Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 627, NWS Atlanta, GA

June 9, 1998Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 9, 1998, 7:45 PM EDT for Polk County, Georgia. It was in force for 35 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
Jun 9, 1998, 7:45 PM EDT (23:45 UTC)
Expired
Jun 9, 1998, 8:20 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Polk County, GA

The radar

The Atlanta radar (KFFC), 91 km from the middle of the area, began a volume at 23:36 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
Jun 9, 8:05 PM EDTThunderstorm WindAragon, GAPolk county 911 reported trees down on houses and cars and across roads. Power lines were also knocked down.

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, 11.8 hours before the alert went out and 95 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 1998-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.19395878Sfc1 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
986 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
221 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.

830 
WUUS1 KATL 092347
SVRATL
GAC233-100020-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
745 PM EDT TUE JUN 9 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 820 PM EDT

* AT 745 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  4 MILES NORTHWEST OF SENEY MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   SENEY                       AROUND 750 PM EDT
   FISH CREEK                  AROUND 800 PM EDT
   ARAGON                      AROUND 800 PM EDT
   ROCKMART                    AROUND 805 PM EDT
   VAN WERT                    AROUND 810 PM EDT



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.


KDF/TSM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 3:26 PM EDTSevere Thunderstorm WarningFFCTowns, Union, White49 min
Jun 9, 5:55 PM EDTSevere Thunderstorm WarningFFCJackson, Madison45 min
Jun 9, 6:08 PM EDTSevere Thunderstorm WarningFFCOglethorpe47 min
Jun 9, 6:38 PM EDTSevere Thunderstorm WarningFFCChattooga47 min
Jun 9, 7:12 PM EDTSevere Thunderstorm WarningFFCFloyd48 min
Jun 9, 7:47 PM EDTSevere Thunderstorm WarningFFCWarren33 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.