Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 841, NWS Atlanta, GA

July 20, 1998Dawson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 1998, 2:39 PM EDT for Dawson 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: Jul 20, 1998, 2:39 PM EDT (18:39 UTC)
Expired: Jul 20, 1998, 3:15 PM EDT
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Dawson County, GA

The radar

The Atlanta radar (KFFC), 126 km from the middle of the area, began a volume at 18:43 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.

What was reported inside it

Time	Report	Where	Remark
Jul 20, 2:44 PM EDT	Thunderstorm Wind	Dawsonville, GA	Dawson county 911 reported several trees down and power outages.

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, 6.7 hours before the alert went out and 123 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: 304 J/kg
Mixed-layer CIN: -193 J/kg
Mixed-layer LCL: 1130 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -14 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.

457 
WUUS1 KATL 201840 RRA
SVRATL
GAC085-201915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
239 PM EDT MON JUL 20 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 238 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  IN THE VICINITY OF DAWSONVILLE MOVING SOUTHWEST AT 5 MPH.




DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE
AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. BOATERS...GOLFERS...
AND OTHERS INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER
IMMEDIATELY. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR
TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO
THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.

BS/ML

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, Jul 20, 11:00 AM EDT, 3 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT...UPDATED TO ADD CHEROKEE COUNTY
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1100 AM EDT MON JUL 20 1998

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

1020 PM    WARNER ROBINS             GA   WIND DAMAGE
7/19/98    HOUSTON                        TREES DOWN

1005 PM    NORTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    MONROE                         TREES DOWN
                                          NUMEROUS POWER OUTAGES.

1030 PM    NORTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    CLARKE                         TREES DOWN

1000 PM    SOUTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    JACKSON                        TREES DOWN

1053 PM    SOUTH PORTI0N             GA   WIND DAMAGE
7/19/98    FULTON                         TREES DOWN

1130 PM                              GA   WIND DAMAGE
7/19/98    MORGAN                         TREES DOWN

930-10 PM  LOVEJOY                   GA   1.75 INCH HAIL
7/19/98    CLAYTON                        TREES DOWN

800 PM     COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILKINSON                      TREES DOWN
                                          POWER LINES DOWN

8-830 PM   COUNTY WIDE               GA   WIND DAMAGE
7/19/98    CHATTOOGA                      TREES DOWN
                                          POWER LINES DOWN

730 PM     COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILCOX                         TREES DOWN
                                          POWER OUTAGES.

8-830 PM   COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILCOX                         MORE TREES DOWN
                                          MORE POWER OUTAGES.

625 PM     3 W RHINE                 GA   WIND DAMAGE
7/19/98    DODGE                          SEVERAL TREES BLOWN DOWN

1214 AM    RIVERDALE                 GA   NICKEL SIZE HAIL
7/20/98    CLAYTON

1215 AM    3 N RIVERDALE             GA   0.75 INCH HAIL
7/20/98    CLAYTON

830 PM                               GA   WIND DAMAGE
7/19/98    WALKER                         TREES DOWN COUNTYWIDE

117 AM     2 NW AUSTELL              GA   1.00 INCH HAIL
7/20/98    COBB                           DIME TO QUARTER SIZE HAIL
                                          COVERING THE GROUND

120 AM     SW MARIETTA               GA   1.00 INCH HAIL
7/20/98    COBB

125 AM     NW MARIETTA               GA   2.75 INCH HAIL
7/20/98    COBB                           GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED

125 AM     W MARIETTA                GA   0.75 INCH HAIL
7/20/98    COBB                           LOTS OF HAIL DIME SIZE OR
                                          LARGER/LARGE TREE DOWN

800-820    3 W WOODSTOCK             GA   1.00-INCH HAIL
PM         CHEROKEE                       STRAIGHT-LINE WIND DAMAGE
7/19/98                                   ALONG A 1/4-MILE PATH.
                                          NUMEROUS LARGE TREES DOWN
                                          AND ROOF DAMAGE.

Local storm report, Jul 20, 11:00 AM EDT, 3 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT...UPDATED TO ADD CHEROKEE COUNTY
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1100 AM EDT MON JUL 20 1998

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

1020 PM    WARNER ROBINS             GA   WIND DAMAGE
7/19/98    HOUSTON                        TREES DOWN

1005 PM    NORTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    MONROE                         TREES DOWN
                                          NUMEROUS POWER OUTAGES.

