Avalanche Forecast
Issued: Dec 8th, 2020 4:00PM
The alpine rating is Storm Slabs and Loose Wet.
, the treeline rating is , and the below treeline rating is Known problems includeMarcus Waring,
New snow on Wednesday will hide some of the stumps and rocks still poking through our thin, early season snowpack.
Summary
Weather Forecast
Wednesday- Freezing level 1800m. 5-10mm of precipitation. Light West wind.
Thursday- Freezing level dropping to valley bottom. Moderate West wind Mix of sun and cloud with a clearing trend in the afternoon. No precipitation.
Friday- Freezing level remaining at valley bottom. No precipitation.
Snowpack Summary
Wind has scoured SW aspects to ground the alpine. A melt freeze crust is expected to form on solar aspects as freezing level drops with incoming storm on wed. Northerly aspects above 2000m have a wind slab sitting over a old melt freeze crust. 80cm of snow at Cameron Lake @2000m. Less than 20cm in rest of park. Below threshold at lower elevations.
Avalanche Summary
No new avalanches observed.
Confidence
Problems
Storm Slabs
Wed storm snow will fall on top of a melt freeze crust on solar aspects, & old wind slab on northerly aspects. Either way, expect the new snow to be reactive in steep terrain. Loose dry avalanches are possible if temperatures are colder than forecast
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Wet
This problem is our primary concern on wednesday with high freezing levels and 5-10mm of precipitation in the forecast. Wet loose will not be an issue when the freezing levels drop on thursday.
Aspects: East, South East, South, South West, West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 11th, 2020 4:00PM