Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 396, NWS Atlanta, GA

May 7, 1998Douglas County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1998, 9:36 AM EDT for Douglas County, Georgia. It was in force for 34 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 7, 1998, 9:36 AM EDT (13:36 UTC)
Expired
May 7, 1998, 10:10 AM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Douglas County, GA

The radar

The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 13:19 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, 1.6 hours before the alert went out and 44 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 071336 RRA
SVRATL
GAC097-071410-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DOUGLAS COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 1010 AM EDT

* AT 935 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  10 MILES WEST OF FAIRPLAY MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   HANNAH                      AROUND 945 AM EDT
   FAIRPLAY                    AROUND 945 AM EDT
   MCWHORTER                   AROUND 945 AM EDT
   DOUGLASVILLE                AROUND 950 AM EDT
   LITHIA SPRINGS              AROUND 955 AM EDT



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.

MR/17

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, 3 hours 21 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, 3 hours 21 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, 2 hours 21 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, 2 hours 21 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, 9:54 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, 11:04 AM EDTSevere Thunderstorm WarningFFCClarke, Jackson31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.