Avalanche Forecast
South Coast Inland
Recently formed storm slabs are expected to remain reactive to human triggers, especially in wind effected areas at treeline and above.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- The new snow may require several days to settle and stabilize.
- Stay off recent wind loaded areas until the slope has had a chance to stabilize.
- Be cautious as you transition into wind-affected terrain.
Avalanche Summary
Two size 1.5-2 naturally triggered wind slabs were reported on west, northwest aspects in this region on Wednesday.
Snowpack Summary
10-20 cm of new snow on Thursday morning brings recent storm totals to 60-90cm. Moderate southerly winds continue to redistribute the new snow. Last weekend's strong to extreme southeasterly ridgetop winds likely created dense storm slabs lurking in lee and cross-loaded features at treeline and above.
90-120cm below the surface you'll likely find a few crusts that were buried during the first few weeks of January. Due to limited observations, not much is known about the current reactivity of these layers.
The lower snowpack includes the mid-December crust layer. I'd expect an improving bond at this interface; however, the load of the new snow may tip the balance and reactivate this layer in isolated terrain - particularly in the north of the region where it's shown prolonged reactivity in snowpack tests.
Weather Forecast
FRIDAY: Mostly cloudy with flurries / Light southwesterly ridgetop winds / Freezing level around 500m.
SATURDAY: 5-10 cm of new snow / Moderate to strong southwesterly ridgetop winds / Freezing level around 700m.
SUNDAY: 10-20 cm of new snow / Strong southwesterly ridgetop winds / Freezing level rapidly rising to around 1800m.
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New snow and wind continue to build storm slabs reactive to human triggers.