A gathering spell this mountain hides
glacier-carved and hewn time and time again
pushed up from forces unimaginable
windward blows the rain down
and summit stops.
Leeward is dry with waters lost:
asks us to incorporate a regional weather colloquialism into a poem. “Rainshadow” may not be a colloquialism, but it sure is common in the Pacific Northwest. When a wet front approaches a mountain and climbs, the water is dumped on the windward side. The leeward side of the mountain is protected from the rain, as the moisture as condensed and dropped out with the altitude climb.