Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 106, NWS Atlanta, GA

May 6, 1999Fannin County, Gilmer County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 6, 1999, 3:29 AM EDT for Fannin County, Gilmer County, Georgia. It was in force for 46 min. 2 reports 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 6, 1999, 3:29 AM EDT (07:29 UTC)
Expired
May 6, 1999, 4:15 AM EDT
In force
46 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Fannin County, GA, Gilmer County, GA

The radar

The Northeast Alabama radar (KHTX), 156 km from the middle of the area, began a volume at 07:32 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 6, 3:40 AM EDTHail 0.75Ellijay, GAThe public reported dime size hail lasted for 4 minutes and covered the porch.
May 6, 4:00 AM EDTTornado F0Blue Ridge, GAFannin county 911 and newspaper accounts agreed that a minimal tornado was responsible for damage in the Sugar Creek Road and Tennis Court Road areas.The roof of an outbuilding at the water company was torn off, an outdoor pavilion at a church collapsed, and t

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 6, 1:30 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.5 hours before the alert went out and 157 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 00:00Z on 1999-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 645 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 00:00Z on 1999-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 280 square meters per square second.193958Sfc1 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
645 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
280 m²/s²
0-3 km storm-relative helicity
335 m²/s²
Significant tornado parameter
1.0
Supercell composite
9.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 11:47 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette33 min
May 5, 11:51 PM EDTSevere Thunderstorm WarningFFCHall49 min
May 6, 12:09 AM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett36 min
May 6, 12:44 AM EDTSevere Thunderstorm WarningFFCDade31 min
May 6, 1:15 AM EDTSevere Thunderstorm WarningFFCDade, Walker50 min
May 6, 2:15 AM EDTSevere Thunderstorm WarningFFCWalker35 min
May 6, 2:20 AM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield35 min
May 6, 3:10 AM EDTSevere Thunderstorm WarningFFCMurray35 min
May 6, 4:13 AM EDTSevere Thunderstorm WarningFFCFannin, Union32 min
May 6, 4:13 AM EDTSevere Thunderstorm WarningFFCGilmer32 min
May 6, 7:00 AM EDTSevere Thunderstorm WarningFFCPaulding35 min
May 6, 7:06 AM EDTSevere Thunderstorm WarningFFCCarroll, Haralson34 min
May 6, 7:36 AM EDTSevere Thunderstorm WarningFFCPaulding14 min
May 6, 7:38 AM EDTSevere Thunderstorm WarningFFCCarroll32 min
May 6, 7:44 AM EDTSevere Thunderstorm WarningFFCCobb36 min
May 6, 7:49 AM EDTSevere Thunderstorm WarningFFCDouglas36 min
May 6, 8:20 AM EDTSevere Thunderstorm WarningFFCFulton45 min
May 6, 8:42 AM EDTSevere Thunderstorm WarningFFCCobb28 min
May 6, 8:44 AM EDTSevere Thunderstorm WarningFFCDeKalb36 min
May 6, 8:55 AM EDTSevere Thunderstorm WarningFFCGwinnett45 min
May 6, 9:04 AM EDTTornado WarningFFCGwinnett31 min
May 6, 9:26 AM EDTSevere Thunderstorm WarningFFCBarrow34 min
May 6, 9:29 AM EDTSevere Thunderstorm WarningFFCCoweta36 min
May 6, 9:42 AM EDTSevere Thunderstorm WarningFFCHeard, Troup33 min
May 6, 11:06 AM EDTSevere Thunderstorm WarningFFCHarris34 min
May 6, 11:29 AM EDTSevere Thunderstorm WarningFFCTalbot31 min
May 6, 1:19 PM EDTSevere Thunderstorm WarningFFCTaliaferro31 min
May 6, 1:37 PM EDTSevere Thunderstorm WarningFFCWarren, Wilkes28 min
May 6, 2:59 PM EDTSevere Thunderstorm WarningFFCCrisp36 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.