Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 162, NWS Atlanta, GA

August 9, 2014Heard County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 9, 2014, 2:59 PM EDT for Heard County, Troup County, Georgia. It was in force for 46 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: Aug 9, 2014, 2:59 PM EDT (18:59 UTC)
Expired: Aug 9, 2014, 3:45 PM EDT
In force: 46 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Heard County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 49 km from the middle of the area, began a volume at 19:02 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, 7.0 hours before the alert went out and 55 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: 148 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 952 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -41 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.

765 
WUUS52 KFFC 091859
SVRFFC
GAC149-285-091945-
/O.NEW.KFFC.SV.W.0162.140809T1859Z-140809T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
259 PM EDT SAT AUG 9 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HEARD COUNTY IN WEST CENTRAL GEORGIA
  NORTHERN TROUP COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 345 PM EDT

* AT 256 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 11 MILES
  NORTHWEST OF LAGRANGE...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CORINTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT NWSATLANTA.

&&

LAT...LON 3326 8495 3322 8494 3302 8493 3304 8523
      3323 8526
TIME...MOT...LOC 1859Z 270DEG 7KT 3314 8518

$$

1 follow-up statement

994 
WWUS52 KFFC 091942
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
342 PM EDT SAT AUG 9 2014

GAC149-285-091950-
/O.EXP.KFFC.SV.W.0162.000000T0000Z-140809T1945Z/
TROUP GA-HEARD GA-
342 PM EDT SAT AUG 9 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HEARD AND NORTHERN
TROUP COUNTIES WILL EXPIRE AT 345 PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND THUS THE 
WARNING WILL BE ALLOWED TO EXPIRE. 

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT NWSATLANTA.

LAT...LON 3326 8495 3322 8494 3302 8493 3304 8523
      3323 8526
TIME...MOT...LOC 1940Z 270DEG 7KT 3314 8508

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 8:05 PM EDT	Special Weather Statement	FFC	Cobb, Coweta, Douglas, Fulton, Heard, Paulding	55 min
Aug 8, 8:07 PM EDT	Special Weather Statement	FFC	Toombs	38 min
Aug 8, 8:09 PM EDT	Special Weather Statement	FFC	Pulaski	51 min
Aug 8, 8:31 PM EDT	Special Weather Statement	FFC	Toombs	44 min
Aug 8, 8:55 PM EDT	Special Weather Statement	FFC	Bleckley	50 min
Aug 8, 9:03 PM EDT	Special Weather Statement	FFC	Treutlen	42 min
Aug 8, 9:05 PM EDT	Special Weather Statement	FFC	Webster	40 min
Aug 8, 9:19 PM EDT	Severe Thunderstorm Warning	FFC	Marion, Schley, Sumter, Webster	41 min
Aug 8, 10:09 PM EDT	Special Weather Statement	FFC	Webster	51 min
Aug 8, 11:31 PM EDT	Special Weather Statement	FFC	Webster	59 min
Aug 9, 1:29 PM EDT	Special Weather Statement	FFC	Dooly, Macon	31 min
Aug 9, 2:13 PM EDT	Special Weather Statement	FFC	Ben Hill	32 min
Aug 9, 4:02 PM EDT	Special Weather Statement	FFC	Taylor	28 min
Aug 9, 4:33 PM EDT	Special Weather Statement	FFC	Marion, Schley	27 min
Aug 9, 5:00 PM EDT	Special Weather Statement	FFC	Upson	30 min
Aug 9, 5:29 PM EDT	Special Weather Statement	FFC	Carroll	46 min
Aug 9, 5:33 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	44 min
Aug 9, 5:53 PM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	52 min
Aug 9, 5:55 PM EDT	Special Weather Statement	FFC	Marion, Schley	65 min
Aug 9, 5:57 PM EDT	Special Weather Statement	FFC	Paulding	33 min
Aug 9, 6:19 PM EDT	Special Weather Statement	FFC	Douglas	41 min
Aug 9, 6:34 PM EDT	Special Weather Statement	FFC	Cobb, Paulding	26 min
Aug 9, 6:37 PM EDT	Severe Thunderstorm Warning	FFC	Douglas, Fulton	38 min
Aug 9, 6:42 PM EDT	Flash Flood Warning	FFC	Chattahoochee, Marion, Muscogee	6 hr
Aug 9, 6:43 PM EDT	Special Weather Statement	FFC	Butts, Lamar, Monroe	32 min
Aug 9, 7:11 PM EDT	Special Weather Statement	FFC	Butts, Monroe	34 min
Aug 9, 7:11 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Cobb, DeKalb, Douglas, Fulton, Henry	49 min
Aug 9, 7:55 PM EDT	Special Weather Statement	FFC	Jasper, Jones, Putnam	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.