Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 249, NWS Atlanta, GA

April 21, 1998Jasper County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 21, 1998, 5:26 PM EDT for Jasper 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
Apr 21, 1998, 5:26 PM EDT (21:26 UTC)
Expired
Apr 21, 1998, 6:00 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Jasper County, GA

What was reported inside it

TimeReportWhereRemark
Apr 21, 6:00 PM EDTHail 1Monticello, GA

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, 9.4 hours before the alert went out and 76 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 1998-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1998-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897Sfc1 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
1015 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
123 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 212126 RRA
SVRATL
GAC159-212200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
526 PM EDT TUE APR 21 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 600 PM EDT


* AT 525 PM EDT...  9 MILES NORTHWEST OF MONTICELLO... A SEVERE
  THUNDERSTORM WAS INDICATED BY DOPPLER RADAR... MOVING NORTHEAST
  15 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.


WS/MPM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 4:23 PM EDTSevere Thunderstorm WarningFFCMorgan32 min
Apr 21, 4:51 PM EDTSevere Thunderstorm WarningFFCWalton34 min
Apr 21, 5:39 PM EDTSevere Thunderstorm WarningFFCForsyth, Gwinnett, Hall46 min
Apr 21, 5:39 PM EDTSevere Thunderstorm WarningFFCFulton46 min
Apr 21, 5:59 PM EDTSevere Thunderstorm WarningFFCJasper, Putnam51 min
Apr 21, 6:09 PM EDTSevere Thunderstorm WarningFFCMorgan31 min
Apr 21, 6:50 PM EDTSevere Thunderstorm WarningFFCJasper, Putnam50 min
Apr 21, 7:00 PM EDTSevere Thunderstorm WarningFFCGreene35 min
Apr 21, 7:23 PM EDTSevere Thunderstorm WarningFFCBaldwin, Jones47 min
Apr 21, 7:47 PM EDTSevere Thunderstorm WarningFFCHancock, Putnam48 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.