Alert archive / Georgia / Special Weather Statements in 2016

Special Weather Statement, NWS Atlanta, GA

August 26, 2016Gilmer County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 26, 2016, 8:21 PM EDT for Gilmer County, Georgia. It was in force for 39 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 26, 2016, 8:21 PM EDT (00:21 UTC)
Expired
Aug 26, 2016, 9:00 PM EDT
In force
39 min
Issued by
NWS Atlanta, GA

County Gilmer County, GA

The radar

The Atlanta radar (KFFC), 139 km from the middle of the area, began a volume at 00:23 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 137 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2016-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 699 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2016-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
699 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1907 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

075 
WWUS82 KFFC 270021
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
821 PM EDT FRI AUG 26 2016
 
GAZ007-014-015-270100-
GILMER GA-DAWSON GA-LUMPKIN GA-
821 PM EDT FRI AUG 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR GILMER...NORTHWESTERN DAWSON AND
WESTERN LUMPKIN COUNTIES UNTIL 900 PM EDT...

AT 821 PM EDT...A STRONG THUNDERSTORM WAS OVER LEN FOOTE HIKE
INN...OR 12 MILES WEST OF DAHLONEGA...MOVING WEST AT 25 MPH.

  HAZARD...WINDS UP TO 40 MPH AND HEAVY RAIN. 

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT 
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF 
           LIGHT...UNSECURED OBJECTS. 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 ELLIJAY...EAST
ELLIJAY...AMICALOLA FALLS STATE PARK...MOUNTAINTOWN...
PISGAH...NIMBLEWILL...ROUNDTOP...ROY...TALONA...CAMP
MERRILL...CARTECAY... BLACK GAP SHELTER...LEN FOOTE HIKE INN AND
FAUSETT LAKE.

LAT...LON 3471 8425 3467 8425 3464 8420 3461 8419
      3466 8413 3465 8407 3449 8414 3452 8434
      3456 8435 3456 8437 3455 8437 3455 8447
      3456 8447 3456 8449 3455 8448 3455 8449
      3457 8450 3455 8452 3457 8464 3482 8455
TIME...MOT...LOC 0021Z 106DEG 20KT 3460 8420 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:39 PM EDTSpecial Weather StatementFFCFannin, Union51 min
Aug 26, 8:50 PM EDTSpecial Weather StatementFFCGwinnett40 min
Aug 26, 8:53 PM EDTSpecial Weather StatementFFCChattooga52 min
Aug 26, 9:26 PM EDTSpecial Weather StatementFFCFannin49 min
Aug 26, 9:42 PM EDTSpecial Weather StatementFFCCherokee, Gilmer, Pickens48 min
Aug 26, 10:11 PM EDTSpecial Weather StatementFFCBartow, Gordon, Murray49 min
Aug 26, 11:35 PM EDTSpecial Weather StatementFFCTowns40 min
Aug 27, 12:17 AM EDTSpecial Weather StatementFFCUnion28 min
Aug 27, 12:46 AM EDTSpecial Weather StatementFFCFannin29 min

Nearby

Special Weather Statements in Georgia, 2016Every 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.