Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 596, NWS Atlanta, GA

August 13, 1999Fannin County, Union County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 13, 1999, 9:31 PM EDT for Fannin County, Union County, Georgia. It was in force for 34 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, 9:31 PM EDT (01:31 UTC)
Expired: Aug 13, 1999, 10:05 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Fannin County, GA, Union County, GA

The radar

The Knoxville radar (KMRX), 162 km from the middle of the area, began a volume at 01:32 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 00:00Z, 1.5 hours before the alert went out and 167 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: 994 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1522 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 61 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.

000 
TTAA00 KATL 140130 RRA
SVRATL
GAC111-291-140205-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FANNIN COUNTY IN NORTHWESTERN GEORGIA
  UNION COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 1005 PM EDT

* AT 930 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR 9 MILES WEST OF BLAIRSVILLE... MOVING EAST AT 15 MPH.

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

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, 6:30 PM EDT, 3 hours 1 minute before

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

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

154 PM     DAHLONEGA                 GA   1.75 INCH HAIL
08/13/99   LUMPKIN                        LARGE TREES BLOWN DOWN

300 PM     HILLSBORO AND MONTICELLO  GA   WIND DAMAGE
08/13/99   JASPER                         SEVERAL TREES AND POWER
                                          LINES DOWN

318 PM     WATKINSVILLE              GA   WIND DAMAGE
08/13/99   OCONEE                         SEVERAL TREES BLOWN DOWN

347 PM     MAGNET                    GA   1.00 INCH HAIL
08/13/99   NEWTON

350 PM     MADISON                   GA   WIND DAMAGE
08/13/99   MORGAN                         SEVERAL TREES BLOWN DOWN

400 PM     GAY                       GA   1.00 INCH HAIL
08/13/99   MERIWETHER

410 PM     6 E MCDONOUGH             GA   0.75 INCH HAIL
08/13/99   HENRY

421 PM     AMERICUS                  GA   0.75 INCH HAIL
08/13/99   SUMTER

445 PM     HAWKINSVILLE              GA   WIND DAMAGE
08/13/99   PULASKI                        SEVERAL TREES BLOWN DOWN

500 PM     DESOTO                    GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

521 PM     FAIRBURN                  GA   1.00 INCH HAIL
08/13/99   FULTON

545 PM     LAWRENCEVILLE             GA   0.88 INCH HAIL
08/13/99   GWINNETT                       NICKEL SIZE HAIL

548 PM     LILBURN                   GA   0.75 INCH HAIL
08/13/99   GWINNETT

Local storm report, Aug 13, 6:30 PM EDT, 3 hours 1 minute before

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

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

154 PM     DAHLONEGA                 GA   1.75 INCH HAIL
08/13/99   LUMPKIN                        LARGE TREES BLOWN DOWN

300 PM     HILLSBORO AND MONTICELLO  GA   WIND DAMAGE
08/13/99   JASPER                         SEVERAL TREES AND POWER
                                          LINES DOWN

318 PM     WATKINSVILLE              GA   WIND DAMAGE
08/13/99   OCONEE                         SEVERAL TREES BLOWN DOWN

347 PM     MAGNET                    GA   1.00 INCH HAIL
08/13/99   NEWTON

350 PM     MADISON                   GA   WIND DAMAGE
08/13/99   MORGAN                         SEVERAL TREES BLOWN DOWN

400 PM     GAY                       GA   1.00 INCH HAIL
08/13/99   MERIWETHER

410 PM     6 E MCDONOUGH             GA   0.75 INCH HAIL
08/13/99   HENRY

421 PM     AMERICUS                  GA   0.75 INCH HAIL
08/13/99   SUMTER

445 PM     HAWKINSVILLE              GA   WIND DAMAGE
08/13/99   PULASKI                        SEVERAL TREES BLOWN DOWN

500 PM     DESOTO                    GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

521 PM     FAIRBURN                  GA   1.00 INCH HAIL
08/13/99   FULTON

545 PM     LAWRENCEVILLE             GA   0.88 INCH HAIL
08/13/99   GWINNETT                       NICKEL SIZE HAIL

548 PM     LILBURN                   GA   0.75 INCH HAIL
08/13/99   GWINNETT

Local storm report, Aug 13, 7:35 PM EDT, 1 hour 56 minutes before

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

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

154 PM     DAHLONEGA                 GA   1.75 INCH HAIL
08/13/99   LUMPKIN                        LARGE TREES BLOWN DOWN

300 PM     HILLSBORO AND MONTICELLO  GA   WIND DAMAGE
08/13/99   JASPER                         SEVERAL TREES AND POWER
                                          LINES DOWN

