YESTERDAY:
Ipsoot Mountain.2240 meters -6, Winds were 20-30 KPH S--Horstman Hut
1860 meters -3, Winds were 5-15 KPH ESE --Rendezvous
1560 meters -7, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 92 cm--Catskinner
FORECAST:
Upper ridge will bring dry weather with mostly cloudy skies for today in a Westerly flow aloft. We may see a few sunny breaks. The freezing level will likely rise to 1200 meters with some warm air aloft. Similar day expected for Thursday with a bit more sun. Low will bring some more snow to the area for Christmas Day into Boxing Day. Guesstimates: 0 cm by Thursday am, 0-trace by Friday am, 5-10 cm by Saturday am, 5-10 cm by Sunday am.
AVALANCHE ACTIVITY:
Skier accidental, Sapphire Bowl. MIN Report below.Numerous wind slab avalanches were triggered naturally and by riders on Tuesday. The occurred on southerly aspects due to recent north wind. They most occurred at alpine and treeline elevations.
The latest observed avalanche on the weak layers described in the snowpack summary occurred on December 19, where a few large avalanches were triggered by riders and explosives. They occurred on northerly aspect in alpine terrain (2100 m) and were generally 30 to 50 cm deep.
LOCAL AVALANCHE CANADA MIN REPORTS:
Shovelnose Cut Blocks: Dec 22, 2020
Sapphire Bowl: Dec 22, 2020
Skier triggered at Guides Notch: Dec 22, 2020
Suns Out-South Coast: Dec 22, 2020
Rainbow SW: Dec 22, 2020
VIDEOS:
Powder Picker Dec 22, 2020: David Jones
ARTICLES:
CVSAR assist snowmobilers, avalanche risk a factor: Mount Washington
Nevada snowmobiler killed in Wyoming avalanche identified: Suicide Hill
Officials urge caution after hundreds of avalanches: Colorado
False alarm avalanche rescue deploys helicopter and dozens of volunteers un Summit County: Colorado
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