Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 590, NWS Atlanta, GA

August 13, 1999Pulaski County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 13, 1999, 4:38 PM EDT for Pulaski County, Georgia. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 13, 1999, 4:38 PM EDT (20:38 UTC)
Expired: Aug 13, 1999, 5:10 PM EDT
In force: 32 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Pulaski County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 20:38 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.

What was reported inside it

Time	Report	Where	Remark
Aug 13, 4:45 PM EDT	Thunderstorm Wind	Hawkinsville, GA	The Hawkinsville sheriff's office reported several trees blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.6 hours before the alert went out and 159 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 48 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, 4:04 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	36 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, 4:50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.