Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 14, NWS Greenville-Spartanburg, SC

June 22, 2017Habersham County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this tornado warning at Jun 22, 2017, 8:12 PM EDT for Habersham County, Stephens County, Georgia. It was in force for 48 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, 8:12 PM EDT (00:12 UTC)
Expired
Jun 22, 2017, 9:00 PM EDT
In force
48 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), 129 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 153 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.

477 
WFUS52 KGSP 230012
TORGSP
GAC137-257-230100-
/O.NEW.KGSP.TO.W.0014.170623T0012Z-170623T0100Z/

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

The National Weather Service in Greenville-Spartanburg has issued a

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

* Until 900 PM EDT
    
* At 812 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles south of Cleveland, or 4 miles northwest of
  Lula, moving northeast at 20 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...
  Baldwin and Alto around 840 PM EDT. 
  Cornelia, Mount Airy and Demorest around 850 PM EDT. 
  Clarkesville around 900 PM EDT. 

Other locations impacted by this dangerous thunderstorm include
Raoul.

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 3454 8362 3457 8363 3468 8349 3447 8335
      3446 8340 3448 8347 3449 8354 3446 8358
      3445 8359 3445 8360 3443 8362 3451 8367
TIME...MOT...LOC 0012Z 239DEG 17KT 3444 8371 

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

$$

08
2 follow-up statements
058 
WWUS52 KGSP 230049
SVSGSP

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

GAC137-257-230100-
/O.CON.KGSP.TO.W.0014.000000T0000Z-170623T0100Z/
Stephens GA-Habersham GA-
849 PM EDT THU JUN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHWESTERN STEPHENS AND SOUTHWESTERN HABERSHAM COUNTIES...
    
At 848 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Clarkesville, or over Baldwin, 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...
  Clarkesville, Mount Airy, Cornelia and Demorest around 900 PM EDT. 

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 3447 8357 3455 8362 3456 8363 3467 8348
      3447 8335 3446 8340 3448 8347 3449 8354
TIME...MOT...LOC 0048Z 244DEG 15KT 3450 8356 

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

$$

08
480 
WWUS52 KGSP 230059
SVSGSP

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

GAC137-257-230109-
/O.EXP.KGSP.TO.W.0014.000000T0000Z-170623T0100Z/
Stephens GA-Habersham GA-
859 PM EDT THU JUN 22 2017

...THE TORNADO WARNING FOR SOUTHWESTERN STEPHENS AND SOUTHWESTERN
HABERSHAM COUNTIES WILL EXPIRE AT 900 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.  However gusty winds
are still possible with this thunderstorm.

If you observed large hail or wind damage, please report it 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 3447 8357 3455 8362 3456 8363 3467 8348
      3447 8335 3446 8340 3448 8347 3449 8354
TIME...MOT...LOC 0059Z 239DEG 17KT 3440 8376 

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
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, 9:10 PM EDTTornado WarningGSPHabersham, Stephens35 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.