Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 402, NWS Atlanta, GA

May 7, 1998Clarke County, Jackson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1998, 11:04 AM EDT for Clarke County, Jackson County, Georgia. It was in force for 31 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
May 7, 1998, 11:04 AM EDT (15:04 UTC)
Expired
May 7, 1998, 11:35 AM EDT
In force
31 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Clarke County, GA, Jackson County, GA

What was reported inside it

TimeReportWhereRemark
May 7, 11:15 AM EDTHail 0.88Athens, 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, 3.1 hours before the alert went out and 121 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 1998-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 650 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 1998-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 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
650 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
-3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 071504 RRA
SVRATL
GAC059-157-071535-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1104 AM EDT THU MAY 7 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARKE COUNTY IN NORTHEASTERN GEORGIA
  JACKSON COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 1135 AM EDT

* AT 1101 AM EDT... PUBLIC REPORTED SEVERE WEATHER  8 MILES
  SOUTHWEST OF CENTER MOVING EAST AT 45 MPH. GOLF BALL SIZED HAIL
  WAS REPORTED IN ATHENS ALSO.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   CENTER                      AROUND 1110 AM EDT
   NICHOLSON                   AROUND 1110 AM EDT
   ATHENS                      AROUND 1110 AM EDT
   WHITEHALL                   AROUND 1110 AM EDT
   WINTERVILLE                 AROUND 1120 AM 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.

&
KWM/MSS

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 7, 6:15 AM EDT, 4 hours 49 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071635-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
615 AM EDT THU MAY 7 1998

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT OVER
NORTH AND CENTRAL GEORGIA.

A FRONTAL BOUNDARY LIFTING ACROSS WEST CENTRAL GEORGIA WILL PROVIDE A
FOCUS FOR THUNDERSTORM DEVELOPMENT TODAY. IN ADDITION.. STRONG UPPER
LEVEL DYNAMICS WILL PASS OVER NORTH AND CENTRAL GEORGIA THIS AFTERNOON
AND EVENING WHICH WILL FURTHER DESTABILIZE THE AIR OVER GEORGIA AND
INCREASE THE RISK OF SEVERE WEATHER.

THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. HOWVER TORNADOES
WILL ALSO BE POSSIBLE IN THIS EVENT.

EMERGENCY PERSONNEL AND SPOTTERS SHOULD KEEP ABREAST OF THE WEATHER
SITUATION TODAY SINCE ACTIVATION IS LIKELY.
Special weather statement, May 7, 6:15 AM EDT, 4 hours 49 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071635-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
615 AM EDT THU MAY 7 1998

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT OVER
NORTH AND CENTRAL GEORGIA.

A FRONTAL BOUNDARY LIFTING ACROSS WEST CENTRAL GEORGIA WILL PROVIDE A
FOCUS FOR THUNDERSTORM DEVELOPMENT TODAY. IN ADDITION.. STRONG UPPER
LEVEL DYNAMICS WILL PASS OVER NORTH AND CENTRAL GEORGIA THIS AFTERNOON
AND EVENING WHICH WILL FURTHER DESTABILIZE THE AIR OVER GEORGIA AND
INCREASE THE RISK OF SEVERE WEATHER.

THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. HOWVER TORNADOES
WILL ALSO BE POSSIBLE IN THIS EVENT.

EMERGENCY PERSONNEL AND SPOTTERS SHOULD KEEP ABREAST OF THE WEATHER
SITUATION TODAY SINCE ACTIVATION IS LIKELY.
Special weather statement, May 7, 7:15 AM EDT, 3 hours 49 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
715 AM EDT THU MAY 7 1998

...OUTBREAK OF SEVERE THUNDERSTORMS WITH TORNADOES...DAMAGING WINDS
AND LARGE HAIL EXPECTED FOR PARTS OF THE SOUTHEASTERN U.S. TODAY...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA IS FORECASTING
THE DEVELOPMENT OF SEVERE THUNDERSTORMS WITH A FEW INTENSE
TORNADOES...DAMAGING WINDS AND LARGE HAIL FOR PARTS OF THE
SOUTHEASTERN U.S THIS AFTERNOON INTO TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE:
SOUTHEAST TENNESSEE...NORTHEAST ALABAMA...NORTHERN GEORGIA...
WESTERN NORTH CAROLINA AND WESTERN AND CENTRAL SOUTH CAROLINA.

