Originally Posted by
Gordy
Basically, you are flying in canyons, and especially when the weather turns nasty you do not want to take your eyes off where you are going. Trying to go from VFR to instruments is not easy and takes a finite time.
Turbulence can be amplified in a canyon as well, particularly here where the cliffs are in the 3000 foot class. It is not obvious that going to instruments would help much under those conditions.