A rib is a vertical ridge of snow that runs down a slope. On slopes that are cross-loaded by the wind, the leeward side of ribs will be loaded with snow, making them likely to contain wind slab problems.
A rib is a vertical ridge of snow that runs down a slope. On slopes that are cross-loaded by the wind, the leeward side of ribs will be loaded with snow, making them likely to contain wind slab problems.