Avalanche forecast

Waterton Lakes

Mar 17 – 20, 2018Parks Canada
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Archived · expired 9 years ago

Avalanche danger

Mon
Tue
Alpine
1 · Low
Treeline
1 · Low
Below
1 · Low
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Highlights

Snow followed by the spring sun is the right recipe for loose wet avalanches late Monday through Tuesday. If Monday brings sun expect moderate hazards at all elevations.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–1.5
    Watch for these developing Monday afternoon through Tuesday.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–1.5
    Hazard will increase with clearing skies after new snow.

Weather Forecast

Light NE winds through late Sunday. Turning to a light to moderate westerly flow through the rest of the week with clear skies. Expected snow fall amounts ranging from 5 to 15 cm anticipated to begin late Sunday through Monday.

Snowpack Summary

The forecast region received only a few centimeters on new snow since last Tuesday. Snow has been disappearing fast at lower elevations and south facing aspects, but wind loaded gulleys and north facing slope in the alpine are still holding snow. Colder temperatures have improved snowpack stability.

Avalanche Summary

No recent avalanche activity observed in the forecast region. Uncertain snowfall amounts followed by light to moderate west winds may create isolated wind slabs. Once the sun returns, loose wet avalanches are expected on steep solar aspects.

Confidence

Forecast snowfall amounts are uncertain on Monday

Regions covered