300 PM     BUTLER AND REYNOLDS       GA   0.75 INCH HAIL
08/13/99   TAYLOR                         LARGE LIMBS BLOWN DOWN

318 PM     WATKINSVILLE              GA   WIND DAMAGE
08/13/99   OCONEE                         SEVERAL TREES BLOWN DOWN

347 PM     MAGNET                    GA   1.00 INCH HAIL
08/13/99   NEWTON

350 PM     MADISON                   GA   WIND DAMAGE
08/13/99   MORGAN                         SEVERAL TREES BLOWN DOWN

400 PM     GAY                       GA   1.00 INCH HAIL
08/13/99   MERIWETHER

410 PM     6 E MCDONOUGH             GA   0.75 INCH HAIL
08/13/99   HENRY

421 PM     AMERICUS                  GA   0.75 INCH HAIL
08/13/99   SUMTER

430 PM     AMERICUS                  GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

445 PM     HAWKINSVILLE              GA   WIND DAMAGE
08/13/99   PULASKI                        SEVERAL TREES BLOWN DOWN

500 PM     DESOTO                    GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

521 PM     FAIRBURN                  GA   1.00 INCH HAIL
08/13/99   FULTON

545 PM     LAWRENCEVILLE             GA   0.88 INCH HAIL
08/13/99   GWINNETT                       NICKEL SIZE HAIL

548 PM     LILBURN                   GA   0.75 INCH HAIL
08/13/99   GWINNETT

600 PM     HAMILTON                  GA   WIND DAMAGE
08/13/99   HARRIS                         SEVERAL TREES AND POWER
                                          LINES BLOWN DOWN

635 PM     HAMILTON                  GA   WIND DAMAGE
08/13/99   HARRIS                         TREES BLOWN DOWN ONTO ROADS

Local storm report, Aug 13, 7:35 PM EDT, 1 hour 56 minutes before

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

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

154 PM     DAHLONEGA                 GA   1.75 INCH HAIL
08/13/99   LUMPKIN                        LARGE TREES BLOWN DOWN

300 PM     HILLSBORO AND MONTICELLO  GA   WIND DAMAGE
08/13/99   JASPER                         SEVERAL TREES AND POWER
                                          LINES DOWN

300 PM     BUTLER AND REYNOLDS       GA   0.75 INCH HAIL
08/13/99   TAYLOR                         LARGE LIMBS BLOWN DOWN

318 PM     WATKINSVILLE              GA   WIND DAMAGE
08/13/99   OCONEE                         SEVERAL TREES BLOWN DOWN

347 PM     MAGNET                    GA   1.00 INCH HAIL
08/13/99   NEWTON

350 PM     MADISON                   GA   WIND DAMAGE
08/13/99   MORGAN                         SEVERAL TREES BLOWN DOWN

400 PM     GAY                       GA   1.00 INCH HAIL
08/13/99   MERIWETHER

410 PM     6 E MCDONOUGH             GA   0.75 INCH HAIL
08/13/99   HENRY

421 PM     AMERICUS                  GA   0.75 INCH HAIL
08/13/99   SUMTER

430 PM     AMERICUS                  GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

445 PM     HAWKINSVILLE              GA   WIND DAMAGE
08/13/99   PULASKI                        SEVERAL TREES BLOWN DOWN

500 PM     DESOTO                    GA   WIND DAMAGE
08/13/99   SUMTER                         SEVERAL TREES BLOWN DOWN

521 PM     FAIRBURN                  GA   1.00 INCH HAIL
08/13/99   FULTON

545 PM     LAWRENCEVILLE             GA   0.88 INCH HAIL
08/13/99   GWINNETT                       NICKEL SIZE HAIL

548 PM     LILBURN                   GA   0.75 INCH HAIL
08/13/99   GWINNETT

600 PM     HAMILTON                  GA   WIND DAMAGE
08/13/99   HARRIS                         SEVERAL TREES AND POWER
                                          LINES BLOWN DOWN

635 PM     HAMILTON                  GA   WIND DAMAGE
08/13/99   HARRIS                         TREES BLOWN DOWN ONTO ROADS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 12:25 AM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Pickens	35 min
Aug 14, 3:37 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Treutlen	33 min
Aug 14, 4:06 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery	34 min
Aug 14, 4:22 PM EDT	Severe Thunderstorm Warning	FFC	Toombs	33 min
Aug 14, 4:47 PM EDT	Severe Thunderstorm Warning	FFC	Wheeler	18 min
Aug 14, 4:50 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery	20 min
Aug 14, 5:43 PM EDT	Severe Thunderstorm Warning	FFC	Dodge	32 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.