Avalanche forecast

Jasper

Nov 14 – 15, 2021
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Avalanche danger

Mon
Tue
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
No rating

Highlights

The avalanche hazard is expected to rise over the next couple of days. With limited early season observations and uncertainty in the amount of incoming precipitation, please approach avalanche terrain cautiously.For possible hwy closure info 511AB.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2

    Although still likely small, these avalanches could have severe consequences in extreme terrain or shallow areas. This avalanche problem is expected to increase with the incoming storm.

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–1.5

    Ice climbers should use caution for overhead hazard during periods of heavy loading.

Weather Forecast

Sunday: Snow.; Accumulation: 23 cm; Alpine temperature: High -1 °C; Wind southwest: 20 km/h gusting to 50 km/h.

Monday: Snow, heavy at times; Accumulation: 42 cm; Alpine temp: Low -12 °C, High 0 °C; Light wind gusting to 40 km/h.

Tuesday: Isolated flurries; Precipitation: Trace; Alpine temperature: Low -18 °C, High -10 °C; Wind west: 15-35 km/h.

Snowpack Summary

25 cm of new snow at Parkers ridge in the past 24 hours with moderate to strong south west winds. Alpine and tree-line areas are slowly gaining enough snow for avalanches, particularly in leeward alpine bowls, gullies, and around ridge lines.

Avalanche Summary

No new avalanches have been observed by the road patrol on Saturday. There have been reports of smaller isolated wind slabs in alpine features over the past week, but not a lot of people are out in the mountains so take that into account in your decision making.

Confidence

Forecast snowfall amounts are uncertain on Monday

Regions covered