That is why it is all the more baffling as to why Dave, with his experience, and with the Met facilities available at Perth, decided to do what he did.
It's a human psycological glitch which many of us have.
Example: Someone spends time scraping the ice off his car, jumps in and drives off then is surprised when he slides off the road.
There's probably a medical name for it. We can all be guilty of knowing something may cause a problem but not acting on it.
D.O.