Get your powder fix this week and next as Warren Miller's Wintervention hits the Bay Area for 11 limited hi-def screenings. The Jonny Moseley-narrated film follows ripping experts like Chris Davenport, JJ Thomas, and Lindsey Vonn as they sail from Argentina to the Arctic Circle in search of the last untouched descents on Earth, only to fail when they realize Wilt Chamberlain already touched them all.