Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 92, NWS Atlanta, GA

April 7, 2003Emanuel County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 7, 2003, 9:43 AM EDT for Emanuel County, Georgia. It was in force for 32 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 7, 2003, 9:43 AM EDT (13:43 UTC)
Expired: Apr 7, 2003, 10:15 AM EDT
In force: 32 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Emanuel County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 1.7 hours before the alert went out and 210 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: 1293 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 468 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.5

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 071343
SVRATL
GAC107-071415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
943 AM EDT MON APR 7 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN EMANUEL COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 1015 AM EDT

* AT 937 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES WEST OF SUMMERTOWN...MOVING EAST AT 30
  MPH.

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

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 3278 8247 3266 8239 3279 8192 3291 8198

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:47 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Newton	28 min
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, 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.