Moisture overspread the area from the southwest as a southern stream Miller-B low pressure system tracked from the lower Mississippi Valley to the SE US Coast.
The moist warm air moving atop a strong wedge of shallow cold air near the surface   along the eastern slopes of the southern Appalachians produced predominately freezing rain and significant icing across the northwest and northern portions of the NC Piedmont beginning Saturday night(January 12) before ending Sunday morning (January 13). The heaviest ice accrual was reported along and north of the Interstate 85 corridor, where a quarter to one-third of an inch of ice toppled numerous trees and leaving thousands without power.

Winter Storm in PERSON, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 25.00K
Reported by: 911 Call Center

One-tenth to one-quarter of an inch of ice from freezing rain downed numerous trees and caused power outages across the county.

Winter Weather in ORANGE, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A trace to one-tenth of an inch of ice from freezing rain was reported across the county.

Winter Weather in DURHAM, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A trace to one-tenth of an inch of ice from freezing rain was reported across the county.

Winter Weather in GRANVILLE, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A trace to one-tenth of an inch of ice from freezing rain was reported across the county.

Winter Weather in VANCE, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A trace to one-tenth of an inch of ice from freezing rain was reported across the county.

Winter Storm in FORSYTH, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 100.00K
Reported by: 911 Call Center

One-quarter to one-third of an inch of ice from freezing rain downed numerous trees across the county. At it's peak, nearly 40,000 customers in the county were without power.

Winter Storm in GUILFORD, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 75.00K
Reported by: 911 Call Center

One-quarter to one-third of an inch of ice from freezing rain downed numerous trees across the county. At it's peak, nearly 20,000 customers in the county were without power.

Winter Storm in DAVIDSON, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 25.00K
Reported by: 911 Call Center

One-tenth to one-quarter of an inch of ice from freezing rain downed numerous trees and caused power outages across the county.

Winter Weather in ALAMANCE, NORTH CAROLINA
From 12-JAN-19 21:00:00 to 13-JAN-19 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A trace to one-tenth of an inch of ice from freezing rain was reported across the county.