Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

April 3, 2012Bibb County, Jones County, Georgia

NWS Atlanta, GA issued this special weather statement at Apr 3, 2012, 8:52 PM EDT for Bibb County, Jones County, Georgia. It was in force for 38 min. 1 report 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
Apr 3, 2012, 8:52 PM EDT (00:52 UTC)
Expired
Apr 3, 2012, 9:30 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA

Counties Bibb County, GA, Jones County, GA

The radar

The Robins AFB radar (KJGX), 43 km from the middle of the area, began a volume at 00:52 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
Apr 3, 9:05 PM EDTTSTM WND DMG5 N Cross Keys, GAEMERGENCY MANAGER REPORTED WIND DAMAGE TO A LARGE BARN...A HOME AND SEVERAL OUTBUILDINGS ON GRAHAM ROAD. A FEW LARGE HARDWOOD TREES WERE SNAPPED.

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 00:00Z, 0.9 hours before the alert went out and 90 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 2012-04-04Temperature 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 2012-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
2484 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
-2 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.

742 
WWUS82 KFFC 040052
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
852 PM EDT TUE APR 3 2012

GAZ072-082-040130-
852 PM EDT TUE APR 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN JONES AND
BIBB COUNTIES UNTIL 930 PM EDT...

AT 850 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ARKWRIGHT...MOVING NORTHEAST AT 10 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
JONES AND BIBB COUNTIES THROUGH 930 PM EDT. SOME LOCATIONS IN THE
PATH OF THIS STORM INCLUDE WESLEYAN...ARKWRIGHT...CROSS KEYS...PAYNE
CITY...MACON...POSTELL...GREENBERRY CROSSROADS...CLINTON...JAMES...
BRADLEY...WAYSIDE AND GRAY. HEAVY DOWNPOURS WILL CAUSE PONDING OF
WATER ON ROADWAYS.

&&

LAT...LON 3291 8378 3295 8372 3296 8370 3298 8372
      3300 8372 3312 8355 3293 8340 3279 8368
TIME...MOT...LOC 0053Z 235DEG 9KT 3292 8365

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:48 PM EDTSpecial Weather StatementFFCClarke27 min
Apr 3, 8:50 PM EDTSpecial Weather StatementFFCJohnson25 min
Apr 3, 8:55 PM EDTSpecial Weather StatementFFCOglethorpe35 min
Apr 3, 9:24 PM EDTSpecial Weather StatementFFCWarren36 min
Apr 3, 9:46 PM EDTSpecial Weather StatementFFCWilkes29 min
Apr 3, 9:49 PM EDTSpecial Weather StatementFFCBarrow26 min
Apr 3, 10:15 PM EDTSpecial Weather StatementFFCBarrow60 min
Apr 4, 3:24 PM EDTSpecial Weather StatementFFCTaliaferro36 min
Apr 4, 6:49 PM EDTSpecial Weather StatementFFCCarroll26 min
Apr 4, 7:20 PM EDTSpecial Weather StatementFFCDouglas25 min
Apr 4, 7:44 PM EDTSpecial Weather StatementFFCCobb, Fulton46 min
Apr 4, 7:52 PM EDTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton38 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.