The word avalanche comes from the Old French “avalanste” meaning “to let down” or “to go downstream.” Come along with Tidbits as we out-run avalanches! TOTALLY TRIVIAL • There are about 9,000 known snow avalanches per year in the western U.S., although unrecorded avalanches may top 100,000. About 100 avalanches per year cause serious problems […]