Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 87, NWS Atlanta, GA

April 6, 2003Jasper County, Newton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 6, 2003, 8:47 PM EDT for Jasper County, Newton County, Georgia. It was in force for 28 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: Apr 6, 2003, 8:47 PM EDT (00:47 UTC)
Expired: Apr 6, 2003, 9:15 PM EDT
In force: 28 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Jasper County, GA, Newton County, GA

The radar

The Atlanta radar (KFFC), 71 km from the middle of the area, began a volume at 00:50 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 00:00Z, 0.8 hours before the alert went out and 65 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: 1022 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 871 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

483 
WUUS52 KFFC 070047
SVRATL
GAC159-217-070115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
846 PM EDT SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN JASPER COUNTY IN CENTRAL GEORGIA
  SOUTHEASTERN NEWTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 915 PM EDT

* AT 838 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF MANSFIELD...MOVING
  NORTHEAST AT 20 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...MANSFIELD AND
NEWBORN.

HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 35 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 3339 8397 3327 8382 3343 8353 3362 8373

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 6:03 AM EDT	Severe Thunderstorm Warning	FFC	Jefferson	27 min
Apr 7, 8:00 AM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Washington	30 min
Apr 7, 8:39 AM EDT	Severe Thunderstorm Warning	FFC	Johnson, Laurens	36 min
Apr 7, 9:22 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Johnson	23 min
Apr 7, 9:43 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel	32 min
Apr 7, 11:31 AM EDT	Flash Flood Warning	FFC	Meriwether, Pike, Troup	3 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2003 Every severe thunderstorm warning in 2003

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.