1030 PM    NORTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    CLARKE                         TREES DOWN

1000 PM    SOUTH HALF OF COUNTY      GA   WIND DAMAGE
7/19/98    JACKSON                        TREES DOWN

1053 PM    SOUTH PORTI0N             GA   WIND DAMAGE
7/19/98    FULTON                         TREES DOWN

1130 PM                              GA   WIND DAMAGE
7/19/98    MORGAN                         TREES DOWN

930-10 PM  LOVEJOY                   GA   1.75 INCH HAIL
7/19/98    CLAYTON                        TREES DOWN

800 PM     COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILKINSON                      TREES DOWN
                                          POWER LINES DOWN

8-830 PM   COUNTY WIDE               GA   WIND DAMAGE
7/19/98    CHATTOOGA                      TREES DOWN
                                          POWER LINES DOWN

730 PM     COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILCOX                         TREES DOWN
                                          POWER OUTAGES.

8-830 PM   COUNTY WIDE               GA   WIND DAMAGE
7/19/98    WILCOX                         MORE TREES DOWN
                                          MORE POWER OUTAGES.

625 PM     3 W RHINE                 GA   WIND DAMAGE
7/19/98    DODGE                          SEVERAL TREES BLOWN DOWN

1214 AM    RIVERDALE                 GA   NICKEL SIZE HAIL
7/20/98    CLAYTON

1215 AM    3 N RIVERDALE             GA   0.75 INCH HAIL
7/20/98    CLAYTON

830 PM                               GA   WIND DAMAGE
7/19/98    WALKER                         TREES DOWN COUNTYWIDE

117 AM     2 NW AUSTELL              GA   1.00 INCH HAIL
7/20/98    COBB                           DIME TO QUARTER SIZE HAIL
                                          COVERING THE GROUND

120 AM     SW MARIETTA               GA   1.00 INCH HAIL
7/20/98    COBB

125 AM     NW MARIETTA               GA   2.75 INCH HAIL
7/20/98    COBB                           GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED

125 AM     W MARIETTA                GA   0.75 INCH HAIL
7/20/98    COBB                           LOTS OF HAIL DIME SIZE OR
                                          LARGER/LARGE TREE DOWN

800-820    3 W WOODSTOCK             GA   1.00-INCH HAIL
PM         CHEROKEE                       STRAIGHT-LINE WIND DAMAGE
7/19/98                                   ALONG A 1/4-MILE PATH.
                                          NUMEROUS LARGE TREES DOWN
                                          AND ROOF DAMAGE.

Local storm report, Jul 20, 12:01 PM EDT, 2 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1201 PM EDT MON JUL 20 1998

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

910 PM     WARNER ROBINS             GA   WIND DAMAGE
7/20/98    HOUSTON                        TREES DOWN...POWER LINES DOWN
                                          ...DIME SIZE HAIL

540 PM     3 W EATONTON              GA   WIND DAMAGE
7/20/98    PUTNAM                         SEVERAL POWER LINES BLOWN DOWN

635 PM     EATONTON                  GA   WIND DAMAGE
7/20/98    PUTNAM                         LARGE LIMBS DOWN ON ROADS
                                          BLOCKING TRAFFIC

600 PM     NW PORTION OF CO.         GA   WIND DAMAGE
7/20/98    BALDWIN                        FEW TREES DOWN KNOCKING DOWN
                                          POWER LINES

615 PM     NEAR MILNER AND ALDORA    GA   WIND DAMAGE
7/20/98    LAMAR                          HIGH WINDS FLIPPED 18 WHEELER
                                          AT ALDORA. SEVERAL TREES DOWN
                                          NEAR MILNER

715 PM     COUNTYWIDE                GA   WIND DAMAGE
7/20/98    JASPER                         TREES DOWN ON HWY 6 BETWEEN
                                          MONTICELLO AND JACKSON AND HWY
                                          11 BETWEEN MONTICELLO AND
                                          COVINGTON. ALSO TREES DOWN ON
                                          SEVERAL BACK ROADS

Special weather statement, Jul 20, 12:25 PM EDT, 2 hours 14 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-202000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1225 PM EDT MON JUL 20 1998

WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON OVER NORTH
AND CENTRAL GEORGIA AFTER 3 PM AS AN UPPER LEVEL DISTURBANCE REMAINS
IN PLACE OVER THE STATE.

