Rays That Escape Through a Hole in Cloud Cover
Puzzle 10 of Canadian Stars Medium Pack
Question is: Rays That Escape Through a Hole in Cloud Cover
and the answer is: SUNBREAK
Word Meaning:
SUNBREAK — A natural phenomenon in which sunlight obscured over a relatively large area penetrates the obscuring material in a localized space, e.g. through a hole in cloud cover.
Definitions from Wiktionary.