May 11

Alta guard station to Black Knob

black-knob

to Superior

superior

and back to the guard station.

toledo

Elevations, slope angles and aspects

8300-1100', angles over 35°, all aspects.

lcc

Snow conditions

The upper 6-10" of snow was soggy from several days of rain

Radiation cooling provided a shallow refreeze which was short lived. One run of corn then slush.

nw

Done by 1pm.

may-ho

Weather

Cool in the early morning with clear skies. Rapid warming with convective clouds forming before noon. No wind.

upper-cardiff

Avalanche activity

Widespread point release and rollers, mostly but not limited, to east facing and rocky areas.

holy-toledo

Evaluation

Decreasing stability from a lack of refreeze and warm temperatures.

Layering on the shady side lingers with some potential for deeper release into old snow.

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