Alert archive / South Carolina / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 128, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 28, 2020, 9:19 PM EDT for Cherokee County, Spartanburg County, Union County, South Carolina. It was in force for 41 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
- May 28, 2020, 9:19 PM EDT (01:19 UTC)
- Expired
- May 28, 2020, 10:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cherokee County, SC, Spartanburg County, SC, Union County, SC
The radar
The Greer radar (KGSP), 57 km from the middle of the area, began a volume at 01:22 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 |
|---|---|---|---|
| May 28, 9:25 PM EDT | TSTM WND DMG | Pacolet, SC | BROADCAST MEDIA REPORTED TREES DOWN AND POWER OUTAGES IN PACOLET. TIME ESTIMATED FROM 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 00:00Z, 1.3 hours before the alert went out and 196 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
- 1160 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
697
WUUS52 KGSP 290119
SVRGSP
SCC021-083-087-290200-
/O.NEW.KGSP.SV.W.0128.200529T0119Z-200529T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
919 PM EDT Thu May 28 2020
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
East central Spartanburg County in Upstate South Carolina...
Central Cherokee County in Upstate South Carolina...
Northwestern Union County in Upstate South Carolina...
* Until 1000 PM EDT.
* At 919 PM EDT, a severe thunderstorm was located 9 miles east of
Spartanburg, or near Pacolet Mills, moving northeast 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...
Gaffney, Pacolet, Pacolet Mills, Croft State Park, Cedar Springs,
Cherokee Falls, Draytonville, Thicketty, Cowpens and Jonesville.
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 3491 8190 3518 8166 3517 8163 3505 8146
3505 8147 3503 8149 3501 8148 3498 8148
3496 8149 3479 8175
TIME...MOT...LOC 0119Z 223DEG 21KT 3491 8177
HAIL...1.00IN
WIND...60MPH
$$
RWH2 follow-up statements
563
WWUS52 KGSP 290131
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
931 PM EDT Thu May 28 2020
SCC083-290141-
/O.CAN.KGSP.SV.W.0128.000000T0000Z-200529T0200Z/
Spartanburg SC-
931 PM EDT Thu May 28 2020
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SPARTANBURG
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the county. Therefore the warning has been cancelled.
LAT...LON 3489 8173 3491 8171 3493 8174 3493 8176
3503 8179 3518 8166 3518 8165 3517 8163
3505 8146 3505 8147 3503 8149 3501 8148
3498 8148 3496 8149 3484 8168
TIME...MOT...LOC 0131Z 223DEG 21KT 3496 8171
$$
SCC021-087-290200-
/O.CON.KGSP.SV.W.0128.000000T0000Z-200529T0200Z/
Cherokee SC-Union SC-
931 PM EDT Thu May 28 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL CHEROKEE AND NORTH CENTRAL UNION COUNTIES...
At 931 PM EDT, a severe thunderstorm was located 8 miles south of
Gaffney, or near Pacolet Mills, moving northeast 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...
Gaffney, Cherokee Falls, Draytonville and Thicketty.
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 3489 8173 3491 8171 3493 8174 3493 8176
3503 8179 3518 8166 3518 8165 3517 8163
3505 8146 3505 8147 3503 8149 3501 8148
3498 8148 3496 8149 3484 8168
TIME...MOT...LOC 0131Z 223DEG 21KT 3496 8171
HAIL...1.00IN
WIND...60MPH
$$
RWH943
WWUS52 KGSP 290143
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
943 PM EDT Thu May 28 2020
SCC087-290153-
/O.CAN.KGSP.SV.W.0128.000000T0000Z-200529T0200Z/
Union SC-
943 PM EDT Thu May 28 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL UNION COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the county. Therefore the warning has been cancelled.
LAT...LON 3503 8179 3518 8166 3518 8165 3517 8163
3505 8146 3505 8147 3503 8149 3501 8148
3498 8148 3496 8149 3495 8165
TIME...MOT...LOC 0143Z 222DEG 26KT 3505 8161
$$
SCC021-290200-
/O.CON.KGSP.SV.W.0128.000000T0000Z-200529T0200Z/
Cherokee SC-
943 PM EDT Thu May 28 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL CHEROKEE COUNTY...
At 943 PM EDT, a severe thunderstorm was located near Gaffney, moving
northeast at 30 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...
