Photo 1: The head (upstream end) of the ice jam is at km 295 (at the Hwy 63 Bridges in Fort McMurray) on

April 17. Approximately 3 km has melted since yesterday’s observation. The direction of flow is left to right.

Photo 1

Photo 2

Photo 3

Photo 2: Hwy 63 bridges in Fort McMurray on April 17. The ice jam continues to deteriorate, darken and melt,

and will eventually connect with the open lead downstream of the Clearwater River. Direction of flow is

bottom to top.

Photo 3: The downstream end of the ice jam remains in place. Downstream of this, there is a nearly open

channel with sparse accumulations of deteriorated ice sheets that have collected around some bends and

islands. The open lead along the right (east) bank extends up to within 1km from the mouth of the Clearwater

River. Direction of flow is from right to left.