24 1999

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

648 PM     6E WRIGHTSVILLE           GA   1.00 INCH HAIL
04/24/99   JOHNSON

708 PM     WRIGHTSVILLE              GA   1.00 INCH HAIL
04/24/99   JOHNSON

642 PM     OCONEE                    GA    0.75 INCH HAIL
04/24/99   WASHINGTON

650 PM     5SW WRIGHTSVILLE          GA    1.25 INCH HAIL
04/24/99   JOHNSON

650 PM     WRIGHTSVILLE              GA    0.75 INCH HAIL
04/24/99   JOHNSON

705 PM     WRIGHTSVILLE              GA    2.00 INCH HAIL
04/24/99   JOHNSON                         BROKE WINDOWS IN HOUSE
                                           DAMAGED TRUCK

Local storm report, Apr 24, 7:25 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
725 PM EDT SAT APR 24 1999

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

648 PM     6E WRIGHTSVILLE           GA   1.00 INCH HAIL
04/24/99   JOHNSON

708 PM     WRIGHTSVILLE              GA   1.00 INCH HAIL
04/24/99   JOHNSON

642 PM     OCONEE                    GA    0.75 INCH HAIL
04/24/99   WASHINGTON

650 PM     5SW WRIGHTSVILLE          GA    1.25 INCH HAIL
04/24/99   JOHNSON

650 PM     WRIGHTSVILLE              GA    0.75 INCH HAIL
04/24/99   JOHNSON

705 PM     WRIGHTSVILLE              GA    2.00 INCH HAIL
04/24/99   JOHNSON                         BROKE WINDOWS IN HOUSE
                                           DAMAGED TRUCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 2:33 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Troup	32 min
Apr 24, 4:19 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston	36 min
Apr 24, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	36 min
Apr 24, 5:19 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	16 min
Apr 24, 5:22 PM EDT	Severe Thunderstorm Warning	FFC	Pike	33 min
Apr 24, 5:58 PM EDT	Severe Thunderstorm Warning	FFC	Washington	32 min
Apr 24, 5:59 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	36 min
Apr 24, 6:05 PM EDT	Severe Thunderstorm Warning	FFC	Pike	35 min
Apr 24, 6:28 PM EDT	Severe Thunderstorm Warning	FFC	Johnson, Washington	32 min
Apr 24, 6:45 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	35 min
Apr 24, 6:57 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999 Every 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.