Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 336, NWS Atlanta, GA

June 5, 1999Catoosa County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 5, 1999, 6:40 PM EDT for Catoosa County, Georgia. It was in force for 35 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: Jun 5, 1999, 6:40 PM EDT (22:40 UTC)
Expired: Jun 5, 1999, 7:15 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Catoosa County, GA

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 22:44 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.7 hours before the alert went out and 190 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: 191 J/kg
Mixed-layer CIN: -368 J/kg
Mixed-layer LCL: 1505 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

265 
WUUS1 KATL 052241 RRA
SVRATL
GAC047-052315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
640 PM EDT SAT JUN 5 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATOOSA COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 715 PM EDT

* AT 639 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  8 MILES SOUTH OF KEITH... MOVING SOUTHWEST AT 25 MPH.

* THIS STORM WILL REMAIN OVER RURAL AREAS.

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, Jun 5, 6:40 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
640 PM EDT SAT JUN 5 1999

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

510 PM     WELCOME                   GA   0.75 INCH HAIL
06/05/99   COWETA

515 PM     NEWNAN                    GA   0.75 INCH HAIL
06/05/99   COWETA

528 PM     NEWNAN                    GA   1.75 INCH HAIL
06/05/99   COWETA

535 PM     WHITESBURG                GA   0.75 INCH HAIL
06/05/99   CARROLL

611 PM     8 NE WEST POINT           GA   0.75 INCH HAIL
06/05/99   TROUP

613 PM     WEST POINT                GA   1.00 INCH HAIL
06/05/99   TROUP

633 PM     TUNNEL HILL               GA   WIND DAMAGE
06/05/99   WHITFIELD                      SEVERAL TREES BLOWN DOWN

Local storm report, Jun 5, 6:40 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
640 PM EDT SAT JUN 5 1999

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

510 PM     WELCOME                   GA   0.75 INCH HAIL
06/05/99   COWETA

515 PM     NEWNAN                    GA   0.75 INCH HAIL
06/05/99   COWETA

528 PM     NEWNAN                    GA   1.75 INCH HAIL
06/05/99   COWETA

535 PM     WHITESBURG                GA   0.75 INCH HAIL
06/05/99   CARROLL

611 PM     8 NE WEST POINT           GA   0.75 INCH HAIL
06/05/99   TROUP

613 PM     WEST POINT                GA   1.00 INCH HAIL
06/05/99   TROUP

633 PM     TUNNEL HILL               GA   WIND DAMAGE
06/05/99   WHITFIELD                      SEVERAL TREES BLOWN DOWN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 8:01 PM EDT	Severe Thunderstorm Warning	FFC	Twiggs	34 min
Jun 4, 8:05 PM EDT	Severe Thunderstorm Warning	FFC	Wilkinson	20 min
Jun 4, 8:14 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley	36 min
Jun 4, 8:17 PM EDT	Severe Thunderstorm Warning	FFC	Pulaski, Wilcox	48 min
Jun 4, 8:49 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	51 min
Jun 4, 9:04 PM EDT	Tornado Warning	FFC	Pulaski	21 min
Jun 4, 9:11 PM EDT	Severe Thunderstorm Warning	FFC	Wilcox	34 min
Jun 4, 9:42 PM EDT	Severe Thunderstorm Warning	FFC	Wilcox	18 min
Jun 5, 4:12 PM EDT	Severe Thunderstorm Warning	FFC	Crisp	33 min
Jun 5, 5:06 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	34 min
Jun 5, 5:21 PM EDT	Severe Thunderstorm Warning	FFC	Murray, Whitfield	34 min
Jun 5, 5:23 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Heard	37 min
Jun 5, 6:01 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	34 min
Jun 5, 6:09 PM EDT	Severe Thunderstorm Warning	FFC	Troup	36 min
Jun 5, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	Whitfield	36 min
Jun 5, 6:52 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Walker	33 min
Jun 5, 7:14 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	36 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.