Flood in Upper Kuskokwim Valley, Alaska

Flood May 10, 2022 – May 11, 2022 · Upper Kuskokwim Valley, Alaska

$301K

Damage as recorded

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

What the National Weather Service wrote

An ice jam formed at Sand Island, adjacent to McGrath, at 5pm on May 10th . Before the ice jam, waterleaves were near bankfull, and the ice jam caused the river to rise 4.5 feet in 6 hours ' from 19.2' at 5 PMto 23.7' and 11PM. The ice jam held for 26 hours, releasing at 6pm on 5/11, with the water dropping rapidly. The flooding caused damage to Chinana Avenue, the main road in town as well as the road to the dump. The flood damaged the sewage lagoon and the dump. Water entered basements and crawlspaces of around 15 homes.

The wider storm

An ice jam formed at Sand Island, adjacent to McGrath, at 5pm on May 10th and held for 26 hours.

Began near Mcgrath (62.9454, -155.5751).

Source: NOAA Storm Events Database, event 1031134. Narratives are written by the National Weather Service forecast office that issued the report.

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