On my last few and really stuck. Must be in by end of the month. Answers all weather related.
23 The closing of an opening between two fronts (9)
62) Apparition of a fractured ghost seen around top of Cairngorms (7,7)
74) Wilkinson in Les Miserables holds back occasionally. Quite warming (2,4) Must be backwards in the clue but can't see it.
Need some pretty big hints, please.