Though Rocky Mountain Power cannot say for sure, the weather was a likely reason about 12,200 Rocky Mountain Power customers were without power Thursday. About 3,914 customers in Syracuse, Clearfield and Layton, about 5,948 people in Roy and Clinton, as well as about 2,400 customers in Eden and Liberty were without power as the storm moved through, the company reported.
A transmission pole caught fire in Layton, causing the outage in northern Davis county and southern Weber County, said company spokesman Jeff Hymas. Another pole fire caused the outage in Eden and Liberty.
Contaminants build up in the transformers during long periods of dry weather, and when a light rain moves through, the moisture and contaminants conduct electricity and cause power lines to arc, said spokeswoman Margaret Ohler. The same typically does not happen during bigger storms, because the faster, heavier rain simply washes away the contaminants, she said.
Crews restored electricity to everyone in Davis County and southern Weber County by 5:30 p.m., Ohler said. About 1,200 people in Eden and Liberty were also out of the dark by 7 p.m., and crews expected to restore power to the remaining 1,000 customers by 10 p.m. Thursday.