Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 10, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 25, 2021, 4:54 PM EDT for Chester County, Laurens County, Union County, South Carolina. It was in force for 51 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, 4:54 PM EDT (20:54 UTC)
- Expired
- Mar 25, 2021, 5:45 PM EDT
- In force
- 51 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Chester County, SC, Laurens County, SC, Union County, SC
The radar
The Greer radar (KGSP), 71 km from the middle of the area, began a volume at 20:54 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 25, 5:05 PM EDT | HAIL 1 | 2 Wnw Carlisle, SC | ALSO TREES AND POWER LINES DOWN, LOCATION APPROXIMATE. |
| Mar 25, 5:35 PM EDT | TSTM WND DMG | 13 Nnw Winnsboro, SC | PUBLIC REPORTED SEVERAL TREES DOWN AND NICKEL SIZE HAIL ON ASHFORD ROAD. TIME ESTIMATED BASED ON RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.9 hours before the alert went out and 230 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
211
WFUS52 KGSP 252054
TORGSP
SCC023-059-087-252145-
/O.NEW.KGSP.TO.W.0010.210325T2054Z-210325T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
454 PM EDT Thu Mar 25 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
East central Laurens County in Upstate South Carolina...
Central Chester County in Upstate South Carolina...
Southern Union County in Upstate South Carolina...
* Until 545 PM EDT.
* At 454 PM EDT, a severe thunderstorm capable of producing a tornado
was located 15 miles east of Laurens, or 6 miles east of Clinton,
moving east at 50 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.
Carlisle around 520 PM EDT.
Chester State Park around 530 PM EDT.
Chester and Blackstock around 540 PM EDT.
Other locations impacted by this dangerous thunderstorm include Cross
Keys, Leeds, Cornwell, Sedalia and Tuckertown.
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 3439 8181 3460 8190 3458 8186 3466 8183
3481 8109 3455 8100 3457 8142 3450 8142
3449 8144 3449 8149 3445 8154 3448 8156
3453 8164 3440 8176
TIME...MOT...LOC 2054Z 253DEG 42KT 3451 8176
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
RWH2 follow-up statements
658
WWUS52 KGSP 252109
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
509 PM EDT Thu Mar 25 2021
SCC059-252118-
/O.CAN.KGSP.TO.W.0010.000000T0000Z-210325T2145Z/
Laurens SC-
509 PM EDT Thu Mar 25 2021
...THE TORNADO WARNING FOR EAST CENTRAL LAURENS COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 3448 8156 3453 8162 3458 8173 3468 8174
3481 8109 3455 8100 3457 8142 3450 8142
3449 8144 3449 8149 3445 8154
TIME...MOT...LOC 2108Z 253DEG 42KT 3456 8157
$$
SCC023-087-252145-
/O.CON.KGSP.TO.W.0010.000000T0000Z-210325T2145Z/
Chester SC-Union SC-
509 PM EDT Thu Mar 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
CHESTER AND SOUTHEASTERN UNION COUNTIES...
At 508 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles south of Union, or 4 miles northeast of
Whitmire, moving east at 50 mph.
HAZARD...Tornado and golf ball 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...
Carlisle around 520 PM EDT.
Chester State Park around 530 PM EDT.
Chester and Blackstock around 540 PM EDT.
Other locations impacted by this dangerous storm include Sedalia,
Blackstock, Leeds and Cornwell.
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.
Ahead of the tornado...up to golf ball size hail driven by strong
winds poses a serious threat of injury, and extensive damage to
homes and vehicles.
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 8156 3453 8162 3458 8173 3468 8174
3481 8109 3455 8100 3457 8142 3450 8142
3449 8144 3449 8149 3445 8154
TIME...MOT...LOC 2108Z 253DEG 42KT 3456 8157
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
LANE619
WWUS52 KGSP 252127
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
527 PM EDT Thu Mar 25 2021
SCC087-252137-
/O.CAN.KGSP.TO.W.0010.000000T0000Z-210325T2145Z/
Union SC-
527 PM EDT Thu Mar 25 2021
...THE TORNADO WARNING FOR SOUTHEASTERN UNION COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 3465 8137 3476 8109 3455 8100 3457 8136
TIME...MOT...LOC 2127Z 260DEG 45KT 3458 8124
$$
SCC023-252145-
/O.CON.KGSP.TO.W.0010.000000T0000Z-210325T2145Z/
Chester SC-
527 PM EDT Thu Mar 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
SOUTHWESTERN CHESTER COUNTY...
At 527 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Chester, or 5 miles west of Blackstock,
moving east at 50 mph.
HAZARD...Tornado and golf ball 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...
Blackstock around 530 PM EDT.
Other locations impacted by this dangerous storm include Cornwell.
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.
Ahead of the tornado...up to golf ball size hail driven by strong
winds poses a serious threat of injury, and extensive damage to
homes and vehicles.
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 3465 8137 3476 8109 3455 8100 3457 8136
TIME...MOT...LOC 2127Z 260DEG 45KT 3458 8124
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
LANEThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 2:14 PM EDT | Special Weather Statement | GSP | Oconee | 31 min |
| Mar 25, 2:40 PM EDT | Tornado Warning | GSP | Greenville, Pickens, Spartanburg | 50 min |
| Mar 25, 3:27 PM EDT | Tornado Warning | GSP | Abbeville, Anderson, Greenville | 48 min |
| Mar 25, 4:01 PM EDT | Tornado Warning | GSP | Cherokee, Spartanburg | 44 min |
| Mar 25, 4:14 PM EDT | Tornado Warning | GSP | Abbeville, Greenville, Greenwood, Laurens, Union | 46 min |
| Mar 25, 5:47 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 28 min |
| Mar 25, 6:23 PM EDT | Special Weather Statement | GSP | Greenville | 22 min |
| Mar 25, 6:54 PM EDT | Special Weather Statement | GSP | Spartanburg | 51 min |
| Mar 25, 7:41 PM EDT | Areal Flood Advisory | GSP | Oconee | 11 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.