Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 623, NWS Atlanta, GA

August 20, 1999Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 1999, 4:36 AM EDT for Washington County, Georgia. It was in force for 34 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 20, 1999, 4:36 AM EDT (08:36 UTC)
Expired
Aug 20, 1999, 5:10 AM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Washington County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.6 hours before the alert went out and 165 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 00:00Z on 1999-08-20Temperature 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 00:00Z on 1999-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.193958Sfc1 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
3343 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
13 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 200836 RRA
SVRATL
GAC303-200910-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
436 AM EDT FRI AUG 20 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 510 AM EDT

* AT 435 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  14 MILES NORTHEAST OF SANDERSVILLE OR 9 MILES NORTH OF
  DAVISBORO... MOVING NORTHEAST AT 30 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, Aug 19, 10:47 PM EDT, 5 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
901 PM EDT THU AUG 19 1999

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

230 PM     REYNOLDS                  GA   0.75 INCH HAIL
08/19/99   TAYLOR                         CONSIDERABLE AMOUNT OF
                                          HAIL DIME SIZE AND SMALLER.
                                          SMALL TREE LIMBS DOWN.

300 PM     2 N OGLETHORPE            GA   1.00 INCH HAIL
08/19/99   MACON                          NICKEL TO QUARTER SIZE HAIL.
                                          POWER LINES DOWN.

350 PM     WARNER ROBBINS            GA   1.00 INCH HAIL
08/19/99   HOUSTON                        CONSIDERABLE AMOUNT OF HAIL
                                          QUARTER SIZE AND SMALLER.

403 PM     WARNER ROBBINS            GA   WIND GUST
08/19/99   HOUSTON                        WIND GUST TO 44 KTS REPORTED
                                          BY WARNER ROBBINS AFB.

405 PM     WARNER ROBBINS            GA   1.75 INCH HAIL
08/19/99   HOUSTON                        GOLFBALL SIZE HAIL.  TREES
                                          AND POWER LINES DOWN.

420 PM     5 W SANDERSVILLE          GA   WIND DAMAGE
08/19/99   WASHINGTON                     TREE DOWN ON HIGHWAY 24.

445 PM     ADRIAN                    GA   1.25 INCH HAIL
08/19/99   EMANUEL                        QUARTER TO HALF DOLLAR SIZE HAIL.

502 PM     DUBLIN                    GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER SIZE HAIL AND TREES DOWN.

510 PM     WRENS                     GA   WIND DAMAGE
08/19/99   JEFFERSON                      TREES AND POWER LINES DOWN.

515 PM     EAST DUBLIN               GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER SIZE HAIL AND TREES DOWN.

530 PM     DUBLIN                    GA   1.75 INCH HAIL
08/19/99   LAURENS                        GOLFBALL SIZE HAIL FROM
                                          DUBLIN TO DEXTER.

530 PM     SCOTT                     GA   WIND DAMAGE
08/19/99   JOHNSON                        TREE LIMBS DOWN ON POWER LINES.

540 PM     DUBLIN                    GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER TO HALF DOLLAR SIZE HAIL.
                                          STREET LIGHT DOWN IN TOWN.

605 PM     EAST DUBLIN               GA   1.00 INCH HAIL.
08/19/99   LAURENS                        DIME TO QUARTER SIZE HAIL FOR 30
                                          MINUTES.

627 PM     ROCHELLE                  GA   WIND DAMAGE
08/19/99   WILCOX                         ROOF TAKEN OFF A HOUSE.

724 PM     1 S MCRAE                 GA   0.75 INCH HAIL
08/19/99   TELFAIR                        QUARTER SIZE HAIL.

800 PM     MCRAE                     GA   WIND DAMAGE
08/19/99   TELFAIR                        CONSIDERABLE WIND DAMAGE BETWEEN
                                          730 PM AND 830 PM.
                                          BACK WALL OF EMPTY BUILDING BLOWN
                                          DOWN ON RAILROAD ST.  POWER LINES
                                          BLOWN DOWN ON WALTER BARRETT
                                          ROAD AND BRUCE ST...TREE DOWN ON A
                                          TRUCK ON FIRST AVE...AND A TREE
                                          DOWN ON COLLEGE ST.
Local storm report, Aug 19, 11:25 PM EDT, 5 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
901 PM EDT THU AUG 19 1999

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

230 PM     REYNOLDS                  GA   0.75 INCH HAIL
08/19/99   TAYLOR                         CONSIDERABLE AMOUNT OF
                                          HAIL DIME SIZE AND SMALLER.
                                          SMALL TREE LIMBS DOWN.

300 PM     2 N OGLETHORPE            GA   1.00 INCH HAIL
08/19/99   MACON                          NICKEL TO QUARTER SIZE HAIL.
                                          POWER LINES DOWN.

350 PM     WARNER ROBBINS            GA   1.00 INCH HAIL
08/19/99   HOUSTON                        CONSIDERABLE AMOUNT OF HAIL
                                          QUARTER SIZE AND SMALLER.
400 PM     6 W WARNER ROBBINS        GA   1.75 INCH HAIL
08/19/99   HOUSTON                        GOLFBALL SIZE HAIL.

403 PM     WARNER ROBBINS            GA   WIND GUST
08/19/99   HOUSTON                        WIND GUST TO 44 KTS REPORTED
                                          BY WARNER ROBBINS AFB.

405 PM     WARNER ROBBINS            GA   1.75 INCH HAIL
08/19/99   HOUSTON                        GOLFBALL SIZE HAIL.  TREES
                                          AND POWER LINES DOWN.

