Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 263, NWS Atlanta, GA

July 6, 20177 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 2017, 3:15 PM EDT for 7 counties in Georgia. It was in force for 45 min. 3 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, 3:15 PM EDT (19:15 UTC)
Expired
Jul 6, 2017, 4:00 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cherokee County, GA, Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Pickens County, GA, Union County, GA

The radar

The Atlanta radar (KFFC), 134 km from the middle of the area, began a volume at 19:17 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, 3:15 PM EDTTSTM WND DMG1 Ese Roy, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF ROY ROAD AND SOUTHERN ROAD.
Jul 6, 3:15 PM EDTTSTM WND DMG1 Ne White Path, GAA TREE WAS REPORTED DOWN ON THE 1100 BLOCK OF WHITE PATH SPRINGS ROAD.
Jul 6, 3:15 PM EDTTSTM WND DMG2 Wnw Roy, GAA TREEE WAS REPORTED DOWN NEAR THE INTERSECTION OF BIG CREEK ROAD AND HOLT BRIDGE ROAD.

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, 7.3 hours before the alert went out and 131 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.

389 
WUUS52 KFFC 061915
SVRFFC
GAC057-085-111-123-187-227-291-062000-
/O.NEW.KFFC.SV.W.0263.170706T1915Z-170706T2000Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northern Cherokee County in north central Georgia...
  Lumpkin County in north central Georgia...
  Eastern Gilmer County in north central Georgia...
  Dawson County in north central Georgia...
  Pickens County in north central Georgia...
  Southwestern Union County in north central Georgia...
  Southeastern Fannin County in north central Georgia...

* Until 400 PM EDT

* At 314 PM EDT, severe thunderstorms were located along a line
  extending from near Pisgah to near Jasper to Talmadge, moving east
  at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Dahlonega, Jasper, Dawsonville, Blairsville, Ball Ground, Nelson,
  Talking Rock, Suches, Dougherty, Amicalola Falls State Park,
  Sequoyah Lake, Jones Creek, Woods Hole Shelter, Juno, Fausett Lake,
  Len Foote Hike Inn, Cartecay, Pisgah, Vogel State Park and
  Talmadge.

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 3450 8386 3446 8391 3447 8393 3445 8392
      3433 8407 3436 8465 3440 8465 3450 8451
      3481 8438 3488 8391
TIME...MOT...LOC 1914Z 272DEG 29KT 3474 8434 3450 8444 3441 8458 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
672 
WWUS52 KFFC 061932
SVSFFC

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

GAC057-085-111-123-187-227-291-062000-
/O.CON.KFFC.SV.W.0263.000000T0000Z-170706T2000Z/
Cherokee GA-Lumpkin GA-Gilmer GA-Dawson GA-Pickens GA-Union GA-
Fannin GA-
332 PM EDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN CHEROKEE...LUMPKIN...SOUTHEASTERN GILMER...DAWSON...
EASTERN PICKENS...SOUTHWESTERN UNION AND SOUTHEASTERN FANNIN
COUNTIES...

At 332 PM EDT, severe thunderstorms were located along a line
extending from Dial to near Fausett Lake to near Tate, moving east at
35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Dahlonega, Jasper, Dawsonville, Blairsville, Nelson, Suches,
Dougherty, Amicalola Falls State Park, Sequoyah Lake, Jones Creek,
Woods Hole Shelter, Juno, Fausett Lake, Len Foote Hike Inn, Pisgah,
Vogel State Park, Tate, Stover Creek Shelter, Turners Corner and
Gaddistown.

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 3450 8386 3446 8391 3447 8393 3445 8392
      3435 8404 3436 8442 3440 8457 3453 8440
      3482 8428 3488 8391
TIME...MOT...LOC 1932Z 272DEG 29KT 3474 8420 3450 8430 3441 8444 

HAIL...<.75IN
WIND...60MPH
 
$$
588 
WWUS52 KFFC 061942
SVSFFC

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

GAC057-123-061952-
/O.CAN.KFFC.SV.W.0263.000000T0000Z-170706T2000Z/
Cherokee GA-Gilmer GA-
342 PM EDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEROKEE AND
SOUTHEASTERN GILMER COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3450 8386 3446 8391 3447 8393 3445 8392
      3443 8397 3441 8398 3440 8397 3435 8404
      3436 8426 3438 8426 3438 8432 3441 8435
      3460 8424 3460 8422 3462 8420 3464 8420
      3465 8422 3484 8414 3488 8391
TIME...MOT...LOC 1942Z 272DEG 29KT 3474 8414 3450 8424 3441 8438 

$$

GAC085-111-187-227-291-062000-
/O.CON.KFFC.SV.W.0263.000000T0000Z-170706T2000Z/
Lumpkin GA-Dawson GA-Pickens GA-Union GA-Fannin GA-
342 PM EDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR LUMPKIN...DAWSON...SOUTHEASTERN PICKENS...SOUTHWESTERN UNION AND
SOUTHEASTERN FANNIN COUNTIES...

At 342 PM EDT, severe thunderstorms were located along a line
extending from Margret to near Juno to Tate, moving east at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Dahlonega, Dawsonville, Blairsville, Suches, Dougherty, Amicalola
Falls State Park, Jones Creek, Woods Hole Shelter, Juno, Fausett
Lake, Len Foote Hike Inn, Vogel State Park, Stover Creek Shelter,
Turners Corner, Gaddistown, McKee, Margret, Camp Merrill, Springer
Mountain Shelter and Owltown.

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 3450 8386 3446 8391 3447 8393 3445 8392
      3443 8397 3441 8398 3440 8397 3435 8404
      3436 8426 3438 8426 3438 8432 3441 8435
      3460 8424 3460 8422 3462 8420 3464 8420
      3465 8422 3484 8414 3488 8391
TIME...MOT...LOC 1942Z 272DEG 29KT 3474 8414 3450 8424 3441 8438 

HAIL...<.75IN
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, 3:18 PM EDTSpecial Weather StatementFFCBartow, Cherokee42 min
Jul 6, 3:30 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Fulton, Paulding45 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.