Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 377, NWS Atlanta, GA

August 1, 2002Coweta County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 1, 2002, 6:48 PM EDT for Coweta County, Georgia. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 1, 2002, 6:48 PM EDT (22:48 UTC)
Expired: Aug 1, 2002, 7:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 18 km from the middle of the area, began a volume at 22:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 24 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: 869 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 946 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 8 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.

948 
WUUS52 KFFC 012248
SVRATL
GAC077-012330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
648 PM EDT THU AUG 1 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COWETA COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 730 PM EDT

* AT 642 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SHARPSBURG...MOVING SOUTHWEST AT 15 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EAST
NEWNAN...MORELAND...NEWNAN...SHARPSBURG AND TURIN.

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 3338 8496 3325 8481 3327 8460 3345 8461
          3350 8474

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 8:13 PM EDT	Severe Thunderstorm Warning	FFC	Washington	32 min
Jul 31, 8:44 PM EDT	Severe Thunderstorm Warning	FFC	Washington, Wilkinson	36 min
Jul 31, 9:28 PM EDT	Severe Thunderstorm Warning	FFC	Twiggs	32 min
Aug 1, 7:12 PM EDT	Severe Thunderstorm Warning	FFC	Warren	33 min
Aug 1, 7:57 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro	33 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; radar from the NEXRAD Level II archive.