Avalanche

Teton Pass Ski Area - Out of bounds

Charles Hlavac
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Quick report

A decent size natural avalanche that ran in the middle of the night. Multiple small natural avalanches observed on East aspect around 7500-8500' elevations, one large D3 avalanche observed.

Weather

Air Temp
28
Cloud Cover
scattered
Wind Loading
intense
Rain Elevation
6200'
Recent Snowfall
30
Snow Avail For Transport
large amounts

Abnormal warm temps with rain at higher than usual elevations yesterday. Moderate wet snow amounts at high elevations, followed by a significant wind event.

Snowpack

A heavy wet storm with estimated 8-12" of new snow in the past 24 hrs fell on top of a more or less dry mid-season pack.

Avalanche

Size
D2
Count
2
Aspect
E
Trigger
N
Elevation
7500 ft

Natural D3 avalanche observed by groomer this morning. Likely occurred in the middle of the night. Starting elevation ~8500'. Toe of the debris was 6850'. Starting zone showed some crowns mixed with areas that had filled back in. Visible crown was estimated at 12-18" deep and 300' wide.