Alert archive / Georgia / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 129, NWS Atlanta, GA

July 7, 2004Monroe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 7, 2004, 5:38 PM EDT for Monroe County, Georgia. It was in force for 37 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, 5:38 PM EDT (21:38 UTC)
Expired: Jul 7, 2004, 6:15 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Monroe County, GA

The radar

The Atlanta radar (KFFC), 66 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 61 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: 370 J/kg
Mixed-layer CIN: -153 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 74 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 072138
SVRATL
GAC207-072215-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MONROE COUNTY IN CENTRAL GEORGIA

* UNTIL 615 PM EDT

* AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF FORSYTH...MOVING EAST AT 30
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...FORSYTH.

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

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES OR
ELECTRICAL APPLIANCES.

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 3314 8406 3296 8409 3288 8385 3313 8378

$$

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, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Talbot	31 min
Jul 7, 6:42 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	33 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.