Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 15, NWS Greenville-Spartanburg, SC

June 22, 2017Habersham County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this tornado warning at Jun 22, 2017, 9:10 PM EDT for Habersham County, Stephens County, Georgia. It was in force for 35 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
Jun 22, 2017, 9:10 PM EDT (01:10 UTC)
Expired
Jun 22, 2017, 9:45 PM EDT
In force
35 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Habersham County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 01:11 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 00:00Z, 1.2 hours before the alert went out and 172 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 00:00Z on 2017-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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 00:00Z on 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.193958Sfc1 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
279 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

821 
WFUS52 KGSP 230110
TORGSP
GAC137-257-230145-
/O.NEW.KGSP.TO.W.0015.170623T0110Z-170623T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
910 PM EDT THU JUN 22 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Stephens County in northeastern Georgia...
  Southeastern Habersham County in northeastern Georgia...

* Until 945 PM EDT
    
* At 910 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southeast of Clarkesville, or near Mount Airy,
  moving northeast 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...
  Toccoa around 930 PM EDT. 

Other locations impacted by this dangerous thunderstorm include
Eastanolee and Boydville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3468 8334 3468 8332 3464 8327 3463 8325
      3449 8318 3447 8343 3449 8347 3455 8351
TIME...MOT...LOC 0110Z 246DEG 15KT 3453 8345 

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

$$

08
1 follow-up statement
480 
WWUS52 KGSP 230130
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
930 PM EDT THU JUN 22 2017

GAC137-230140-
/O.CAN.KGSP.TO.W.0015.000000T0000Z-170623T0145Z/
Habersham GA-
930 PM EDT THU JUN 22 2017

...THE TORNADO WARNING FOR SOUTHEASTERN 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 3465 8338 3468 8334 3468 8332 3464 8327
      3463 8325 3454 8321 3450 8342 3453 8344
TIME...MOT...LOC 0130Z 246DEG 15KT 3456 8336 

$$

GAC257-230145-
/O.CON.KGSP.TO.W.0015.000000T0000Z-170623T0145Z/
Stephens GA-
930 PM EDT THU JUN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR CENTRAL
STEPHENS COUNTY...
    
At 930 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Toccoa, moving northeast 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 remain over mainly rural areas of central
Stephens County, including the following locations: Boydville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3465 8338 3468 8334 3468 8332 3464 8327
      3463 8325 3454 8321 3450 8342 3453 8344
TIME...MOT...LOC 0130Z 246DEG 15KT 3456 8336 

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

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:12 PM EDTTornado WarningGSPHabersham, Stephens48 min
Jun 22, 8:30 PM EDTSpecial Weather StatementGSPRabun45 min
Jun 22, 8:34 PM EDTSpecial Weather StatementGSPHart41 min
Jun 22, 9:02 PM EDTSpecial Weather StatementGSPStephens43 min
Jun 22, 9:38 PM EDTSpecial Weather StatementGSPElbert, Franklin, Hart67 min
Jun 23, 7:54 PM EDTSpecial Weather StatementGSPHabersham, Rabun51 min

Nearby

Tornado Warnings in Georgia, 2017Every tornado warning in 2017Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.