Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

May 19, 2012Towns County, Union County, Georgia

NWS Atlanta, GA issued this special weather statement at May 19, 2012, 8:28 PM EDT for Towns County, Union 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
May 19, 2012, 8:28 PM EDT (00:28 UTC)
Expired
May 19, 2012, 9:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA

Counties Towns County, GA, Union County, GA

The radar

The Greer radar (KGSP), 152 km from the middle of the area, began a volume at 00:29 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, 0.5 hours before the alert went out and 171 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 2012-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2989 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
21 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.

611 
WWUS82 KFFC 200028
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
828 PM EDT SAT MAY 19 2012

GAZ008-009-016-200100-
828 PM EDT SAT MAY 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL AND 40 MPH WINDS
IN WHITE...UNION AND TOWNS COUNTIES UNTIL 900 PM EDT...

AT 827 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BRASSTOWN BALD...MOVING SOUTHWEST AT 10 MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THIS STORM MOVES ACROSS WHITE...
UNION AND TOWNS COUNTIES THROUGH 900 PM EDT. SOME LOCATIONS IN THE
PATH OF THE STORM INCLUDE PLUM ORCHARD GAP SHELTER...BLUE MOUNTAIN
SHELTER...TITUS...MACEDONIA...HIAWASSEE...MOUNTAIN SCENE...BRASSTOWN
BALD...YOUNG HARRIS...ALEXANDERS MILL...GUMLOG...TRACK ROCK...LOW GAP
SHELTER...BLAIRSVILLE...WHITLEY GAP SHELTER AND CAMP COLEMAN LAKE.

&&

LAT...LON 3495 8355 3494 8360 3492 8359 3488 8365
      3482 8365 3463 8386 3472 8385 3474 8394
      3464 8404 3466 8412 3465 8415 3473 8410
      3480 8410 3481 8414 3489 8411 3495 8418
      3499 8413 3499 8355
TIME...MOT...LOC 0029Z 043DEG 10KT 3484 8381

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 3:55 PM EDTSpecial Weather StatementFFCWalker35 min
May 20, 5:02 PM EDTSpecial Weather StatementFFCForsyth, Gwinnett28 min
May 20, 5:31 PM EDTSpecial Weather StatementFFCForsyth29 min
May 20, 6:08 PM EDTSpecial Weather StatementFFCDeKalb, Fulton37 min
May 20, 6:09 PM EDTSpecial Weather StatementFFCLumpkin36 min
May 20, 6:27 PM EDTSevere Thunderstorm WarningFFCForsyth22 min
May 20, 6:46 PM EDTSpecial Weather StatementFFCDeKalb29 min
May 20, 7:00 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fulton31 min
May 20, 7:28 PM EDTSpecial Weather StatementFFCUnion32 min
May 20, 7:36 PM EDTSpecial Weather StatementFFCClayton, Fayette24 min
May 20, 7:58 PM EDTSpecial Weather StatementFFCCoweta, Fayette32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.