Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

July 12, 2011Bartow County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 12, 2011, 8:56 AM EDT for Bartow County, Georgia. It was in force for 34 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 12, 2011, 8:56 AM EDT (12:56 UTC)
Expired: Jul 12, 2011, 9:30 AM EDT
In force: 34 min
Issued by: NWS Atlanta, GA

County Bartow County, GA

The radar

The Atlanta radar (KFFC), 102 km from the middle of the area, began a volume at 12:55 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, 0.9 hours before the alert went out and 102 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: 2178 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 2 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Jul 12, 7:43 AM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, Jul 12, 7:43 AM EDT, 1 hour 13 minutes before

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Hazardous weather outlook, Jul 12, 5:53 AM EDT, 3 hours 3 minutes before

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In the hours before

Special weather statement, Jul 12, 8:56 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
856 AM EDT TUE JUL 12 2011

GAZ020-021-121330-
856 AM EDT TUE JUL 12 2011

...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 35 MPH WINDS
IN BARTOW AND CHEROKEE COUNTIES UNTIL 930 AM EDT...

AT 849 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PINE LOG...MOVING SOUTHEAST AT 10 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
BARTOW AND CHEROKEE COUNTIES THROUGH 930 AM EDT. SOME LOCATIONS IN
THE PATH OF THIS STORM INCLUDE WHITE...PINE LOG...FUNKHOUSER...
SUTALLEE...LAKE ARROWHEAD...LITTLE RIVER LANDING...GEORGE WASHINGTON
CARVER STATE PARK AND RED TOP MOUNTAIN STATE PARK. BRIEF HEAVY
DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3422 8448 3409 8471 3423 8484 3433 8486
      3441 8471 3441 8467
TIME...MOT...LOC 1256Z 326DEG 7KT 3430 8471

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 9:18 PM EDT	Special Weather Statement	FFC	Gordon	27 min
Jul 11, 9:22 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	23 min
Jul 11, 9:48 PM EDT	Special Weather Statement	FFC	Floyd	27 min
Jul 11, 9:57 PM EDT	Special Weather Statement	FFC	Gordon	33 min
Jul 11, 9:59 PM EDT	Special Weather Statement	FFC	Gordon	31 min
Jul 11, 10:33 PM EDT	Special Weather Statement	FFC	Gordon	57 min
Jul 12, 11:54 AM EDT	Special Weather Statement	FFC	Haralson	36 min
Jul 12, 1:42 PM EDT	Special Weather Statement	FFC	Douglas	33 min
Jul 12, 1:50 PM EDT	Special Weather Statement	FFC	Rockdale	40 min
Jul 12, 1:55 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	35 min
Jul 12, 2:11 PM EDT	Special Weather Statement	FFC	Rockdale	34 min
Jul 12, 2:30 PM EDT	Special Weather Statement	FFC	Clayton	30 min
Jul 12, 2:44 PM EDT	Special Weather Statement	FFC	Chattooga	31 min
Jul 12, 2:52 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry	23 min
Jul 12, 3:04 PM EDT	Special Weather Statement	FFC	Gwinnett	26 min
Jul 12, 3:08 PM EDT	Heat Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 75 more	37 hr
Jul 12, 3:13 PM EDT	Special Weather Statement	FFC	DeKalb	32 min
Jul 12, 3:16 PM EDT	Special Weather Statement	FFC	Fayette	29 min
Jul 12, 3:21 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette	39 min
Jul 12, 3:32 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	30 min
Jul 12, 3:41 PM EDT	Special Weather Statement	FFC	Gwinnett	49 min
Jul 12, 4:09 PM EDT	Special Weather Statement	FFC	Coweta	36 min
Jul 12, 4:23 PM EDT	Special Weather Statement	FFC	Meriwether	37 min
Jul 12, 4:35 PM EDT	Special Weather Statement	FFC	Meriwether	25 min

Nearby

Special Weather Statements in Georgia, 2011 Every special weather statement in 2011

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.