Flash Flood in Maui County, Hawaii

Flash Flood March 8, 2021 · Maui County, Hawaii

$14.3M

Damage as recorded

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

What the National Weather Service wrote

Hana Highway was closed from Peahi Road near Haiku to Keanae in windward East Maui due to flooding. A dam failure in the same area was a possibility as water topped the Kaupakulua Dam upstream from the Haiku and Pauwela communities. The dam survived the downpours, however.

The wider storm

A slow-moving surface trough, heading east to west, and an upper disturbance triggered heavy showers and isolated thunderstorms that caused flash flooding in some instances. Damages occurred to public and private property, including roads and bridges washed out. Nine homes were destroyed, 44 suffered major damage, and 55 suffered minor damage. No significant injuries were reported.

Began near Haiku (20.9100, -156.2900).

Source: NOAA Storm Events Database, event 938300. Narratives are written by the National Weather Service forecast office that issued the report.

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