Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 340, NWS Atlanta, GA

June 10, 1999Catoosa County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 10, 1999, 4:12 PM EDT for Catoosa County, Walker County, Georgia. It was in force for 33 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
Jun 10, 1999, 4:12 PM EDT (20:12 UTC)
Expired
Jun 10, 1999, 4:45 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Catoosa County, GA, Walker County, GA

What was reported inside it

TimeReportWhereRemark
Jun 10, 4:15 PM EDTThunderstorm WindChickamauga, GAWalker county 911 center reported wind damage between Chickamauga and Rossville. Many trees were blown over and a trailer was damaged by wind.

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, 8.2 hours before the alert went out and 174 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 1999-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 1999-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1673 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
93 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.

647 
WUUS1 KATL 102014 RRA
SVRATL
GAC047-295-102045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
412 PM EDT THU JUN 10 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 445 PM EDT

* AT 411 PM... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  5 MILES EAST OF HIGH POINT... MOVING WEST AT 15 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   LOOKOUT MOUNTAIN            AROUND 430 PM...
   HIGH POINT                  AROUND 430 PM...
   HINKLES                     AROUND 440 PM EDT...

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 10, 3:19 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
319 PM EDT THU JUN 10 1999

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

240 PM     CHATSWORTH                GA   1.75 INCH HAIL
06/10/99   MURRAY                         2 PUBLIC REPORTS OF DIME AND
                                          GOLF BALL SIZE HAIL IN ETON
                                          AND CHATSWORTH.

245 PM     DAWNVILLE                 GA   WIND DAMAGE
06/10/99   WHITFIELD                      TREES DOWN.
Local storm report, Jun 10, 3:19 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
319 PM EDT THU JUN 10 1999

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

240 PM     CHATSWORTH                GA   1.75 INCH HAIL
06/10/99   MURRAY                         2 PUBLIC REPORTS OF DIME AND
                                          GOLF BALL SIZE HAIL IN ETON
                                          AND CHATSWORTH.

245 PM     DAWNVILLE                 GA   WIND DAMAGE
06/10/99   MURRAY                         TREES DOWN.
Local storm report, Jun 10, 3:19 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
319 PM EDT THU JUN 10 1999

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

240 PM     CHATSWORTH                GA   1.75 INCH HAIL
06/10/99   MURRAY                         2 PUBLIC REPORTS OF DIME AND
                                          GOLF BALL SIZE HAIL IN ETON
                                          AND CHATSWORTH.

245 PM     DAWNVILLE                 GA   WIND DAMAGE
06/10/99   WHITFIELD                      TREES DOWN.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 2:38 PM EDTSevere Thunderstorm WarningFFCMurray, Whitfield32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every 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.