Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 331, NWS Atlanta, GA

August 10, 2000Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 10, 2000, 6:28 PM EDT for Dade County, Walker County, Georgia. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Aug 10, 2000, 6:28 PM EDT (22:28 UTC)
Expired
Aug 10, 2000, 7:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 77 km from the middle of the area, began a volume at 22:38 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 10, 6:34 PM EDTThunderstorm WindLa Fayette, GAThe Walker county 911 center reported numerous trees and power lines down.

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
Aug 10, 5:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 169 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 2000-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1523 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 2000-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
1523 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1126 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
20 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 102230
SVRATL
GAC083-295-102300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
628 PM EDT THU AUG 10 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DADE COUNTY IN NORTHWEST GEORGIA
  WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 700 PM EDT

* AT 525 PM CDT(625 PM EDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 21 MILES
  WEST OF LA FAYETTE TO 4 MILES WEST OF LA FAYETTE TO 7 MILES
  NORTHEAST OF LA FAYETTE...MOVING SOUTH AT 25 MPH.

* OTHER LOCATIONS IN THE PATH OF THESE STORMS INCLUDE RISING FAWN...
  COOPER HEIGHTS...MT CARMEL...AND CENTER POST.

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.

LAT...LON 3485 8521 3484 8537 3483 8561 3459 8553
          3459 8510 3472 8510 3472 8517 3477 8515
          3478 8521

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 6:03 AM EDTSevere Thunderstorm WarningFFCHall27 min
Aug 10, 5:31 PM EDTSevere Thunderstorm WarningFFCCatoosa29 min
Aug 10, 5:42 PM EDTSevere Thunderstorm WarningFFCDade, Walker48 min
Aug 10, 5:58 PM EDTSevere Thunderstorm WarningFFCCatoosa47 min
Aug 10, 6:32 PM EDTSevere Thunderstorm WarningFFCFloyd28 min
Aug 10, 7:10 PM EDTSevere Thunderstorm WarningFFCFloyd35 min
Aug 10, 7:24 PM EDTSevere Thunderstorm WarningFFCHaralson36 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.