Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 428, NWS Atlanta, GA

June 30, 1999Cherokee County, Pickens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 30, 1999, 6:24 PM EDT for Cherokee County, Pickens County, Georgia. It was in force for 36 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 30, 1999, 6:24 PM EDT (22:24 UTC)
Expired
Jun 30, 1999, 7:00 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cherokee County, GA, Pickens County, GA

What was reported inside it

TimeReportWhereRemark
Jun 30, 6:55 PM EDTThunderstorm WindWoodstock, GACherokee county 911 reported several power lines and some transformers were blown down. Also, a tree fell on a house.

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, 10.4 hours before the alert went out and 109 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 1999-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 489 joules per kilogram.LCLLFCEL10008507005003002001001 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 1999-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
489 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-31 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 302223
SVRATL
GAC057-227-302300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
624 PM EDT WED JUN 30 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN NORTHWESTERN GEORGIA
  PICKENS COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 700 PM EDT

* AT 624 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR 5 MILES SOUTHWEST OF LUDVILLE...MOVING EAST AT 10 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   LUDVILLE                    AROUND 635 PM EDT...
   HINTON                      AROUND 640 PM EDT...
   BLAINE                      AROUND 650 PM EDT...
   WALESKA                     AROUND 650 PM EDT...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOMEP OR BUSINESS. 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 30, 5:40 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT WED JUN 30 1999

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

210 PM     1 W FRANKLIN              GA   WIND DAMAGE
06/30/99   HEARD                          TREES DOWN

225 PM     NEWNAN                    GA   0.81 INCH HAIL
06/30/99   COWETA

213 PM                               GA   0.75 INCH HAIL
06/30/99   COBB                           SEVERE LIGHTNING AND GUSTY
                                          WINDS

228 PM     POWER CROSS RD.           GA   1.00 INCH HAIL
06/30/99   HEARD

232 PM     10 E FRANKLIN             GA   1.00 INCH HAIL
06/30/99   HEARD

245 PM     4 W MARIETTA              GA   0.75 INCH HAIL
06/30/99   COBB

250 PM     THOMAS CROSSROADS         GA   WIND DAMAGE
06/30/99   COWETA                         TREES DOWN.

245 PM     CATSVILLE                 GA   WIND DAMAGE
06/30/99   BARTOW                         TREES DOWN

256 PM     THOMAS CROSSROADS         GA   0.75 INCH HAIL
06/30/99   COWETA                         TOPS OF 3 OAK TREES OFF.

305 PM     ACTSWORTH                 GA   1.00 INCH HAIL
06/30/99   COBB

310 PM     PEACHTRE CITY AND TYRON   GA   WIND DAMAGE
06/30/99   FAYETTE                        TREES BLOWN DOWN.

300 PM     WHITE OAK                 GA   WIND DAMAGE
06/30/99   COWETA                         TREES DOWN

330 PM     TUCKER                    GA   0.75 INCH HAIL
06/30/99   DEKALB                         TREES DOWN ALSO.

355 PM     EXTREME S FORSYTH COUNTY  GA   WIND DAMAGE
06/30/99   FORSYTH                        ROOF HEAVILY DAMAGED.

406 PM     FT VALLEY.                GA   0.75 INCH HAIL
06/30/99   PEACH                          DIME TO QUARTER SIZE HAIL.

425 PM     HAWKINSVILLE              GA   1.00 INCH HAIL
06/30/99   PULASKI

425 PM     MILBURN                   GA   0.75 INCH HAIL
06/30/99   GWINNETT

213 PM     OXFORD                    GA   WIND DAMAGE
06/30/99   NEWTON                         NUMEROUS TREES DOWN ON
                                          TOWNLY RD.

