They form closely packed , honeycomb , often hexagonal patterns with sharp narrow ridges separating smoothly concave hollows .
Suncups are bowl - shaped open depressions into a snow surface , normally wider than they are deep .
Suncups form closely packed , honeycomb , often hexagonal patterns with sharp narrow ridges separating smoothly concave hollows .
Suncups are bowl - shaped open depressions into a snow surface , normally wider than they are deep .