Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 308, NWS Atlanta, GA

June 15, 2011Cherokee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 15, 2011, 8:25 PM EDT for Cherokee County, Georgia. It was in force for 35 min. 2 reports 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: Jun 15, 2011, 8:25 PM EDT (00:25 UTC)
Expired: Jun 15, 2011, 9:00 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Cherokee County, GA

The radar

The Atlanta radar (KFFC), 107 km from the middle of the area, began a volume at 00:28 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
Jun 15, 8:38 PM EDT	HAIL 1	1 S Canton, GA
Jun 15, 8:43 PM EDT	HAIL 1	2 Wnw Sutallee, GA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 15, 12:52 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 106 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: 1682 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2119 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

673 
WUUS52 KFFC 160025
SVRFFC
GAC057-160100-
/O.NEW.KFFC.SV.W.0308.110616T0025Z-110616T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
825 PM EDT WED JUN 15 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 900 PM EDT

* AT 824 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 NEAR CANTON...
  MOVING NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WALESKA...BUFFINGTON...BALL GROUND AND FREE HOME.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
THURSDAY MORNING FOR NORTHEASTERN GEORGIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM EDT WEDNESDAY EVENING FOR
NORTHERN GEORGIA.

&&

LAT...LON 3438 8442 3437 8440 3438 8426 3423 8426
      3411 8459 3423 8466 3429 8465 3438 8447
      3438 8445 3439 8443
TIME...MOT...LOC 0026Z 243DEG 31KT 3424 8453

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 8:01 PM EDT	Special Weather Statement	FFC	Oconee, Oglethorpe	44 min
Jun 15, 8:06 PM EDT	Special Weather Statement	FFC	Dawson, Fannin, Lumpkin	24 min
Jun 15, 8:14 PM EDT	Special Weather Statement	FFC	Morgan	31 min
Jun 15, 8:32 PM EDT	Special Weather Statement	FFC	Bartow	13 min
Jun 15, 8:36 PM EDT	Special Weather Statement	FFC	Walker	24 min
Jun 15, 8:37 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan, Walton	53 min
Jun 15, 8:40 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	35 min
Jun 15, 8:46 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	29 min
Jun 15, 8:54 PM EDT	Special Weather Statement	FFC	Forsyth	51 min
Jun 15, 9:02 PM EDT	Special Weather Statement	FFC	Cherokee	28 min
Jun 15, 9:15 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	17 min
Jun 15, 9:19 PM EDT	Special Weather Statement	FFC	Bartow	26 min
Jun 15, 9:30 PM EDT	Special Weather Statement	FFC	Cobb, Fulton	45 min
Jun 15, 9:31 PM EDT	Special Weather Statement	FFC	Gordon	44 min
Jun 15, 9:36 PM EDT	Special Weather Statement	FFC	Barrow, Morgan, Oconee, Walton	24 min
Jun 15, 10:03 PM EDT	Severe Thunderstorm Warning	FFC	Johnson, Laurens	42 min
Jun 15, 10:07 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Newton	53 min
Jun 15, 10:09 PM EDT	Severe Thunderstorm Warning	FFC	Telfair, Wheeler	51 min
Jun 15, 10:17 PM EDT	Special Weather Statement	FFC	Butts, Coweta, Fayette, Lamar, Monroe, Pike and 1 more	28 min
Jun 15, 10:24 PM EDT	Special Weather Statement	FFC	Emanuel	36 min
Jun 15, 10:31 PM EDT	Special Weather Statement	FFC	Bartow, Cherokee, Paulding, Polk	44 min
Jun 15, 10:33 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Montgomery, Toombs, Treutlen	57 min
Jun 15, 10:37 PM EDT	Special Weather Statement	FFC	Catoosa, Walker, Whitfield	38 min
Jun 15, 10:42 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	33 min
Jun 15, 10:43 PM EDT	Severe Thunderstorm Warning	FFC	Paulding	31 min
Jun 15, 10:47 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Laurens, Telfair, Wheeler	43 min
Jun 15, 10:57 PM EDT	Special Weather Statement	FFC	Crisp	33 min
Jun 15, 11:01 PM EDT	Flash Flood Warning	FFC	DeKalb, Fulton, Gwinnett	2 hr
Jun 15, 11:04 PM EDT	Severe Thunderstorm Warning	FFC	Crawford, Dooly, Harris, Peach, Talbot, Taylor	26 min
Jun 15, 11:19 PM EDT	Special Weather Statement	FFC	Cobb, Fulton, Haralson, Paulding	41 min
Jun 15, 11:25 PM EDT	Special Weather Statement	FFC	Chattahoochee, Crisp, Dooly, Macon, Marion, Muscogee and 5 more	50 min
Jun 15, 11:28 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	47 min
Jun 15, 11:35 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Montgomery, Toombs, Wheeler	40 min
Jun 15, 11:40 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Douglas, Paulding	22 min
Jun 15, 11:46 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Treutlen	44 min
Jun 15, 11:49 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston, Pulaski	15 min
Jun 15, 11:52 PM EDT	Severe Thunderstorm Warning	FFC	Macon, Schley	38 min
Jun 15, 11:56 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion, Stewart, Webster	20 min
Jun 16, 12:05 AM EDT	Special Weather Statement	FFC	Carroll	25 min
Jun 16, 12:11 AM EDT	Severe Thunderstorm Warning	FFC	Dodge, Laurens, Telfair, Wheeler	50 min
Jun 16, 12:21 AM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	39 min
Jun 16, 12:35 AM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	22 min
Jun 16, 12:50 AM EDT	Special Weather Statement	FFC	Meriwether, Pike, Spalding, Talbot	40 min
Jun 16, 1:05 AM EDT	Special Weather Statement	FFC	Marion, Schley, Stewart	40 min
Jun 16, 1:23 AM EDT	Special Weather Statement	FFC	Bibb, Crawford	37 min
Jun 16, 9:12 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Troup	33 min
Jun 16, 9:45 AM EDT	Special Weather Statement	FFC	Talbot	45 min
Jun 16, 9:59 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Talbot	46 min
Jun 16, 10:44 AM EDT	Special Weather Statement	FFC	Talbot	46 min
Jun 16, 1:17 PM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	43 min
Jun 16, 2:04 PM EDT	Special Weather Statement	FFC	Macon, Marion	41 min
Jun 16, 2:15 PM EDT	Special Weather Statement	FFC	Webster	45 min
Jun 16, 2:40 PM EDT	Special Weather Statement	FFC	Macon, Schley, Sumter	50 min
Jun 16, 5:03 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Dooly, Sumter	42 min
Jun 16, 5:27 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	18 min
Jun 16, 5:32 PM EDT	Severe Thunderstorm Warning	FFC	Telfair, Wilcox	43 min
Jun 16, 5:54 PM EDT	Severe Thunderstorm Warning	FFC	Wilcox	51 min
Jun 16, 6:27 PM EDT	Special Weather Statement	FFC	Wilcox	18 min
Jun 16, 6:48 PM EDT	Special Weather Statement	FFC	Telfair	27 min
Jun 16, 6:55 PM EDT	Special Weather Statement	FFC	Telfair	35 min
Jun 16, 6:59 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Telfair	46 min
Jun 16, 7:12 PM EDT	Special Weather Statement	FFC	Montgomery	48 min
Jun 16, 7:49 PM EDT	Special Weather Statement	FFC	Dodge	26 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every severe thunderstorm warning in 2011

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.