Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 32, NWS Greenville-Spartanburg, SC

October 23, 2017Cherokee County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 23, 2017, 2:54 PM EDT for Cherokee County, Spartanburg County, South Carolina. It was in force for 36 min. 7 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: Oct 23, 2017, 2:54 PM EDT (18:54 UTC)
Expired: Oct 23, 2017, 3:30 PM EDT
In force: 36 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Cherokee County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 24 km from the middle of the area, began a volume at 18:56 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
Oct 23, 2:54 PM EDT	TORNADO	4 Nw Woodruff, SC	TWO HOUSES DAMAGED ON GREENPOND RD
Oct 23, 2:56 PM EDT	TORNADO	4 Nw Woodruff, SC	TREE THROUGH MOBILE HOME ON GREENPOND RD. TREE ON ROOF OF ANOTHER MOBILE HOME, HORSE BARN DESTROYED, AND NUMEROUS TREES AND POWERLINES DOWN ON GREENPOND RD.
Oct 23, 3:01 PM EDT	TORNADO	3 W Roebuck, SC	SEVERAL LARGE TREES DOWN NEAR ANDERSON MILL RD AND THE TYGER RIVER.
Oct 23, 3:10 PM EDT	TSTM WND DMG	5 Ene Spartanburg, SC	TREES AND BRANCHES DOWN AT 585 FRONTAGE RD NEAR THE MILLIKEN PLANT
Oct 23, 3:12 PM EDT	TORNADO	2 W Spartanburg, SC	NUMEROUS LARGE TREES AND POWERLINES DOWN ON W.O. EZELL RD.
Oct 23, 3:12 PM EDT	TORNADO	3 W Spartanburg, SC	TREES SNAPPED AT CAMELOT DR AND HWY 21.
Oct 23, 3:30 PM EDT	TSTM WND DMG	2 Sse Chesnee, SC	2 TREES DOWN ON BATTLEGROUND RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 23, 2:00 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 233 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

319 
WFUS52 KGSP 231854
TORGSP
SCC021-083-231930-
/O.NEW.KGSP.TO.W.0032.171023T1854Z-171023T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
254 PM EDT MON OCT 23 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Central Spartanburg County in Upstate South Carolina...
  Southwestern Cherokee County in Upstate South Carolina...

* Until 330 PM EDT
    
* At 254 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles southwest of Spartanburg, or near Moore,
  moving northeast at 35 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...
  Moore around 300 PM EDT. 
  Roebuck and Cedar Springs around 310 PM EDT. 
  Spartanburg, Croft State Park, USC Upstate and Pacolet around 320 
  PM EDT. 
  Cowpens, Mayo and Pacolet Mills around 330 PM EDT. 

Other locations impacted by this dangerous thunderstorm include
Pauline and Thicketty.

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.

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 3472 8208 3474 8209 3475 8211 3480 8217
      3480 8216 3482 8219 3515 8184 3495 8162
      3491 8168 3491 8171 3487 8175 3469 8204
TIME...MOT...LOC 1854Z 227DEG 31KT 3481 8205 

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

$$

KRENTZ

3 follow-up statements

333 
WWUS52 KGSP 231902
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
302 PM EDT MON OCT 23 2017

SCC021-083-231930-
/O.CON.KGSP.TO.W.0032.000000T0000Z-171023T1930Z/
Spartanburg SC-Cherokee SC-
302 PM EDT MON OCT 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CENTRAL
SPARTANBURG AND SOUTHWESTERN CHEROKEE COUNTIES...
        
At 301 PM EDT, a confirmed tornado was located 9 miles southwest of
Spartanburg, or near Moore, moving northeast at 30 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

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 tornado will be near...
  Roebuck around 310 PM EDT. 
  Cedar Springs, Croft State Park and USC Upstate around 320 PM EDT. 
  Spartanburg, Cowpens, Pacolet Mills, Pacolet and Mayo around 330 
  PM EDT. 

