Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 287, NWS Atlanta, GA

July 21, 2002Harris County, Muscogee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2002, 5:10 PM EDT for Harris County, Muscogee County, Georgia. It was in force for 35 min. 3 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 21, 2002, 5:10 PM EDT (21:10 UTC)
Expired: Jul 21, 2002, 5:45 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Harris County, GA, Muscogee County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 21, 5:20 PM EDT	Thunderstorm Wind	Columbus, GA	The Columbus Ledger-Enquirer and several reports from the public indicated that numerous trees were blown down in the Columbus and Upatoi area. In Columbus, several large trees were blown down, some landing on homes causing minor to major damage. Trees also
Jul 21, 5:20 PM EDT	Hail 1	Upatoi, GA	The public reported dime to quarter size hail in Upatoi and dime size hail in Columbus and North Columbus.
Jul 21, 5:30 PM EDT	Thunderstorm Wind	Ellerslie, GA	The Harris county 911 center reported that some power lines were 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 hours before the alert went out and 91 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: 1664 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 7 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.

340 
WUUS52 KFFC 212110
SVRATL
GAC145-215-212145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
509 PM EDT SUN JUL 21 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HARRIS COUNTY IN WEST CENTRAL GEORGIA
  MUSCOGEE COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 545 PM EDT

* AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 6 MILES WEST OF WAVERLY HALL TO 9
  MILES SOUTHEAST OF COLUMBUS...MOVING WESTSOUTHWEST AT 15 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...COLUMBUS
  AND WAVERLY HALL.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED 
IN THE WARNED AREA.

DAMAGING WINDS MAY OCCUR UP TO 10 MILES AHEAD OF THE HEAVY RAIN
AND HAIL. GO TO A SAFE PLACE UNTIL THE STORMS HAVE PASSED. STAY AWAY
FROM WINDOWS

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 1:15 PM EDT	Severe Thunderstorm Warning	FFC	Washington	30 min
Jul 21, 2:19 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Jefferson	26 min
Jul 21, 2:27 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Washington	33 min
Jul 21, 2:32 PM EDT	Severe Thunderstorm Warning	FFC	Upson	28 min
Jul 21, 3:03 PM EDT	Severe Thunderstorm Warning	FFC	Macon, Peach	27 min
Jul 21, 5:36 PM EDT	Severe Thunderstorm Warning	FFC	Toombs	39 min
Jul 21, 5:50 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	40 min
Jul 21, 7:15 PM EDT	Severe Thunderstorm Warning	FFC	Paulding	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002 Every severe thunderstorm warning in 2002

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.