How are hurricanes hitting ALASKA now?

From PBS Terra.

Typhoon Halon, a strong tropical cyclone recently hit into Alaska. But if tropical storms are supposed to be, well, TROPICAL storms – how did it head as far north as Alaska? And what more could’ve been done to prepare for the damage?

Weathered is a show hosted by weather expert Maiya May and produced by Balance Media that helps explain the most common natural disasters, what causes them, how they’re changing, and what we can do to prepare.