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Archived

Avalanche Forecast

Mar 20th, 2020–Mar 21st, 2020
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Colder temperatures are on the way. Good skiing can still be found on sheltered polar aspects Tree line and below. Keep your activities mellow and finish early. Now is not the time to get into complicated situations.

Weather Forecast

Saturday: Cloudy with sunny periods. High -8 No new snow expected. Freezing levels at Valley bottom

Sunday: Cloudy with isolated flurries. HIgh -7 with 30km/h SW winds

Monday: Snow. Up to 10cm of snow High -4 Gusty SW winds to 40km/h Freezing levels to Valley bottom

More detailed forecast at: Mountain weather forecast

Snowpack Summary

Snowpack continues to settle due to Diurnal conditions. Scoured from previous winds. Old hard slabs exists in the alpine and open tree line. More confidence in the southern snowpack. Cornices remain an overhead hazard,

The mornings can provide good travel on the melt freeze crust. By early afternoon the crust will start to break down.

Avalanche Summary

A road patrol down highway 93 noted a few wet loose avalanches to size 1.5 out of TL and below on solar aspects. Water running on cliff bands that are in direct sunlight also observed in the Maligne lake road area.

Confidence

Avalanche Problems

Deep Persistent Slabs

This problem will require a large trigger, thin spots or rapid day time warming.

  • Be aware of the potential for full depth avalanches due to weak layers at the base of the snowpack.
  • Avoid shallow snowpack areas where triggering is more likely.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3.5