Avalanche forecast

Jasper

Dec 5 – 6, 2016Parks Canada
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Archived · expired 10 years ago

Avalanche danger

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

Temperatures are about to move into the frigid range for this week.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    This condition would be found mainly on open lee slopes or cross-loaded gullies. Avoid traveling through or underneath these features.

Avalanche Summary

Sunday's Icefield's patrol observed several loose dry activity on solar aspects. 2300 to alpine small windslabs 24-48 hrs old. Visibility was in and out.

Weather Forecast

Flurries, cold temperatures, and light NW winds Monday. Tuesday-Thursday will be arctic cold, sunny, and light Northerly winds. No new snow until Friday. 

Snowpack Summary

Ridge-top snow transport and cross loading occurring Sunday. 10-20cm new snow drainage dependent adding further load and wind transport. Wind slabs 50+cm on some open features at TL and above. Nov 12 crust is exposed in open Alpine features on the windward side and down 40 to 70cms or more in the lee. Temperature gradient promoting facetting.

Confidence

Wind effect is extremely variable

Regions covered