SEVERAL INGREDIENTS WILL BE IN PLACE FOR AN OUTBREAK OF SEVERE
THUNDERSTORMS IN PARTS OF THE SOUTHEAST THIS AFTERNOON AND EVENING.
A DEVELOPING LOW PRESSURE AREA OVER THE OHIO VALLEY IS PRODUCING A
STRONG SOUTHWESTERLY FLOW OF VERY MOIST UNSTABLE AIR TO MOVE ACROSS
THE SOUTHEAST U. S. TODAY. COUPLED WITH THIS IS AN UNSEASONABLY
STRONG UPPER LEVEL JET OF UP TO 150 MPH PLUS VERY FAVORABLE
VERTICAL WIND SHEAR PROFILES.  CURRENT SEVERE THUNDERSTORM ACTIVITY
MOVING ACROSS THE TENNESSEE VALLEY IS EXPECTED TO WEAKEN SOME THIS
MORNING BUT IN THE PROCESS WILL PROVIDE A SURFACE BOUNDARY TO FOCUS
DEVELOPMENT OF SEVERE STORMS AGAIN DURING THE HEAT OF THE
AFTERNOON.

ADDITIONAL THUNDERSTORMS SHOULD COMMENCE ACROSS PORTIONS OF EASTERN
TENNESSEE/NORTHERN ALABAMA AND GEORGIA THIS AFTERNOON...MOVING
RAPIDLY EAST AND SOUTHEAST INTO THE CAROLINAS AND CENTRAL GEORGIA
BY THIS EVENING.  GIVEN THE AMOUNT OF UNSTABLE AIR AND STRONG WIND
FIELDS AT ALL LEVELS...THESE STORMS ARE EXPECTED TO BE CAPABLE OF
PRODUCING WIDESPREAD LARGE HAIL AND DAMAGING WINDS ALONG WITH THE
POTENTIAL FOR SUPERCELLS AND A FEW INTENSE TORNADOS.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION.  THOSE IN THE
THREATENED AREAS ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES...
AND LISTEN TO RADIO...TV...OR NOAA WEATHER RADIO FOR LATER WATCHES
...WARNINGS AND STATEMENTS.
Special weather statement, May 7, 7:15 AM EDT, 3 hours 49 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
715 AM EDT THU MAY 7 1998

...OUTBREAK OF SEVERE THUNDERSTORMS WITH TORNADOES...DAMAGING WINDS
AND LARGE HAIL EXPECTED FOR PARTS OF THE SOUTHEASTERN U.S. TODAY...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA IS FORECASTING
THE DEVELOPMENT OF SEVERE THUNDERSTORMS WITH A FEW INTENSE
TORNADOES...DAMAGING WINDS AND LARGE HAIL FOR PARTS OF THE
SOUTHEASTERN U.S THIS AFTERNOON INTO TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE:
SOUTHEAST TENNESSEE...NORTHEAST ALABAMA...NORTHERN GEORGIA...
WESTERN NORTH CAROLINA AND WESTERN AND CENTRAL SOUTH CAROLINA.

SEVERAL INGREDIENTS WILL BE IN PLACE FOR AN OUTBREAK OF SEVERE
THUNDERSTORMS IN PARTS OF THE SOUTHEAST THIS AFTERNOON AND EVENING.
A DEVELOPING LOW PRESSURE AREA OVER THE OHIO VALLEY IS PRODUCING A
STRONG SOUTHWESTERLY FLOW OF VERY MOIST UNSTABLE AIR TO MOVE ACROSS
THE SOUTHEAST U. S. TODAY. COUPLED WITH THIS IS AN UNSEASONABLY
STRONG UPPER LEVEL JET OF UP TO 150 MPH PLUS VERY FAVORABLE
VERTICAL WIND SHEAR PROFILES.  CURRENT SEVERE THUNDERSTORM ACTIVITY
MOVING ACROSS THE TENNESSEE VALLEY IS EXPECTED TO WEAKEN SOME THIS
MORNING BUT IN THE PROCESS WILL PROVIDE A SURFACE BOUNDARY TO FOCUS
DEVELOPMENT OF SEVERE STORMS AGAIN DURING THE HEAT OF THE
AFTERNOON.

