Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 141, NWS Atlanta, GA

May 7, 1999Towns County, Union County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1999, 6:30 PM EDT for Towns County, Union County, Georgia. It was in force for 50 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, 1999, 6:30 PM EDT (22:30 UTC)
Expired
May 7, 1999, 7:20 PM EDT
In force
50 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Towns County, GA, Union County, GA

The radar

The Knoxville radar (KMRX), 150 km from the middle of the area, began a volume at 22:31 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.

What was reported inside it

TimeReportWhereRemark
May 7, 6:45 PM EDTHail 1Blairsville, GAReports from a spotter and the public indicated quarter size hail.

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 watch it was issued in

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

IssuedProductOfficeLasted
May 7, 3:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 177 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 1999-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 362 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 1999-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
362 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 072230 RRA
SVRATL
GAC281-291-072320-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
630 PM EDT FRI MAY 7 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TOWNS COUNTY IN NORTHEASTERN GEORGIA
  UNION COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 720 PM EDT

* AT 628 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  14 MILES SOUTH OF OWLTOWN... MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   OWLTOWN                     AROUND 645 PM EDT
   BLAIRSVILLE                 AROUND 650 PM EDT
   YOUNG HARRIS                AROUND 705 PM EDT
   PRESLEY                     AROUND 710 PM EDT
   HIAWASSEE                   AROUND 710 PM EDT

A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA.
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR
NO ADVANCE WARNING. BE ALERT...BUT REMAIN CALM. IF YOU SEE DAMAGE
OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133
AT EXTENSION 2 0 4.

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, 1:25 PM EDT, 5 hours 5 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071825-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
125 PM EDT FRI MAY 7 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTH THIRD OF
GEORGIA THIS AFTERNOON AND TONIGHT.

MOIST UNSTABLE AIR REMAINS IN PLACE ACROSS GEORGIA THIS AFTERNOON.
A SERIES OF UPPER-LEVEL DISTURBANCES WILL MOVE ACROSS GEORGIA FROM THE
SOUTHWEST THIS AFTERNOON AND TONIGHT. MEANWHILE...A WEAK COLD FRONT
WILL MOVE SLOWLY EAST FROM NORTHWEST GEORGIA TO NEAR CENTRAL GEORGIA
TONIGHT. THE FRONT WILL SERVE TO FURTHER ENHANCE THE DEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS.

THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WIND GUSTS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT TO
DEVELOPING WEATHER THIS AFTERNOON AND TONIGHT AND BE PREPARED FOR
POSSIBLE ACTIVATION.
Special weather statement, May 7, 1:25 PM EDT, 5 hours 5 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071825-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
125 PM EDT FRI MAY 7 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTH THIRD OF
GEORGIA THIS AFTERNOON AND TONIGHT.

MOIST UNSTABLE AIR REMAINS IN PLACE ACROSS GEORGIA THIS AFTERNOON.
A SERIES OF UPPER-LEVEL DISTURBANCES WILL MOVE ACROSS GEORGIA FROM THE
SOUTHWEST THIS AFTERNOON AND TONIGHT. MEANWHILE...A WEAK COLD FRONT
WILL MOVE SLOWLY EAST FROM NORTHWEST GEORGIA TO NEAR CENTRAL GEORGIA
TONIGHT. THE FRONT WILL SERVE TO FURTHER ENHANCE THE DEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS.

THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WIND GUSTS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT TO
DEVELOPING WEATHER THIS AFTERNOON AND TONIGHT AND BE PREPARED FOR
POSSIBLE ACTIVATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:45 PM EDTSevere Thunderstorm WarningFFCMarion20 min
May 7, 4:23 AM EDTSevere Thunderstorm WarningFFCTroup32 min
May 7, 2:34 PM EDTSevere Thunderstorm WarningFFCCarroll36 min
May 7, 2:40 PM EDTSevere Thunderstorm WarningFFCGilmer35 min
May 7, 3:25 PM EDTSevere Thunderstorm WarningFFCFannin, Union30 min
May 7, 3:42 PM EDTTornado WarningFFCCarroll13 min
May 7, 4:05 PM EDTTornado WarningFFCCarroll, Haralson30 min
May 7, 4:11 PM EDTSevere Thunderstorm WarningFFCTowns34 min
May 7, 4:17 PM EDTTornado WarningFFCPaulding33 min
May 7, 4:33 PM EDTTornado WarningFFCCarroll, Haralson32 min
May 7, 4:34 PM EDTTornado WarningFFCCobb36 min
May 7, 4:37 PM EDTSevere Thunderstorm WarningFFCTroup33 min
May 7, 4:51 PM EDTTornado WarningFFCPaulding34 min
May 7, 5:00 PM EDTTornado WarningFFCCherokee35 min
May 7, 5:03 PM EDTTornado WarningFFCCarroll32 min
May 7, 5:19 PM EDTTornado WarningFFCGordon, Pickens36 min
May 7, 5:22 PM EDTTornado WarningFFCCobb, Paulding33 min
May 7, 5:41 PM EDTTornado WarningFFCCherokee49 min
May 7, 5:48 PM EDTSevere Thunderstorm WarningFFCCarroll47 min
May 7, 5:52 PM EDTSevere Thunderstorm WarningFFCHaralson33 min
May 7, 6:07 PM EDTSevere Thunderstorm WarningFFCTroup33 min
May 7, 6:10 PM EDTSevere Thunderstorm WarningFFCHeard35 min
May 7, 6:13 PM EDTSevere Thunderstorm WarningFFCLumpkin32 min
May 7, 6:18 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta37 min
May 7, 6:26 PM EDTSevere Thunderstorm WarningFFCDawson34 min
May 7, 6:34 PM EDTSevere Thunderstorm WarningFFCDouglas, Paulding31 min
May 7, 6:42 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton48 min
May 7, 6:44 PM EDTSevere Thunderstorm WarningFFCMeriwether36 min
May 7, 7:00 PM EDTSevere Thunderstorm WarningFFCTroup50 min
May 7, 7:19 PM EDTSevere Thunderstorm WarningFFCLumpkin, White51 min
May 7, 7:26 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas34 min
May 7, 7:30 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton35 min
May 7, 7:44 PM EDTSevere Thunderstorm WarningFFCTroup31 min
May 7, 7:53 PM EDTTornado WarningFFCMeriwether, Troup47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.