This is caused by the loss of snow at the fence that would have been deposited and the pickup of the snow that is already there by the wind, which was df trees, they can greatly reduce the strength of avalanches.
This is caused by the loss of snow at the fence and the pickup of the snow, they can greatly reduce the strength of avalanches. This snow is already there by the wind. This fence would have been deposited. The wind was df trees.