Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 368, NWS Atlanta, GA

June 24, 2011Hall County, Lumpkin County, White County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 24, 2011, 3:04 PM EDT for Hall County, Lumpkin County, White County, Georgia. It was in force for 41 min. 4 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 24, 2011, 3:04 PM EDT (19:04 UTC)
Expired: Jun 24, 2011, 3:45 PM EDT
In force: 41 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Hall County, GA, Lumpkin County, GA, White County, GA

The radar

The Greer radar (KGSP), 144 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.

What was reported inside it

Time	Report	Where	Remark
Jun 24, 3:10 PM EDT	HAIL 1	1 Nw Dahlonega, GA	A SMALL AND BRIEF AMOUNT OF QUARTER-SIZED HAIL ON THE NORTHWEST SIDE OF DAHLONEGA. MOST OTHER HAIL WAS NICKEL-SIZED ON NORTH AND NORTHEAST SIDE OF TOWN.
Jun 24, 3:15 PM EDT	TSTM WND DMG	4 Ese Dahlonega, GA	TREE DOWN ON LONGBRANCH ROAD AND GA 115 W.
Jun 24, 3:19 PM EDT	HAIL 0.25	3 Ese Dahlonega, GA
Jun 24, 3:19 PM EDT	HAIL 0.88	4 Ese Dahlonega, 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 24, 2:49 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 142 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: 1316 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 39 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.

632 
WUUS52 KFFC 241904
SVRFFC
GAC139-187-311-241945-
/O.NEW.KFFC.SV.W.0368.110624T1904Z-110624T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
304 PM EDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HALL COUNTY IN NORTH CENTRAL GEORGIA
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHERN WHITE COUNTY IN NORTHEAST GEORGIA

* UNTIL 345 PM EDT

* AT 301 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
  DAHLONEGA...MOVING SOUTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CLEVELAND...CLERMONT...LULA AND GILLSVILLE.

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 1000 PM EDT
FRIDAY EVENING FOR NORTHERN GEORGIA.

&&

LAT...LON 3458 8363 3454 8361 3451 8365 3443 8361
      3439 8366 3436 8367 3430 8362 3428 8364
      3451 8410 3466 8398
TIME...MOT...LOC 1903Z 296DEG 22KT 3456 8398

$$

1 follow-up statement

586 
WWUS52 KFFC 241939
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
339 PM EDT FRI JUN 24 2011

GAC139-187-311-241949-
/O.EXP.KFFC.SV.W.0368.000000T0000Z-110624T1945Z/
WHITE GA-LUMPKIN GA-HALL GA-
339 PM EDT FRI JUN 24 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HALL...LUMPKIN AND
SOUTHERN WHITE COUNTIES EXPIRES AT 345 PM EDT...

AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
CLERMONT...MOVING SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LULA...
GILLSVILLE...LEAF AND MOSSY CREEK.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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 1000 PM EDT
FRIDAY EVENING FOR NORTHERN GEORGIA.

LAT...LON 3458 8363 3454 8361 3451 8365 3443 8361
      3439 8366 3436 8367 3430 8362 3428 8364
      3451 8410 3466 8398
TIME...MOT...LOC 1939Z 295DEG 23KT 3447 8379

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 1:44 PM EDT	Special Weather Statement	FFC	Fannin, Gilmer, Lumpkin, Union	46 min
Jun 24, 2:04 PM EDT	Special Weather Statement	FFC	Towns	26 min
Jun 24, 2:30 PM EDT	Special Weather Statement	FFC	Towns, Union, White	45 min
Jun 24, 2:50 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	40 min
Jun 24, 3:27 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Murray, Walker, Whitfield	48 min
Jun 24, 3:31 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	16 min
Jun 24, 4:12 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Fannin, Gilmer, Gordon, Murray and 2 more	48 min
Jun 24, 4:38 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Floyd, Walker	37 min
Jun 24, 4:56 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin	34 min
Jun 24, 5:08 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	22 min
Jun 24, 5:18 PM EDT	Special Weather Statement	FFC	Cherokee, Dawson, Forsyth, Pickens	42 min
Jun 24, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Floyd, Gordon, Pickens	50 min
Jun 24, 5:28 PM EDT	Special Weather Statement	FFC	Banks	32 min
Jun 24, 5:35 PM EDT	Special Weather Statement	FFC	Hall, White	25 min
Jun 24, 5:56 PM EDT	Special Weather Statement	FFC	Cobb, Paulding, Polk	49 min
Jun 24, 5:59 PM EDT	Special Weather Statement	FFC	Upson	31 min
Jun 24, 6:04 PM EDT	Special Weather Statement	FFC	Banks, Jackson	41 min
Jun 24, 6:14 PM EDT	Special Weather Statement	FFC	Oglethorpe	46 min
Jun 24, 6:24 PM EDT	Special Weather Statement	FFC	Fayette	36 min
Jun 24, 6:28 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fulton	47 min
Jun 24, 6:29 PM EDT	Special Weather Statement	FFC	DeKalb, Fulton, Gwinnett	46 min
Jun 24, 6:32 PM EDT	Special Weather Statement	FFC	Haralson, Paulding	43 min
Jun 24, 6:35 PM EDT	Special Weather Statement	FFC	Upson	40 min
Jun 24, 6:39 PM EDT	Special Weather Statement	FFC	Madison	36 min
Jun 24, 6:54 PM EDT	Special Weather Statement	FFC	Clayton	36 min
Jun 24, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson	16 min
Jun 24, 7:05 PM EDT	Special Weather Statement	FFC	Clayton, Fayette, Henry	40 min
Jun 24, 7:21 PM EDT	Special Weather Statement	FFC	Coweta	24 min
Jun 24, 7:33 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson, Heard	27 min
Jun 24, 7:43 PM EDT	Special Weather Statement	FFC	Clayton, Coweta, Fayette, Henry, Spalding	47 min
Jun 24, 7:46 PM EDT	Special Weather Statement	FFC	Taliaferro	29 min
Jun 24, 7:54 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fulton, Heard	51 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.