Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 232, NWS Atlanta, GA

April 17, 1998Marion County, Webster County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 17, 1998, 9:11 PM EDT for Marion County, Webster County, Georgia. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 17, 1998, 9:11 PM EDT (01:11 UTC)
Expired: Apr 17, 1998, 10:00 PM EDT
In force: 49 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Marion County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 120 km from the middle of the area, began a volume at 01:13 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 17, 7:30 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.2 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 7 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1346 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

302 
WUUS1 KATL 180112 RRA
SVRATL
GAC197-307-180200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
911 PM EDT FRI APR 17 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARION COUNTY IN WEST CENTRAL GEORGIA
  WEBSTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1000 PM EDT

* SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
   DRANEVILLE                  AROUND 920 PM EDT
   DOYLE                       AROUND 930 PM EDT
   PUTNAM                      AROUND 930 PM EDT

* AT 908 PM EDT...  4 MILES WEST OF PRESTON... A SEVERE
  THUNDERSTORM WAS INDICATED BY DOPPLER RADAR... MOVING NORTHEAST
  30 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.


PAH/MTL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 8:07 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	33 min
Apr 17, 8:38 PM EDT	Severe Thunderstorm Warning	FFC	Marion, Webster	32 min
Apr 17, 9:17 PM EDT	Severe Thunderstorm Warning	FFC	Schley	33 min
Apr 17, 9:41 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	34 min
Apr 17, 10:07 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	48 min
Apr 17, 10:51 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Houston, Pulaski	34 min
Apr 17, 11:06 PM EDT	Tornado Warning	FFC	Bleckley	34 min
Apr 17, 11:28 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	32 min
Apr 17, 11:40 PM EDT	Tornado Warning	FFC	Laurens	35 min
Apr 18, 12:00 AM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	35 min
Apr 18, 12:04 AM EDT	Severe Thunderstorm Warning	FFC	Johnson	21 min
Apr 18, 12:23 AM EDT	Severe Thunderstorm Warning	FFC	Jefferson	17 min
Apr 18, 12:35 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel	20 min
Apr 18, 7:23 PM EDT	Tornado Warning	FFC	Floyd	32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.