Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Greenville-Spartanburg, SC

June 14, 2021Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 14, 2021, 3:31 PM EDT for Pickens County, South Carolina. It was in force for 44 min. 1 report 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: Jun 14, 2021, 3:31 PM EDT (19:31 UTC)
Expired: Jun 14, 2021, 4:15 PM EDT
In force: 44 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pickens County, SC

The radar

The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 19:31 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
Jun 14, 3:34 PM EDT	HAIL 1.25	Six Mile, SC	ALSO WINDS OF 35 TO 40 KTS.

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, 7.5 hours before the alert went out and 215 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: 740 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1027 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

915 
WUUS52 KGSP 141931
SVRGSP
SCC077-142015-
/O.NEW.KGSP.SV.W.0049.210614T1931Z-210614T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
331 PM EDT Mon Jun 14 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southwestern Pickens County in Upstate South Carolina...

* Until 415 PM EDT.

* At 331 PM EDT, a severe thunderstorm was located 7 miles southwest
  of Pickens, or over Six Mile, moving southeast at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is expected. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Clemson, Central, Liberty, Norris and Six Mile. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.

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 3463 8285 3465 8283 3467 8285 3470 8285
      3470 8286 3473 8285 3474 8288 3477 8289
      3479 8288 3481 8290 3483 8290 3488 8278
      3476 8262 3467 8279 3462 8285
TIME...MOT...LOC 1931Z 325DEG 8KT 3481 8281 

HAIL...1.00IN
WIND...60MPH
 
$$

KRENTZ

1 follow-up statement

739 
WWUS52 KGSP 141945
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
345 PM EDT Mon Jun 14 2021

SCC077-142015-
/O.CON.KGSP.SV.W.0049.000000T0000Z-210614T2015Z/
Pickens SC-
345 PM EDT Mon Jun 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHWESTERN PICKENS COUNTY...

At 345 PM EDT, a severe thunderstorm was located 4 miles north of
Clemson, or near Central, moving southeast at 10 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is expected. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Clemson, Central, Liberty, Norris and Six Mile. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.

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 3463 8285 3465 8283 3467 8285 3470 8285
      3470 8286 3473 8285 3474 8288 3477 8289
      3479 8288 3480 8288 3485 8276 3476 8262
      3467 8279 3462 8285
TIME...MOT...LOC 1945Z 331DEG 8KT 3474 8279 

HAIL...1.25IN
WIND...60MPH
 
$$

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 2:20 PM EDT	Special Weather Statement	GSP	Greenville	25 min
Jun 14, 2:22 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	38 min
Jun 14, 2:45 PM EDT	Special Weather Statement	GSP	Pickens	30 min
Jun 14, 2:52 PM EDT	Special Weather Statement	GSP	Oconee	23 min
Jun 14, 3:00 PM EDT	Special Weather Statement	GSP	Greenville	30 min
Jun 14, 3:14 PM EDT	Special Weather Statement	GSP	Oconee	31 min
Jun 14, 3:34 PM EDT	Special Weather Statement	GSP	Greenville	41 min
Jun 14, 3:48 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Pickens	27 min
Jun 14, 3:53 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	26 min
Jun 14, 4:00 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg	45 min
Jun 14, 4:04 PM EDT	Severe Thunderstorm Warning	GSP	York	41 min
Jun 14, 4:10 PM EDT	Special Weather Statement	GSP	Cherokee	50 min
Jun 14, 4:14 PM EDT	Special Weather Statement	GSP	Anderson	31 min
Jun 14, 4:44 PM EDT	Special Weather Statement	GSP	York	46 min
Jun 14, 4:45 PM EDT	Special Weather Statement	GSP	Cherokee	30 min
Jun 14, 4:57 PM EDT	Special Weather Statement	GSP	Anderson	33 min
Jun 14, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	27 min
Jun 14, 5:22 PM EDT	Special Weather Statement	GSP	York	53 min
Jun 14, 6:32 PM EDT	Special Weather Statement	GSP	Chester	28 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2021 Every severe thunderstorm warning in 2021

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.