Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 281, NWS Atlanta, GA

July 14, 20156 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 14, 2015, 8:22 PM EDT for 6 counties in Georgia. It was in force for 23 min. 7 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: Jul 14, 2015, 8:22 PM EDT (00:22 UTC)
Expired: Jul 14, 2015, 8:45 PM EDT
In force: 23 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bartow County, GA, Cherokee County, GA, Cobb County, GA, Gordon County, GA, Paulding County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 97 km from the middle of the area, began a volume at 00:24 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 14, 8:29 PM EDT	TSTM WND DMG	1 Ene Fields Landing, GA	POWERLINES DOWN ON FIELDS LANDING DRIVE
Jul 14, 8:30 PM EDT	TSTM WND DMG	Powder Springs, GA	911 CALL CENTER RECEIVED NUMEROUS REPORTS OF DOWNED TREES AND POWERLINES ACROSS A MAJORITY OF THE COUNTY BUT PARTICULARLY ACROSS POWDER SPRINGS AND KENNESAW.
Jul 14, 8:45 PM EDT	TSTM WND DMG	Greyfield North, GA	EMERGENCY MANAGER REPORTED 20 TREES EITHER DOWNED OR SNAPPED JUST SOUTHWEST OF KENNESAW. DAMAGE TO ONE HOME WAS ALSO REPORTED ON STILESBORO ROAD.
Jul 14, 8:48 PM EDT	TSTM WND DMG	1 Ne West Hampton, GA	* 1 INJ * MULTIPLE TREES DOWN AROUND THE GORDON COMBS ROAD AND FALLWOOD DRIVE AREA... INCLUDING ONE TREE DOWN ON A HOUSE OFF FALLWOOD COURT. ADDITIONAL TREES REPORTED DOWN ON HOMES/RV BETWEEN KENNESAW AND MARIETTA. TIME ESTIMATED FROM RADAR.
Jul 14, 8:48 PM EDT	TSTM WND DMG	Greyfield North, GA	UPDATED REPORT - APPROXIMATELY 60 TREES WERE EITHER DOWNED OR SNAPPED JUST SOUTHWEST OF KENNESAW AT RESIDENCE OFF STILESBORO ROAD. ESTIMATED WINDS 75-85 MPH VERY LOCALIZED. NO INJURIES.
Jul 14, 8:50 PM EDT	TSTM WND DMG	1 Nnw Ridgewood Park, GA	MUTLIPLE MEDIA/PUBLIC REPORTS OF LARGE TREES DOWN ON A COUPLE HOMES BETWEEN BURNT HICKORY AND CAISSON ROAD WEST OF MARIETTA. NO INJURIES.
Jul 14, 8:50 PM EDT	TSTM WND DMG	Rocky Creek, GA	TREE ON A HOUSE OFF WILEY BRIDGE ROAD.

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
Jul 14, 4:59 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 96 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: 756 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1683 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

576 
WUUS52 KFFC 150022
SVRFFC
GAC015-057-067-129-223-227-150045-
/O.NEW.KFFC.SV.W.0281.150715T0022Z-150715T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
822 PM EDT TUE JUL 14 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHEASTERN GORDON COUNTY IN NORTHWESTERN GEORGIA...
  EASTERN BARTOW COUNTY IN NORTHWESTERN GEORGIA...
  NORTHEASTERN PAULDING COUNTY IN NORTHWESTERN GEORGIA...
  CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA...
  COBB COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 845 PM EDT

* AT 821 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED EXTENDING FROM 
  EAST OF RESACA TO WEST OF WALESKA TO NEAR WHITE AND EUHARLEE TO 
  NORTHWEST OF TAYLORSVILLE...MOVING SOUTHEAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MARIETTA...CANTON...CARTERSVILLE...JASPER...SMYRNA...KENNESAW...
  WOODSTOCK...ACWORTH...POWDER SPRINGS...HOLLY SPRINGS...HIRAM...
  EMERSON...BALL GROUND...NELSON...WHITE...WALESKA...TALKING ROCK...
  BUFFINGTON...FAIR OAKS AND FAIRMOUNT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3455 8465 3455 8452 3456 8451 3455 8449
      3455 8435 3436 8428 3422 8444 3413 8436
      3411 8442 3405 8442 3398 8438 3386 8451
      3384 8459 3385 8469 3401 8495 3408 8492
      3408 8479 3419 8478 3458 8466
TIME...MOT...LOC 0021Z 308DEG 43KT 3454 8475 3436 8472 3424 8477 3416
8488 3416 8506

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

641 
WWUS52 KFFC 150036
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
836 PM EDT TUE JUL 14 2015

GAC015-057-067-129-223-227-150045-
/O.CON.KFFC.SV.W.0281.000000T0000Z-150715T0045Z/
PICKENS GA-GORDON GA-BARTOW GA-PAULDING GA-CHEROKEE GA-COBB GA-
836 PM EDT TUE JUL 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR PICKENS...SOUTHEASTERN GORDON...EASTERN BARTOW...NORTHEASTERN
PAULDING...CHEROKEE AND COBB COUNTIES...

