Alert archive / Georgia / Special Weather Statements in 2016

Special Weather Statement, NWS Atlanta, GA

August 5, 2016Dawson County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 5, 2016, 12:37 AM EDT for Dawson County, Georgia. It was in force for 53 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 5, 2016, 12:37 AM EDT (04:37 UTC)
Expired: Aug 5, 2016, 1:30 AM EDT
In force: 53 min
Issued by: NWS Atlanta, GA

County Dawson County, GA

The radar

The Atlanta radar (KFFC), 140 km from the middle of the area, began a volume at 04:40 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 00:00Z, 4.6 hours before the alert went out and 139 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: 503 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -15 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.

991 
WWUS82 KFFC 050437
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1237 AM EDT FRI AUG 5 2016
 
GAZ007-013-014-050530-
GILMER GA-DAWSON GA-PICKENS GA-
1237 AM EDT FRI AUG 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN GILMER...
NORTHWESTERN DAWSON AND NORTHEASTERN PICKENS COUNTIES UNTIL 130 AM
EDT...

AT 1236 AM EDT...A STRONG THUNDERSTORM WAS NEAR JASPER. THIS STORM
WAS NEARLY STATIONARY.

  HAZARD...HEAVY RAIN. 

  IMPACT...MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE 
           LOSS OF CONTROL DUE TO HYDROPLANING. ALSO...THE HEAVY 
           RAIN MAY CAUSE TEMPORARY STREET FLOODING OR ROAD PONDING 
           IN SLOW DRAINAGE AREAS. WHEN WATER COVERS THE 
           ROAD...REMEMBER TO TURN AROUND DON'T DROWN. 

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
JASPER...MARBLEHILL...AMICALOLA FALLS STATE PARK...LAKE
TAMARACK...BLACK GAP SHELTER...LEN FOOTE HIKE INN...SEQUOYAH LAKE
AND FAUSETT LAKE.

LAT...LON 3468 8426 3467 8425 3467 8424 3465 8422
      3464 8420 3462 8420 3461 8419 3455 8419
      3441 8427 3443 8441 3452 8444 3469 8428
TIME...MOT...LOC 0436Z 061DEG 2KT 3452 8436 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 9:30 PM EDT	Special Weather Statement	FFC	Clarke, Jackson, Madison, Oglethorpe	30 min
Aug 4, 10:10 PM EDT	Special Weather Statement	FFC	Clarke	35 min
Aug 4, 10:45 PM EDT	Special Weather Statement	FFC	Clarke	45 min
Aug 4, 11:36 PM EDT	Areal Flood Warning	FFC	Clarke, Oconee, Oglethorpe	6 hr
Aug 4, 11:53 PM EDT	Special Weather Statement	FFC	Gilmer	37 min
Aug 5, 2:21 PM EDT	Special Weather Statement	FFC	Talbot	39 min
Aug 5, 2:23 PM EDT	Special Weather Statement	FFC	Floyd	37 min
Aug 5, 2:56 PM EDT	Special Weather Statement	FFC	Bartow, Floyd	49 min
Aug 5, 3:03 PM EDT	Special Weather Statement	FFC	Talbot, Taylor	42 min
Aug 5, 3:15 PM EDT	Special Weather Statement	FFC	Polk	30 min
Aug 5, 3:48 PM EDT	Special Weather Statement	FFC	Paulding	42 min
Aug 5, 4:23 PM EDT	Special Weather Statement	FFC	Haralson	52 min
Aug 5, 4:28 PM EDT	Severe Thunderstorm Warning	FFC	Haralson	17 min
Aug 5, 4:39 PM EDT	Special Weather Statement	FFC	Douglas	36 min
Aug 5, 5:11 PM EDT	Special Weather Statement	FFC	Douglas	49 min
Aug 5, 5:27 PM EDT	Special Weather Statement	FFC	Pickens	33 min
Aug 5, 6:08 PM EDT	Special Weather Statement	FFC	Coweta	37 min
Aug 5, 6:55 PM EDT	Special Weather Statement	FFC	Meriwether, Pike	50 min
Aug 5, 6:58 PM EDT	Special Weather Statement	FFC	Spalding	47 min
Aug 5, 7:45 PM EDT	Special Weather Statement	FFC	Pike, Upson	30 min

Nearby

Special Weather Statements in Georgia, 2016 Every special weather statement in 2016

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.