We have had an extremely warm winter, and the river had many open holes that never froze completely.

Spring river ice change - Unalakleet, Alaska, USA

11-18-14 Winter river break-up - Kongiganak, Alaska, USA

11-11-14 Unseasonable warm - Ruby, Alaska, USA

4-13-14 River ice treacherous - Bethel, Alaska, USA

11-1-13 Boats still on the river - Koyukuk, Alaska, USA

5-30-13 Flooding Kobuk River - Kobuk, Alaska, USA

11-21-12 Air pockets in river ice - St. Marys, Alaska, USA