Flash Flood in Maui County, Hawaii

Flash Flood May 1, 2022 – May 2, 2022 · Maui County, Hawaii

$1.2M

Damage as recorded

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

What the National Weather Service wrote

Piilani Highway between mile markers 31 and 39 became impassable after heavy rain, and a culvert was washed out at the Lelekea Culvert crossing.

The wider storm

An upper air disturbance caused heavy showers and isolated thunderstorms. Early on in the episode, a flash flood occurred over a portion of Maui along Piilani Highway. Otherwise, the precipitation produced small stream and drainage ditch flooding, and ponding on roadways, over other parts of Maui and on the Big Island. No serious injuries were reported.

Began near Makena (20.6211, -156.3595).

Source: NOAA Storm Events Database, event 1018140. Narratives are written by the National Weather Service forecast office that issued the report.

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