Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 22, NWS Greenville-Spartanburg, SC

October 8, 2017Greenville County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 8, 2017, 4:33 PM EDT for Greenville County, Pickens County, South Carolina. It was in force for 42 min. 6 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 8, 2017, 4:33 PM EDT (20:33 UTC)
Expired
Oct 8, 2017, 5:15 PM EDT
In force
42 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Greenville County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 47 km from the middle of the area, began a volume at 20:34 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

TimeReportWhereRemark
Oct 8, 4:36 PM EDTTORNADONorris, SCNWS STORM SURVEY CONFIRMED AN EF2 TORNADO IN PICKENS COUNTY SC.
Oct 8, 4:51 PM EDTTORNADONorris, SCNORRIS POLICE DEPARTMENT REPORTS MULTIPLE TREES AND POWER LINES DOWN. LIKELY TORNADO.
Oct 8, 4:54 PM EDTTORNADO2 Wsw Pickens, SCMULTIPLE TREES AND POWER LINES DOWN. LIKELY TORNADO.
Oct 8, 4:55 PM EDTTORNADOLiberty, SCSEVERAL ROOFS TORN OFF HOMES ALONG LIBERTY HIGHWAY. LIKELY TORNADO.
Oct 8, 4:55 PM EDTTORNADOLiberty, SCNUMEROUS TREES AND POWER LINES DOWN ALONG LIBERTY HIGHWAY. LIKELY TORNADO.
Oct 8, 5:00 PM EDTTORNADO4 S Liberty, SCSINGLE FAMILY HOME LOST ROOF ALONG BRADLEY DRIVE. LIKELY TORNADO.

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, 8.6 hours before the alert went out and 240 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 12:00Z on 2017-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 333 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 12:00Z on 2017-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
333 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted.

717 
WFUS52 KGSP 082033
TORGSP
SCC045-077-082115-
/O.NEW.KGSP.TO.W.0022.171008T2033Z-171008T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
433 PM EDT SUN OCT 8 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Northwestern Greenville County in Upstate South Carolina...
  Pickens County in Upstate South Carolina...

* Until 515 PM EDT
    
* At 433 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles northeast of Clemson, or near Norris, moving
  north 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...
  Pickens and Easley around 450 PM EDT. 
  Table Rock State Park and Caesars Head State Park around 510 PM 
  EDT. 

Other locations impacted by this dangerous thunderstorm include
Sunset, Pumpkintown, Sassafras Mountain, Nine Times and Cleveland.

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 3468 8285 3470 8285 3470 8286 3473 8285
      3474 8288 3508 8282 3509 8279 3507 8278
      3507 8275 3508 8275 3510 8269 3513 8268
      3512 8266 3513 8264 3513 8263 3515 8257
      3516 8255 3516 8248 3475 8263 3467 8279
TIME...MOT...LOC 2033Z 192DEG 32KT 3475 8276 

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

$$

HG
2 follow-up statements
717 
WWUS52 KGSP 082041
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
441 PM EDT SUN OCT 8 2017

SCC045-077-082115-
/O.CON.KGSP.TO.W.0022.000000T0000Z-171008T2115Z/
Greenville SC-Pickens SC-
441 PM EDT SUN OCT 8 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN GREENVILLE AND PICKENS COUNTIES...
        
At 440 PM EDT, a confirmed large and extremely dangerous tornado was
located 5 miles southwest of Pickens, or near Norris, moving north at
35 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Table Rock State Park and Caesars Head State Park around 510 PM 
  EDT. 

Other locations impacted by this dangerous storm include Sunset,
Pumpkintown, Sassafras Mountain, Nine Times and Cleveland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3468 8285 3470 8285 3470 8286 3473 8285
      3474 8288 3508 8282 3509 8279 3507 8278
      3507 8275 3508 8275 3510 8269 3513 8268
      3512 8266 3513 8264 3513 8263 3515 8257
      3516 8255 3516 8248 3475 8263 3467 8279
TIME...MOT...LOC 2040Z 192DEG 32KT 3481 8276 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

08
244 
WWUS52 KGSP 082050
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
450 PM EDT SUN OCT 8 2017

SCC045-077-082115-
/O.CON.KGSP.TO.W.0022.000000T0000Z-171008T2115Z/
Greenville SC-Pickens SC-
450 PM EDT SUN OCT 8 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN GREENVILLE AND NORTH CENTRAL PICKENS COUNTIES...
        
At 449 PM EDT, a confirmed tornado was located near Pickens, moving
north 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...
  Table Rock State Park and Caesars Head State Park around 510 PM 
  EDT. 

Other locations impacted by this dangerous storm include Sunset,
Pumpkintown, Sassafras Mountain and Rocky Bottom.

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 3482 8268 3485 8283 3508 8282 3509 8279
      3507 8278 3507 8275 3508 8275 3510 8269
      3513 8268 3512 8266 3513 8264 3513 8263
      3515 8257 3516 8255 3516 8253
TIME...MOT...LOC 2049Z 192DEG 32KT 3490 8274 

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

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 12:55 PM EDTSpecial Weather StatementGSPGreenville65 min
Oct 8, 3:05 PM EDTSpecial Weather StatementGSPSpartanburg40 min
Oct 8, 3:17 PM EDTSpecial Weather StatementGSPPickens43 min
Oct 8, 3:39 PM EDTAreal Flood AdvisoryGSPOconee2 hr
Oct 8, 3:46 PM EDTSpecial Weather StatementGSPCherokee44 min
Oct 8, 4:01 PM EDTSpecial Weather StatementGSPLaurens44 min
Oct 8, 4:08 PM EDTTornado WarningGSPLaurens37 min
Oct 8, 4:15 PM EDTTornado WarningGSPGreenwood, Laurens30 min
Oct 8, 4:35 PM EDTTornado Warning Tornado observedGSPLaurens, Spartanburg40 min
Oct 8, 4:38 PM EDTTornado WarningGSPLaurens, Union37 min
Oct 8, 5:04 PM EDTTornado Warning Tornado observedGSPCherokee, Spartanburg, Union41 min
Oct 8, 5:14 PM EDTTornado Warning Tornado observedGSPSpartanburg, Union46 min
Oct 8, 6:00 PM EDTTornado WarningGSPCherokee, Union45 min
Oct 8, 6:12 PM EDTAreal Flood AdvisoryGSPGreenville, Spartanburg2 hr
Oct 8, 6:24 PM EDTTornado WarningGSPCherokee36 min
Oct 8, 6:42 PM EDTSpecial Weather StatementGSPCherokee, Union48 min
Oct 8, 6:53 PM EDTSpecial Weather StatementGSPUnion37 min

Nearby

Tornado Warnings in South Carolina, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.