Avalanche forecast

Jasper

Mar 19 – 20, 2020Parks Canada
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Archived · expired 7 years ago

Avalanche danger

Sat
Sun
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
2 · Moderate

Highlights

Consecutive days of day time warming is taking its effect on the snow pack. Watch for prolonged periods of sun on solar aspects later in the day.

Avalanche problems

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2.5

    This problem will increase with day time warming and solar input, Travel early when the snowpack is frozen on solar aspects, and avoid during the heat of the day.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3.5

    This problem will require a large trigger, thin spots or rapid day time warming.

Weather Forecast

Tonight: Cloudy, Light West winds and no new precip.

Friday: Partially sunny with Light West winds High -5  freezing levels rising to 1600m

Saturday: Cloudy with isolated flurries, High -14 with moderate West winds

More detailed forecast at: Mountain weather forecast

Snowpack Summary

Snowpack continues to settle due to Diurnal conditions. Scoured from previous winds. Old hard slabs exists in the alpine and open tree line. More confidence in the southern snowpack. Cornices remain an overhead hazard,

The mornings can provide good travel on the melt freeze crust. By early afternoon the crust will start to break down.

Avalanche Summary

No new avalanche activity noted today.

Confidence

The weather pattern is stable

Regions covered