On July 25th, residents on Popof Island in the Aleutians about 500 miles southwest of Anchorage saw a rare sight: a tornado touching down on a nearby mountain. Tornadoes in Alaska are rare, and even more rare is a report of one, since the population is so sparse in the state.
http://www.adn.com/news/alaska/v-story_gallery_0/story/6777179p-6666328c.html