Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

March 3, 2012DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this special weather statement at Mar 3, 2012, 1:21 AM EST for DeKalb County, Fulton County, Georgia. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 3, 2012, 1:21 AM EST (06:21 UTC)
Expired: Mar 3, 2012, 1:45 AM EST
In force: 24 min
Issued by: NWS Atlanta, GA

Counties DeKalb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 43 km from the middle of the area, began a volume at 06:23 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.

What was reported inside it

Time	Report	Where	Remark
Mar 3, 1:37 AM EST	TSTM WND DMG	2 Nne Decatur, GA	DEKALB COUNTY 911 CENTER REPORTED POWER LINES DOWN ON DEKALB INDUSTRIAL WAY AND LAWRENCEVILLE HIGHWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.4 hours before the alert went out and 41 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: 540 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

407 
WWUS82 KFFC 030621
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
121 AM EST SAT MAR 3 2012

GAZ033-044-045-030645-
121 AM EST SAT MAR 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL IN DEKALB AND
FULTON COUNTIES UNTIL 145 AM EST...

AT 118 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SANDTOWN...MOVING EAST AT 45 MPH.

WIND GUSTS OF 35 MPH ARE LIKELY AS THIS STORM MOVES ACROSS DEKALB AND
FULTON COUNTIES THROUGH 145 AM EST. SOME LOCATIONS IN THE PATH OF THE
STORM INCLUDE SANDTOWN...BOLTON...BANKHEAD...EAST POINT...CASCADE
HEIGHTS...ATLANTIC STATION...LAKEWOOD PARK...PIEDMONT PARK...
MIDTOWN...WEST END...SWEET AUBURN...GRANT PARK-ZOO ATLANTA...TURNER
FIELD...ATLANTA AND BUCKHEAD.

A TORNADO WATCH REMAINS IN EFFECT. CONTINUE TO MONITOR NOAA WEATHER
RADIO...WEATHER.GOV OR OTHER MEDIA OUTLETS FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS ON THESE STORMS.

