Términos de Avalancha
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W
- Weak Interface
A poor bond between two adjacent layers of snow.
- Weak Layer
A snowpack layer with less strength than adjacent layers. Often the layer in the snowpack where an avalanche fractures.
- Wet Snow Avalanche
An avalanche caused by snow losing its strength after becoming damp, moist or saturated with water.
- Whumpf
When the fracture of a lower snow layer causes an upper layer to fall or collapse, making a whumpfing sound. This an obvious sign of instability. See Collapse.
- Wind Loading
The added weight of wind drifted snow.
- Wind Slab
A cohesive layer of snow formed when wind deposits snow onto leeward terrain. Wind slabs are often smooth and rounded and sometimes sound hollow.
- Windward
The upwind side of an obstacle such as a ridge. Usually snow is eroded from windward slopes making them relatively safer.