Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

June 23, 2011Fayette County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 23, 2011, 5:13 PM EDT for Fayette County, Georgia. It was in force for 47 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: Jun 23, 2011, 5:13 PM EDT (21:13 UTC)
Expired: Jun 23, 2011, 6:00 PM EDT
In force: 47 min
Issued by: NWS Atlanta, GA

County Fayette County, GA

The radar

The Atlanta radar (KFFC), 20 km from the middle of the area, began a volume at 21:13 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, 9.2 hours before the alert went out and 23 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: 1756 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 526 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

309 
WWUS82 KFFC 232113
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
513 PM EDT THU JUN 23 2011

GAZ044-053-054-232200-
513 PM EDT THU JUN 23 2011

...SIGNIFICANT WEATHER ADVISORY FOR 45 MPH WINDS IN COWETA...FAYETTE
AND FULTON COUNTIES UNTIL 600 PM EDT...

AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
STRONG THUNDERSTORMS FROM AROUND FAIRBURN TO ARNCO-SARGENT...MOVING 
EAST AT 20 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE PEA SIZED HAIL... 
OCCASIONAL CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 45 MPH AS 
THEY MOVE ACROSS COWETA...FAYETTE AND FULTON COUNTIES THROUGH 600 PM 
EDT. SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE 
CAMPBELLTON...CHATTAHOOCHEE HILLS...PALMETTO...ARNCO-SARGENT...PLANT 
YATES...CANNONGATE...MADRAS...DUNAWAY GARDENS...ROSCOE...FAIRBURN... 
NEWNAN...TYRONE...UNION CITY AND SANDY CREEK. HEAVY DOWNPOURS WILL 
CAUSE PONDING OF WATER ON ROADWAYS.

SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50 MPH...
HAIL LESS THAN THE SIZE OF QUARTERS...OR SIGNIFICANT CLOUD-TO-GROUND
LIGHTNING.

&&

LAT...LON 3349 8489 3352 8482 3356 8483 3363 8475
      3362 8474 3366 8466 3369 8463 3369 8446
      3355 8446 3355 8444 3350 8442 3347 8438
      3341 8442 3333 8460 3337 8485 3344 8492
TIME...MOT...LOC 2112Z 271DEG 17KT 3356 8460 3348 8464
          3342 8472 3341 8484

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:43 PM EDT	Special Weather Statement	FFC	Dawson, Fannin, Gilmer, Lumpkin, Towns, Union and 1 more	47 min
Jun 22, 9:11 PM EDT	Special Weather Statement	FFC	Hall	34 min
Jun 22, 9:31 PM EDT	Special Weather Statement	FFC	White	29 min
Jun 23, 5:05 AM EDT	Special Weather Statement	FFC	Forsyth, Hall	25 min
Jun 23, 5:43 AM EDT	Special Weather Statement	FFC	Banks, Hall	32 min
Jun 23, 12:06 PM EDT	Special Weather Statement	FFC	Twiggs	24 min
Jun 23, 12:21 PM EDT	Special Weather Statement	FFC	Wilkinson	24 min
Jun 23, 1:55 PM EDT	Special Weather Statement	FFC	Hancock	35 min
Jun 23, 3:23 PM EDT	Special Weather Statement	FFC	Washington	37 min
Jun 23, 3:36 PM EDT	Special Weather Statement	FFC	Wheeler	39 min
Jun 23, 4:16 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs, Wheeler	44 min
Jun 23, 4:18 PM EDT	Special Weather Statement	FFC	Carroll	27 min
Jun 23, 4:29 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion, Stewart, Webster	46 min
Jun 23, 4:37 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery, Toombs	38 min
Jun 23, 4:43 PM EDT	Special Weather Statement	FFC	Coweta	32 min
Jun 23, 5:17 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee, Schley	43 min
Jun 23, 6:06 PM EDT	Special Weather Statement	FFC	Talbot	39 min
Jun 23, 6:21 PM EDT	Special Weather Statement	FFC	Butts, Henry, Spalding	39 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.