Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Greenville-Spartanburg, SC

April 9, 20214 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 9, 2021, 12:01 AM EDT for 4 counties in South Carolina. It was in force for 44 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: Apr 9, 2021, 12:01 AM EDT (04:01 UTC)
Expired: Apr 9, 2021, 12:45 AM EDT
In force: 44 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Abbeville County, SC, Anderson County, SC, Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 04:00 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.0 hours before the alert went out and 224 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: 366 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1722 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted.

441 
WUUS52 KGSP 090401
SVRGSP
SCC001-007-047-059-090445-
/O.NEW.KGSP.SV.W.0023.210409T0401Z-210409T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
1201 AM EDT Fri Apr 9 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southwestern Laurens County in Upstate South Carolina...
  Southeastern Anderson County in Upstate South Carolina...
  Northeastern Abbeville County in Upstate South Carolina...
  Northwestern Greenwood County in Upstate South Carolina...

* Until 1245 AM EDT.

* At 1200 AM EDT, a severe thunderstorm was located 13 miles
  southeast of Anderson, or 5 miles northwest of Due West, moving
  east at 25 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...
  Honea Path, Ware Shoals, Due West, Donalds, Cokesbury, Hodges and
  Shoals Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A few trees and power lines will be blown down in the warned area.
Hail can cause major property damage, especially to vehicles. 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 3435 8260 3447 8255 3449 8212 3422 8215
TIME...MOT...LOC 0400Z 274DEG 22KT 3438 8248 

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

LANE

2 follow-up statements

401 
WWUS52 KGSP 090416
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1216 AM EDT Fri Apr 9 2021

SCC007-090425-
/O.CAN.KGSP.SV.W.0023.000000T0000Z-210409T0445Z/
Anderson SC-
1216 AM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ANDERSON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled. However, 
another strong storm will produce small hail and gusty winds in the 
city of Anderson and vicinity through around 12:45 AM.  

LAT...LON 3433 8252 3441 8242 3445 8236 3449 8212
      3422 8215
TIME...MOT...LOC 0415Z 274DEG 22KT 3437 8237 

$$

SCC001-047-059-090445-
/O.CON.KGSP.SV.W.0023.000000T0000Z-210409T0445Z/
Laurens SC-Abbeville SC-Greenwood SC-
1216 AM EDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR SOUTHWESTERN LAURENS...NORTHEASTERN ABBEVILLE AND NORTHWESTERN
GREENWOOD COUNTIES...

At 1215 AM EDT, a severe thunderstorm was located 13 miles north of
Abbeville, or near Donalds, moving east at 25 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...
Ware Shoals, Due West, Donalds, Cokesbury, Hodges and Shoals
Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A few trees and power lines will be blown down in the warned area.
Hail can cause major property damage, especially to vehicles. 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 3433 8252 3441 8242 3445 8236 3449 8212
      3422 8215
TIME...MOT...LOC 0415Z 274DEG 22KT 3437 8237 

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

LANE

804 
WWUS52 KGSP 090440
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1240 AM EDT Fri Apr 9 2021

SCC001-090449-
/O.CAN.KGSP.SV.W.0023.000000T0000Z-210409T0445Z/
Abbeville SC-
1240 AM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ABBEVILLE 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 3426 8228 3427 8230 3429 8231 3432 8231
      3432 8232 3433 8233 3434 8233 3441 8225
      3444 8222 3444 8213 3422 8215
TIME...MOT...LOC 0439Z 274DEG 22KT 3436 8219 

$$

SCC047-059-090445-
/O.CON.KGSP.SV.W.0023.000000T0000Z-210409T0445Z/
Laurens SC-Greenwood SC-
1240 AM EDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR SOUTHWESTERN LAURENS AND NORTHWESTERN GREENWOOD COUNTIES...

At 1239 AM EDT, a severe thunderstorm was located 11 miles north of
Greenwood, or near Ware Shoals, moving east at 25 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...
Ware Shoals, Cokesbury, Hodges and Shoals Junction. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Large hail can cause major property damage, especially to vehicles.
Strong winds may blow down a few trees and power lines. 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 3426 8228 3427 8230 3429 8231 3432 8231
      3432 8232 3433 8233 3434 8233 3441 8225
      3444 8222 3444 8213 3422 8215
TIME...MOT...LOC 0439Z 274DEG 22KT 3436 8219 

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

LANE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 9:50 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	25 min
Apr 8, 10:12 PM EDT	Special Weather Statement	GSP	Oconee	33 min
Apr 8, 10:14 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee	46 min
Apr 8, 10:30 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	45 min
Apr 8, 11:02 PM EDT	Special Weather Statement	GSP	Anderson	43 min
Apr 8, 11:26 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	34 min
Apr 8, 11:36 PM EDT	Special Weather Statement	GSP	Anderson	24 min
Apr 8, 11:58 PM EDT	Special Weather Statement	GSP	Anderson	32 min
Apr 9, 12:05 AM EDT	Special Weather Statement	GSP	Laurens	25 min
Apr 9, 12:47 AM EDT	Special Weather Statement	GSP	Greenwood	28 min
Apr 9, 12:58 AM EDT	Special Weather Statement	GSP	Greenville	32 min
Apr 9, 1:02 AM EDT	Special Weather Statement	GSP	Laurens	28 min
Apr 9, 1:16 AM EDT	Special Weather Statement	GSP	Laurens	44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.