This map of Kauai shows the general distribution of annual rainfall (in inches). The extreme rainfall at Mt. Waialeale is a result of orographic cooling of warm, moist tradewind-driven air as it is forced up the steep easter scarp of the mountain.
This map of Kauai shows the general distribution of annual rainfall (in inches). The extreme rainfall at Mt. Waialeale is a result of orographic cooling of warm, moist tradewind-driven air as it is forced up the steep easter scarp of the mountain.