13-14

This naturally triggered avalanche was seen just east of Alex Lowe Peak in the northern Gallatin Range. It occured on a NE facing slope. Most notable is that it broke about 1000 ft wide. Photo: B. VandenBos.

This slide occurred on a NW facing slope just south of Mt Blackmore in the northern Gallatin Range. Although hard to see in the photo, the photographer reported seeing fresh mountain goat tracks entering the slope that avalanched and unfortunately none leaving. Photo: B. VandenBos

This slide was triggered by dropping a very large cornice onto the slope below. It occurred on a ridge leading to the summit of Mt Blackmore in the northern Gallatin Range. The maximum slope angle on this slope was 30 degrees. Photo. B. VandenBos

Snow plastered on the tree trunks shows the depth of avalanche debris as it was flowing through the trees.

This skier triggered avalanche occurred on Mt Ellis in the northern Gallatin Range on Christmas day. The debris ran far downhill and over ran a popular (but not totally safe) route used many to climb to the top of the burned area.

This skier triggered avalanche occurred on Mt Ellis in the northern Gallatin Range on Christmas day. The snowpack was about 3 feet deep at the crown and it broke on facets about 1 foot above the ground. It is a NE facing slope around 8400 feet.

From the photographer, "I observed one very large slide that broke 3-5 (or more) feet deep near the ground, around 2,500'+ wide, and ran nearly full track.  Clearly not the sort of thing that you want to get on the wrong end of.  The slide started around 3/4 of a mile south of Saddle and continued up to the south flank of the peak." The slide likely ran on Sunday night or Monday (12/22 or 23).  Photo: B. VandenBos

This photo was taken yesterday (12/24) up Hyalite.  The east face of Elephant Mountain had many natural avalanches which occurred during the Avalanche Warning.  Photo: C. Corey