Avalanche forecast

Jasper

Mar 7 – 8, 2019Parks Canada
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Archived · expired 8 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

As the month long drought ends look for a variety of weak layers to be buried that could cause problems in the weeks to come.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–1.5
    New snow and west winds could create wind slabs in the alpine.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely
    Size
    1.5–2.5
    The weak and facetted snowpack is about to be tested by warming temperatures, then some new snow, for the first time in over a month. Triggering of the basal weakness may become possible in areas where the snowpack above still retains some cohesion.

Weather Forecast

The cold ridge of high pressure has finally broke down by a series of lows moving inland bringing warmer moister air and a little precip over the region. Thursday: A mix of sun and cloud. Alpine High -8 C, Low -16 C. Ridge wind Light Southwest gusting ModerateMountain weather forecast available at Avalanche Canada.

Snowpack Summary

10cm of new snow through Thursday and moderate winds could create new windslabs in the alpine. New snow will bury a variety of surface; surface hoar, facets and crusts. The upper snowpack remains generally facetted. The mid and lower snowpack is facetted but still generally carries skis.

Avalanche Summary

No new avalanches have been observed or reported.

Confidence

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

Regions covered