Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 264, NWS Atlanta, GA

July 20, 2000Lamar County, Upson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 2000, 9:45 PM EDT for Lamar County, Upson County, Georgia. It was in force for 45 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, 9:45 PM EDT (01:45 UTC)
Expired: Jul 20, 2000, 10:30 PM EDT
In force: 45 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Lamar County, GA, Upson County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 20, 9:50 PM EDT	Thunderstorm Wind 50 EG	Barnesville, GA	The public reported that several trees and power lines were blown down. There were also reports received of cars being blown off the road by the strong thunderstorm winds.
Jul 20, 9:50 PM EDT	Thunderstorm Wind 50 EG	Hendricks, GA	The Upson county Emergency Management Director, the public, and amateur radio operators reported numerous trees and power lines down from Henrick to Thomaston. Much of the damage was reported along Georgia Highway 75 near Pleasant Valley Road where 10 to 15

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, 1.8 hours before the alert went out and 51 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

658 
WUUS52 KFFC 210146
SVRATL
GAC171-293-210230-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAMAR COUNTY IN WEST CENTRAL GEORGIA
  UPSON COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1030 PM EDT

* AT 943 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST
  OF BARNESVILLE TO 12 MILES WEST OF THOMASTON...MOVING EAST AT 30
  MPH.

WIDESPREAD WIND DAMAGE IS EXPECTED WITH THESE STORMS...WHICH WILL 
OCCUR AS MUCH AS 15 MILES AHEAD OF THE HEAVY RAIN. WINDS MAY KNOCK 
DOWN TREES AND POWER LINES AND DAMAGE BUILDINGS. TAKE COVER NOW.

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.

Issued	Product	Office	Counties	Lasted
Jul 20, 8:02 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Gordon, Murray, Whitfield	43 min
Jul 20, 8:26 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Paulding	49 min
Jul 20, 8:43 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Douglas, Fulton	47 min
Jul 20, 8:49 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard, Troup	41 min
Jul 20, 9:05 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Fayette	40 min
Jul 20, 9:10 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee	35 min
Jul 20, 9:22 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	23 min
Jul 20, 9:35 PM EDT	Severe Thunderstorm Warning	FFC	Talbot	25 min
Jul 20, 9:38 PM EDT	Severe Thunderstorm Warning	FFC	Pike, Spalding	37 min
Jul 20, 9:58 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Monroe	32 min
Jul 20, 9:58 PM EDT	Severe Thunderstorm Warning	FFC	Crawford, Taylor	32 min
Jul 20, 10:24 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Peach	36 min
Jul 20, 10:24 PM EDT	Severe Thunderstorm Warning	FFC	Macon	36 min
Jul 20, 10:38 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Twiggs	37 min
Jul 20, 11:08 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Wilkinson	37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000 Every 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.