Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

July 4, 2012Chattooga County, Floyd County, Gordon County, Georgia

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

Counties Chattooga County, GA, Floyd County, GA, Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 102 km from the middle of the area, began a volume at 19:09 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

Time	Report	Where	Remark
Jul 4, 3:30 PM EDT	TSTM WND DMG	3 Nne Redbud, GA	GORDON COUNTY 911 RELAYED A REPORT OF 4 TREES DOWN ACROSS THE AREA AS WELL AS A COUPLE POWERLINES. TIME WAS ESTIMATED ON RADAR.

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, 7.1 hours before the alert went out and 136 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: 278 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1036 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 33 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.

168 
WWUS82 KFFC 041908
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
308 PM EDT WED JUL 4 2012

GAZ011-012-019-041945-
308 PM EDT WED JUL 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING AND HEAVY 
RAIN IN CHATTOOGA...FLOYD AND GORDON COUNTIES UNTIL 345 PM EDT...

AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM RESACA TO CHATTOOGAVILLE...MOVING EAST AT
15 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE
ACROSS CHATTOOGA...FLOYD AND GORDON COUNTIES THROUGH 345 PM EDT. SOME
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE SUGAR VALLEY...EVERETT
SPRINGS...LAKE MARVIN...CHATTOOGAVILLE...TIDINGS...JAMES H. FLOYD
STATE PARK...LYERLY...BERRYTON...SUMMERVILLE...SUBLIGNA...RESACA...
HOLLAND...NICKELSVILLE...OOSTANAULA AND ARMUCHEE. HEAVY DOWNPOURS
WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3450 8538 3459 8518 3459 8506 3462 8506
      3462 8493 3464 8491 3462 8490 3461 8481
      3453 8467 3440 8490 3439 8500 3433 8502
      3421 8527 3428 8547 3429 8547 3442 8550
TIME...MOT...LOC 1908Z 292DEG 13KT 3460 8493 3444 8520
          3434 8541

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 8:24 PM EDT	Special Weather Statement	FFC	Murray	36 min
Jul 3, 8:42 PM EDT	Special Weather Statement	FFC	Dawson, Pickens	33 min
Jul 3, 8:58 PM EDT	Special Weather Statement	FFC	Gilmer, Pickens	32 min
Jul 3, 11:23 PM EDT	Special Weather Statement	FFC	Emanuel	37 min
Jul 4, 1:54 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Walker	36 min
Jul 4, 2:30 PM EDT	Special Weather Statement	FFC	Walker, Whitfield	30 min
Jul 4, 3:01 PM EDT	Special Weather Statement	FFC	Murray, Whitfield	29 min
Jul 4, 3:15 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Murray, Whitfield	30 min
Jul 4, 3:39 PM EDT	Special Weather Statement	FFC	Polk	36 min
Jul 4, 4:20 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb	40 min
Jul 4, 4:26 PM EDT	Special Weather Statement	FFC	Haralson, Polk	34 min
Jul 4, 4:43 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson	47 min
Jul 4, 4:52 PM EDT	Severe Thunderstorm Warning	FFC	Paulding	27 min
Jul 4, 5:02 PM EDT	Special Weather Statement	FFC	Clayton	28 min
Jul 4, 5:05 PM EDT	Special Weather Statement	FFC	Cobb	25 min
Jul 4, 5:12 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fulton	48 min
Jul 4, 5:15 PM EDT	Special Weather Statement	FFC	Talbot	30 min
Jul 4, 5:25 PM EDT	Special Weather Statement	FFC	Morgan	35 min
Jul 4, 5:26 PM EDT	Special Weather Statement	FFC	Fayette	34 min
Jul 4, 5:31 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette	44 min
Jul 4, 5:42 PM EDT	Special Weather Statement	FFC	Clayton	33 min
Jul 4, 5:50 PM EDT	Special Weather Statement	FFC	White	25 min
Jul 4, 5:52 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry, Spalding	38 min
Jul 4, 6:04 PM EDT	Special Weather Statement	FFC	Henry	26 min
Jul 4, 6:11 PM EDT	Severe Thunderstorm Warning	FFC	Pike, Spalding	49 min
Jul 4, 6:17 PM EDT	Special Weather Statement	FFC	White	28 min
Jul 4, 6:19 PM EDT	Special Weather Statement	FFC	Wilkes	26 min
Jul 4, 6:22 PM EDT	Special Weather Statement	FFC	Meriwether	38 min
Jul 4, 6:34 PM EDT	Severe Thunderstorm Warning	FFC	Spalding	30 min
Jul 4, 6:35 PM EDT	Severe Thunderstorm Warning	FFC	Fayette	15 min
Jul 4, 6:38 PM EDT	Special Weather Statement	FFC	Morgan	37 min
Jul 4, 6:43 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	47 min
Jul 4, 7:18 PM EDT	Special Weather Statement	FFC	Morgan	27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.