Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 248, NWS Atlanta, GA

June 2, 1999Walton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 2, 1999, 7:28 PM EDT for Walton County, Georgia. It was in force for 32 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
Jun 2, 1999, 7:28 PM EDT (23:28 UTC)
Expired
Jun 2, 1999, 8:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Walton County, GA

The radar

The Atlanta radar (KFFC), 90 km from the middle of the area, began a volume at 23:29 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
Jun 2, 7:30 PM EDTThunderstorm WindMonroe, GAThe public reported several trees were uprooted.

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, 11.5 hours before the alert went out and 84 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 1999-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 1999-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
72 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
78 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.

664 
WUUS1 KATL 022327 RRA
SVRATL
GAC297-030000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
728 PM EDT WED JUN 2 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WALTON COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 800 PM EDT

* AT 726 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  IN THE VICINITY OF PANNELL... MOVING EAST AT 30 MPH.

* THIS STORM WILL REMAIN OVER RURAL AREAS.

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, Jun 2, 6:42 PM EDT, 46 minutes before
GAZ008-009-014>016-022-023-025-033>035-044>048-054>058-022345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
642 PM EDT WED JUN 2 1999

...TORNADO WATCH IN EFFECT UNTIL 8 PM EDT...
A BAND OF STRONG THUNDERSTORMS EXTENDING FROM NORTH GEORGIA TO THE
SOUTHEAST ATLANTA SUBURBS WILL PUSH EAST AT 25 MPH THIS EVENING.
AT 635 PM THE STORMS EXTENDED FROM NEAR BLAIRSVILLE TO GAINESVILLE
TO JUST WEST OF MCDONOUGH. THESE STORMS ARE CAPABLE OF WINDS GUSTING
TO 55 MPH AND SMALL HAIL...AS WELL AS DANGEROUS CLOUD TO GROUND
LIGHTNING AND VERY HEAVY DOWNPOURS. PERSONS IN THE PATH OF THESE
STORMS SHOULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING.

DH
Special weather statement, Jun 2, 6:42 PM EDT, 46 minutes before
GAZ008-009-014>016-022-023-025-033>035-044>048-054>058-022345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
642 PM EDT WED JUN 2 1999

...TORNADO WATCH IN EFFECT UNTIL 8 PM EDT...
A BAND OF STRONG THUNDERSTORMS EXTENDING FROM NORTH GEORGIA TO THE
SOUTHEAST ATLANTA SUBURBS WILL PUSH EAST AT 25 MPH THIS EVENING.
AT 635 PM THE STORMS EXTENDED FROM NEAR BLAIRSVILLE TO GAINESVILLE
TO JUST WEST OF MCDONOUGH. THESE STORMS ARE CAPABLE OF WINDS GUSTING
TO 55 MPH AND SMALL HAIL...AS WELL AS DANGEROUS CLOUD TO GROUND
LIGHTNING AND VERY HEAVY DOWNPOURS. PERSONS IN THE PATH OF THESE
STORMS SHOULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING.

DH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 3:26 PM EDTSevere Thunderstorm WarningFFCFloyd34 min
Jun 2, 4:25 PM EDTSevere Thunderstorm WarningFFCGordon50 min
Jun 2, 6:01 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth, Fulton49 min
Jun 2, 6:03 PM EDTSevere Thunderstorm WarningFFCDeKalb47 min
Jun 2, 6:19 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette46 min
Jun 2, 7:03 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette32 min
Jun 2, 7:05 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett, Walton35 min
Jun 2, 7:17 PM EDTSevere Thunderstorm WarningFFCWhite33 min
Jun 2, 7:21 PM EDTSevere Thunderstorm WarningFFCSpalding49 min
Jun 2, 7:35 PM EDTSevere Thunderstorm WarningFFCNewton35 min
Jun 2, 7:41 PM EDTSevere Thunderstorm WarningFFCButts49 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.