Alert archive / South Carolina / Tornado Warnings in 2021

Tornado Warning 9, NWS Greenville-Spartanburg, SC

March 25, 20215 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 25, 2021, 4:14 PM EDT for 5 counties in South Carolina. It was in force for 46 min. 2 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 25, 2021, 4:14 PM EDT (20:14 UTC)
Expired
Mar 25, 2021, 5:00 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Abbeville County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC

The radar

The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 20:13 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

TimeReportWhereRemark
Mar 25, 4:20 PM EDTTSTM WND DMG3 Se Hickory Tavern, SCTREES DOWN WITH VARIED DIRECTION OF FALL, 1800 BLOCK OF WILSONTOWN RD.
Mar 25, 4:36 PM EDTHAIL 12 Ne Laurens, SCALSO REPORTED HIGH WIND. WATTSVILLE COMMUNITY.

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, 8.2 hours before the alert went out and 258 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, Charleston AFB, SC at 12:00Z on 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Charleston AFB, SC at 12:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
2 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
869 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

825 
WFUS52 KGSP 252014
TORGSP
SCC001-045-047-059-087-252100-
/O.NEW.KGSP.TO.W.0009.210325T2014Z-210325T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
414 PM EDT Thu Mar 25 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Laurens County in Upstate South Carolina...
  South central Greenville County in Upstate South Carolina...
  Northeastern Abbeville County in Upstate South Carolina...
  Southwestern Union County in Upstate South Carolina...
  Northwestern Greenwood County in Upstate South Carolina...

* Until 500 PM EDT.
    
* At 414 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 16 miles west of Laurens, or near Ware Shoals, moving
  east at 45 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...
  Waterloo around 430 PM EDT.
  Laurens around 440 PM EDT.
  Clinton and Joanna around 450 PM EDT.
  Rose Hill State Park around 500 PM EDT.

Other locations impacted by this dangerous thunderstorm include Cross
Keys, Sedalia, Princeton, Hickory Tavern and Ora.

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 3444 8239 3448 8231 3453 8237 3462 8193
      3458 8186 3464 8184 3468 8163 3449 8158
      3453 8164 3439 8177 3431 8236
TIME...MOT...LOC 2014Z 256DEG 40KT 3442 8230 

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

$$

RWH
2 follow-up statements
624 
WWUS52 KGSP 252025
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
425 PM EDT Thu Mar 25 2021

SCC001-045-047-252035-
/O.CAN.KGSP.TO.W.0009.000000T0000Z-210325T2100Z/
Greenville SC-Abbeville SC-Greenwood SC-
425 PM EDT Thu Mar 25 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL GREENVILLE...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 3437 8218 3438 8221 3447 8231 3448 8231
      3454 8224 3456 8223 3462 8193 3458 8186
      3464 8184 3468 8163 3449 8158 3453 8162
      3453 8164 3439 8177 3434 8217
TIME...MOT...LOC 2025Z 256DEG 40KT 3445 8215 

$$

SCC059-087-252100-
/O.CON.KGSP.TO.W.0009.000000T0000Z-210325T2100Z/
Laurens SC-Union SC-
425 PM EDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR LAURENS
AND SOUTHWESTERN UNION COUNTIES...
    
At 425 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Laurens, or 6 miles northeast of
Ware Shoals, moving east at 45 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...
  Waterloo around 430 PM EDT.
  Laurens around 440 PM EDT.
  Clinton and Joanna around 450 PM EDT.
  Rose Hill State Park around 500 PM EDT.

Other locations impacted by this dangerous storm include Cross Keys,
Sedalia, Hickory Tavern, Ora and Mountville.

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 3437 8218 3438 8221 3447 8231 3448 8231
      3454 8224 3456 8223 3462 8193 3458 8186
      3464 8184 3468 8163 3449 8158 3453 8162
      3453 8164 3439 8177 3434 8217
TIME...MOT...LOC 2025Z 256DEG 40KT 3445 8215 

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

$$

RWH
386 
WWUS52 KGSP 252044
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
444 PM EDT Thu Mar 25 2021

SCC059-087-252100-
/O.CON.KGSP.TO.W.0009.000000T0000Z-210325T2100Z/
Laurens SC-Union SC-
444 PM EDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR EAST
CENTRAL LAURENS AND SOUTHWESTERN UNION COUNTIES...
    
At 444 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Laurens, or near Clinton, moving east at
45 mph.

HAZARD...Tornado and quarter 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...
  Rose Hill State Park around 500 PM EDT.

Other locations impacted by this dangerous storm include Cross Keys,
Sedalia and Ora.

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 3448 8204 3460 8203 3462 8193 3458 8186
      3464 8184 3468 8163 3449 8158 3453 8162
      3453 8164 3439 8177 3437 8196
TIME...MOT...LOC 2044Z 256DEG 40KT 3450 8189 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RWH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 2:14 PM EDTSpecial Weather StatementGSPOconee31 min
Mar 25, 2:40 PM EDTTornado WarningGSPGreenville, Pickens, Spartanburg50 min
Mar 25, 3:27 PM EDTTornado WarningGSPAbbeville, Anderson, Greenville48 min
Mar 25, 4:01 PM EDTTornado WarningGSPCherokee, Spartanburg44 min
Mar 25, 4:54 PM EDTTornado WarningGSPChester, Laurens, Union51 min
Mar 25, 5:47 PM EDTSevere Thunderstorm WarningGSPChester28 min
Mar 25, 6:23 PM EDTSpecial Weather StatementGSPGreenville22 min
Mar 25, 6:54 PM EDTSpecial Weather StatementGSPSpartanburg51 min
Mar 25, 7:41 PM EDTAreal Flood AdvisoryGSPOconee11 hr

Nearby

Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes 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.