Gunnison

Avalanche

Zach Guy · Feb 5, 2015 · Gunnison

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Weather

Moderate winds with strong gusts began to ease midday, with moderate snow transport in the morning. A high of 39 at 10k feet. Thin clouds, few to scattered.

Snowpack

Surfaces became moist on SE to SW aspects N/BTL in wind sheltered areas.

Avalanche

Observed 11 fresh natural soft slab avalanches on E, SE, and NE aspects above treeline, mostly D1.5, and one D2. Averaged an estimated 1 to 2 feet deep, ranging from 30 feet to 600 feet wide, averaging about 50-150 feet wide, presumably on or above the Jan 30th interface. Ran in the last 36 hours. Also about 10 very small wet loose avalanches on south aspects near/above treeline from steep, rocky slopes. 2x SS-N-R1-D1.5-U on Mt Owen's E/NE face 1xSS-N-R1-D1-U on Mt. Owen's NE face 1xSS-N-R1-D1.5-U on Mt. Afley's SE face 2x SS-N-R1-D1.5-U on Mt Richmond's E and SE faces 1x SS-N-R1-D1.5-U on Hancock Peak's SE face 2x SS-N-R2-D2/1.5-U in the Anthracite Range E aspect ATL (wide propagation, 600 feet?, happened today) 2xSS-N-R1-D1.5-U off of Scarp Ridge, NE aspect ATL. 10x WL-N-R1-D1-S various south aspects N/ATL We skier triggered a fresh windslab on a SE aspect ATL. Up to 18" deep, 30 feet wide, failing on mid-storm DF's. SS-ASc-R1-D1-S