Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 264, NWS Atlanta, GA

July 6, 20175 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 2017, 3:30 PM EDT for 5 counties in Georgia. It was in force for 45 min. 8 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 6, 2017, 3:30 PM EDT (19:30 UTC)
Expired
Jul 6, 2017, 4:15 PM EDT
In force
45 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, Fulton County, GA, Paulding County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 19:30 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

TimeReportWhereRemark
Jul 6, 3:36 PM EDTTSTM WND DMG1 Nw Carmichael Crossro, GATREE DOWN BLOCKING THE ROAD ON HENSON WAY AT THE INTERSECTION OF UNION HILL RD.
Jul 6, 3:38 PM EDTTSTM WND DMG2 Wsw Red Top Mountain, GAMULTIPLE TREES DOWN IN A 100 YARD SWATH BETWEEN CAMBRIDGE WAY AND RED TOP MOUNTAIN RD.
Jul 6, 3:43 PM EDTTSTM WND DMG3 Sse Waleska, GATREE REPORTED DOWN ACROSS THE ROAD AT THE INTERSECTION OF SAM NELSON RD AND RAMPLEY TRL
Jul 6, 3:43 PM EDTTSTM WND DMG3 S Waleska, GAMULTIPLE TREES DOWN AND AT LEAST ONE HOUSE WAS DAMAGED ALONG SAM NELSON RD... BETWEEN NELSON TRL AND RAMPLEY TRL.
Jul 6, 3:48 PM EDTTSTM WND DMG1 N North Canton, GATREE REPORTED DOWN ON A HOUSE AT 1311 REINHARDT COLLEGE PARKWAY.
Jul 6, 3:48 PM EDTTSTM WND DMG1 Nnw North Canton, GATREE DOWN ON POWER LINES AT THE INTERSECTION OF SHOAL CREEK RD AND WHISPERING WOODS DR.
Jul 6, 3:50 PM EDTTSTM WND DMG1 N Hobgood Park, GASEVERAL TREES DOWN ON A RESIDENCE AT 6714 BELLS FERRY RD.
Jul 6, 4:07 PM EDTTSTM WND DMG1 Sw Free Home, GATREE REPORTED DOWN ON POWER LINES AT THE INTERSECTION OF WYATT RD AND SMITHWICK RD

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, 7.5 hours before the alert went out and 91 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2017-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1341 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2017-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -90 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1341 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-90 m²/s²
0-3 km storm-relative helicity
-78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WUUS52 KFFC 061930
SVRFFC
GAC015-057-067-121-223-062015-
/O.NEW.KFFC.SV.W.0264.170706T1930Z-170706T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
330 PM EDT THU JUL 6 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northeastern Paulding County in northwestern Georgia...
  Cherokee County in north central Georgia...
  Northern Cobb County in north central Georgia...
  Northeastern Fulton County in north central Georgia...
  Eastern Bartow County in northwestern Georgia...

* Until 415 PM EDT

* At 330 PM EDT, a severe thunderstorm was located over Red Top
  Mountain State Park, or near Cartersville, moving east at 35 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. 

* Locations impacted include...
  Canton, Cartersville, Roswell, Alpharetta, Milton, Kennesaw,
  Woodstock, Acworth, Holly Springs, Emerson, White, Waleska, Free
  Home, Cassville, Buffington, Hickory Flat, Kellogg Creek, Red Top
  Mountain State Park, Lathemtown and Hobgood Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3436 8482 3431 8426 3411 8426 3410 8425
      3403 8425 3406 8492
TIME...MOT...LOC 1930Z 272DEG 30KT 3418 8474 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
919 
WWUS52 KFFC 061944
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
344 PM EDT THU JUL 6 2017

GAC223-061953-
/O.CAN.KFFC.SV.W.0264.000000T0000Z-170706T2015Z/
Paulding GA-
344 PM EDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PAULDING COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3431 8426 3411 8426 3410 8425 3403 8425
      3406 8474 3408 8474 3408 8479 3434 8471
TIME...MOT...LOC 1943Z 272DEG 30KT 3418 8460 

$$

GAC015-057-067-121-062015-
/O.CON.KFFC.SV.W.0264.000000T0000Z-170706T2015Z/
Cherokee GA-Cobb GA-Fulton GA-Bartow GA-
344 PM EDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CHEROKEE...NORTHERN COBB...NORTHEASTERN FULTON AND SOUTHEASTERN
BARTOW COUNTIES...

At 343 PM EDT, a severe thunderstorm was located over Little River
Landing, or 7 miles southwest of Canton, moving east at 35 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. 

