FEMA's National Risk Index puts Carteret County, NC, Dare County, NC and Onslow County, NC highest for hurricane strikes, about 0.46 events a year, against 0.03 in the median county. Hurricane flooding and salt water corrode charging wiring and the alternator.
What it shows: Carteret County, NC is the largest at 0.46, followed by Dare County, NC at 0.41; the smallest shown is Beaufort County, SC at 0.34.
Data and chart by CalcScrape: Alternator Replacement Cost Calculator