Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 57, NWS Greenville-Spartanburg, SC

October 10, 2020Habersham County, Rabun County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 10, 2020, 7:28 PM EDT for Habersham County, Rabun County, Stephens County, Georgia. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 10, 2020, 7:28 PM EDT (23:28 UTC)
Expired: Oct 10, 2020, 8:15 PM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Habersham County, GA, Rabun County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 106 km from the middle of the area, began a volume at 23:31 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.5 hours before the alert went out and 182 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: 261 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 503 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

596 
WFUS52 KGSP 102328
TORGSP
GAC137-241-257-110015-
/O.NEW.KGSP.TO.W.0057.201010T2328Z-201011T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
728 PM EDT Sat Oct 10 2020

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Northwestern Stephens County in northeastern Georgia...
  Central Habersham County in northeastern Georgia...
  Southwestern Rabun County in northeastern Georgia...

* Until 815 PM EDT.
    
* At 728 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Toccoa, moving northwest at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Tallulah Falls and Tallulah Gorge State Park around 800 PM EDT.
  Lake Rabun, Lakemont and Tiger around 810 PM EDT.

Other locations impacted by this dangerous thunderstorm include Seed
Lake, Hollywood, Turnerville and Boydville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3479 8363 3489 8333 3480 8330 3479 8332
      3476 8332 3473 8335 3470 8335 3469 8334
      3468 8334 3468 8332 3464 8327 3463 8325
      3458 8323 3451 8343
TIME...MOT...LOC 2328Z 157DEG 12KT 3462 8337 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RWH

3 follow-up statements

848 
WWUS52 KGSP 102349
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
749 PM EDT Sat Oct 10 2020

GAC257-102359-
/O.CAN.KGSP.TO.W.0057.000000T0000Z-201011T0015Z/
Stephens GA-
749 PM EDT Sat Oct 10 2020

...THE TORNADO WARNING FOR NORTHWESTERN STEPHENS 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 3479 8363 3489 8333 3480 8330 3479 8332
      3476 8332 3473 8335 3470 8335 3469 8334
      3467 8337 3452 8344
TIME...MOT...LOC 2349Z 175DEG 13KT 3470 8336 

$$

GAC137-241-110015-
/O.CON.KGSP.TO.W.0057.000000T0000Z-201011T0015Z/
Habersham GA-Rabun GA-
749 PM EDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR CENTRAL
HABERSHAM AND SOUTHWESTERN RABUN COUNTIES...
    
At 749 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Toccoa, or near Tallulah Falls, moving
north at 15 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Tallulah Gorge State Park and Tallulah Falls around 800 PM EDT.
  Lake Rabun around 810 PM EDT.
  Lakemont around 820 PM EDT.
  Clayton and Tiger around 830 PM EDT.

Other locations impacted by this dangerous storm include Turnerville,
Seed Lake and Hollywood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3479 8363 3489 8333 3480 8330 3479 8332
      3476 8332 3473 8335 3470 8335 3469 8334
      3467 8337 3452 8344
TIME...MOT...LOC 2349Z 175DEG 13KT 3470 8336 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RWH

002 
WWUS52 KGSP 102358
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
758 PM EDT Sat Oct 10 2020

GAC137-110007-
/O.CAN.KGSP.TO.W.0057.000000T0000Z-201011T0015Z/
Habersham GA-
758 PM EDT Sat Oct 10 2020

...THE TORNADO WARNING FOR CENTRAL HABERSHAM 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 3489 8333 3480 8330 3479 8332 3476 8332
      3474 8335 3472 8335 3473 8338 3473 8342
      3475 8343 3473 8346 3473 8349 3475 8355
      3479 8356 3480 8358 3481 8358
TIME...MOT...LOC 2357Z 168DEG 12KT 3473 8336 

$$

GAC241-110015-
/O.CON.KGSP.TO.W.0057.000000T0000Z-201011T0015Z/
Rabun GA-
758 PM EDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN RABUN COUNTY...
    
At 757 PM EDT, a severe thunderstorm capable of producing a tornado
was located 10 miles south of Clayton, or over Tallulah Gorge State
Park, moving north at 15 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Lake Rabun around 810 PM EDT.
  Lakemont around 820 PM EDT.
  Clayton and Tiger around 840 PM EDT.

Other locations impacted by this dangerous storm include Seed Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3489 8333 3480 8330 3479 8332 3476 8332
      3474 8335 3472 8335 3473 8338 3473 8342
      3475 8343 3473 8346 3473 8349 3475 8355
      3479 8356 3480 8358 3481 8358
TIME...MOT...LOC 2357Z 168DEG 12KT 3473 8336 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RWH

553 
WWUS52 KGSP 110007
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
807 PM EDT Sat Oct 10 2020

GAC241-110017-
/O.EXP.KGSP.TO.W.0057.000000T0000Z-201011T0015Z/
Rabun GA-
807 PM EDT Sat Oct 10 2020

...THE TORNADO WARNING FOR SOUTHWESTERN RABUN COUNTY WILL EXPIRE AT
815 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

LAT...LON 3489 8333 3480 8330 3479 8332 3476 8332
      3474 8335 3472 8335 3473 8338 3473 8342
      3475 8343 3473 8346 3473 8349 3475 8355
      3479 8356 3480 8358 3481 8358
TIME...MOT...LOC 0007Z 157DEG 12KT 3476 8337 

$$

RWH

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 10, 4:19 AM EDT	Flash Flood Watch	GSP	Habersham, Rabun	42 hr

Nearby

Tornado Warnings in Georgia, 2020 Every tornado warning in 2020 Tornadoes in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.