Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 308, NWS Atlanta, GA

August 4, 2000Floyd County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 4, 2000, 1:09 PM EDT for Floyd County, Polk County, Georgia. It was in force for 36 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
Aug 4, 2000, 1:09 PM EDT (17:09 UTC)
Expired
Aug 4, 2000, 1:45 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Floyd County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 104 km from the middle of the area, began a volume at 17:12 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
Aug 4, 1:25 PM EDTThunderstorm WindShannon, GAThe Floyd county 911 center reported that two trees were down on Hermitage Road on the southeast side of Shannon.

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, 5.2 hours before the alert went out and 107 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 2000-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 821 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 2000-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
821 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
11 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 
WUUS52 KFFC 041709
SVRATL
GAC115-233-041745-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
109 PM EDT FRI AUG 4 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWEST GEORGIA
  NORTHERN POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 145 PM EDT

* AT 106 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTH OF CAVE SPRING...OR ABOUT 8 MILES
  WEST OF LINDALE...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE LINDALE AND ARAGON

LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM
PASSES.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS AND STAY
AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.

IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE
AT 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 12:50 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd25 min
Aug 4, 1:17 PM EDTSevere Thunderstorm WarningFFCBanks, Hall28 min
Aug 4, 1:17 PM EDTSevere Thunderstorm WarningFFCWhite28 min
Aug 4, 1:51 PM EDTSevere Thunderstorm WarningFFCJasper, Morgan, Putnam24 min
Aug 4, 2:00 PM EDTSevere Thunderstorm WarningFFCLamar, Monroe30 min
Aug 4, 2:17 PM EDTSevere Thunderstorm WarningFFCBanks, Hall28 min
Aug 4, 2:37 PM EDTSevere Thunderstorm WarningFFCMorgan, Oconee23 min
Aug 4, 2:37 PM EDTSevere Thunderstorm WarningFFCOglethorpe23 min
Aug 4, 6:52 PM EDTSevere Thunderstorm WarningFFCHeard38 min
Aug 4, 7:53 PM EDTSevere Thunderstorm WarningFFCChattahoochee27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000

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.