Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 23, NWS Greenville-Spartanburg, SC

October 8, 2017Laurens County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 8, 2017, 4:35 PM EDT for Laurens County, Spartanburg County, South Carolina. It was in force for 40 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, 4:35 PM EDT (20:35 UTC)
Expired
Oct 8, 2017, 5:15 PM EDT
In force
40 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties Laurens County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 40 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, 4:45 PM EDTTORNADO6 Ne Laurens, SCNUMEROUS TREES DOWN WITH MANY SNAPPED OFF ALONG HIGHWAY 49 NEAR LAURENS ACADEMY JUST NORTH OF I385.
Oct 8, 4:52 PM EDTTORNADO4 Sw Cross Anchor, SCNWS STORM SURVEY CONFIRMED AN EF2 TORNADO IN SPARTANBURG COUNTY SC.
Oct 8, 4:57 PM EDTTORNADO4 Ene Enoree, SCTREES DOWN AND SNAPPED IN HALF. ONE DAMAGED A FENCE.
Oct 8, 5:00 PM EDTTORNADO3 Ene Laurens, SCCOUNTY REPORTS SIGNIFICANT DAMAGES TO HOUSE AROUND CASHEW TRAIL AND CURRY ROAD AREA.
Oct 8, 5:00 PM EDTTORNADO3 Ene Laurens, SCCOUNTY REPORTS SIGNIFICANT DAMAGE TO HOUSES AROUND CASHEW TRAIL AND CURRY ROAD AREA.
Oct 8, 5:15 PM EDTTORNADO5 Sse Pauline, SCTREES DOWN ALONG FRIENDSHIP CHURCH ROAD AND BLACKSTOCK ROAD.

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.6 hours before the alert went out and 248 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, Greensboro/Hi Pt, NC at 12:00Z on 2017-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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, Greensboro/Hi Pt, NC at 12:00Z on 2017-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
142 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

226 
WFUS52 KGSP 082035
TORGSP
SCC059-083-082115-
/O.NEW.KGSP.TO.W.0023.171008T2035Z-171008T2115Z/

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

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Central Laurens County in Upstate South Carolina...
  Southeastern Spartanburg County in Upstate South Carolina...

* Until 515 PM EDT
    
* At 435 PM EDT, a tornado producing storm was located near Laurens,
  moving north 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 dangerous storm will be near...
  Woodruff around 510 PM EDT. 

Other locations impacted by this dangerous thunderstorm include
Enoree, Cross Anchor and Ora.

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!

This storm has a history of producing strong tornadoes. Another
strong tornado could develop at any time. 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 3446 8205 3481 8202 3476 8180 3469 8182
      3444 8196
TIME...MOT...LOC 2035Z 192DEG 27KT 3450 8198 

TORNADO...OBSERVED
HAIL...0.00IN

$$

08
1 follow-up statement
531 
WWUS52 KGSP 082047
SVSGSP

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

SCC059-083-082115-
/O.CON.KGSP.TO.W.0023.000000T0000Z-171008T2115Z/
Laurens SC-Spartanburg SC-
447 PM EDT SUN OCT 8 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR NORTH
CENTRAL LAURENS AND SOUTHEASTERN SPARTANBURG COUNTIES...
        
At 447 PM EDT, a confirmed tornado was located 7 miles northeast of
Laurens, moving north 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...
  Woodruff around 510 PM EDT. 

Other locations impacted by this dangerous storm include Enoree,
Cross Anchor and Ora.

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.

This storm has a history of producing strong tornadoes. Another
strong tornado could develop at any time. 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 3453 8192 3455 8203 3469 8203 3481 8202
      3476 8180 3469 8182
TIME...MOT...LOC 2047Z 192DEG 27KT 3459 8196 

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, 4:33 PM EDTTornado WarningGSPGreenville, Pickens42 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.