YESTERDAY:
Early Tuesday am, variable conditions.System is slowly sliding South East.
2240 meters -5, Winds were 25-30 KPH E--Horstman Hut
1860 meters -4, Winds were 10-20 KPH ESE --Rendezvous
1560 meters -1, 1 cm in 12 Hrs, 3 cm in 24 Hrs, Base 62 cm--Catskinner
FORECAST:
A dry day is expected with unsettled weather in a Westerly flow aloft. Mostly cloudy in the valley with sunny skies in the alpine and chance of some isolated flurries by this afternoon in the lower cloud layer. Valley cloud will likely lift this am. The FL should hover in the 1200 meter range dropping to 800 meters tonight. A very weak disturbance should pass through Thursday afternoon with some periods of light precipitation. Depending on what model you like to use some are calling for unsettled weather but looks like it will be mostly cloudy. A low off the coast may bring some periods of light precipitation on Friday. We will hopefully see some more snow by late Saturday with seasonable temperatures. There is uncertainty in the models for the next few days. Guesstimates: 0-trace above 1000 m by Thursday am, trace-1 cm above 800 meters by Friday am, 2-4 cm by Saturday am.
AVALANCHE ACTIVITY:
Avalanche mitigation produced Sz 1-2 ssls entraining wet loose. Xe XcOn Tuesday, storm slab avalanches to size 2 were triggered by explosives, and evidence of a natural avalanche cycle to size 2 was also reported.
On Monday afternoon, small size 1 loose and low density slab avalanches failed naturally and with skier traffic as snow began to accumulate and load ridgetops.
INFORMATION & OBSERVATIONS:
Alpine remained closed on Tuesday on the Blackcomb Side. Snowing lightly at 13:00 Hrs.LOCAL AVALANCHE CANADA MIN REPORTS:
Disease Ridge: Dec 7, 2020
VIDEOS:
Wet Snow Avalanche: Nasty Ride
Powder Picker Dec 8, 2020: David Jones
ARTICLES:
Skier triggered avalanche in the Queyras: France
An on-line tutorial for Backcountry Beginners from: Avalanche Canada
Defiant nations bid to save winter season: BBC News
Historic Levels of snowfall in parts of the Alps: Planet Ski
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