Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 328, NWS Atlanta, GA

August 10, 2000Catoosa County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 10, 2000, 5:31 PM EDT for Catoosa County, Georgia. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Aug 10, 2000, 5:31 PM EDT (21:31 UTC)
Expired: Aug 10, 2000, 6:00 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Catoosa County, GA

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 21:33 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, 9.5 hours before the alert went out and 179 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: 1523 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1126 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 20 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.

318 
WUUS52 KFFC 102131
SVRATL
GAC047-102200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
531 PM EDT THU AUG 10 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATOOSA COUNTY IN NORTHWEST GEORGIA

* UNTIL 600 PM EDT

* AT 528 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTH OF INDIAN SPRINGS...OR ABOUT 4
  MILES NORTHEAST OF EAST RIDGE...MOVING SOUTH AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE RINGGOLD AND LAKEVIEW.

LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM
PASSES.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS AND STAY
AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.

LAT...LON 3500 8527 3486 8524 3485 8520 3479 8520
          3482 8512 3481 8507 3485 8507 3486 8504
          3500 8498

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 6:03 AM EDT	Severe Thunderstorm Warning	FFC	Hall	27 min
Aug 10, 5:42 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	48 min
Aug 10, 5:58 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa	47 min
Aug 10, 6:28 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	32 min
Aug 10, 6:32 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	28 min
Aug 10, 7:10 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	35 min
Aug 10, 7:24 PM EDT	Severe Thunderstorm Warning	FFC	Haralson	36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.