Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

August 3, 2012Fayette County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 3, 2012, 7:36 PM EDT for Fayette County, Georgia. It was in force for 39 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 3, 2012, 7:36 PM EDT (23:36 UTC)
Expired
Aug 3, 2012, 8:15 PM EDT
In force
39 min
Issued by
NWS Atlanta, GA

County Fayette County, GA

The radar

The Atlanta radar (KFFC), 21 km from the middle of the area, began a volume at 23:40 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.

What was reported inside it

TimeReportWhereRemark
Aug 3, 7:50 PM EDTTSTM WND DMG1 N Fayetteville, GANUMEROUS POWERLINES REPORTED DOWN ALONG HIGHWAY 85 IN EASTERN PORTIONS OF THE COUNTY.
Aug 3, 7:55 PM EDTTSTM WND DMG3 Nne Fayetteville, GAEMERGENCY MANAGER REPORTS SEVERAL ROOFS OFF BUSINESSES AT 1583 NORTH HIGHWAY 85.
Aug 3, 8:00 PM EDTTSTM WND DMGFayetteville, GAROOFS BLOWN OFF OF 3 TO 4 BUSINESS ON THE NORTH END OF FAYETTEVILLE ALONG HIGHWAY 85.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.6 hours before the alert went out and 15 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 12:00Z on 2012-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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 12:00Z on 2012-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
115 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
45 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.

337 
WWUS82 KFFC 032336
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
736 PM EDT FRI AUG 3 2012

GAZ054-055-057-040015-
736 PM EDT FRI AUG 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL AND 40 MPH WINDS
IN FAYETTE...HENRY AND CLAYTON COUNTIES UNTIL 815 PM EDT...

AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER FAYETTEVILLE...MOVING EAST AT 20 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
FAYETTE...HENRY AND CLAYTON COUNTIES THROUGH 815 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE FAYETTEVILLE...SANDY
CREEK...INMAN...WOOLSEY...KENWOOD...JW SMITH RESERVOIR...IRONDALE...
ATLANTA MOTOR SPEEDWAY...JONESBORO...BONANZA...HAMPTON...LOVEJOY...
EAGLES LANDING...STOCKBRIDGE AND LAKE SPIVEY. HEAVY DOWNPOURS WILL
CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3359 8420 3337 8419 3335 8435 3335 8439
      3334 8439 3333 8453 3350 8459
TIME...MOT...LOC 2336Z 257DEG 15KT 3343 8445

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:05 PM EDTFlash Flood WarningFFCDeKalb, Fulton4 hr
Aug 2, 8:53 PM EDTSpecial Weather StatementFFCSpalding52 min
Aug 3, 5:35 PM EDTSpecial Weather StatementFFCCobb40 min
Aug 3, 6:11 PM EDTSpecial Weather StatementFFCUnion34 min
Aug 3, 6:42 PM EDTSpecial Weather StatementFFCDeKalb, Gwinnett33 min
Aug 3, 6:51 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett, Rockdale, Walton39 min
Aug 3, 7:44 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fayette, Fulton, Henry46 min
Aug 3, 7:59 PM EDTSpecial Weather StatementFFCGwinnett46 min

Nearby

Special Weather Statements in Georgia, 2012Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.