Valanga

Lost Horse

Cam MackenzieBitterroot
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Foto dell’osservazione 1Foto dell’osservazione 2Foto dell’osservazione 3Foto dell’osservazione 4

Quick report

No signs of instability except for rollerballs.

Weather

Air Temp
38
Cloud Cover
clear
Wind Loading
none
Rain Elevation
n/app
Recent Snowfall
0
Snow Avail For Transport
small smounts

Warm and clear. Light breeze kept the conditions from getting too warm. Trailhead temp of 58 at 3pm.

Snowpack

Overall a deep and stable snowpack in upper Lost Horse. Dug in two north facing slopes at 7000' and did not find any buried weak layers or persistent weak layers. 

Rollerball cycle started early at 1000 and continued into the afternoon but no wet snow avalanches were observed. South facing solar slopes were damp to wet in the top 3 inches. Light wind kept the snowpack from tipping to wet snow and wet snow avalanches. 

Avalanche

Multiple 1-2 week old D1-D1.5 snowmobile triggered avalanches.