Flood in Copper River Basin, Alaska

Flood May 24, 2013 – May 31, 2013 · Copper River Basin, Alaska

$5.0M

Damage as recorded

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

What the National Weather Service wrote

The GRSA2 river Gauge reported flood conditions beginning the afternoon of May 24 and persisting to the end of the month. Flood stage is 12 ft and the crest was on May 30th at 14.64 ft. This level ties for the second highest crest on record for this gauge. The BLM campground at Sourdough Creek received some damage from both water and large chunks of ice. Pictures show some damage but BLM was unable to give a damage estimate when asked. Made gross estimate based on damage from pictures.

The wider storm

Ice jams combined with warm temperatures accelerated snow melt in the Copper River basin in late May. This caused the Gulkana river to reach moderate flood stage at a number of locations along the river.

Began near Gakona (62.5100, -145.5100).

Source: NOAA Storm Events Database, event 456215. Narratives are written by the National Weather Service forecast office that issued the report.

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