Mon, Dec 14, 2020 - 10:39 AM
Snow Conditions No Avalanche Activity
Ski or Snowboard
Today I toured up Tumalo from the Vista Butte snopark at 10am. Temperature leaving the lot was 29f with no wind.
New snow measured in the trees between 1-6" on the way up the east ridge.
Near and above tree line a thin wind effected layer was observed on the surface of the snow, with a fragile rime crust developing in the top 1cm. New snow above the old rain crust was measured at 1-2" near and above treeline.
At the summit a cloud layer was moving in and out, but I got a good look into the bowl. It held wind affected snow that looked quit ski-able. The cornice on the skiers left side of the bowl has begun to develop, and there were some wind deposited pockets of snow on the leeward side of the summit ridge. None of this wind deposited snow was reactive to ski cuts, and I noted no other signs on instability during my tour. All the recent storm snow appeared well bonded to the existing pack.
The skiing back down the east ridge was highly pleasurable boot top pow with a supported crust underneath.
Skies were clear except the summit block which was broken. No precipitation fell during my tour.
Wind was calm to very light out of the WSW.
Temperature at the summit at 11am was 24f.
As I returned to the Vista Butte parkingnlot, the snow on east and south east open areas was beginning to show signs of sun exposure and was getting a little bit heavy. The temperature when I left at 11:30 was 31f.