420 PM     5 W SANDERSVILLE          GA   WIND DAMAGE
08/19/99   WASHINGTON                     TREE DOWN ON HIGHWAY 24.

445 PM     ADRIAN                    GA   1.25 INCH HAIL
08/19/99   EMANUEL                        QUARTER TO HALF DOLLAR SIZE HAIL.

502 PM     DUBLIN                    GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER SIZE HAIL AND TREES DOWN.

510 PM     WRENS                     GA   WIND DAMAGE
08/19/99   JEFFERSON                      TREES AND POWER LINES DOWN.
515 PM     EAST DUBLIN               GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER SIZE HAIL AND TREES DOWN.

530 PM     DUBLIN                    GA   1.75 INCH HAIL
08/19/99   LAURENS                        GOLFBALL SIZE HAIL FROM
                                          DUBLIN TO DEXTER.

530 PM     SCOTT                     GA   WIND DAMAGE
08/19/99   JOHNSON                        TREE LIMBS DOWN ON POWER LINES.

540 PM     DUBLIN                    GA   1.00 INCH HAIL
08/19/99   LAURENS                        QUARTER TO HALF DOLLAR SIZE HAIL.
                                          STREET LIGHT DOWN IN TOWN.

605 PM     EAST DUBLIN               GA   1.00 INCH HAIL.
08/19/99   LAURENS                        DIME TO QUARTER SIZE HAIL FOR 30
                                          MINUTES.

627 PM     ROCHELLE                  GA   WIND DAMAGE
08/19/99   WILCOX                         ROOF TAKEN OFF A HOUSE.

724 PM     1 S MCRAE                 GA   0.75 INCH HAIL
08/19/99   TELFAIR                        QUARTER SIZE HAIL.

800 PM     MCRAE                     GA   WIND DAMAGE
08/19/99   TELFAIR                        CONSIDERABLE WIND DAMAGE BETWEEN
                                          730 PM AND 830 PM.
                                          BACK WALL OF EMPTY BUILDING BLOWN
                                          DOWN ON RAILROAD ST.  POWER LINES
                                          BLOWN DOWN ON WALTER BARRETT
                                          ROAD AND BRUCE ST...TREE DOWN ON A
                                          TRUCK ON FIRST AVE...AND A TREE
                                          DOWN ON COLLEGE ST.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 2:19 AM EDTSevere Thunderstorm WarningFFCPaulding36 min
Aug 20, 2:49 AM EDTSevere Thunderstorm WarningFFCJefferson36 min
Aug 20, 5:11 AM EDTSevere Thunderstorm WarningFFCWashington34 min
Aug 20, 3:13 PM EDTSevere Thunderstorm WarningFFCPutnam37 min
Aug 20, 3:20 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
Aug 20, 4:00 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
Aug 20, 4:07 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Aug 20, 4:20 PM EDTSevere Thunderstorm WarningFFCJones35 min
Aug 20, 4:22 PM EDTSevere Thunderstorm WarningFFCHancock33 min
Aug 20, 4:43 PM EDTSevere Thunderstorm WarningFFCBibb17 min
Aug 20, 4:45 PM EDTSevere Thunderstorm WarningFFCDouglas, Fulton35 min
Aug 20, 4:47 PM EDTSevere Thunderstorm WarningFFCTwiggs33 min
Aug 20, 4:57 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Aug 20, 5:01 PM EDTSevere Thunderstorm WarningFFCBibb34 min
Aug 20, 5:04 PM EDTSevere Thunderstorm WarningFFCWilkinson36 min
Aug 20, 5:23 PM EDTSevere Thunderstorm WarningFFCTwiggs37 min
Aug 20, 5:36 PM EDTSevere Thunderstorm WarningFFCMadison34 min
Aug 20, 5:41 PM EDTSevere Thunderstorm WarningFFCJefferson, Johnson34 min
Aug 20, 5:47 PM EDTSevere Thunderstorm WarningFFCJackson33 min
Aug 20, 5:48 PM EDTSevere Thunderstorm WarningFFCEmanuel52 min
Aug 20, 5:57 PM EDTSevere Thunderstorm WarningFFCHouston, Peach33 min
Aug 20, 6:05 PM EDTSevere Thunderstorm WarningFFCJasper35 min
Aug 20, 6:28 PM EDTSevere Thunderstorm WarningFFCBleckley32 min
Aug 20, 6:31 PM EDTSevere Thunderstorm WarningFFCHouston19 min
Aug 20, 6:47 PM EDTSevere Thunderstorm WarningFFCButts, Jasper33 min
Aug 20, 6:50 PM EDTSevere Thunderstorm WarningFFCDodge35 min
Aug 20, 6:51 PM EDTSevere Thunderstorm WarningFFCClarke34 min
Aug 20, 6:52 PM EDTSevere Thunderstorm WarningFFCOglethorpe33 min
Aug 20, 6:53 PM EDTSevere Thunderstorm WarningFFCPutnam37 min
Aug 20, 7:26 PM EDTSevere Thunderstorm WarningFFCOglethorpe19 min
Aug 20, 7:28 PM EDTSevere Thunderstorm WarningFFCCrisp, Dooly32 min
Aug 20, 7:30 PM EDTSevere Thunderstorm WarningFFCWilcox35 min
Aug 20, 7:31 PM EDTSevere Thunderstorm WarningFFCClarke34 min
Aug 20, 7:42 PM EDTSevere Thunderstorm WarningFFCJackson18 min
Aug 20, 7:44 PM EDTSevere Thunderstorm WarningFFCMontgomery, Wheeler36 min
Aug 20, 7:52 PM EDTSevere Thunderstorm WarningFFCMadison18 min
Aug 20, 7:56 PM EDTSevere Thunderstorm WarningFFCTelfair34 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; the sounding from the Mesonet's radiosonde archive.