Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

September 4, 2012Meriwether County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 4, 2012, 3:08 PM EDT for Meriwether County, Georgia. It was in force for 37 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: Sep 4, 2012, 3:08 PM EDT (19:08 UTC)
Expired: Sep 4, 2012, 3:45 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA

County Meriwether County, GA

The radar

The Atlanta radar (KFFC), 31 km from the middle of the area, began a volume at 19:07 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 12:00Z, 7.1 hours before the alert went out and 34 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: 73 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 24 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.

369 
WWUS82 KFFC 041908
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
308 PM EDT TUE SEP 4 2012

GAZ067-041945-
308 PM EDT TUE SEP 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN MERIWETHER COUNTY
UNTIL 345 PM EDT...

AT 302 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM OVER ROCKY MOUNT. THE THUNDERSTORM WAS NEARLY 
STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS 
AND STREAMS...AND HIGHWAYS...ACROSS MERIWETHER COUNTY...INCLUDING 
AREAS AROUND ODESSADALE...HARRIS CITY...WOODBURY...LONE 
OAK...GREENVILLE...ROCKY MOUNT...WOOSTER...ALVATON...LUTHERSVILLE 
AND GAY. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS 
OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3322 8483 3322 8469 3319 8451 3311 8454
      3289 8455 3291 8485 3315 8486
TIME...MOT...LOC 1907Z 226DEG 2KT 3315 8473

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 9:09 PM EDT	Special Weather Statement	FFC	Stewart	51 min
Sep 3, 9:57 PM EDT	Special Weather Statement	FFC	Stewart	48 min
Sep 4, 3:47 PM EDT	Special Weather Statement	FFC	Meriwether	43 min
Sep 4, 4:15 PM EDT	Special Weather Statement	FFC	Carroll	45 min
Sep 4, 5:06 PM EDT	Special Weather Statement	FFC	Heard	39 min
Sep 4, 5:59 PM EDT	Special Weather Statement	FFC	Carroll, Heard	61 min
Sep 4, 7:00 PM EDT	Special Weather Statement	FFC	Banks, Madison	45 min
Sep 4, 7:50 PM EDT	Special Weather Statement	FFC	Banks, Madison	25 min

Nearby

Special Weather Statements in Georgia, 2012 Every 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.