Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 254, NWS Atlanta, GA

July 20, 2000Haralson County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 2000, 7:55 PM EDT for Haralson County, Polk County, Georgia. It was in force for 50 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
Jul 20, 2000, 7:55 PM EDT (23:55 UTC)
Expired
Jul 20, 2000, 8:45 PM EDT
In force
50 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Haralson County, GA, Polk County, GA

What was reported inside it

TimeReportWhereRemark
Jul 20, 8:10 PM EDTThunderstorm Wind 50 EGCountywide, GAThe Polk county 911 center and the Rome News Tribune reported trees and power lines down countywide.
Jul 20, 8:15 PM EDTThunderstorm Wind 50 EGBuchanan, GAAmateur radio operators reported trees down along Old Ridgeway Road and Morgan Road between Buchanan and Waco. The public reported trees down on a mobile home in Waco.

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, 11.9 hours before the alert went out and 87 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 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
14 J/kg
Mixed-layer CIN
-554 J/kg
Mixed-layer LCL
1443 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
19 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 202358
SVRATL
GAC143-233-210045-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
755 PM EDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARALSON COUNTY IN NORTHWEST GEORGIA
  POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 845 PM EDT

* AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST
  OF CEDARTOWN TO 20 MILES WEST OF TALLAPOOSA...MOVING EAST AT
  40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE ROCKMART...BUCHANAN...
  BREMEN...TALLAPOOSA...CEDARTOWN AND ARAGON.

THESE STORMS PRODUCED WIND DAMAGE IN LAFAYETTE AND 4 MILES NORTH OF 
ROME AS THEY MOVED THROUGH THOSE AREAS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 7:12 PM EDTSevere Thunderstorm WarningFFCChattooga, Walker48 min
Jul 20, 7:12 PM EDTSevere Thunderstorm WarningFFCCatoosa48 min
Jul 20, 7:12 PM EDTSevere Thunderstorm WarningFFCDade48 min
Jul 20, 7:35 PM EDTSevere Thunderstorm WarningFFCFloyd40 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.