Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 862, NWS Atlanta, GA

July 20, 1998Jasper County, Newton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 1998, 6:27 PM EDT for Jasper County, Newton County, Georgia. It was in force for 33 min. 2 reports 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, 6:27 PM EDT (22:27 UTC)
Expired
Jul 20, 1998, 7:00 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Jasper County, GA, Newton County, GA

The radar

The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 22:34 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

TimeReportWhereRemark
Jul 20, 6:45 PM EDTThunderstorm WindMonticello, GAJasper county 911 reported trees were knocked down along highway 16 between Monticello and Jackson.
Jul 20, 7:01 PM EDTThunderstorm WindMonticello, GAJasper county 911 reported trees down along highway 11 and on some back roads.

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, 10.5 hours before the alert went out and 68 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 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 304 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 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
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.

126 
WUUS1 KATL 202229 RRA
SVRATL
GAC159-217-202300-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JASPER COUNTY IN NORTHEASTERN GEORGIA
  NEWTON COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 700 PM EDT

* AT 626 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  12 MILES SOUTHEAST OF COVINGTON MOVING WEST AT LESS THAN 5
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   NEWBORN                     AROUND 700 PM EDT



SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD. 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.

TM/ML

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:05 PM EDTSevere Thunderstorm WarningFFCCobb50 min
Jul 19, 8:38 PM EDTSevere Thunderstorm WarningFFCHall32 min
Jul 19, 8:45 PM EDTSevere Thunderstorm WarningFFCWilkinson35 min
Jul 19, 8:56 PM EDTSevere Thunderstorm WarningFFCDeKalb, Henry34 min
Jul 19, 8:58 PM EDTSevere Thunderstorm WarningFFCMadison32 min
Jul 19, 9:28 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Henry32 min
Jul 19, 9:32 PM EDTSevere Thunderstorm WarningFFCMonroe33 min
Jul 19, 9:49 PM EDTSevere Thunderstorm WarningFFCHouston36 min
Jul 19, 9:59 PM EDTSevere Thunderstorm WarningFFCClarke, Jackson36 min
Jul 19, 10:02 PM EDTSevere Thunderstorm WarningFFCClayton33 min
Jul 19, 10:03 PM EDTSevere Thunderstorm WarningFFCMonroe37 min
Jul 19, 10:10 PM EDTSevere Thunderstorm WarningFFCFayette, Fulton35 min
Jul 19, 10:17 PM EDTSevere Thunderstorm WarningFFCPeach33 min
Jul 19, 10:27 PM EDTSevere Thunderstorm WarningFFCLamar33 min
Jul 19, 10:55 PM EDTSevere Thunderstorm WarningFFCSpalding35 min
Jul 19, 11:12 PM EDTSevere Thunderstorm WarningFFCMorgan33 min
Jul 20, 12:12 AM EDTSevere Thunderstorm WarningFFCClayton, Fayette33 min
Jul 20, 12:51 AM EDTSevere Thunderstorm WarningFFCFulton34 min
Jul 20, 1:11 AM EDTSevere Thunderstorm WarningFFCCobb34 min
Jul 20, 1:56 AM EDTSevere Thunderstorm WarningFFCCarroll, Fulton34 min
Jul 20, 2:39 PM EDTSevere Thunderstorm WarningFFCDawson36 min
Jul 20, 2:50 PM EDTSevere Thunderstorm WarningFFCHall35 min
Jul 20, 2:57 PM EDTSevere Thunderstorm WarningFFCDade33 min
Jul 20, 3:07 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth33 min
Jul 20, 3:10 PM EDTSevere Thunderstorm WarningFFCBanks35 min
Jul 20, 3:38 PM EDTSevere Thunderstorm WarningFFCBleckley32 min
Jul 20, 4:13 PM EDTSevere Thunderstorm WarningFFCDodge32 min
Jul 20, 4:26 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas34 min
Jul 20, 4:42 PM EDTSevere Thunderstorm WarningFFCGwinnett33 min
Jul 20, 4:46 PM EDTSevere Thunderstorm WarningFFCLaurens34 min
Jul 20, 4:55 PM EDTSevere Thunderstorm WarningFFCHancock35 min
Jul 20, 4:57 PM EDTSevere Thunderstorm WarningFFCHarris33 min
Jul 20, 5:07 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas33 min
Jul 20, 5:14 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton36 min
Jul 20, 5:15 PM EDTSevere Thunderstorm WarningFFCLamar, Monroe35 min
Jul 20, 5:20 PM EDTSevere Thunderstorm WarningFFCPutnam35 min
Jul 20, 5:45 PM EDTSevere Thunderstorm WarningFFCBaldwin35 min
Jul 20, 5:53 PM EDTSevere Thunderstorm WarningFFCLamar, Pike32 min
Jul 20, 5:59 PM EDTSevere Thunderstorm WarningFFCWashington36 min
Jul 20, 6:16 PM EDTSevere Thunderstorm WarningFFCMorgan, Putnam34 min
Jul 20, 6:18 PM EDTSevere Thunderstorm WarningFFCHeard37 min
Jul 20, 6:36 PM EDTSevere Thunderstorm WarningFFCMacon, Peach34 min
Jul 20, 6:44 PM EDTSevere Thunderstorm WarningFFCCoweta36 min
Jul 20, 6:45 PM EDTSevere Thunderstorm WarningFFCFayette35 min
Jul 20, 7:01 PM EDTSevere Thunderstorm WarningFFCJasper34 min
Jul 20, 7:36 PM EDTSevere Thunderstorm WarningFFCTaylor34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every 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.