There's snow up the slopes of Arthur's Seat (251m) in Edinburgh today - and nothing lying in 2/3rds of the city all around it. That's only the second time I have seen this to such a degree here in my 13 years. An interesting lesson for me last night was how after over 36 hours of torrential rain (and boy it was persistently heavy), snow readily settled on all surfaces within an hour of the change from rain through sleet to snow - the dewpoint simply went down to 0ºC and the snow was heavy enough. Never let it be said that we need the soil to cool, or that the ground is too saturated etc etc - last night proved it means nothing in the right conditions.