1082: "The Grey Man of Pawleys Island: A Ghostly Warning of Hurricanes"

Interesting Things with JC #1082: "The Grey Man of Pawleys Island: A Ghostly Warning of Hurricanes" - Since 1822, the mysterious Grey Man has appeared before hurricanes, warning residents of Pawleys Island to evacuate. Many believe this ghostly figure protects the island, with homes left untouched when his warnings are heeded.

Is it superstition, or is there truth behind the legend of the Grey Man?