Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 262, NWS Atlanta, GA

July 6, 20174 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 2017, 2:41 PM EDT for 4 counties in Georgia. It was in force for 49 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, 2:41 PM EDT (18:41 UTC)
Expired
Jul 6, 2017, 3:30 PM EDT
In force
49 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Banks County, GA, Hall County, GA, Jackson County, GA, Madison County, GA

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 18:43 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, 3:05 PM EDTTSTM WND DMG1 Ssw Mount Pleasant, GATREE REPORTED DOWN NEAR 200 BLOCK OF VAUGHN RD.
Jul 6, 3:25 PM EDTTSTM WND DMG3 N Diamond Hill, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF MOONS GROVE CHURCH ROAD AND JOHNNIE CHANDLER ROAD.
Jul 6, 3:30 PM EDTTSTM WND DMG2 Ssw Danielsville, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF COLBERT GROVE CHURCH ROAD AND HIGHWAY 29.

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, 6.7 hours before the alert went out and 138 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.

871 
WUUS52 KFFC 061841
SVRFFC
GAC011-139-157-195-061930-
/O.NEW.KFFC.SV.W.0262.170706T1841Z-170706T1930Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Banks County in northeastern Georgia...
  East central Hall County in north central Georgia...
  Jackson County in northeastern Georgia...
  Western Madison County in northeastern Georgia...

* Until 330 PM EDT

* At 241 PM EDT, a severe thunderstorm was located near Peach State
  Speedway, or near Jefferson, moving east at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Jefferson, Commerce, Homer, Danielsville, Maysville, Arcade,
  Nicholson, Pendergrass, Ila, Gillsville, Talmo, Pocataligo, Peach
  State Speedway, Diamond Hill, Pinefield Crossroads, Apple Valley,
  Neese, Hollingsworth and Banks Crossing.

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 3447 8342 3444 8339 3439 8338 3432 8339
      3427 8334 3424 8334 3426 8330 3425 8327
      3425 8323 3406 8315 3403 8357 3404 8360
      3405 8362 3405 8365 3406 8365 3429 8377
      3449 8349
TIME...MOT...LOC 1841Z 255DEG 30KT 3418 8361 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
714 
WWUS52 KFFC 061856
SVSFFC

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

GAC139-061906-
/O.CAN.KFFC.SV.W.0262.000000T0000Z-170706T1930Z/
Hall GA-
256 PM EDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HALL 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 3447 8342 3444 8339 3439 8338 3432 8339
      3427 8334 3424 8334 3426 8330 3425 8323
      3406 8315 3403 8353 3427 8365 3430 8362
      3433 8365 3449 8349
TIME...MOT...LOC 1856Z 255DEG 30KT 3421 8346 

$$

GAC011-157-195-061930-
/O.CON.KFFC.SV.W.0262.000000T0000Z-170706T1930Z/
Banks GA-Jackson GA-Madison GA-
256 PM EDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR BANKS...EASTERN JACKSON AND WESTERN MADISON COUNTIES...

At 256 PM EDT, a severe thunderstorm was located over Commerce,
moving east at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Jefferson, Commerce, Homer, Danielsville, Maysville, Arcade,
Nicholson, Ila, Gillsville, Pocataligo, Peach State Speedway, Diamond
Hill, Pinefield Crossroads, Apple Valley, Neese, Hollingsworth and
Banks Crossing.

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 3447 8342 3444 8339 3439 8338 3432 8339
      3427 8334 3424 8334 3426 8330 3425 8323
      3406 8315 3403 8353 3427 8365 3430 8362
      3433 8365 3449 8349
TIME...MOT...LOC 1856Z 255DEG 30KT 3421 8346 

HAIL...<.75IN
WIND...60MPH
 
$$
182 
WWUS52 KFFC 061926
SVSFFC

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

GAC011-157-195-061935-
/O.EXP.KFFC.SV.W.0262.000000T0000Z-170706T1930Z/
Banks GA-Jackson GA-Madison GA-
326 PM EDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR BANKS...EASTERN JACKSON AND
WESTERN MADISON COUNTIES WILL EXPIRE AT 330 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.

LAT...LON 3447 8342 3444 8339 3439 8338 3432 8339
      3427 8334 3424 8334 3426 8330 3425 8323
      3406 8315 3403 8353 3427 8365 3430 8362
      3433 8365 3449 8349
TIME...MOT...LOC 1925Z 255DEG 30KT 3427 8321 

$$

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, 2:54 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, 3:30 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.