Flood — Copper River Basin, Alaska
2013-05-24 to 2013-05-31 · near Gakona, Copper River Basin, Alaska
Event narrative
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.
Wider weather episode
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.
View location on OpenStreetMap → (62.5100, -145.5100)
Source: NOAA Storm Events Database, event_id 456215. Narrative written by the NWS forecast office that issued the report.