Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 35, NWS Atlanta, GA

February 17, 1998Walton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 17, 1998, 9:08 AM EST for Walton County, Georgia. It was in force for 37 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
Feb 17, 1998, 9:08 AM EST (14:08 UTC)
Expired
Feb 17, 1998, 9:45 AM EST
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Walton County, GA

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 17, 6:15 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.1 hours before the alert went out and 84 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 1998-02-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1998-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 626 square meters per square second.1939587897117Sfc1 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
92 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
626 m²/s²
0-3 km storm-relative helicity
581 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

621 
WUUS1 KATL 171409 RRA
SVRATL
GAC297-171445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
908 AM EST TUE FEB 17 1998
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST GEORGIA
 
   ...WALTON COUNTY
 
AT 9:07 AM A SEVERE THUNDERSTORM WAS LOCATED JUST SOUTH OF LOGANVILLE
MOVING NORTHEAST AT 45 MILES AN HOUR. THIS WILL TAKE THE STORM BETWEEN
LOGANVILLE AND MONROE BY 9:30 AM. NUMEROUS REPORTS OF HAIL HAVE BEEN
RECEIVED FROM CONYERS.
 
 
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.

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, Feb 17, 3:50 AM EST, 5 hours 18 minutes before
GAZ001>166-170850

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
350 AM EST TUE FEB 17 1998

TORNADO WATCH 41 FOR SOUTHEAST GEORGIA HAS BEEN CANCELLED.
NO SEVERE WEATHER IS OCCURRING IN THIS AREA. SCATTERED THUNDERSTORMS
WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE REMAINDER OF THE
NIGHT... BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE.
Local storm report, Feb 17, 6:50 AM EST, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
650 AM EST TUE FEB 17 1998

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0555 AM    I-85 IN COWETA COUNTY     GA   0.25 inch hail
2/17/98    COWETA                         PEA SIZE HAIL

0610 AM    CARROLL COUNTY            GA   0.75 inch hail
2/17/98    CARROLL                        DIME SIZE HAIL

0545 AM    FRANKLIN                  GA   0.75 inch hail
2/17/98    HEARD                          DIME SIZE HAIL

0625 AM    ROCKMART                  GA   0.75 inch hail
2/17/98    POLK                           DIME SIZE HAIL
Local storm report, Feb 17, 6:50 AM EST, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
650 AM EST TUE FEB 17 1998

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0555 AM    I-85 IN COWETA COUNTY     GA   0.25 inch hail
2/17/98    COWETA                         PEA SIZE HAIL

0610 AM    CARROLL COUNTY            GA   0.75 inch hail
2/17/98    CARROLL                        DIME SIZE HAIL

0545 AM    FRANKLIN                  GA   0.75 inch hail
2/17/98    HEARD                          DIME SIZE HAIL

0625 AM    ROCKMART                  GA   0.75 inch hail
2/17/98    POLK                           DIME SIZE HAIL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 5:29 AM ESTSevere Thunderstorm WarningFFCHeard31 min
Feb 17, 5:46 AM ESTSevere Thunderstorm WarningFFCCarroll29 min
Feb 17, 6:17 AM ESTSevere Thunderstorm WarningFFCPolk58 min
Feb 17, 7:46 AM ESTSevere Thunderstorm WarningFFCCobb, Fulton44 min
Feb 17, 8:17 AM ESTSevere Thunderstorm WarningFFCDeKalb28 min
Feb 17, 8:27 AM ESTSevere Thunderstorm WarningFFCClayton, Henry, Rockdale33 min
Feb 17, 8:27 AM ESTSevere Thunderstorm WarningFFCGwinnett33 min
Feb 17, 8:35 AM ESTSevere Thunderstorm WarningFFCLumpkin25 min
Feb 17, 8:42 AM ESTSevere Thunderstorm WarningFFCHall33 min
Feb 17, 8:44 AM ESTSevere Thunderstorm WarningFFCSpalding31 min
Feb 17, 8:50 AM ESTSevere Thunderstorm WarningFFCBanks, Jackson25 min
Feb 17, 8:50 AM ESTSevere Thunderstorm WarningFFCBarrow25 min
Feb 17, 8:59 AM ESTSevere Thunderstorm WarningFFCNewton, Rockdale31 min
Feb 17, 10:07 AM ESTSevere Thunderstorm WarningFFCOglethorpe38 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; the sounding from the Mesonet's radiosonde archive.