The snowmelt will continue.

It was already quite remarkable today how quickly the toboggan mountain on the nest is shrinking.
The clean snow has already been licked up. Time has reset to Tawny Owl's last dinner.

12 hours ago

This seems to be the case, we don't know if they have other more remote areas....as if their activities were occurring in temporary "bursts."
This morning an adult individual entered between the trunk and the branch on the left (on a small branch, window to the stream) at 11:01 and has been there until 11:17.