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Archived

Avalanche Forecast

Apr 20th, 2016–Apr 21st, 2016
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Little Yoho.

High freezing levels and poor overnight recovery are expected until Saturday night.

Weather Forecast

Freezing level will start to drop slightly to 3500 m Thursday-Friday and does not drop significantly until Saturday night based on our weather models. Weather stations showing above freezing temperatures at 2900m.

Snowpack Summary

The snowpack is enduring repeated freeze/thaw cycles with very high overnight freezing levels the past few nights. Avalanche danger predominantly relates to temperature, sun affect and surface crust integrity under these conditions (spring).

Avalanche Summary

No avalanches observed or reported today however it is likely that afternoon loose/wet avalanches are a daily occurrence.

Confidence

Avalanche Problems

Loose Wet

Little overnight recovery is expected over the next few days. If it is not significantly frozen when you start you trip early in the morning, make other plans.

  • Travel early on frozen crusts before the heat of the day.
  • Watch for clues, like sluffing off of cliffs, that the snowpack is warming up.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 2