ADDITIONAL THUNDERSTORMS SHOULD COMMENCE ACROSS PORTIONS OF EASTERN
TENNESSEE/NORTHERN ALABAMA AND GEORGIA THIS AFTERNOON...MOVING
RAPIDLY EAST AND SOUTHEAST INTO THE CAROLINAS AND CENTRAL GEORGIA
BY THIS EVENING.  GIVEN THE AMOUNT OF UNSTABLE AIR AND STRONG WIND
FIELDS AT ALL LEVELS...THESE STORMS ARE EXPECTED TO BE CAPABLE OF
PRODUCING WIDESPREAD LARGE HAIL AND DAMAGING WINDS ALONG WITH THE
POTENTIAL FOR SUPERCELLS AND A FEW INTENSE TORNADOS.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION.  THOSE IN THE
THREATENED AREAS ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES...
AND LISTEN TO RADIO...TV...OR NOAA WEATHER RADIO FOR LATER WATCHES
...WARNINGS AND STATEMENTS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:49 AM EDTSevere Thunderstorm WarningFFCDawson, Forsyth36 min
May 7, 9:00 AM EDTSevere Thunderstorm WarningFFCPolk35 min
May 7, 9:08 AM EDTSevere Thunderstorm WarningFFCLumpkin32 min
May 7, 9:25 AM EDTSevere Thunderstorm WarningFFCCarroll35 min
May 7, 9:36 AM EDTSevere Thunderstorm WarningFFCDouglas34 min
May 7, 9:54 AM EDTSevere Thunderstorm WarningFFCFulton36 min
May 7, 9:59 AM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon36 min
May 7, 10:14 AM EDTSevere Thunderstorm WarningFFCCherokee, Pickens36 min
May 7, 10:30 AM EDTSevere Thunderstorm WarningFFCDeKalb, Rockdale50 min
May 7, 10:41 AM EDTSevere Thunderstorm WarningFFCCherokee, Dawson, Forsyth34 min
May 7, 11:06 AM EDTSevere Thunderstorm WarningFFCMadison, Oglethorpe34 min
May 7, 11:27 AM EDTSevere Thunderstorm WarningFFCGreene, Morgan33 min
May 7, 11:39 AM EDTSevere Thunderstorm WarningFFCOglethorpe36 min
May 7, 12:02 PM EDTSevere Thunderstorm WarningFFCWilkes18 min
May 7, 12:40 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
May 7, 3:23 PM EDTTornado WarningFFCFannin32 min
May 7, 3:34 PM EDTTornado WarningFFCUnion36 min
May 7, 3:48 PM EDTSevere Thunderstorm WarningFFCTowns32 min
May 7, 4:02 PM EDTTornado WarningFFCTowns33 min
May 7, 4:31 PM EDTSevere Thunderstorm WarningFFCHall49 min
May 7, 4:55 PM EDTSevere Thunderstorm WarningFFCBanks50 min
May 7, 5:23 PM EDTSevere Thunderstorm WarningFFCBartow32 min
May 7, 5:36 PM EDTSevere Thunderstorm WarningFFCDawson, Gilmer, Lumpkin34 min
May 7, 5:46 PM EDTSevere Thunderstorm WarningFFCDade, Walker49 min
May 7, 5:50 PM EDTSevere Thunderstorm WarningFFCCherokee35 min
May 7, 6:05 PM EDTTornado WarningFFCDade20 min
May 7, 6:08 PM EDTSevere Thunderstorm WarningFFCOglethorpe47 min
May 7, 6:09 PM EDTTornado WarningFFCCherokee, Forsyth36 min
May 7, 6:10 PM EDTSevere Thunderstorm WarningFFCLumpkin35 min
May 7, 6:16 PM EDTTornado WarningFFCLumpkin34 min
May 7, 6:19 PM EDTTornado WarningFFCWalker36 min
May 7, 6:22 PM EDTTornado WarningFFCHall33 min
May 7, 6:26 PM EDTSevere Thunderstorm WarningFFCWilkes49 min
May 7, 6:32 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield33 min
May 7, 6:41 PM EDTTornado WarningFFCBanks, Jackson34 min
May 7, 6:44 PM EDTSevere Thunderstorm WarningFFCTowns36 min
May 7, 6:49 PM EDTSevere Thunderstorm WarningFFCBarrow36 min
May 7, 6:51 PM EDTTornado WarningFFCBarrow, Gwinnett34 min
May 7, 6:58 PM EDTTornado WarningFFCGordon32 min
May 7, 7:09 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee51 min
May 7, 7:12 PM EDTTornado WarningFFCMurray33 min
May 7, 7:14 PM EDTTornado WarningFFCChattooga36 min
May 7, 7:22 PM EDTTornado WarningFFCPickens33 min
May 7, 7:25 PM EDTTornado WarningFFCClarke, Oconee35 min
May 7, 7:36 PM EDTTornado WarningFFCFloyd34 min
May 7, 7:43 PM EDTTornado WarningFFCCherokee32 min
May 7, 7:44 PM EDTSevere Thunderstorm WarningFFCOglethorpe51 min
May 7, 7:51 PM EDTTornado WarningFFCDawson, Forsyth34 min
May 7, 7:59 PM EDTTornado WarningFFCOglethorpe36 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.