Avalog
Register
Get forecast notifications
Create an account to receive email notifications when forecasts are published.
Register
Login
Archived

Avalanche Forecast

Apr 26th, 2019–Apr 27th, 2019
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
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
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

Regions: Jasper.

Watch for reverse loading as the wind direction switches to the North late Saturday.

Weather Forecast

Parker Ridge:

Saturday: Cloudy with sunny periods and isolated flurries. Treeline temperature: High -5 C.

Ridge wind north: 20 km/h gusting to 75 km/h.

Freezing level: 1500 metres.

Sunday : Flurries. Accumulation: 6 cm. Treeline temperature: Low -12 C, High -6 C.

Mostly light ridge wind occasionally gusting to 35 km/h.

Freezing level: 1600 metres.

Snowpack Summary

10cm of snow is forecast for Parker Ridge on Saturday. This new snow will overly several crusts / facet layers in the upper 40cm, and a faceted layer down 70cm on shady aspects. Watch for a switch in wind direction Saturday afternoon to the north. Windslabs can be expected on most aspects in the alpine.

Avalanche Summary

Recent signs of cornice failure and wind slabs in the high alpine.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Saturday

Avalanche Problems

Wind Slabs

Expect windslab on most aspects in the alpine.

  • Watch for whumphing, hollow sounds and shooting cracks.
  • Use caution in lee areas in the alpine and treeline. Recent storm snow has formed wind slabs.

Aspects: North, North East, East, South East, South, South West.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2.5

Persistent Slabs

Snow on Saturday night could increase the likelihood of triggering.

  • Carefully evaluate terrain features by digging and testing on adjacent, safe slopes.
  • Note recent avalanche activity.

Aspects: North, North East, East, North West.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1.5 - 3