Avalanche forecast

Jasper

Apr 17 – 18, 2015Parks Canada
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Archived · expired 11 years ago

Avalanche danger

Sun
Mon
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

Cornices are large throughout the forecast area. Avoid slopes that could expose you to cornice failure.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Wind slabs have formed on lee slopes and cross loaded features at alpine and exposed tree line elevations.

  • Cornices

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Natural cornice failures are being observed daily. Pay attention to what is above you and avoid cornice exposed slopes.

Weather Forecast

Light snow flurries overnight in the icefields area with some rain in the valley bottoms near the townsite. Temps will be cooler on Saturday with a mix of sun and clouds. The freezing level with rise only to 1500m during the day with only light NW winds. Warmer temperatures and sunny spring weather is expected to start Monday afternoon.

Snowpack Summary

Strong Southwesterly winds have created pockets of windslab and scoured any exposed areas at upper elevations. Weak basal facets are bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Natural cornice failures continue and many more are waiting their turn to fall.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Monday

Regions covered