Flash Flood in Hawaii County, Hawaii

Flash Flood March 23, 2026 · Hawaii County, Hawaii

$2.0M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rain developed over the eastern and southeastern areas of the Big Island, leading to flooding impacts. Flooding was reported along Bayfront Highway and on Highway 11 south of Hilo. Flooding was also reported in Keeau Industrial Park. A residence in Pahala reportedly experienced flooding.

The wider storm

A cutoff low moved in from the northwest and pulled deep tropical moisture from the south over the Hawaiian islands. This led to the development of prolonged slow moving heavy rain and thunderstorms. The heavy rain and thunderstorms caused catastrophic flooding over Oahu's North Shore and Manoa Valley.

Began near Hilo (19.7765, -155.0184).

Source: NOAA Storm Events Database, event 1319369. Narratives are written by the National Weather Service forecast office that issued the report.

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