Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 284, NWS Atlanta, GA

July 21, 2002Hancock County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2002, 2:27 PM EDT for Hancock County, Washington County, Georgia. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 21, 2002, 2:27 PM EDT (18:27 UTC)
Expired: Jul 21, 2002, 3:00 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Hancock County, GA, Washington County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.5 hours before the alert went out and 145 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.

576 
WUUS52 KFFC 211827
SVRATL
GAC141-303-211900-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HANCOCK COUNTY IN EAST CENTRAL GEORGIA
  NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 300 PM EDT

* AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTHWESTERN WASHINGTON COUNTY AND SOUTHERN
  HANCOCK COUNTY BETWEEN LINTON AND WARTHEN. THIS SEVERE THUNDERSTORM
  WAS NEARLY STATIONARY.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SOUTHERN 
  HANCOCK COUNTY AND NORTHWESTERN WASHINGTON COUNTY.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED 
IN THE WARNED AREA.

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.

LAT...LON 3317 8302 3302 8306 3301 8292 3314 8285

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, 2:32 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, 5:10 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee	35 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; the sounding from the Mesonet's radiosonde archive.