Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 858, NWS Atlanta, GA

July 20, 1998Lamar County, Pike County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 1998, 5:53 PM EDT for Lamar County, Pike County, Georgia. It was in force for 32 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, 5:53 PM EDT (21:53 UTC)
Expired
Jul 20, 1998, 6:25 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Lamar County, GA, Pike County, GA

The radar

The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 21:56 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, 6:15 PM EDTThunderstorm WindAldora, GAA slow moving thunderstorm continued to produce damaging winds over Lamar county. High winds caused a tractor-trailer to jacknife and overturn at Aldora near the intersection of highways 341 and 18. Road signs were twisted and nearly toppled. Several people in

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, 9.9 hours before the alert went out and 39 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.

828 
WUUS1 KATL 202155 RRA
SVRATL
GAC171-231-202225-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAMAR COUNTY IN WEST CENTRAL GEORGIA
  PIKE COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 625 PM EDT

* AT 519 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  13 MILES EAST OF EATONTON MOVING SOUTHWEST AT LESS THAN 5
  MPH.


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.

KM/TSM

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, 12:01 PM EDT, 5 hours 52 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, 5 hours 28 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, 5:59 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, 6:27 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; radar from the NEXRAD Level II archive.