ALTHOUGH NORTH AND CENTRAL GEORGIA ARE NOT UNDER A RISK OF SEVERE
THUNDERSTORMS TODAY...WE CANNOT RULE OUT ISOLATED OCCURRENCES OF LARGE
HAIL AND DAMAGING WINDS WITH A FEW OF THE STRONGER THUNDERSTORMS THAT
DEVELOP AND PERSIST INTO EARLY EVENING.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PEOPLE IN NORTH AND CENTRAL
GEORGIA SHOULD MONITOR WEATHER CONDITIONS...BUT SPOTTER ACTIVATION
IS NOT ANTICIPATED AT THIS TIME.

WRS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 8:05 PM EDT	Severe Thunderstorm Warning	FFC	Cobb	50 min
Jul 19, 8:38 PM EDT	Severe Thunderstorm Warning	FFC	Hall	32 min
Jul 19, 8:45 PM EDT	Severe Thunderstorm Warning	FFC	Wilkinson	35 min
Jul 19, 8:56 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Henry	34 min
Jul 19, 8:58 PM EDT	Severe Thunderstorm Warning	FFC	Madison	32 min
Jul 19, 9:28 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Henry	32 min
Jul 19, 9:32 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	33 min
Jul 19, 9:49 PM EDT	Severe Thunderstorm Warning	FFC	Houston	36 min
Jul 19, 9:59 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Jackson	36 min
Jul 19, 10:02 PM EDT	Severe Thunderstorm Warning	FFC	Clayton	33 min
Jul 19, 10:03 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	37 min
Jul 19, 10:10 PM EDT	Severe Thunderstorm Warning	FFC	Fayette, Fulton	35 min
Jul 19, 10:17 PM EDT	Severe Thunderstorm Warning	FFC	Peach	33 min
Jul 19, 10:27 PM EDT	Severe Thunderstorm Warning	FFC	Lamar	33 min
Jul 19, 10:55 PM EDT	Severe Thunderstorm Warning	FFC	Spalding	35 min
Jul 19, 11:12 PM EDT	Severe Thunderstorm Warning	FFC	Morgan	33 min
Jul 20, 12:12 AM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette	33 min
Jul 20, 12:51 AM EDT	Severe Thunderstorm Warning	FFC	Fulton	34 min
Jul 20, 1:11 AM EDT	Severe Thunderstorm Warning	FFC	Cobb	34 min
Jul 20, 1:56 AM EDT	Severe Thunderstorm Warning	FFC	Carroll, Fulton	34 min
Jul 20, 2:50 PM EDT	Severe Thunderstorm Warning	FFC	Hall	35 min
Jul 20, 2:57 PM EDT	Severe Thunderstorm Warning	FFC	Dade	33 min
Jul 20, 3:07 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Forsyth	33 min
Jul 20, 3:10 PM EDT	Severe Thunderstorm Warning	FFC	Banks	35 min
Jul 20, 3:38 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley	32 min
Jul 20, 4:13 PM EDT	Severe Thunderstorm Warning	FFC	Dodge	32 min
Jul 20, 4:26 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Douglas	34 min
Jul 20, 4:42 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	33 min
Jul 20, 4:46 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	34 min
Jul 20, 4:55 PM EDT	Severe Thunderstorm Warning	FFC	Hancock	35 min
Jul 20, 4:57 PM EDT	Severe Thunderstorm Warning	FFC	Harris	33 min
Jul 20, 5:07 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Douglas	33 min
Jul 20, 5:14 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	36 min
Jul 20, 5:15 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe	35 min
Jul 20, 5:20 PM EDT	Severe Thunderstorm Warning	FFC	Putnam	35 min
Jul 20, 5:45 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin	35 min
Jul 20, 5:53 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Pike	32 min
Jul 20, 5:59 PM EDT	Severe Thunderstorm Warning	FFC	Washington	36 min
Jul 20, 6:16 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Putnam	34 min
Jul 20, 6:18 PM EDT	Severe Thunderstorm Warning	FFC	Heard	37 min
Jul 20, 6:27 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Newton	33 min
Jul 20, 6:36 PM EDT	Severe Thunderstorm Warning	FFC	Macon, Peach	34 min
Jul 20, 6:44 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	36 min
Jul 20, 6:45 PM EDT	Severe Thunderstorm Warning	FFC	Fayette	35 min
Jul 20, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	34 min
Jul 20, 7:36 PM EDT	Severe Thunderstorm Warning	FFC	Taylor	34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.