The Secret Vanishings in America's National Parks
dcxposed.com
dcxposed.com
"In 95 percent of the cases, bad weather strangely follows a disappearance, washing out footprints and other clues and making it impossible to carry on a search until the weather clears. In 98 to 99 percent of the cases, tracking dogs are unable to find a scent or simply refuse to track."
There's nothing remotely sinister about this. It just means that when those things don't happen, the people get found. Tracking dog failure is a necessary condition for human disappearance. No great shock that it's found to be true whenever someone disappears mysteriously.
Likewise with the missing people being found weeks later, miles from where they were last seen. The "missing people" who stick close to where they were get found pretty quickly. It's the wanderers who are difficult to find in time, and so show up in these statistics.
All clues point to Huckleberry Hound, known associate of Jellystone denizen Yogi Bear.