If this table is correct, 10-20 m/s winds can move up to 0.4 kg/(m*s) of snow.
Well, correct or not - there is even simpler way to be sure. Yep, 20 m/s winds can move helluva lot of snow real quick.
Because, if one ever lived anywhere near polar circle, and if one ever happened to drive a bike around (or just put a hand outta car's window on the move) - that's already enough. 20 m/s is 72 km/h (45 mph), and feels quite strong a wind - more than strong enough to move massive amounts of snow.
Russians call it "v'yuga", which i don't think has any good english word equivalent. Basically, "v'yuga" means winter weather with wind strong enough to lift so much snow in the air that visibility is massively reduced - so much that russian peasants in the old times had difficulty doing their winter time things like going from their house to their barn and back, getting some firewood, fetching water from nearby well, etc.
I've seen hundreds of "v'yugas" - and their consequences. The most common of which - is big snow piles, often meters high, "here and there" over the landscape. Not unlike dunes in a desert.