Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

August 9, 2011Glascock County, Jefferson County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 9, 2011, 4:13 PM EDT for Glascock County, Jefferson County, Georgia. It was in force for 32 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: Aug 9, 2011, 4:13 PM EDT (20:13 UTC)
Expired: Aug 9, 2011, 4:45 PM EDT
In force: 32 min
Issued by: NWS Atlanta, GA

Counties Glascock County, GA, Jefferson County, GA

The radar

The Robins AFB radar (KJGX), 93 km from the middle of the area, began a volume at 20:16 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 197 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: 768 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: 4 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.

992 
WWUS82 KFFC 092013
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
413 PM EDT TUE AUG 9 2011

GAZ074>076-092045-
413 PM EDT TUE AUG 9 2011

...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 40 MPH WINDS
IN WASHINGTON...GLASCOCK AND JEFFERSON COUNTIES UNTIL 445 PM EDT...

AT 413 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
STRONG THUNDERSTORM OVER GRANGE...AND MOVING SOUTHEAST AT 35 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
WASHINGTON...GLASCOCK AND JEFFERSON COUNTIES THROUGH 445 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE GRANGE...STAPLETONS
CROSSROADS...WRENS...STAPLETON...AVERA...DOWNS...RIDDLEVILLE...
DAVISBORO...EDGEHILL...GIBSON...STELLAVILLE...LOUISVILLE...BARTOW...
MOXLEY AND WADLEY. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER
ON ROADWAYS.

&&

LAT...LON 3308 8228 3293 8227 3285 8230 3281 8237
      3281 8241 3278 8240 3276 8243 3282 8252
      3278 8266 3279 8273 3311 8279 3333 8257
      3327 8243 3332 8239 3331 8232 3323 8223
TIME...MOT...LOC 2013Z 307DEG 29KT 3307 8256

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 8:03 PM EDT	Special Weather Statement	FFC	Heard, Troup	42 min
Aug 8, 8:17 PM EDT	Special Weather Statement	FFC	Henry, Rockdale	28 min
Aug 8, 8:25 PM EDT	Special Weather Statement	FFC	Toombs	35 min
Aug 8, 8:27 PM EDT	Special Weather Statement	FFC	Oconee, Walton	48 min
Aug 8, 8:30 PM EDT	Special Weather Statement	FFC	Fannin	45 min
Aug 8, 8:32 PM EDT	Special Weather Statement	FFC	Jefferson	28 min
Aug 8, 8:56 PM EDT	Special Weather Statement	FFC	Glascock, Jefferson	34 min
Aug 8, 9:05 PM EDT	Special Weather Statement	FFC	Crisp	25 min
Aug 8, 9:06 PM EDT	Special Weather Statement	FFC	Fayette, Spalding	39 min
Aug 8, 9:38 PM EDT	Special Weather Statement	FFC	Harris	37 min
Aug 8, 9:39 PM EDT	Special Weather Statement	FFC	Jefferson	36 min
Aug 8, 10:01 PM EDT	Special Weather Statement	FFC	Lamar, Monroe	44 min
Aug 8, 10:42 PM EDT	Special Weather Statement	FFC	Bibb	33 min
Aug 9, 2:40 PM EDT	Special Weather Statement	FFC	Bibb, Twiggs	50 min
Aug 9, 2:45 PM EDT	Special Weather Statement	FFC	Harris, Meriwether, Muscogee, Pike, Talbot, Upson	45 min
Aug 9, 3:33 PM EDT	Special Weather Statement	FFC	Pike	27 min
Aug 9, 3:41 PM EDT	Special Weather Statement	FFC	Crawford, Taylor, Upson	49 min
Aug 9, 3:53 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe, Pike, Upson	52 min
Aug 9, 4:08 PM EDT	Special Weather Statement	FFC	Banks	52 min
Aug 9, 4:16 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	44 min
Aug 9, 4:39 PM EDT	Special Weather Statement	FFC	Houston, Peach, Twiggs	36 min
Aug 9, 4:43 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	47 min
Aug 9, 4:43 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Jones	47 min
Aug 9, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Stewart	36 min
Aug 9, 4:55 PM EDT	Special Weather Statement	FFC	Emanuel	50 min
Aug 9, 5:00 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Jefferson	45 min
Aug 9, 5:03 PM EDT	Severe Thunderstorm Warning	FFC	Twiggs	42 min
Aug 9, 5:13 PM EDT	Special Weather Statement	FFC	Treutlen	32 min
Aug 9, 5:13 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Wilkinson	35 min
Aug 9, 5:19 PM EDT	Special Weather Statement	FFC	Schley, Stewart, Webster	26 min
Aug 9, 5:21 PM EDT	Special Weather Statement	FFC	Telfair	24 min
Aug 9, 5:39 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	36 min
Aug 9, 5:43 PM EDT	Severe Thunderstorm Warning	FFC	Crisp	30 min
Aug 9, 5:54 PM EDT	Special Weather Statement	FFC	Toombs	36 min
Aug 9, 6:08 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	26 min
Aug 9, 6:20 PM EDT	Severe Thunderstorm Warning	FFC	Toombs	25 min
Aug 9, 7:29 PM EDT	Special Weather Statement	FFC	Morgan	31 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.