Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

March 15, 2012Dawson County, Georgia

NWS Atlanta, GA issued this special weather statement at Mar 15, 2012, 4:12 PM EDT for Dawson County, Georgia. It was in force for 33 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: Mar 15, 2012, 4:12 PM EDT (20:12 UTC)
Expired: Mar 15, 2012, 4:45 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA

County Dawson County, GA

The radar

The Atlanta radar (KFFC), 114 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 112 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: 866 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1034 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 8 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.

523 
WWUS82 KFFC 152012
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
412 PM EDT THU MAR 15 2012

GAZ013-014-021-152045-
412 PM EDT THU MAR 15 2012

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL AND 40 MPH WINDS
IN PICKENS...CHEROKEE AND DAWSON COUNTIES UNTIL 445 PM EDT...

AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
STRONG THUNDERSTORM NEAR REAVIS MOUNTAIN. THE THUNDERSTORM WAS NEARLY
STATIONARY.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE
ACROSS PICKENS...CHEROKEE AND DAWSON COUNTIES THROUGH 445 PM EDT.
SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE BALL GROUND...
REAVIS MOUNTAIN...HOLLIS LATHEM RESERVOIR...JUNO...LAKE TAMARACK...
NELSON...MARBLEHILL...TATE AND JASPER. HEAVY DOWNPOURS WILL CAUSE
PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3433 8419 3433 8426 3428 8426 3428 8442
      3449 8444 3449 8417
TIME...MOT...LOC 2012Z 180DEG 1KT 3437 8431

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 12:32 PM EDT	Special Weather Statement	FFC	Fannin	28 min
Mar 15, 12:56 PM EDT	Special Weather Statement	FFC	Lumpkin	34 min
Mar 15, 12:59 PM EDT	Special Weather Statement	FFC	Fannin	31 min
Mar 15, 1:28 PM EDT	Special Weather Statement	FFC	Gilmer	32 min
Mar 15, 1:30 PM EDT	Special Weather Statement	FFC	Lumpkin	30 min
Mar 15, 1:59 PM EDT	Special Weather Statement	FFC	Dawson, Fannin, Gilmer, Lumpkin	31 min
Mar 15, 2:11 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Forsyth, Hall, Lumpkin	49 min
Mar 15, 2:49 PM EDT	Special Weather Statement	FFC	Union	26 min
Mar 15, 3:00 PM EDT	Special Weather Statement	FFC	Dawson, Forsyth	30 min
Mar 15, 3:07 PM EDT	Special Weather Statement	FFC	White	23 min
Mar 15, 3:29 PM EDT	Flash Flood Warning	FFC	Dawson	3 hr
Mar 15, 3:29 PM EDT	Special Weather Statement	FFC	Cherokee, Forsyth	46 min
Mar 15, 3:56 PM EDT	Special Weather Statement	FFC	Whitfield	34 min
Mar 15, 4:05 PM EDT	Special Weather Statement	FFC	Murray	25 min
Mar 15, 4:14 PM EDT	Special Weather Statement	FFC	Forsyth	31 min
Mar 15, 4:19 PM EDT	Special Weather Statement	FFC	Paulding	26 min
Mar 15, 4:27 PM EDT	Special Weather Statement	FFC	Douglas	33 min
Mar 15, 4:30 PM EDT	Special Weather Statement	FFC	Murray	30 min
Mar 15, 4:39 PM EDT	Special Weather Statement	FFC	Barrow	36 min
Mar 15, 4:41 PM EDT	Special Weather Statement	FFC	Paulding	34 min
Mar 15, 4:44 PM EDT	Special Weather Statement	FFC	Fulton	31 min
Mar 15, 4:54 PM EDT	Special Weather Statement	FFC	Douglas	21 min
Mar 15, 5:06 PM EDT	Special Weather Statement	FFC	Haralson	24 min
Mar 15, 5:09 PM EDT	Special Weather Statement	FFC	Cobb, Douglas	36 min
Mar 15, 5:12 PM EDT	Special Weather Statement	FFC	Cherokee	33 min
Mar 15, 5:19 PM EDT	Special Weather Statement	FFC	Gwinnett	26 min
Mar 15, 5:22 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Paulding	23 min
Mar 15, 5:46 PM EDT	Special Weather Statement	FFC	Forsyth	29 min
Mar 15, 5:49 PM EDT	Special Weather Statement	FFC	Douglas, Paulding	26 min
Mar 15, 5:57 PM EDT	Special Weather Statement	FFC	Cherokee	33 min
Mar 15, 6:06 PM EDT	Special Weather Statement	FFC	Bartow	24 min
Mar 15, 6:11 PM EDT	Special Weather Statement	FFC	Douglas, Paulding, Polk	34 min
Mar 15, 6:12 PM EDT	Special Weather Statement	FFC	Forsyth	33 min
Mar 15, 6:23 PM EDT	Special Weather Statement	FFC	Cherokee	37 min
Mar 15, 6:27 PM EDT	Special Weather Statement	FFC	Polk	33 min
Mar 15, 6:41 PM EDT	Severe Thunderstorm Warning	FFC	Paulding, Polk	34 min
Mar 15, 6:48 PM EDT	Special Weather Statement	FFC	Bartow	27 min
Mar 15, 7:09 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Polk	36 min
Mar 15, 7:32 PM EDT	Special Weather Statement	FFC	Gordon	28 min
Mar 15, 7:35 PM EDT	Special Weather Statement	FFC	Pickens	25 min
Mar 15, 7:43 PM EDT	Special Weather Statement	FFC	Bartow	32 min

Nearby

Special Weather Statements in Georgia, 2012 Every special weather statement in 2012

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.