Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 26, 2021, 1:55 AM EDT for Oconee County, Pickens County, South Carolina. It was in force for 35 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
- Mar 26, 2021, 1:55 AM EDT (05:55 UTC)
- Expired
- Mar 26, 2021, 2:30 AM EDT
- In force
- 35 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 72 km from the middle of the area, began a volume at 05:57 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 26, 1:55 AM EDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.9 hours before the alert went out and 211 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
- 344 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 476 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.8
The text
As transmitted.
547
WUUS52 KGSP 260555
SVRGSP
SCC073-077-260630-
/O.NEW.KGSP.SV.W.0006.210326T0555Z-210326T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
155 AM EDT Fri Mar 26 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Western Pickens County in Upstate South Carolina...
Central Oconee County in Upstate South Carolina...
* Until 230 AM EDT.
* At 155 AM EDT, a severe thunderstorm was located near Walhalla,
moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Seneca, Walhalla, Pickens, Central, Liberty, Westminster, Norris,
Six Mile, Salem and Lake Keowee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
This storm is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.
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.
&&
A Tornado Watch remains in effect until 700 AM EDT for Upstate South
Carolina.
LAT...LON 3493 8311 3507 8277 3479 8259 3463 8300
3463 8323 3472 8325
TIME...MOT...LOC 0555Z 249DEG 44KT 3481 8303
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MOORE1 follow-up statement
745
WWUS52 KGSP 260610
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
210 AM EDT Fri Mar 26 2021
SCC073-077-260630-
/O.CON.KGSP.SV.W.0006.000000T0000Z-210326T0630Z/
Pickens SC-Oconee SC-
210 AM EDT Fri Mar 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM EDT
FOR WESTERN PICKENS AND EAST CENTRAL OCONEE COUNTIES...
At 210 AM EDT, a severe thunderstorm was located 8 miles southwest of
Pickens, or near Six Mile, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Seneca, Walhalla, Pickens, Central, Liberty, Norris, Six Mile, Salem,
Lake Keowee and Jocassee Gorges.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 AM EDT for Upstate South
Carolina.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Conditions are favorable for the development of brief, weak
tornadoes. Seek shelter inside an interior room.
This storms is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3496 8292 3504 8275 3479 8259 3463 8300
3470 8306 3478 8308
TIME...MOT...LOC 0610Z 256DEG 41KT 3481 8284
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MOOREThe 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, 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, 9:41 AM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood, Laurens | 49 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, 2021Every 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.