Complex sentence: This southeast wind (named for the small village Manyberries, now a hamlet, in southeastern Alberta, from where the wind seems to originate) can be fairly strong and cause bitter windchill and blowing snow.
Split into simpler sentences: This southeast wind was named for the small village Manyberries, now a hamlet, in southeastern Alberta, from where the wind seems to originate. It can be fairly strong and cause bitter windchill and blowing snow.