Valanga

Middle Fork Corridor (HWY 2)

Michael ReavisFlathead Range & Glacier NP
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Foto dell’osservazione 1Foto dell’osservazione 2Foto dell’osservazione 3

Quick report

Glassed the Flathead Range alpine from Essex to West Glacier on HWY 2.  Recent avalanches were observed on varying aspects and elevations. 

•Numerous fresh debris piles observed under steep terrain where avalanche crowns were obscured by terrain or cloud. Debris piles were on the smaller side (D1-D2) and mainly in steep terrain around Mt. Penrose/Skiumah Creek. 

•One larger, widely propogating (~150ft) slab avalanche (D2) crown was partially filled in (likely from last nights storm (~5" recorded at Tunnel snow site)). Would estimate the slide to have occurred during the late PM hours of 2/1. 

•Pulses of rain (lower elevations) and snow (upper elevations) occurring throughout the day. Snowline estimated at 6000'. 

Weather

Air Temp
Below freezing (above ~5500')
Cloud Cover
overcast
Wind Loading
light
Recent Snowfall
~12cm
Snow Avail For Transport
small smounts

Avalanche

Size
D2
Type
HS
Count
2
Aspect
NE
Trigger
N
Elevation
7200 ft