Flood in Copper River Basin, Alaska

Flood May 25, 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 Gulkana River at the Richardson Highway pushed up past flood levels the morning of May 25th and reached a crest on May 30th around midnight of 12.13 ft. Moderate flood level for this gauge is 10.5 ft. The river observer at Gulkana reported on May 25th: Ice run last night flooded parking area/boat launch area at bridge. Stranded some ice over bank. The river remained above flood stage into June.

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 Gulkana (62.2700, -145.3800).

Source: NOAA Storm Events Database, event 456214. Narratives are written by the National Weather Service forecast office that issued the report.

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