Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 28, NWS Greenville-Spartanburg, SC

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

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 8, 2017, 5:14 PM EDT for Spartanburg County, Union County, South Carolina. It was in force for 46 min. 2 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, 5:14 PM EDT (21:14 UTC)
Expired
Oct 8, 2017, 6:00 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties Spartanburg County, SC, Union County, SC

The radar

The Greer radar (KGSP), 48 km from the middle of the area, began a volume at 21:14 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, 5:34 PM EDTTORNADO3 W Buffalo, SCNWS STORM SURVEY CONFIRMED AN EF0 TORNADO IN UNION COUNTY SC.
Oct 8, 5:35 PM EDTTORNADO4 W Buffalo, SCDAMAGE REPORTED TO TRAILER...SIDING...STORAGE BUILDING...AND SHINGLES. TREES WERE DOWN AND FLAG POLE BROKEN.

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, 9.2 hours before the alert went out and 219 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.

819 
WFUS52 KGSP 082114
TORGSP
SCC083-087-082200-
/O.NEW.KGSP.TO.W.0028.171008T2114Z-171008T2200Z/

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

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Southeastern Spartanburg County in Upstate South Carolina...
  Northwestern Union County in Upstate South Carolina...

* Until 600 PM EDT

* At 514 PM EDT, a confirmed tornado was located 12 miles southwest
  of Union, or 7 miles west of Rose Hill State Park, moving north at
  30 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Law enforcement 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. 

* The tornado will be near...
  Union and Buffalo around 540 PM EDT. 
  Jonesville around 550 PM EDT. 
  Pacolet and Pacolet Mills around 600 PM EDT. 

Other locations impacted by this dangerous thunderstorm include Cross
Keys and Sedalia.

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 3457 8175 3457 8180 3460 8184 3460 8185
      3494 8179 3493 8173 3491 8170 3491 8168
      3490 8167 3490 8165 3488 8164 3488 8163
      3489 8159 3488 8157 3456 8173
TIME...MOT...LOC 2114Z 193DEG 25KT 3459 8179 

TORNADO...OBSERVED
HAIL...0.00IN

$$

08
1 follow-up statement
077 
WWUS52 KGSP 082136
SVSGSP

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

SCC083-087-082200-
/O.CON.KGSP.TO.W.0028.000000T0000Z-171008T2200Z/
Spartanburg SC-Union SC-
536 PM EDT SUN OCT 8 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
SOUTHEASTERN SPARTANBURG AND NORTHWESTERN UNION COUNTIES...
    
At 536 PM EDT, a confirmed tornado was located 7 miles west of Union,
or near Buffalo, moving north at 30 mph.

HAZARD...Damaging tornado. 

SOURCE...Law enforcement 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...
  Jonesville, Pacolet and Pacolet Mills around 600 PM EDT. 

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 3467 8173 3469 8182 3477 8182 3494 8179
      3493 8173 3491 8170 3491 8168 3490 8167
      3490 8165 3488 8164 3488 8163 3489 8159
      3489 8158
TIME...MOT...LOC 2136Z 195DEG 24KT 3473 8175 

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, 4:35 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, 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.