I have been caught out by unexpected weather, once. It was about 20 years ago
I guess you must be an instructor, CS.
Yesterday and today, on behalf of one of my students, I was searching through EASA, ICAO and other legislation, even to searching through the Chicago Convention itself, for something that appeared covered by the ANO. There was a suspicion by several of us that other legislation applied, so we went looking for it
What was it?