&&

LAT...LON 3371 8461 3377 8455 3391 8428 3372 8409
      3364 8459 3371 8462
TIME...MOT...LOC 0621Z 249DEG 43KT 3371 8450

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 7:01 PM EST	Special Weather Statement	FFC	Coweta, Heard	44 min
Mar 2, 7:24 PM EST	Severe Thunderstorm Warning	FFC	Catoosa, Murray, Walker, Whitfield	21 min
Mar 2, 7:33 PM EST	Tornado Warning	FFC	Haralson, Polk	42 min
Mar 2, 7:37 PM EST	Special Weather Statement	FFC	Floyd	38 min
Mar 2, 8:14 PM EST	Tornado Warning	FFC	Haralson, Paulding, Polk	46 min
Mar 2, 8:28 PM EST	Special Weather Statement	FFC	Gordon	32 min
Mar 2, 8:34 PM EST	Severe Thunderstorm Warning	FFC	Floyd	41 min
Mar 2, 8:40 PM EST	Tornado Warning	FFC	Cherokee, Cobb, Paulding	50 min
Mar 2, 8:52 PM EST	Tornado Warning	FFC	Floyd	53 min
Mar 2, 9:11 PM EST	Tornado Warning	FFC	Cherokee, Cobb, DeKalb, Forsyth, Fulton, Gwinnett and 1 more	49 min
Mar 2, 9:26 PM EST	Tornado Warning	FFC	Bartow	35 min
Mar 2, 9:39 PM EST	Tornado Warning	FFC	Barrow, Forsyth, Gwinnett, Hall, Jackson	51 min
Mar 2, 9:43 PM EST	Special Weather Statement	FFC	Fannin	32 min
Mar 2, 10:14 PM EST	Special Weather Statement	FFC	Gordon	46 min
Mar 2, 10:17 PM EST	Special Weather Statement	FFC	Banks	43 min
Mar 2, 10:23 PM EST	Special Weather Statement	FFC	Pickens	52 min
Mar 2, 10:30 PM EST	Severe Thunderstorm Warning	FFC	Cherokee, Dawson, Forsyth, Pickens	33 min
Mar 2, 10:35 PM EST	Severe Thunderstorm Warning	FFC	Gordon	40 min
Mar 2, 10:40 PM EST	Special Weather Statement	FFC	White	50 min
Mar 2, 10:46 PM EST	Severe Thunderstorm Warning	FFC	Gordon	44 min
Mar 2, 10:53 PM EST	Tornado Warning	FFC	Dawson, Forsyth, Hall, Lumpkin, White	37 min
Mar 2, 10:59 PM EST	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	51 min
Mar 2, 11:19 PM EST	Flash Flood Warning	FFC	Chattooga, Floyd, Gordon	4 hr
Mar 2, 11:31 PM EST	Special Weather Statement	FFC	White	14 min
Mar 2, 11:42 PM EST	Special Weather Statement	FFC	Pickens	33 min
Mar 3, 12:11 AM EST	Flash Flood Warning	FFC	Gilmer, Pickens	5 hr
Mar 3, 12:15 AM EST	Tornado Warning	FFC	Troup	45 min
Mar 3, 12:16 AM EST	Special Weather Statement	FFC	Floyd, Polk	29 min
Mar 3, 12:51 AM EST	Severe Thunderstorm Warning	FFC	Haralson, Paulding, Polk	39 min
Mar 3, 12:56 AM EST	Severe Thunderstorm Warning	FFC	Coweta, Meriwether	11 min
Mar 3, 1:07 AM EST	Special Weather Statement	FFC	Madison	23 min
Mar 3, 1:14 AM EST	Special Weather Statement	FFC	Carroll, Cobb, Douglas	46 min
Mar 3, 1:29 AM EST	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	31 min
Mar 3, 1:42 AM EST	Severe Thunderstorm Warning	FFC	Gwinnett, Walton	33 min
Mar 3, 1:44 AM EST	Special Weather Statement	FFC	Heard	31 min
Mar 3, 1:52 AM EST	Special Weather Statement	FFC	DeKalb, Fulton	23 min
Mar 3, 1:58 AM EST	Tornado Warning	FFC	Barrow, Gwinnett, Walton	34 min
Mar 3, 2:02 AM EST	Special Weather Statement	FFC	Douglas	28 min
Mar 3, 2:10 AM EST	Special Weather Statement	FFC	Coweta	20 min
Mar 3, 2:25 AM EST	Special Weather Statement	FFC	Coweta, Fayette, Meriwether, Troup	50 min
Mar 3, 2:26 AM EST	Special Weather Statement	FFC	Clarke	34 min
Mar 3, 2:34 AM EST	Special Weather Statement	FFC	Clayton	41 min
Mar 3, 2:48 AM EST	Special Weather Statement	FFC	Henry, Newton, Rockdale, Spalding	27 min
Mar 3, 3:10 AM EST	Special Weather Statement	FFC	Butts, Henry, Jasper, Morgan, Newton, Oconee	35 min
Mar 3, 3:31 AM EST	Special Weather Statement	FFC	Oglethorpe	14 min
Mar 3, 3:41 AM EST	Special Weather Statement	FFC	Greene, Oglethorpe, Taliaferro, Wilkes	34 min
Mar 3, 3:47 AM EST	Flash Flood Warning	FFC	DeKalb	6 hr
Mar 3, 4:11 AM EST	Flash Flood Warning	FFC	Gwinnett	6 hr
Mar 3, 5:13 AM EST	River Flood Warning	FFC	Forsyth	12 hr
Mar 3, 5:47 AM EST	River Flood Warning	FFC	Forsyth, Fulton	36 hr
Mar 3, 6:44 AM EST	Special Weather Statement	FFC	Muscogee	31 min
Mar 3, 7:12 AM EST	Special Weather Statement	FFC	Chattahoochee	33 min
Mar 3, 7:42 AM EST	Special Weather Statement	FFC	Bibb, Chattahoochee, Crawford, Macon, Marion, Peach and 4 more	33 min
Mar 3, 8:14 AM EST	Special Weather Statement	FFC	Wheeler	31 min
Mar 3, 8:36 AM EST	Special Weather Statement	FFC	Houston, Twiggs	24 min
Mar 3, 9:01 AM EST	Special Weather Statement	FFC	Houston, Johnson, Twiggs, Wilkinson	29 min
Mar 3, 9:30 AM EST	Special Weather Statement	FFC	Bleckley, Dodge, Emanuel, Johnson, Laurens, Pulaski and 1 more	30 min
Mar 3, 9:57 AM EST	Special Weather Statement	FFC	Dodge, Emanuel, Johnson, Laurens, Treutlen	48 min
Mar 3, 10:19 AM EST	River Flood Warning	FFC	Carroll, Coweta, Heard	16 hr
Mar 3, 2:40 PM EST	Freeze Warning	FFC	Dawson, Fannin, Gilmer, Lumpkin, Pickens, Towns and 2 more	18 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.