Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 114, NWS Atlanta, GA

April 30, 2003Forsyth County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 30, 2003, 3:35 PM EDT for Forsyth County, Georgia. It was in force for 25 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 30, 2003, 3:35 PM EDT (19:35 UTC)
Expired: Apr 30, 2003, 4:00 PM EDT
In force: 25 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Forsyth County, GA

The radar

The Atlanta radar (KFFC), 102 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 100 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: 388 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1308 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 46 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 301935
SVRATL
GAC117-302000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
334 PM EDT WED APR 30 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 400 PM EDT

* AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME WEST CENTRAL FORSYTH COUNTY...
  MOVING NORTHEAST AT 20 MPH.

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

HAIL TO THE SIZE OF NICKELS 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 3426 8435 3413 8420 3427 8412 3429 8421

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 3:15 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer	30 min
Apr 30, 3:18 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee	27 min
Apr 30, 3:31 PM EDT	Severe Thunderstorm Warning	FFC	Pickens	29 min
Apr 30, 3:39 PM EDT	Severe Thunderstorm Warning	FFC	Fannin	36 min
Apr 30, 3:51 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	24 min
Apr 30, 3:58 PM EDT	Severe Thunderstorm Warning	FFC	Union	32 min
Apr 30, 4:33 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	27 min
Apr 30, 4:49 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	26 min
Apr 30, 5:34 PM EDT	Flash Flood Warning	FFC	Bartow, Gordon	116 min
Apr 30, 5:46 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	29 min
Apr 30, 6:26 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	34 min
Apr 30, 7:22 PM EDT	Severe Thunderstorm Warning	FFC	Polk	23 min

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.