AT 835 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED EXTENDING FROM 
NEAR WALESKA TO NEAR CANTON TO ACWORTH TO SOUTHWEST OF EMERSON TO 
NEAR BRASWELL...MOVING SOUTHEAST AT 45 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARIETTA...CANTON...CARTERSVILLE...JASPER...SMYRNA...KENNESAW...
WOODSTOCK...ACWORTH...POWDER SPRINGS...HOLLY SPRINGS...HIRAM...
EMERSON...BALL GROUND...NELSON...WHITE...WALESKA...TALKING ROCK...
BUFFINGTON...FAIR OAKS AND FAIRMOUNT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3455 8465 3455 8452 3456 8451 3455 8449
      3455 8435 3436 8428 3422 8444 3413 8436
      3411 8442 3405 8442 3398 8438 3386 8451
      3384 8459 3385 8469 3401 8495 3408 8492
      3408 8479 3419 8478 3458 8466
TIME...MOT...LOC 0035Z 305DEG 41KT 3436 8461 3422 8458 3409 8467 3404
8480 3401 8499

HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:00 PM EDT	Severe Thunderstorm Warning	FFC	Madison, Oglethorpe, Wilkes	45 min
Jul 14, 8:06 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	24 min
Jul 14, 8:12 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Forsyth, Gwinnett, Hall, Jackson	48 min
Jul 14, 8:16 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	29 min
Jul 14, 8:17 PM EDT	Special Weather Statement	FFC	Clarke	28 min
Jul 14, 8:23 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Jackson, Oconee, Oglethorpe	37 min
Jul 14, 8:30 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	30 min
Jul 14, 8:32 PM EDT	Special Weather Statement	FFC	Forsyth	28 min
Jul 14, 8:44 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Carroll, Cherokee, Cobb, DeKalb, Douglas and 6 more	46 min
Jul 14, 8:53 PM EDT	Special Weather Statement	FFC	Taliaferro, Wilkes	37 min
Jul 14, 8:55 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Oconee, Walton	50 min
Jul 14, 9:04 PM EDT	Special Weather Statement	FFC	Clarke	26 min
Jul 14, 9:22 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Clayton, Coweta, DeKalb, Fayette, Fulton and 5 more	38 min
Jul 14, 9:28 PM EDT	Special Weather Statement	FFC	Greene, Morgan	32 min
Jul 14, 9:30 PM EDT	Special Weather Statement	FFC	Warren	30 min
Jul 14, 9:32 PM EDT	Special Weather Statement	FFC	Carroll, Cobb, Douglas, Fulton, Haralson, Paulding and 1 more	28 min
Jul 14, 9:53 PM EDT	Special Weather Statement	FFC	Carroll, Clayton, Cobb, Coweta, DeKalb, Douglas and 10 more	52 min
Jul 14, 10:39 PM EDT	Special Weather Statement	FFC	Carroll, Clayton, Coweta, Fayette, Heard, Lamar and 2 more	51 min
Jul 14, 11:24 PM EDT	Special Weather Statement	FFC	Bibb, Coweta, Jones, Lamar, Meriwether, Monroe and 3 more	66 min
Jul 15, 3:34 AM EDT	Heat Advisory	FFC	Bleckley, Dodge, Emanuel, Jefferson, Johnson, Laurens and 10 more	15 hr
Jul 15, 3:51 PM EDT	Special Weather Statement	FFC	Douglas	24 min
Jul 15, 4:12 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Fulton	48 min
Jul 15, 4:54 PM EDT	Special Weather Statement	FFC	Wilcox	21 min
Jul 15, 4:58 PM EDT	Special Weather Statement	FFC	Spalding	32 min
Jul 15, 5:18 PM EDT	Special Weather Statement	FFC	Lamar	27 min
Jul 15, 5:22 PM EDT	Special Weather Statement	FFC	Chattahoochee, Stewart	38 min
Jul 15, 5:39 PM EDT	Special Weather Statement	FFC	Bibb	36 min
Jul 15, 5:50 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Jones, Twiggs	40 min
Jul 15, 6:36 PM EDT	Special Weather Statement	FFC	Toombs	24 min
Jul 15, 7:56 PM EDT	Special Weather Statement	FFC	Laurens, Wheeler	34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015 Every severe thunderstorm warning in 2015

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.