Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 269, NWS Atlanta, GA

July 20, 2000Houston County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 2000, 10:38 PM EDT for Houston County, Twiggs County, Georgia. It was in force for 37 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, 10:38 PM EDT (02:38 UTC)
Expired
Jul 20, 2000, 11:15 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Houston County, GA, Twiggs County, GA

What was reported inside it

TimeReportWhereRemark
Jul 20, 10:55 PM EDTThunderstorm Wind 50 EGCenterville, GAA former NWS employee reported trees and large limbs down around his house in Centerville caused by estimated 60 mph winds. A tree was reported down on a power line and in a parking lot at the Warner Robbins Air Force Base and a roof was damaged in Perry, whe
Jul 20, 11:10 PM EDTThunderstorm Wind 50 EGCountywide, GAThe Twiggs county 911 center reported lots of trees and power lines down across the county.

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 00:00Z, 2.6 hours before the alert went out and 126 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 2000-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 532 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 2000-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
532 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
2423 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
68 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.

577 
WUUS52 KFFC 210238
SVRATL
GAC153-289-210315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1038 PM EDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOUSTON COUNTY IN CENTRAL GEORGIA
  TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 1115 PM EDT

* AT 1036 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES
  WEST OF MACON TO 7 MILES WEST OF PERRY...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE JEFFERSONVILLE...WARNER
  ROBINS...AND PERRY.

WIND GUSTS UP TO 60 MPH ARE POSSIBLE WITH THESE STORMS.  DAMAGING 
WIND MAY OCCUR UP TO 15 MILES AHEAD OF THE HEAVIEST RAIN.  SEVERE 
THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR YOUR 
SAFETY...GO TO A SAFE PLACE IMMEDIATELY.

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
Jul 20, 8:02 PM EDTSevere Thunderstorm WarningFFCBartow, Gordon, Murray, Whitfield43 min
Jul 20, 8:26 PM EDTSevere Thunderstorm WarningFFCCarroll, Paulding49 min
Jul 20, 8:43 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Fulton47 min
Jul 20, 8:49 PM EDTSevere Thunderstorm WarningFFCCoweta, Heard, Troup41 min
Jul 20, 9:05 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fayette40 min
Jul 20, 9:10 PM EDTSevere Thunderstorm WarningFFCHarris, Muscogee35 min
Jul 20, 9:22 PM EDTSevere Thunderstorm WarningFFCMeriwether23 min
Jul 20, 9:35 PM EDTSevere Thunderstorm WarningFFCTalbot25 min
Jul 20, 9:38 PM EDTSevere Thunderstorm WarningFFCPike, Spalding37 min
Jul 20, 9:45 PM EDTSevere Thunderstorm WarningFFCLamar, Upson45 min
Jul 20, 9:58 PM EDTSevere Thunderstorm WarningFFCButts, Monroe32 min
Jul 20, 9:58 PM EDTSevere Thunderstorm WarningFFCCrawford, Taylor32 min
Jul 20, 10:24 PM EDTSevere Thunderstorm WarningFFCBibb, Peach36 min
Jul 20, 10:24 PM EDTSevere Thunderstorm WarningFFCMacon36 min
Jul 20, 11:08 PM EDTSevere Thunderstorm WarningFFCBleckley, Wilkinson37 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.