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Archived

Avalanche Forecast

Nov 27th, 2018–Nov 28th, 2018
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
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: Northwest Coastal.

The forecast is calling for a gradual cooling trend as the week progresses. If you've been out please post your observations to the Mountain Information Network MIN.

Confidence

Low - Due to the number of field observations

Weather Forecast

Overnight TUESDAY: Wet flurries or showers, accumulation up to 5-10cm  possible in the alpine / Alpine temperature 2 / Light to moderate southwest wind / Freezing level 1100 m.WEDNESDAY: Scattered  flurries or showers / Alpine temperature -1 / Light to moderate southwest wind / Freezing level 1200 mTHURSDAY: Flurries or showers / Alpine temperature -2 / Light north wind / Freezing level 900 mFRIDAY: Flurries or showers / Alpine temperature -2 / Light northwest wind / Freezing level 700 m

Avalanche Summary

A Mountain Information Network post from the Shames area on Monday indicates loose wet avalanches to size 1 running in steep terrain on all aspects. If you have been out, please submit any observations to the Mountain Information Network MIN.

Snowpack Summary

Expect to see moist or wet surface snow with warm temperatures into the alpine continuing on Wednesday. There is an average of 70-120 cm of snow in the alpine. This decreases dramatically with elevation below tree line where the primary hazards are rocks, stumps, and open creeks. We currently have very limited snowpack observations, so it is critical to supplement this information with your own observations.In most places other than the highest accessible alpine areas the snowpack is possibly moist throughout. Some reports indicate there may be an early season crust near the bottom of the snowpack.

Avalanche Problems

Loose Wet

Warm temperatures and rain have weakened the snow surface.
Avoid exposure to terrain traps where the consequences of a small avalanche could be serious.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5