215 PM     ACWORTH                   GA   1.00 INCH HAIL
06/30/99   COBB

245 PM     POWDER SPRINGS            GA   0.75 INCH HAIL
06/30/99   COBB

330 PM     SUNNYSIDE                 GA   0.75 INCH HAIL
06/30/99   SPALDING

332 PM     FOREST PARK AND MORROW.   GA   0.75 INCH HAIL
06/30/99   CLAYTON

215 PM     5 W ACWORTH               GA   0.75 INCH HAIL
06/30/99   COBB

255 PM     POWDER SPRINGS.           GA   0.75 INCH HAIL
06/30/99   COBB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:05 PM EDTSevere Thunderstorm WarningFFCBleckley, Houston, Pulaski35 min
Jun 29, 8:11 PM EDTTornado WarningFFCFayette34 min
Jun 29, 8:41 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette34 min
Jun 29, 8:53 PM EDTSevere Thunderstorm WarningFFCPulaski37 min
Jun 29, 9:25 PM EDTSevere Thunderstorm WarningFFCCoweta50 min
Jun 30, 1:42 PM EDTSevere Thunderstorm WarningFFCCarroll33 min
Jun 30, 1:48 PM EDTSevere Thunderstorm WarningFFCTroup32 min
Jun 30, 1:52 PM EDTSevere Thunderstorm WarningFFCCobb, Paulding48 min
Jun 30, 1:58 PM EDTSevere Thunderstorm WarningFFCHeard32 min
Jun 30, 2:15 PM EDTSevere Thunderstorm WarningFFCCoweta50 min
Jun 30, 2:22 PM EDTSevere Thunderstorm WarningFFCMeriwether33 min
Jun 30, 2:23 PM EDTSevere Thunderstorm WarningFFCBartow32 min
Jun 30, 2:27 PM EDTSevere Thunderstorm WarningFFCWebster33 min
Jun 30, 2:32 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Jun 30, 2:37 PM EDTSevere Thunderstorm WarningFFCCobb33 min
Jun 30, 2:38 PM EDTSevere Thunderstorm WarningFFCLamar37 min
Jun 30, 2:43 PM EDTSevere Thunderstorm WarningFFCFulton32 min
Jun 30, 2:52 PM EDTSevere Thunderstorm WarningFFCFayette, Spalding33 min
Jun 30, 2:57 PM EDTSevere Thunderstorm WarningFFCGordon, Pickens33 min
Jun 30, 3:01 PM EDTSevere Thunderstorm WarningFFCCherokee, Fulton34 min
Jun 30, 3:02 PM EDTSevere Thunderstorm WarningFFCMonroe33 min
Jun 30, 3:12 PM EDTSevere Thunderstorm WarningFFCSumter48 min
Jun 30, 3:23 PM EDTSevere Thunderstorm WarningFFCClayton, Henry, Spalding47 min
Jun 30, 3:25 PM EDTSevere Thunderstorm WarningFFCGilmer35 min
Jun 30, 3:27 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett48 min
Jun 30, 3:37 PM EDTSevere Thunderstorm WarningFFCButts, Newton48 min
Jun 30, 3:37 PM EDTSevere Thunderstorm WarningFFCRockdale48 min
Jun 30, 3:39 PM EDTSevere Thunderstorm WarningFFCDooly, Houston36 min
Jun 30, 3:41 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Taylor49 min
Jun 30, 3:53 PM EDTTornado WarningFFCDooly22 min
Jun 30, 3:57 PM EDTSevere Thunderstorm WarningFFCPulaski33 min
Jun 30, 4:10 PM EDTSevere Thunderstorm WarningFFCJasper35 min
Jun 30, 4:17 PM EDTSevere Thunderstorm WarningFFCMacon, Peach48 min
Jun 30, 4:20 PM EDTSevere Thunderstorm WarningFFCWalton50 min
Jun 30, 4:32 PM EDTSevere Thunderstorm WarningFFCMurray33 min
Jun 30, 4:37 PM EDTSevere Thunderstorm WarningFFCHouston, Pulaski33 min
Jun 30, 4:39 PM EDTSevere Thunderstorm WarningFFCBaldwin, Jones, Wilkinson51 min
Jun 30, 4:58 PM EDTSevere Thunderstorm WarningFFCTwiggs32 min
Jun 30, 5:02 PM EDTSevere Thunderstorm WarningFFCBleckley, Laurens33 min
Jun 30, 5:21 PM EDTSevere Thunderstorm WarningFFCGreene, Oglethorpe49 min
Jun 30, 5:36 PM EDTSevere Thunderstorm WarningFFCWashington34 min
Jun 30, 5:56 PM EDTSevere Thunderstorm WarningFFCWheeler34 min
Jun 30, 6:02 PM EDTSevere Thunderstorm WarningFFCBartow33 min
Jun 30, 7:13 PM EDTSevere Thunderstorm WarningFFCCobb32 min
Jun 30, 7:46 PM EDTSevere Thunderstorm WarningFFCCobb34 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.