The National Hurricane Center located Arthur 55 miles away from Cape Fear, N.C., and moving north-northeast at 15 mph.
"Now we have concerns about people inland who may be impacted by potential flooding and rivers going over their banks," McCrory said in an update. "This is a serious storm and with the darkness and high tide coming, as the storm moves to the north, the danger increases."
Eleven counties in North Carolina are under a state of emergency.
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