Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 260, NWS Atlanta, GA

July 5, 2017Banks County, Hall County, Jackson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 5, 2017, 5:55 PM EDT for Banks County, Hall County, Jackson County, Georgia. It was in force for 35 min. 2 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 5, 2017, 5:55 PM EDT (21:55 UTC)
Expired: Jul 5, 2017, 6:30 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Greer radar (KGSP), 134 km from the middle of the area, began a volume at 21:54 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 5, 6:11 PM EDT	TSTM WND DMG	3 Ese Bellton, GA	REPORTED DAMAGE TO A TRANSFORMER ON HWY 51 NEAR JACKS DR.
Jul 5, 6:24 PM EDT	TSTM WND DMG	2 Wnw Grove Level, GA	TREE REPORTED DOWN NEAR THE INTERSECTION OF N MANGUM BRIDGE ROAD AND W RIDGEWAY 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, 9.9 hours before the alert went out and 145 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: 1179 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 912 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -80 m²/s²
0-3 km storm-relative helicity: -71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

652 
WUUS52 KFFC 052155
SVRFFC
GAC011-139-157-052230-
/O.NEW.KFFC.SV.W.0260.170705T2155Z-170705T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
555 PM EDT WED JUL 5 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Banks County in northeastern Georgia...
  Northeastern Hall County in north central Georgia...
  North central Jackson County in northeastern Georgia...

* Until 630 PM EDT

* At 555 PM EDT, a severe thunderstorm was located near Lula, moving 
  northeast at 25 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...
  Gainesville, Homer, Lula, Maysville, Clermont, Gillsville,
  Pinefield Crossroads, 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 3450 8366 3443 8361 3444 8360 3449 8354
      3448 8346 3446 8341 3442 8338 3432 8339
      3426 8334 3422 8380 3444 8387 3451 8370
TIME...MOT...LOC 2155Z 243DEG 23KT 3436 8373 

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

1 follow-up statement

958 
WWUS52 KFFC 052222
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
622 PM EDT WED JUL 5 2017

GAC011-139-157-052230-
/O.EXP.KFFC.SV.W.0260.000000T0000Z-170705T2230Z/
Banks GA-Hall GA-Jackson GA-
622 PM EDT WED JUL 5 2017

...THE SEVERE THUNDERSTORM WARNING FOR BANKS...NORTHEASTERN HALL AND
NORTH CENTRAL JACKSON COUNTIES WILL EXPIRE AT 630 PM EDT...
                
The storms that prompted the warning have weakened below severe 
limits and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However small hail, 
gusty winds and heavy rain are still possible with these 
thunderstorms, especially across Banks and northern Jackson 
Counties. 

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

LAT...LON 3450 8366 3443 8361 3444 8360 3449 8354
      3448 8346 3446 8341 3442 8338 3432 8339
      3426 8334 3422 8380 3444 8387 3451 8370
TIME...MOT...LOC 2220Z 243DEG 23KT 3442 8358 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 1:13 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	47 min
Jul 5, 1:50 PM EDT	Special Weather Statement	FFC	Chattooga	40 min
Jul 5, 1:56 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	49 min
Jul 5, 2:22 PM EDT	Special Weather Statement	FFC	Whitfield	38 min
Jul 5, 2:25 PM EDT	Special Weather Statement	FFC	Bartow	50 min
Jul 5, 2:40 PM EDT	Special Weather Statement	FFC	Murray	50 min
Jul 5, 2:51 PM EDT	Special Weather Statement	FFC	Murray, Whitfield	39 min
Jul 5, 3:01 PM EDT	Special Weather Statement	FFC	Dade	29 min
Jul 5, 3:10 PM EDT	Special Weather Statement	FFC	Bartow, Cherokee	50 min
Jul 5, 3:57 PM EDT	Special Weather Statement	FFC	Fannin, Gilmer	48 min
Jul 5, 4:34 PM EDT	Special Weather Statement	FFC	Fannin	41 min
Jul 5, 5:03 PM EDT	Special Weather Statement	FFC	Chattooga, Floyd, Polk	42 min
Jul 5, 5:06 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Hall, Lumpkin, Union, White	27 min
Jul 5, 5:10 PM EDT	Special Weather Statement	FFC	Union	50 min
Jul 5, 5:31 PM EDT	Special Weather Statement	FFC	Haralson, Polk	44 min
Jul 5, 5:37 PM EDT	Special Weather Statement	FFC	Banks, Hall, White	23 min
Jul 5, 5:39 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Haralson, Paulding, Polk	51 min
Jul 5, 5:42 PM EDT	Special Weather Statement	FFC	Crawford	33 min
Jul 5, 5:51 PM EDT	Special Weather Statement	FFC	Gordon	39 min
Jul 5, 6:19 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	26 min
Jul 5, 6:28 PM EDT	Special Weather Statement	FFC	Banks	32 min
Jul 5, 6:43 PM EDT	Special Weather Statement	FFC	Cobb, Douglas	47 min
Jul 5, 6:55 PM EDT	Special Weather Statement	FFC	Jackson, Madison	50 min
Jul 5, 7:48 PM EDT	Special Weather Statement	FFC	Jones	42 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every 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.