Flood in Upper Koyukuk Valley, Alaska

Flood May 27, 2013 – May 29, 2013 · Upper Koyukuk Valley, Alaska

$250K

Damage as recorded

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

The wider storm

An ice jam formed on the Koyukuk River at Hughes during the early morning of the 27th and then broke apart on the morning of the 29th. River water rose significantly on the 27th, flooding the old/lower town site and cutting it off from the upper town site. Water also surrounded the airport by early on the 28th though the airport was still usable. Damage amounts are estimated and includes 2 homes with major damage and 7 homes with minor damage, along with $115,000 to repair public infrastructure.

Began near Hughes (66.0500, -154.2700).

Source: NOAA Storm Events Database, event 455457. Narratives are written by the National Weather Service forecast office that issued the report.

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