Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 402, NWS Atlanta, GA
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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 11:15 AM EDT | Hail 0.88 | Athens, 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:49 AM EDT | Severe Thunderstorm Warning | FFC | Dawson, Forsyth | 36 min |
| May 7, 9:00 AM EDT | Severe Thunderstorm Warning | FFC | Polk | 35 min |
| May 7, 9:08 AM EDT | Severe Thunderstorm Warning | FFC | Lumpkin | 32 min |
| May 7, 9:25 AM EDT | Severe Thunderstorm Warning | FFC | Carroll | 35 min |
| May 7, 9:36 AM EDT | Severe Thunderstorm Warning | FFC | Douglas | 34 min |
| May 7, 9:54 AM EDT | Severe Thunderstorm Warning | FFC | Fulton | 36 min |
| May 7, 9:59 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Floyd, Gordon | 36 min |
| May 7, 10:14 AM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Pickens | 36 min |
| May 7, 10:30 AM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Rockdale | 50 min |
| May 7, 10:41 AM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Dawson, Forsyth | 34 min |
| May 7, 11:06 AM EDT | Severe Thunderstorm Warning | FFC | Madison, Oglethorpe | 34 min |
| May 7, 11:27 AM EDT | Severe Thunderstorm Warning | FFC | Greene, Morgan | 33 min |
| May 7, 11:39 AM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 36 min |
| May 7, 12:02 PM EDT | Severe Thunderstorm Warning | FFC | Wilkes | 18 min |
| May 7, 12:40 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 35 min |
| May 7, 3:23 PM EDT | Tornado Warning | FFC | Fannin | 32 min |
| May 7, 3:34 PM EDT | Tornado Warning | FFC | Union | 36 min |
| May 7, 3:48 PM EDT | Severe Thunderstorm Warning | FFC | Towns | 32 min |
| May 7, 4:02 PM EDT | Tornado Warning | FFC | Towns | 33 min |
| May 7, 4:31 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 49 min |
| May 7, 4:55 PM EDT | Severe Thunderstorm Warning | FFC | Banks | 50 min |
| May 7, 5:23 PM EDT | Severe Thunderstorm Warning | FFC | Bartow | 32 min |
| May 7, 5:36 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Gilmer, Lumpkin | 34 min |
| May 7, 5:46 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 49 min |
| May 7, 5:50 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 35 min |
| May 7, 6:05 PM EDT | Tornado Warning | FFC | Dade | 20 min |
| May 7, 6:08 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 47 min |
| May 7, 6:09 PM EDT | Tornado Warning | FFC | Cherokee, Forsyth | 36 min |
| May 7, 6:10 PM EDT | Severe Thunderstorm Warning | FFC | Lumpkin | 35 min |
| May 7, 6:16 PM EDT | Tornado Warning | FFC | Lumpkin | 34 min |
| May 7, 6:19 PM EDT | Tornado Warning | FFC | Walker | 36 min |
| May 7, 6:22 PM EDT | Tornado Warning | FFC | Hall | 33 min |
| May 7, 6:26 PM EDT | Severe Thunderstorm Warning | FFC | Wilkes | 49 min |
| May 7, 6:32 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 33 min |
| May 7, 6:41 PM EDT | Tornado Warning | FFC | Banks, Jackson | 34 min |
| May 7, 6:44 PM EDT | Severe Thunderstorm Warning | FFC | Towns | 36 min |
| May 7, 6:49 PM EDT | Severe Thunderstorm Warning | FFC | Barrow | 36 min |
| May 7, 6:51 PM EDT | Tornado Warning | FFC | Barrow, Gwinnett | 34 min |
| May 7, 6:58 PM EDT | Tornado Warning | FFC | Gordon | 32 min |
| May 7, 7:09 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Madison, Oconee | 51 min |
| May 7, 7:12 PM EDT | Tornado Warning | FFC | Murray | 33 min |
| May 7, 7:14 PM EDT | Tornado Warning | FFC | Chattooga | 36 min |
| May 7, 7:22 PM EDT | Tornado Warning | FFC | Pickens | 33 min |
| May 7, 7:25 PM EDT | Tornado Warning | FFC | Clarke, Oconee | 35 min |
| May 7, 7:36 PM EDT | Tornado Warning | FFC | Floyd | 34 min |
| May 7, 7:43 PM EDT | Tornado Warning | FFC | Cherokee | 32 min |
| May 7, 7:44 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 51 min |
| May 7, 7:51 PM EDT | Tornado Warning | FFC | Dawson, Forsyth | 34 min |
| May 7, 7:59 PM EDT | Tornado Warning | FFC | Oglethorpe | 36 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.