Gaffney, Cherokee Falls, Draytonville and Thicketty.
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 3503 8179 3518 8166 3518 8165 3517 8163
3505 8146 3505 8147 3503 8149 3501 8148
3498 8148 3496 8149 3495 8165
TIME...MOT...LOC 0143Z 222DEG 26KT 3505 8161
HAIL...1.00IN
WIND...60MPH
$$
RWHWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 8:37 PM EDT, 42 minutes earlier.
Area forecast discussion, May 28, 8:37 PM EDT, 42 minutes before
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Special weather statement, May 28, 5:51 PM EDT, 3 hours 28 minutes before
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Special Weather Statement
National Weather Service Greenville-Spartanburg SC
658 PM EDT Thu May 28 2020
NCZ035-502-282330-
Greater Caldwell NC-Alexander NC-
658 PM EDT Thu May 28 2020
...A STRONG THUNDERSTORM WILL IMPACT WESTERN ALEXANDER AND EASTERN
CALDWELL COUNTIES UNTIL 730 PM EDT...
At 658 PM EDT, Doppler radar was tracking a strong thunderstorm 9
miles west of Taylorsville, or 6 miles east of Cedar Rock, moving
north at 25 mph.
Locations to be impacted include...
Cedar Rock, Ellendale, Kings Creek and Little River In Alexander
County.
Wind gusts up to 45 mph and pea size hail will be possible in these
areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.
Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.
&&
LAT...LON 3605 8139 3604 8137 3602 8134 3600 8133
3601 8131 3601 8129 3603 8127 3603 8121
3584 8122 3583 8144 3603 8148 3607 8141
TIME...MOT...LOC 2258Z 177DEG 22KT 3591 8134
RWHSpecial weather statement, May 28, 7:26 PM EDT, 1 hour 53 minutes before
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Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 9:07 PM EDT | Special Weather Statement | GSP | Cherokee, Spartanburg | 23 min |
| May 28, 10:00 PM EDT | Special Weather Statement | GSP | Cherokee | 30 min |
| May 28, 10:19 PM EDT | Severe Thunderstorm Warning | GSP | Chester, York | 41 min |
| May 28, 11:00 PM EDT | Special Weather Statement | GSP | York | 30 min |
| May 29, 8:37 AM EDT | Special Weather Statement | GSP | Greenville | 23 min |
| May 29, 9:02 AM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Spartanburg | 28 min |
| May 29, 9:09 AM EDT | Special Weather Statement | GSP | Anderson | 36 min |
| May 29, 9:28 AM EDT | Special Weather Statement | GSP | Spartanburg | 32 min |
| May 29, 9:36 AM EDT | Special Weather Statement | GSP | Anderson | 24 min |
| May 29, 9:54 AM EDT | Areal Flood Advisory | GSP | Anderson, Greenville | 4 hr |
| May 29, 10:04 AM EDT | Special Weather Statement | GSP | Cherokee, Union | 26 min |
| May 29, 10:25 AM EDT | Special Weather Statement | GSP | Cherokee, Union | 35 min |
| May 29, 10:29 AM EDT | Severe Thunderstorm Warning | GSP | Cherokee, York | 46 min |
| May 29, 10:59 AM EDT | Special Weather Statement | GSP | Chester | 31 min |
| May 29, 11:10 AM EDT | Special Weather Statement | GSP | York | 35 min |
| May 29, 11:28 AM EDT | Special Weather Statement | GSP | York | 32 min |
| May 29, 11:48 AM EDT | Severe Thunderstorm Warning | GSP | York | 27 min |
| May 29, 11:51 AM EDT | Severe Thunderstorm Warning | GSP | York | 24 min |
| May 29, 12:07 PM EDT | Special Weather Statement | GSP | Chester | 23 min |
| May 29, 12:12 PM EDT | Areal Flood Advisory | GSP | Chester, York | 6 hr |
| May 29, 12:33 PM EDT | Special Weather Statement | GSP | Chester | 27 min |
| May 29, 2:01 PM EDT | Special Weather Statement | GSP | Abbeville | 29 min |
| May 29, 5:31 PM EDT | Special Weather Statement | GSP | Greenwood | 29 min |
| May 29, 5:59 PM EDT | Special Weather Statement | GSP | Greenwood | 31 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2020Every severe thunderstorm warning in 2020
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.