Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 514, NWS Atlanta, GA

May 10, 1998Wilkes County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 10, 1998, 3:27 PM EDT for Wilkes County, Georgia. It was in force for 33 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
May 10, 1998, 3:27 PM EDT (19:27 UTC)
Expired
May 10, 1998, 4:00 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Wilkes County, GA

The radar

The Greer radar (KGSP), 132 km from the middle of the area, began a volume at 19:29 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 169 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 1998-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 619 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 1998-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
619 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 101927 RRA
SVRATL
GAC317-102000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
327 PM EDT SUN MAY 10 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 326 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  5 MILES NORTHWEST OF AONIA MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   AONIA                       AROUND 340 PM EDT



SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD. IF YOU EXPERIENCE STORM DAMAGE TO
STRUCTURES OR TREES...OR HAIL THE SIZE OF DIMES ORl LARGER...PLEASE
REPORT IT TO THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.

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, May 10, 11:30 AM EDT, 3 hours 57 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-110000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK...CORRECTION...
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1130 AM EDT SUN MAY 10 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF
NORTH AND CENTRAL GEORGIA TODAY. THE SLIGHT RISK AREA IS GENERALLY
SOUTH AND EAST OF A LINE FROM BLUE RIDGE IN FANNIN COUNTY TO ROME IN
FLOYD  COUNTY.

AN AREA OF LOW PRESSURE AT THE SURFACE WILL MOVE ACROSS NORTH GEORGIA
TO BE IN SOUTH CAROLINA BY THIS EVENING. AN ASSOCIATED COLD FRONT
WILL SWEEP ACROSS THE STATE TODAY.  VERY MOIST AND UNSTABLE AIR
AHEAD OF THE FRONT WILL PROVIDE THE NECESSARY INGREDIENTS FOR
FOR THE POSSIBLE DEVELOPMENT OF SEVERE STORMS. LARGE HAIL AND
DAMAGING WIND GUST ARE POSSIBLE WITH THE STORMS.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND
CENTRAL GEORGIA SHOULD MONITOR LOCAL WEATHER CONDITIONS AND BE READY
FOR POSSIBLE ACTIVATION.
Special weather statement, May 10, 11:30 AM EDT, 3 hours 57 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-110000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK...CORRECTION...
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1130 AM EDT SUN MAY 10 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF
NORTH AND CENTRAL GEORGIA TODAY. THE SLIGHT RISK AREA IS GENERALLY
SOUTH AND EAST OF A LINE FROM BLUE RIDGE IN FANNIN COUNTY TO ROME IN
FLOYD  COUNTY.

AN AREA OF LOW PRESSURE AT THE SURFACE WILL MOVE ACROSS NORTH GEORGIA
TO BE IN SOUTH CAROLINA BY THIS EVENING. AN ASSOCIATED COLD FRONT
WILL SWEEP ACROSS THE STATE TODAY.  VERY MOIST AND UNSTABLE AIR
AHEAD OF THE FRONT WILL PROVIDE THE NECESSARY INGREDIENTS FOR
FOR THE POSSIBLE DEVELOPMENT OF SEVERE STORMS. LARGE HAIL AND
DAMAGING WIND GUST ARE POSSIBLE WITH THE STORMS.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND
CENTRAL GEORGIA SHOULD MONITOR LOCAL WEATHER CONDITIONS AND BE READY
FOR POSSIBLE ACTIVATION.
Local storm report, May 10, 11:38 AM EDT, 3 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1138 AM EDT SUN MAY 10 1998

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

945 AM     HELEN                     GA   1.00 INCH HAIL
5/10/98    WHITE                          DIME TO QUARTER
                                          SIZE HAIL REPORTED
                                          BY WHITE COUNTY 911.
Local storm report, May 10, 11:38 AM EDT, 3 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1138 AM EDT SUN MAY 10 1998

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

945 AM     HELEN                     GA   1.00 INCH HAIL
5/10/98    WHITE                          DIME TO QUARTER
                                          SIZE HAIL REPORTED
                                          BY WHITE COUNTY 911.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 12:04 AM EDTSevere Thunderstorm WarningFFCBartow, Paulding, Polk36 min
May 10, 12:25 AM EDTSevere Thunderstorm WarningFFCCobb35 min
May 10, 12:42 AM EDTSevere Thunderstorm WarningFFCCherokee, Fulton33 min
May 10, 12:45 AM EDTSevere Thunderstorm WarningFFCCarroll35 min
May 10, 12:51 AM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett34 min
May 10, 12:51 AM EDTSevere Thunderstorm WarningFFCForsyth34 min
May 10, 1:08 AM EDTSevere Thunderstorm WarningFFCDouglas, Fulton52 min
May 10, 1:12 AM EDTSevere Thunderstorm WarningFFCBarrow, Hall, Jackson33 min
May 10, 2:33 AM EDTSevere Thunderstorm WarningFFCCobb, Fulton32 min
May 10, 3:00 AM EDTSevere Thunderstorm WarningFFCPaulding35 min
May 10, 3:19 AM EDTSevere Thunderstorm WarningFFCHaralson, Polk36 min
May 10, 3:40 AM EDTSevere Thunderstorm WarningFFCCobb, Fulton35 min
May 10, 4:11 AM EDTSevere Thunderstorm WarningFFCDeKalb34 min
May 10, 4:13 AM EDTSevere Thunderstorm WarningFFCGwinnett32 min
May 10, 5:06 AM EDTSevere Thunderstorm WarningFFCOconee, Walton49 min
May 10, 5:51 AM EDTSevere Thunderstorm WarningFFCGreene, Morgan49 min
May 10, 6:45 AM EDTSevere Thunderstorm WarningFFCTaliaferro, Wilkes35 min
May 10, 8:19 AM EDTSevere Thunderstorm WarningFFCHarris, Troup36 min
May 10, 9:45 AM EDTSevere Thunderstorm WarningFFCWhite20 min
May 10, 12:35 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington35 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; radar from the NEXRAD Level II archive.