Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 860, NWS Atlanta, GA

July 20, 1998Morgan County, Putnam County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 1998, 6:16 PM EDT for Morgan County, Putnam County, Georgia. It was in force for 34 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, 6:16 PM EDT (22:16 UTC)
Expired
Jul 20, 1998, 6:50 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Morgan County, GA, Putnam County, GA

What was reported inside it

TimeReportWhereRemark
Jul 20, 6:35 PM EDTThunderstorm WindEatonton, GAThe Eatonton fire department reported large limbs were blown down and blocked traffic.

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, 10.3 hours before the alert went out and 100 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.

016 
WUUS1 KATL 202218 RRA
SVRATL
GAC211-237-202250-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORGAN COUNTY IN NORTHEASTERN GEORGIA
  PUTNAM COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 650 PM EDT

* AT 615 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  8 MILES NORTH OF EATONTON MOVING NORTHEAST AT 5 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   ROCK EAGLE 4-H CENTER       AROUND 615 PM EDT
   RUDDEN                      AROUND 640 PM EDT

WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS
DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. IF BOATING OR
SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN
FIND A LOW SPOT AWAY FROM TREES...FENCES...AND POLES. 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.

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

Special weather statement, Jul 20, 12:25 PM EDT, 5 hours 51 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.

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, 6:18 PM EDTSevere Thunderstorm WarningFFCHeard37 min
Jul 20, 6:27 PM EDTSevere Thunderstorm WarningFFCJasper, Newton33 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.