Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 367, NWS Atlanta, GA

July 21, 2003Banks County, Hall County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2003, 5:57 PM EDT for Banks County, Hall County, Georgia. It was in force for 48 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 21, 2003, 5:57 PM EDT (21:57 UTC)
Expired: Jul 21, 2003, 6:45 PM EDT
In force: 48 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Banks County, GA, Hall County, GA

The radar

The Greer radar (KGSP), 138 km from the middle of the area, began a volume at 22:00 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, 10.0 hours before the alert went out and 135 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: 1499 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 919 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 25 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.

824 
WUUS52 KFFC 212157
SVRATL
GAC011-139-212245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
556 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HALL COUNTY IN NORTH CENTRAL GEORGIA
  BANKS COUNTY IN NORTHEAST GEORGIA

* UNTIL 645 PM EDT

* AT 553 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A RAPIDLY DEVELOPING SEVERE THUNDERSTORM OVER GILLSVILLE...MOVING 
  EAST AT 15 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...GILLSVILLE...
HOMER AND LULA.

HAIL TO THE SIZE OF DIMES 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 3423 8335 3425 8357 3429 8362 3419 8374
          3417 8379 3436 8379 3447 8339 3432 8338
          3427 8332

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 5:52 PM EDT	Severe Thunderstorm Warning	FFC	Dade	23 min
Jul 21, 5:57 PM EDT	Severe Thunderstorm Warning	FFC	Dade	18 min
Jul 21, 6:19 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	26 min
Jul 21, 6:40 PM EDT	Severe Thunderstorm Warning	FFC	Jackson	35 min
Jul 21, 7:09 PM EDT	Severe Thunderstorm Warning	FFC	Banks	21 min
Jul 21, 7:24 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	36 min
Jul 21, 7:43 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	32 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.