February 27
Bowman-Pole canyon-Porter fork
Elevations, slope angles and aspects
6200-10400', angles over 35°, all aspects except south facing.
Snow conditions
6-10" of light density storm snow over the wind created high density storm snow.
High density layer was supportable with only occasional sinking through on the up.
Wind, of course, scoured windward
and drifted lee aspects, mostly near the ridges.
Weather
Partly cloudy skies with a mid elevation cloud layer passing through at times for most of the day. Moderate temperatures. Winds were from the west, gusting along the ridges at 20 mph or so.
Avalanche activity
Light density snow ending the storm produced sluffing
on steeper slopes, mostly east and north facing.
Got a look at the large slide in the back bowls of Mill B south
finding what appears to be a recent addition
in the area I call, yer crazy.
Zooming on the confusor suggests it ran during the windy period on Saturday and may be close to a full depth slide.
Evaluation
Snow in the area was mostly stable.
Photos indicate it was not so during the storm, at least in Mill B.
Weather guessers suggest continued wind at upper elevations so, instability from drifting continues.
Wet activity possible with warming.
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