Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Greenville-Spartanburg, SC

March 26, 2021Abbeville County, Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 26, 2021, 9:41 AM EDT for Abbeville County, Greenwood County, Laurens County, South Carolina. It was in force for 49 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: Mar 26, 2021, 9:41 AM EDT (13:41 UTC)
Expired: Mar 26, 2021, 10:30 AM EDT
In force: 49 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Greer radar (KGSP), 52 km from the middle of the area, began a volume at 13:40 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 26, 9:47 AM EDT	HAIL 1	Ware Shoals, SC	NICKEL TO QUARTER SIZED HAIL THAT FELL FOR OVER 2 MINUTES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 1.7 hours before the alert went out and 250 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: 16 J/kg
Mixed-layer CIN: -319 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

060 
WUUS52 KGSP 261341
SVRGSP
SCC001-047-059-261430-
/O.NEW.KGSP.SV.W.0009.210326T1341Z-210326T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
941 AM EDT Fri Mar 26 2021

The National Weather Service in Greenville-Spartanburg has issued a

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

* Until 1030 AM EDT.

* At 941 AM EDT, a severe thunderstorm was located 8 miles north of
  Abbeville, or near Due West, moving northeast at 55 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...
  Laurens, Abbeville, Clinton, Ware Shoals, Joanna, Due West,
  Donalds, Cokesbury, Waterloo and Hodges.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. 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 3415 8239 3430 8251 3462 8193 3460 8191
      3459 8189 3460 8188 3458 8186 3459 8186
      3460 8184 3457 8180 3457 8175 3455 8172
      3456 8168 3453 8165 3446 8170 3445 8172
      3443 8174
TIME...MOT...LOC 1341Z 240DEG 49KT 3430 8234 

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

RWH

2 follow-up statements

660 
WWUS52 KGSP 261358
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
958 AM EDT Fri Mar 26 2021

SCC001-047-261407-
/O.CAN.KGSP.SV.W.0009.000000T0000Z-210326T1430Z/
Abbeville SC-Greenwood SC-
958 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ABBEVILLE AND
NORTHWESTERN GREENWOOD COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
these counties. Therefore the warning has been cancelled.

LAT...LON 3430 8208 3431 8212 3432 8214 3433 8217
      3437 8218 3439 8223 3443 8227 3462 8193
      3458 8186 3460 8184 3457 8180 3457 8175
      3455 8172 3456 8168 3453 8165 3446 8170
      3443 8174 3429 8207
TIME...MOT...LOC 1357Z 240DEG 54KT 3443 8206 

$$

SCC059-261430-
/O.CON.KGSP.SV.W.0009.000000T0000Z-210326T1430Z/
Laurens SC-
958 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT
FOR CENTRAL LAURENS COUNTY...

At 957 AM EDT, a severe thunderstorm was located 5 miles southwest of
Laurens, moving northeast at 60 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...
Laurens, Clinton, Joanna, Waterloo, Mountville, Ora, Ware Shoals and
Lake Greenwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. 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 3430 8208 3431 8212 3432 8214 3433 8217
      3437 8218 3439 8223 3443 8227 3462 8193
      3458 8186 3460 8184 3457 8180 3457 8175
      3455 8172 3456 8168 3453 8165 3446 8170
      3443 8174 3429 8207
TIME...MOT...LOC 1357Z 240DEG 54KT 3443 8206 

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

RWH

671 
WWUS52 KGSP 261420
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1020 AM EDT Fri Mar 26 2021

SCC059-261430-
/O.EXP.KGSP.SV.W.0009.000000T0000Z-210326T1430Z/
Laurens SC-
1020 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LAURENS COUNTY WILL
EXPIRE AT 1030 AM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning will 
be allowed to expire. However small hail and gusty winds are still 
possible with this thunderstorm.

LAT...LON 3430 8208 3431 8212 3432 8214 3433 8217
      3437 8218 3439 8223 3443 8227 3462 8193
      3458 8186 3460 8184 3457 8180 3457 8175
      3455 8172 3456 8168 3453 8165 3446 8170
      3443 8174 3429 8207
TIME...MOT...LOC 1420Z 240DEG 49KT 3456 8178 

$$

RWH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 11:06 PM EDT	Special Weather Statement	GSP	Spartanburg	24 min
Mar 25, 11:42 PM EDT	Special Weather Statement	GSP	Cherokee	48 min
Mar 25, 11:49 PM EDT	Areal Flood Advisory	GSP	Greenville, Oconee, Pickens	12 hr
Mar 25, 11:52 PM EDT	Special Weather Statement	GSP	Spartanburg	38 min
Mar 26, 12:20 AM EDT	Special Weather Statement	GSP	Chester, Union, York	40 min
Mar 26, 1:29 AM EDT	Severe Thunderstorm Warning	GSP	Oconee	31 min
Mar 26, 1:55 AM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	35 min
Mar 26, 2:28 AM EDT	Special Weather Statement	GSP	Greenville	32 min
Mar 26, 2:50 AM EDT	Areal Flood Advisory	GSP	Spartanburg	14 hr
Mar 26, 3:15 AM EDT	Special Weather Statement	GSP	Anderson	30 min
Mar 26, 3:21 AM EDT	River Flood Warning	GSP	Cherokee, York	30 hr
Mar 26, 3:23 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	24 min
Mar 26, 3:49 AM EDT	Special Weather Statement	GSP	Laurens	26 min
Mar 26, 4:01 AM EDT	Special Weather Statement	GSP	Abbeville	29 min
Mar 26, 4:14 AM EDT	Special Weather Statement	GSP	Laurens, Union	31 min
Mar 26, 4:25 AM EDT	Special Weather Statement	GSP	Chester	35 min
Mar 26, 4:29 AM EDT	Special Weather Statement	GSP	Abbeville, Greenwood	31 min
Mar 26, 4:44 AM EDT	Severe Thunderstorm Warning	GSP	Chester	31 min
Mar 26, 4:55 AM EDT	Special Weather Statement	GSP	Laurens	35 min
Mar 26, 5:20 AM EDT	Special Weather Statement	GSP	Chester	40 min
Mar 26, 6:17 AM EDT	River Flood Advisory	GSP	Greenville, Pickens	7 hr
Mar 26, 6:58 AM EDT	Special Weather Statement	GSP	Greenwood	17 min
Mar 26, 6:59 AM EDT	Special Weather Statement	GSP	Laurens	31 min
Mar 26, 9:20 AM EDT	Special Weather Statement	GSP	Abbeville	25 min
Mar 26, 11:28 AM EDT	Areal Flood Advisory	GSP	Pickens	14 hr
Mar 26, 1:32 PM EDT	River Flood Warning	GSP	Greenville, Pickens	31 hr
Mar 26, 4:37 PM EDT	Areal Flood Advisory	GSP	Spartanburg	10 hr

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.