Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 8, NWS Greenville-Spartanburg, SC

May 24, 2017Laurens County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at May 24, 2017, 2:53 PM EDT for Laurens County, Union County, South Carolina. It was in force for 23 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
May 24, 2017, 2:53 PM EDT (18:53 UTC)
Expired
May 24, 2017, 3:16 PM EDT
In force
23 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Laurens County, SC, Union County, SC

The radar

The Greer radar (KGSP), 61 km from the middle of the area, began a volume at 18:58 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 watch it was issued in

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

IssuedProductOfficeLasted
May 24, 10:04 AM EDTTornado WatchSPC11 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 232 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 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
52 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

611 
WFUS52 KGSP 241853
TORGSP
SCC059-087-241930-
/O.NEW.KGSP.TO.W.0008.170524T1853Z-170524T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
253 PM EDT WED MAY 24 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  East central Laurens County in Upstate South Carolina...
  Central Union County in Upstate South Carolina...

* Until 330 PM EDT
    
* At 253 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 12 miles southwest of Union, or 4 miles southwest of
  Rose Hill State Park, moving north at 25 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...
  Rose Hill State Park around 300 PM EDT. 
  Buffalo around 320 PM EDT. 
  Union and Monarch Mill around 330 PM EDT. 

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

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 3451 8185 3480 8178 3474 8149 3473 8149
      3451 8161 3452 8162 3452 8163 3453 8164
      3450 8167 3446 8170
TIME...MOT...LOC 1853Z 196DEG 22KT 3456 8173 

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

$$

ARK
1 follow-up statement
380 
WWUS52 KGSP 241916
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
316 PM EDT WED MAY 24 2017

SCC059-087-241926-
/O.CAN.KGSP.TO.W.0008.000000T0000Z-170524T1930Z/
Laurens SC-Union SC-
316 PM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR EAST CENTRAL LAURENS AND CENTRAL UNION
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 600 PM EDT for Upstate South
Carolina.

LAT...LON 3451 8185 3480 8178 3474 8149 3473 8149
      3451 8161 3452 8162 3452 8163 3453 8164
      3450 8167 3446 8170
TIME...MOT...LOC 1915Z 196DEG 22KT 3470 8168 

$$

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 11:28 PM EDTSpecial Weather StatementGSPOconee32 min
May 24, 4:23 AM EDTFlash Flood WatchGSPAbbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more18 hr
May 24, 12:57 PM EDTSpecial Weather StatementGSPAbbeville48 min
May 24, 1:35 PM EDTSpecial Weather StatementGSPLaurens40 min
May 24, 1:58 PM EDTSpecial Weather StatementGSPAnderson47 min
May 24, 2:38 PM EDTSpecial Weather StatementGSPUnion37 min
May 24, 3:12 PM EDTSpecial Weather StatementGSPCherokee33 min
May 24, 4:24 PM EDTSpecial Weather StatementGSPPickens51 min
May 24, 4:45 PM EDTSpecial Weather StatementGSPOconee45 min
May 24, 5:24 PM EDTSpecial Weather StatementGSPPickens51 min
May 24, 6:02 PM EDTSpecial Weather StatementGSPAnderson28 min
May 24, 6:16 PM EDTSpecial Weather StatementGSPGreenville29 min
May 24, 6:36 PM EDTSpecial Weather StatementGSPAnderson24 min
May 24, 6:46 PM EDTSpecial Weather StatementGSPGreenville, Spartanburg44 min
May 24, 7:05 PM EDTSpecial Weather StatementGSPAbbeville25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.