Alert archive / Georgia / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 131, NWS Atlanta, GA

July 7, 2004Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 7, 2004, 6:42 PM EDT for Dade County, Walker 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 7, 2004, 6:42 PM EDT (22:42 UTC)
Expired: Jul 7, 2004, 7:15 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 22:43 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.7 hours before the alert went out and 170 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: 244 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 326 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.

000 
WUUS52 KFFC 072242
SVRATL
GAC083-295-072315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
642 PM EDT WED JUL 7 2004

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DADE COUNTY IN NORTHWEST GEORGIA
  NORTHWESTERN WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 715 PM EDT

* AT 640 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER TRENTON...MOVING EAST AT 20 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CHATTANOOGA
VALLEY...CHICKAMAUGA...FAIRVIEW...LOOKOUT MOUNTAIN...ROSSVILLE AND
TRENTON.

HAIL TO THE SIZE OF PENNIES 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 3495 8570 3476 8566 3476 8524 3501 8526

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 3:39 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	36 min
Jul 7, 4:55 PM EDT	Severe Thunderstorm Warning	FFC	Pike	35 min
Jul 7, 5:10 PM EDT	Severe Thunderstorm Warning	FFC	Lamar	35 min
Jul 7, 5:26 PM EDT	Severe Thunderstorm Warning	FFC	Talbot	34 min
Jul 7, 5:38 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	37 min
Jul 7, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Talbot	31 min
Jul 7, 6:58 PM EDT	Severe Thunderstorm Warning	FFC	Macon	32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2004 Every severe thunderstorm warning in 2004

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.