Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 604, NWS Atlanta, GA

August 14, 1999Bleckley County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 14, 1999, 8:14 PM EDT for Bleckley 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 14, 1999, 8:14 PM EDT (00:14 UTC)
Expired: Aug 14, 1999, 8:50 PM EDT
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Bleckley County, GA

The radar

The Robins AFB radar (KJGX), 27 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 151 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2359 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 53 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 150013 RRA
SVRATL
GAC023-150050-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
814 PM EDT SAT AUG 14 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BLECKLEY COUNTY IN CENTRAL GEORGIA

* UNTIL 850 PM EDT

* AT 813 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  10 MILES NORTH OF COCHRAN OR 3 MILES WEST OF BROWN HILL...
  MOVING SOUTHEAST AT 5 MPH.

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

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR
LAR~GE 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 14, 5:50 PM EDT, 2 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
550 PM EDT SAT AUG 14 1999

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

355 PM     SOPERTON                  GA   WIND DAMAGE
08/14/99   TREUTLEN                       TREES BLOWN DOWN

400 PM     SWAINSBORO                GA   WIND DAMAGE
08/14/99   EMANUEL                        A FEW TREES BLOWN DOWN

420 PM     MT VERNON                 GA   WIND DAMAGE
08/14/99   MONTGOMERY                     SEVERAL TREES BLOWN DOWN

430 PM     LYONS                     GA   WIND DAMAGE
08/14/99   TOOMBS                         TREES BLOWN DOWN AND POWER
                                          OUTAGES COUNTY WIDE

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.