Other locations impacted by this dangerous storm include Pauline and
Thicketty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

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 3472 8208 3474 8209 3475 8211 3480 8217
      3480 8216 3482 8219 3515 8184 3495 8162
      3491 8168 3491 8171 3487 8175 3469 8204
TIME...MOT...LOC 1901Z 224DEG 27KT 3484 8202 

TORNADO...OBSERVED
HAIL...<.75IN

$$

KRENTZ

303 
WWUS52 KGSP 231908
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
308 PM EDT MON OCT 23 2017

SCC021-083-231930-
/O.CON.KGSP.TO.W.0032.000000T0000Z-171023T1930Z/
Spartanburg SC-Cherokee SC-
308 PM EDT MON OCT 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CENTRAL
SPARTANBURG AND SOUTHWESTERN CHEROKEE COUNTIES...
        
At 308 PM EDT, a confirmed tornado was located near Spartanburg, or
near Roebuck, moving northeast at 40 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

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 tornado will be near...
  Cedar Springs and Croft State Park around 310 PM EDT. 
  Spartanburg, USC Upstate and Boiling Springs SC around 320 PM EDT. 
  Mayo and Cowpens around 330 PM EDT. 

Other locations impacted by this dangerous storm include Pauline and
Thicketty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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 3515 8184 3495 8162 3491 8168 3491 8171
      3487 8175 3480 8196 3490 8211
TIME...MOT...LOC 1908Z 216DEG 37KT 3492 8199 

TORNADO...OBSERVED
HAIL...<.75IN

$$

KRENTZ

525 
WWUS52 KGSP 231919
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
319 PM EDT MON OCT 23 2017

SCC021-083-231930-
/O.CON.KGSP.TO.W.0032.000000T0000Z-171023T1930Z/
Spartanburg SC-Cherokee SC-
319 PM EDT MON OCT 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR
NORTHEASTERN SPARTANBURG AND WEST CENTRAL CHEROKEE COUNTIES...
        
At 318 PM EDT, a confirmed tornado was located near Spartanburg, or
over USC Upstate, moving northeast at 35 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

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 tornado will be near...
  Boiling Springs SC, Mayo and Cowpens around 330 PM EDT. 

Other locations impacted by this dangerous storm include Thicketty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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 3502 8169 3491 8182 3489 8195 3497 8204
      3515 8184
TIME...MOT...LOC 1918Z 227DEG 16KT 3499 8196 

TORNADO...OBSERVED
HAIL...<.75IN

$$

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 23, 11:43 AM EDT	Special Weather Statement	GSP	Greenville	47 min
Oct 23, 11:58 AM EDT	Areal Flood Advisory	GSP	Oconee	9 hr
Oct 23, 12:27 PM EDT	Special Weather Statement	GSP	Greenville	33 min
Oct 23, 1:09 PM EDT	Special Weather Statement	GSP	Oconee	51 min
Oct 23, 1:38 PM EDT	Special Weather Statement	GSP	Anderson	52 min
Oct 23, 2:02 PM EDT	Special Weather Statement	GSP	Pickens	28 min
Oct 23, 2:07 PM EDT	Special Weather Statement	GSP	Abbeville	23 min
Oct 23, 2:16 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenville, Laurens	44 min
Oct 23, 2:23 PM EDT	Areal Flood Advisory	GSP	Pickens	5 hr
Oct 23, 2:25 PM EDT	Special Weather Statement	GSP	Spartanburg	35 min
Oct 23, 2:41 PM EDT	Special Weather Statement	GSP	Laurens, Union	49 min
Oct 23, 2:53 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Laurens, Spartanburg, Union	31 min
Oct 23, 2:55 PM EDT	Areal Flood Advisory	GSP	Anderson, Greenville, Pickens	4 hr
Oct 23, 3:27 PM EDT	Areal Flood Advisory	GSP	Spartanburg	6 hr
Oct 23, 3:30 PM EDT	Special Weather Statement	GSP	Cherokee	30 min
Oct 23, 3:32 PM EDT	Tornado Warning	GSP	Cherokee	28 min
Oct 23, 4:30 PM EDT	Special Weather Statement	GSP	Chester, York	60 min
Oct 23, 4:58 PM EDT	Areal Flood Advisory	GSP	York	6 hr
Oct 23, 7:20 PM EDT	Areal Flood Advisory	GSP	Anderson, Greenville, Pickens, Spartanburg	3 hr

Nearby

Tornado Warnings in South Carolina, 2017 Every tornado warning in 2017 Tornadoes 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.