Scattered to numerous afternoon thunderstorms developed ahead of a cold front from late morning through the afternoon across Upstate South Carolina. Several of the storms produced severe weather in the form of large hail and locally damaging winds.

Thunderstorm Wind in SPARTANBURG, SOUTH CAROLINA
From 15-APR-18 11:02:00 to 15-APR-18 11:02:00 (EST-5)
Location: ROEBUCK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported multiple trees down in the Roebuck area.

Thunderstorm Wind in CHEROKEE, SOUTH CAROLINA
From 15-APR-18 12:20:00 to 15-APR-18 12:20:00 (EST-5)
Location: THICKETTY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported a couple of trees blown down in the Thicketty area.

Thunderstorm Wind in SPARTANBURG, SOUTH CAROLINA
From 15-APR-18 10:50:00 to 15-APR-18 10:50:00 (EST-5)
Location: KILGORE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported trees blown down on Harris Bridge Rd.

Tornado in YORK, SOUTH CAROLINA
From 15-APR-18 13:58:00 to 15-APR-18 14:00:00 (EST-5)
Location: LAKE WYLIE
Tornado F-scale: EF0
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS Storm Survey found the path of a weak tornado that began along Mountainview Road, where large tree branches were broken. The tornado moved very quickly northeast, crossing Highway 55, where it then passed through the Timberlake Subdivision. Several homes in the subdivision sustained roof, siding, and window damage. A number of hardwood trees were also uprooted, with large branches downed from others. A plastic fence also was destroyed. The tornado proceeded northeast, uprooting additional hardwood trees before dissipating near Kerrydale Ct.

Hail in SPARTANBURG, SOUTH CAROLINA
From 15-APR-18 11:45:00 to 15-APR-18 11:45:00 (EST-5)
Location: ENOREE
Magnitude: 1.00 
Reported by: Public

Public reported up to quarter size hail.

Thunderstorm Wind in GREENWOOD, SOUTH CAROLINA
From 15-APR-18 10:56:00 to 15-APR-18 10:56:00 (EST-5)
Location: GRENDEL MILLS
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported multiple trees blown down across the north side of Greenwood. A tree fell on a home on Terrace Way and another tree fell on and damaged the roof of an apartment building on Gracie St. Other trees were blown down on Cokesbury Rd and Highland Dr.

Thunderstorm Wind in SPARTANBURG, SOUTH CAROLINA
From 15-APR-18 11:13:00 to 15-APR-18 11:13:00 (EST-5)
Location: PAULINE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported multiple trees blown down in the Pauline area.

Thunderstorm Wind in YORK, SOUTH CAROLINA
From 15-APR-18 13:48:00 to 15-APR-18 14:03:00 (EST-5)
Location: YORK
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Multiple sources reported wind damage, mainly in the form of downed trees and limbs from the York area to Lake Wylie. With several trees on homes and power lines. One tree fell on a vehicle at Allison Creek Rd and Highway 274, injuring an occupant. A wind gust of 55 mph was reported at the Rock Hill Airport shortly after 1500 local time, but this was several miles south of the main damage area.

Hail in YORK, SOUTH CAROLINA
From 15-APR-18 14:03:00 to 15-APR-18 14:05:00 (EST-5)
Location: LAKE WYLIE
Magnitude: 1.75 
Reported by: CoCoRaHS

Cocorahs observer reported hail as large as golf balls 7 ENE Clover. Public reported quarter size hail near Lake Wylie.

Hail in GREENWOOD, SOUTH CAROLINA
From 15-APR-18 11:10:00 to 15-APR-18 11:10:00 (EST-5)
Location: (GRD)GREENWOOD CO AR
Magnitude: 0.88 
Reported by: Public

Public reported nickel size hail.