Winter Storm — Big Island Summit, Hawaii

2021-01-25 to 2021-01-26 · Big Island Summit, Hawaii

Event narrative

Snow accumulation above 6 inches at the summits of Mauna Kea and Mauna Loa on the Big Island.

Wider weather episode

Strong high pressure far northeast of the islands and an upper trough to the southwest caused low level moisture to flow over the state from the southeast. Instability from the trough brought heavy showers, isolated thunderstorms, and flash flooding, mainly over the Big Island and Oahu. Snow also accumulated above 6 inches at the summits of Mauna Kea and Mauna Loa on the Big Island. No serious injuries were reported. The costs of any property damage were not available.

Source: NOAA Storm Events Database, event_id 932539. Narrative written by the NWS forecast office that issued the report.