     Mount Washington Observatory  National Oceanic and Atmospheric Administration  Subaru of America  National Science Foundation |
Falling Snow
Hoar Frost
Wind Beaten
Snow On Ground
Drifting
Smooth Surface
Sharply Edged Wind Eroded Surface
Drift Blocking A Trail
Deep Enough For Snowshoes
Wind Blown Bare Spots
Hard Crusty Snow
Sugar Snow
Ground Drifting
Space Between Drift and Obstruction
Irregular Surface
Snow Covered