Locations impacted include...
Canton, Cartersville, Roswell, Alpharetta, Milton, Kennesaw,
Woodstock, Acworth, Holly Springs, Emerson, Waleska, Free Home,
Buffington, Hickory Flat, Kellogg Creek, Red Top Mountain State Park,
Lathemtown, Hobgood Park, Union Hill and Lake Arrowhead.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3431 8426 3411 8426 3410 8425 3403 8425
      3406 8474 3408 8474 3408 8479 3434 8471
TIME...MOT...LOC 1943Z 272DEG 30KT 3418 8460 

HAIL...1.00IN
WIND...60MPH
 
$$
702 
WWUS52 KFFC 062000
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
400 PM EDT THU JUL 6 2017

GAC015-067-062010-
/O.CAN.KFFC.SV.W.0264.000000T0000Z-170706T2015Z/
Cobb GA-Bartow GA-
400 PM EDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN COBB AND SOUTHEASTERN
BARTOW COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3431 8426 3411 8426 3410 8425 3403 8425
      3405 8442 3407 8442 3408 8463 3414 8465
      3433 8458
TIME...MOT...LOC 2000Z 272DEG 30KT 3417 8442 

$$

GAC057-121-062015-
/O.CON.KFFC.SV.W.0264.000000T0000Z-170706T2015Z/
Cherokee GA-Fulton GA-
400 PM EDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CHEROKEE AND NORTHEASTERN FULTON COUNTIES...

At 400 PM EDT, a severe thunderstorm was located over Hickory Flat,
or near Canton, moving east at 35 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. 

Locations impacted include...
Canton, Roswell, Alpharetta, Milton, Woodstock, Holly Springs,
Waleska, Free Home, Buffington, Hickory Flat, Union Hill, Lake
Arrowhead, Kellogg Creek, Oak Grove, Birmingham, Little River
Landing, Lebanon, Holbrook, Lathemtown and Sutallee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3431 8426 3411 8426 3410 8425 3403 8425
      3405 8442 3407 8442 3408 8463 3414 8465
      3433 8458
TIME...MOT...LOC 2000Z 272DEG 30KT 3417 8442 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:48 PM EDTSpecial Weather StatementFFCGlascock, Warren27 min
Jul 5, 9:18 PM EDTSpecial Weather StatementFFCGlascock, Jefferson27 min
Jul 6, 1:18 PM EDTSpecial Weather StatementFFCMurray27 min
Jul 6, 1:26 PM EDTSpecial Weather StatementFFCChattooga, Walker34 min
Jul 6, 1:51 PM EDTSpecial Weather StatementFFCForsyth39 min
Jul 6, 2:04 PM EDTSpecial Weather StatementFFCWhitfield41 min
Jul 6, 2:26 PM EDTSpecial Weather StatementFFCBanks, Hall, Jackson49 min
Jul 6, 2:27 PM EDTSpecial Weather StatementFFCBartow, Floyd48 min
Jul 6, 2:33 PM EDTSpecial Weather StatementFFCWhite27 min
Jul 6, 2:38 PM EDTSpecial Weather StatementFFCFannin37 min
Jul 6, 2:41 PM EDTSevere Thunderstorm WarningFFCBanks, Hall, Jackson, Madison49 min
Jul 6, 2:54 PM EDTSpecial Weather StatementFFCPickens51 min
Jul 6, 3:15 PM EDTSevere Thunderstorm WarningFFCCherokee, Dawson, Fannin, Gilmer, Lumpkin, Pickens and 1 more45 min
Jul 6, 3:18 PM EDTSpecial Weather StatementFFCBartow, Cherokee42 min
Jul 6, 3:56 PM EDTSpecial Weather StatementFFCWhite49 min
Jul 6, 4:03 PM EDTSpecial Weather StatementFFCMorgan27 min
Jul 6, 4:11 PM EDTSpecial Weather StatementFFCCherokee, Forsyth49 min
Jul 6, 4:29 PM EDTSpecial Weather StatementFFCChattooga31 min
Jul 6, 4:34 PM EDTSpecial Weather StatementFFCDade41 min
Jul 6, 4:46 PM EDTSpecial Weather StatementFFCOglethorpe, Wilkes44 min
Jul 6, 4:53 PM EDTSevere Thunderstorm WarningFFCGreene, Oglethorpe, Wilkes52 min
Jul 6, 5:12 PM EDTSpecial Weather StatementFFCWalton33 min
Jul 6, 5:15 PM EDTSpecial Weather StatementFFCFloyd, Polk60 min
Jul 6, 5:36 PM EDTSpecial Weather StatementFFCWilkes24 min
Jul 6, 5:42 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk48 min
Jul 6, 6:10 PM EDTSevere Thunderstorm WarningFFCBartow, Haralson, Paulding, Polk50 min
Jul 6, 6:55 PM EDTSpecial Weather StatementFFCCobb, Douglas, Fulton50 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017

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.