Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 587, NWS Atlanta, GA

August 13, 1999Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 13, 1999, 4:04 PM EDT for Meriwether County, Georgia. It was in force for 36 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 13, 1999, 4:04 PM EDT (20:04 UTC)
Expired: Aug 13, 1999, 4:40 PM EDT
In force: 36 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, 8.1 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-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: 1845 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 19 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 132003 RRA
SVRATL
GAC199-132040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
404 PM EDT FRI AUG 13 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 440 PM EDT

* AT 402 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  8 MILES NORTHEAST OF GREENVILLE OR 2 MILES NORTHWEST OF
  GAY... MOVING SOUTHEAST AT 10 MPH.

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

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, Aug 13, 2:50 PM EDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
250 PM EDT FRI AUG 13 1999

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

158 PM     KNOXVILLE                 GA   WIND DAMAGE
08/13/99   CRAWFORD                       CRAWFORD COUNTY SHERIFFS
                                          OFFICE REPORTED TREES DOWN
                                          IN THE CITY OF KNOXVILLE

205 PM     DAHLONEGA                 GA   1.00 INCH HAIL
08/13/99   LUMPKIN                        SEVERAL REPORTS OF QUARTER
                                          TO GOLFBALL SIZE HAIL IN THE
                                          CITY OF DAHLONEGA

220 PM     FORSYTH                   GA   WIND DAMAGE
08/13/99   MONROE                         MONROE COUNT SHERIFFS OFFICE
                                          REPORTED TREES DOWN ON JOE
                                          CHAMBERS ROAD IN FORSYTH.
                                          OTHER TREES DOWN ON HIGHWAY
                                          18 WEST OF FORSYTH.

240 PM     GRAY                      GA   WIND DAMAGE
08/13/99   JONES                          JONES COUNTY SHERIFFS OFFICE
                                          REPORTED TREES DOWN 10 MILES
                                          NORTH OF THE CITY OF GRAY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 8:53 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	22 min
Aug 12, 9:12 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	33 min
Aug 13, 1:39 PM EDT	Severe Thunderstorm Warning	FFC	Crawford	36 min
Aug 13, 1:46 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	34 min
Aug 13, 2:03 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	37 min
Aug 13, 2:24 PM EDT	Severe Thunderstorm Warning	FFC	Jones	36 min
Aug 13, 2:38 PM EDT	Severe Thunderstorm Warning	FFC	Taylor	32 min
Aug 13, 2:51 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	34 min
Aug 13, 3:04 PM EDT	Severe Thunderstorm Warning	FFC	Oconee	36 min
Aug 13, 3:10 PM EDT	Severe Thunderstorm Warning	FFC	Taylor	35 min
Aug 13, 3:26 PM EDT	Severe Thunderstorm Warning	FFC	Newton	34 min
Aug 13, 3:33 PM EDT	Severe Thunderstorm Warning	FFC	Henry	32 min
Aug 13, 3:40 PM EDT	Severe Thunderstorm Warning	FFC	Morgan	35 min
Aug 13, 4:12 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	33 min
Aug 13, 4:18 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	32 min
Aug 13, 4:38 PM EDT	Severe Thunderstorm Warning	FFC	Pulaski	32 min
Aug 13, 4:50 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	35 min
Aug 13, 5:35 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	35 min
Aug 13, 5:40 PM EDT	Severe Thunderstorm Warning	FFC	Harris	35 min
Aug 13, 6:13 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	37 min
Aug 13, 6:15 PM EDT	Severe Thunderstorm Warning	FFC	Harris	35 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.