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Other sources cited: Caroline Floyd, "Historic Snow Blankets Hawaii, and other vacation favorites," The Weather Network, February 12, 2019: https://www.theweathernetwork.com/news/articles/historic-snow-falls-in-hawaii-first-time-on-record-las-vegas-snow-storm-winter-closes-in-on-vacation-destinations/124248/
Note: While snowfall was limited to higher elevations, the storm did impact coastal areas with high winds and waves. The below NOAA chart (via the Weather Channel) shows wave height off the northern coast of Kauai during the storm, with a peak observation of 38 ft.
