Avalanche forecast

Jasper

Feb 13 – 14, 2020Parks Canada
View on map
Archived · expired 7 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low
Open full map

Highlights

Slightly colder temperatures and small amounts of new snow will keep the sheltered skiing in good shape.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3

    Wind slabs are prevalent through the forecast region. Their sensitivity will vary particularly with local loading and wind patterns.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely
    Size
    1.5–3

    Shallow snowpack zones and/or large triggers such as cornice failures could trigger this deep layer. The consequences would be severe!

Weather Forecast

Wednesday night to Thursday evening: 5cm of snow expected. -11 as the low and light SW winds gusting to 45km.

Friday: Cloudy with no precipitation expected. Low -12

Weekend: Mostly overcast with trace amounts of snow expected. Light SW winds with some gusts to 55km on Saturday.

See Weather synopsis here: Avalanche Canada Mountain Weather Forecast

Snowpack Summary

SW winds have created variable windslab and pronounced cornice development on Northerly aspects and cross loaded features treeline and above. Suspect more sensitive soft slab developing at treeline. The mid-pack is bridging the deeper basal facets and depth hoar. Average HS at treeline: ~180cm.

Avalanche Summary

A road patrol down Maligne lake road today showed fresh wind effect on alpine features, but no new avalanche activity was observed.

Confidence

Due to the number of field observations

Regions covered