The snow only pushes on parts of your body so that a large acceleration can cause internal damage (or something like that). The point is that large accelerations on landing are bad. ... Deep snow will push with a smaller force (resulting in a smaller acceleration) over a larger distance.
How high of a fall can you survive in snow?
Normally, not very far. People usually survive falls from a height of 20-25 feet (6-8 meters), but above that, things get very deadly very fast. A study done in Paris in 2005 looked at 287 victims of falls, and found that falls from 8 stories (30 meters) or higher were 100% fatal.
What happens if you fall on snow?
Injuries From Slip and Falls on Ice or Snow
Injuries resulting from a slip and fall on a snowy or icy sidewalk can be serious. You may fracture your arm while trying to break your fall or hit your head on the hard ground. Call for medical help if you feel any pain after a fall.