Avalanche forecast

Jasper

Feb 2 – 3, 2019Parks Canada
View on map
Archived · expired 8 years ago

Avalanche danger

Sun
Mon
Alpine
4 · High
Treeline
4 · High
Below
4 · High
Open full map

Highlights

Highway 93N, Icefields Parkway is Closed from Athabasca Falls to Sask River Crossing. Expected opening for both: Saturday at 18:00. (low confidence) Check Alberta511 for latest updates

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2.5
    Avoid avalanche terrain until the storm subsides and the snowpack can settle.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1.5–3.5
    New snow may overload the deep persistent weakness. Avoid avalanche terrain.

Weather Forecast

Periods of snow, at times heavy. Accumulation in Icefields: 18cm overnight Thursday, with a further 20cm on Friday; 8 -10cm Saturday. Temps drop over the day Saturday with an overnight low of -28. Valley bottom freezing levels. Mostly light SW winds, gusting at ridge tops. A detailed mountain weather forecast is available from Avalanche Canada.

Snowpack Summary

Forecasted storm snow over this weekend, 18cm at the time of report, (potentially a further 30cm), will change everything. The existing upper snow pack continues to settle over surface hoar, now down 30cm. Solar aspects have buried surface sun/temperature crusts at TL and below. Below that, a strong mid-pack sits over a deep persistent weakness.

Avalanche Summary

Poor visibility through the forecast region. No new avalanches observed or reported. Help forecast - share observations HERE, on the Mountain Information Network!

Confidence

The weather pattern is stable

Regions covered