February 10

Bowman trail, Pole canyon,

ray-track

mdidle bowl(Alexander Basin),

middle-bowl

bobslid(Porter fork).

Elevations, slope angles and aspects

6200-10400', angles over 35°, all aspects.

Snow conditions

4-10" new snow, elevation dependent, over a mostly crusted base.

Old surface was spongy on the shady, supportable, off aspects and south facing.

New snow was of moderate density, which helped not feeling the old surface on all but the steeper slopes.

Weather

Overcast skies and light wind. Instability showers throughout the day with, perhaps, an inch of additional accumulation.

Avalanche activity

Limited to surface sluffing, with natural point releases.

basin-sluff

Ski cuts and cornice drops produced some shallow sluffs, both in starting zones and on break overs.

Evaluation

Good stability on all aspects at all elevations.

Future potential instability, wind drifting and day time heating with clearing.

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