Avalanche Forecast
Regions: Jasper.
Periodic afternoon closures expected on Highway 93N,Tuesday. Expect delays of up to 2 hours for Avalanche Control.
Plan your travel accordingly.
Weather Forecast
Overnight: Continued flurries. Accumulation: 10 to 14 cm. Alpine temperature: High -3 °C. Ridge wind south: 15-35 km/h. Freezing level: 1800m.
Tuesday: Cloudy with sunny periods and isolated flurries. Risk of a thundershower? Precipitation: Trace. Alpine temperature: High -4 °C. Mostly light ridge wind occasionally gusting to 45 km/h.
Snowpack Summary
Up to a total of 30cm of storm snow accumulated by Tuesday morning. Expect to find new wind slab on lee ridge-top features and below. The new snow will overlie previously wind affected surfaces in non-sheltered areas in the alpine and below as well as widespread surface facets. Strong mid-pack in deeper areas overlies supportive basal layers.
Avalanche Summary
Patrol teams reporting variable snowfall through the forecast region. Poor visibility and no new avalanche activity reported or observed.
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Confidence
Forecast snowfall amounts are uncertain on Tuesday
Avalanche Problems
Storm Slabs
Likelihood and size dependent on wind effect and precip amounts
- Use caution in lee areas. Recent wind loading have created wind slabs.
- Minimize exposure during periods of heavy loading from new snow and wind.
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Possible - Likely
Expected Size: 1 - 2.5
Loose Dry
Size and likelihood dependent on precip amounts. Previous surface faceting could make this problem more reactive.
- Avoid travelling on ledges and cliffs where sluffing may have severe consequences.
- Be careful of loose dry power sluffing in steep terrain.
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 1 - 2