Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 4, NWS Greenville-Spartanburg, SC

March 30, 2017Oconee County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 30, 2017, 11:47 PM EDT for Oconee County, Pickens County, South Carolina. It was in force for 43 min. 3 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: Mar 30, 2017, 11:47 PM EDT (03:47 UTC)
Expired: Mar 31, 2017, 12:30 AM EDT
In force: 43 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 48 km from the middle of the area, began a volume at 03:47 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
Mar 30, 11:55 PM EDT	TSTM WND DMG	2 Sw Nine Times, SC	TREES DOWN AT THE RESERVE AT LAKE KEOWEE.
Mar 30, 11:55 PM EDT	HAIL 1	1 Sw Nine Times, SC	PEA TO QUARTER SIZED HAIL AT THE RESERVE AT LAKE KEOWEE.
Mar 31, 12:05 AM EDT	HAIL 0.5	6 W Pickens, SC	HAIL LARGER THAN A MARBLE BUT LESS THAN A DIME.

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 00:00Z, 3.8 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-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: 90 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2069 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

572 
WFUS52 KGSP 310347
TORGSP
SCC073-077-310430-
/O.NEW.KGSP.TO.W.0004.170331T0347Z-170331T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
1147 PM EDT THU MAR 30 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Central Pickens County in Upstate South Carolina...
  East central Oconee County in Upstate South Carolina...

* Until 1230 AM EDT
    
* At 1147 PM EDT, a severe thunderstorm capable of producing a
  tornado was located 9 miles north of Clemson, or near Six Mile,
  moving northeast 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...
  Six Mile around 1150 PM EDT. 
  Keowee Toxaway State Park and Lake Keowee around 1200 AM EDT. 
  Pickens around 1210 AM EDT. 
  Table Rock State Park around 1230 AM EDT. 

Other locations impacted by this dangerous thunderstorm include
Sunset, Pumpkintown, Nine Times and Dacusville.

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 3480 8299 3507 8278 3507 8277 3505 8275
      3505 8274 3506 8273 3505 8272 3506 8270
      3494 8253 3493 8252 3492 8253 3472 8287
TIME...MOT...LOC 0347Z 222DEG 23KT 3482 8287 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KRENTZ

1 follow-up statement

831 
WWUS52 KGSP 310405
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1205 AM EDT FRI MAR 31 2017

SCC073-310414-
/O.CAN.KGSP.TO.W.0004.000000T0000Z-170331T0430Z/
Oconee SC-
1205 AM EDT FRI MAR 31 2017

...THE TORNADO WARNING FOR EAST CENTRAL OCONEE COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled.

LAT...LON 3486 8291 3489 8291 3507 8278 3507 8277
      3505 8275 3506 8273 3505 8272 3506 8270
      3493 8252 3492 8253 3479 8280
TIME...MOT...LOC 0404Z 222DEG 23KT 3491 8278 

$$

SCC077-310430-
/O.CON.KGSP.TO.W.0004.000000T0000Z-170331T0430Z/
Pickens SC-
1205 AM EDT FRI MAR 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR NORTHERN
PICKENS COUNTY...
    
At 1204 AM EDT, a severe thunderstorm capable of producing a tornado
was located 4 miles west of Pickens, moving northeast at 25 mph.

HAZARD...Tornado and half dollar size hail. 

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...
  Table Rock State Park around 1230 AM EDT. 

Other locations impacted by this dangerous storm include Sunset,
Pumpkintown, Nine Times and Dacusville.

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 3486 8291 3489 8291 3507 8278 3507 8277
      3505 8275 3506 8273 3505 8272 3506 8270
      3493 8252 3492 8253 3479 8280
TIME...MOT...LOC 0404Z 222DEG 23KT 3491 8278 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 10:44 PM EDT	Special Weather Statement	GSP	Oconee, Pickens	46 min
Mar 30, 11:35 PM EDT	Special Weather Statement	GSP	Pickens	40 min
Mar 31, 1:00 AM EDT	Special Weather Statement	GSP	Oconee	45 min
Mar 31, 4:06 AM EDT	Special Weather Statement	GSP	Anderson, Pickens	39 min
Mar 31, 6:16 AM EDT	Special Weather Statement	GSP	Spartanburg	44 min
Mar 31, 6:47 AM EDT	Special Weather Statement	GSP	Cherokee	73 min

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.