Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 286, NWS Atlanta, GA

July 21, 2002Macon County, Peach County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2002, 3:03 PM EDT for Macon County, Peach County, Georgia. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 21, 2002, 3:03 PM EDT (19:03 UTC)
Expired: Jul 21, 2002, 3:30 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Macon County, GA, Peach County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 21, 3:20 PM EDT	Hail 0.75	Ft Vly, GA	The public reported dime size hail.

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, 7.1 hours before the alert went out and 117 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.

918 
WUUS52 KFFC 211903
SVRATL
GAC193-225-211930-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN PEACH COUNTY IN CENTRAL GEORGIA
  MACON COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 330 PM EDT

* AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER FORT VALLEY...MOVING SOUTHWEST AT 10 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...FORT
  VALLEY...MARSHALLVILLE...MONTEZUMA AND OGLETHORPE.

HAIL TO THE SIZE OF NICKELS 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 3223 8400 3238 8419 3251 8405 3260 8389
          3251 8377

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, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.