Avalanche Forecast

Cariboos

Date issued

Dec 14, 2017 - 4:17 PM

Valid until

Dec 15, 2017 - 2:00 PM

Prepared by

jsmith

It's still GO Time out there! Watch out for early season hazards below treeline such as rocks, stumps, and open creeks.

Regular season
Friday - December 15, 2017
Alpine

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Below Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Saturday - December 16, 2017
Alpine

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Below Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Sunday - December 17, 2017
Alpine

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Below Treeline

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

Avalanche Summary

No new avalanches were reported within this region on Wednesday. Please submit your observations to the Mountain Information Network (MIN).

Snowpack Summary

Small wind slabs may still be lingering in isolated locations on steep alpine faces but are likely stubborn to human trigger.

Surface hoar (weak, feather-like crystals) continue to grow larger in shady, sheltered areas where the wind or sun have been unable to destroy this layer which will be the primary concern after the next snowfall builds a slab on top of it. Southerly aspects have surface crusts that may also have surface hoar crystals on slopes that do not receive enough sun to melt the crystals or moist snow on steeper slopes that receive more direct sun.

A major feature in the snowpack is a crust which was formed by rain in late November. It is down approximately 60-75cm at treeline elevations and snowpack tests suggest the snow is currently bonding well to it.

Below treeline, the snowpack depth decreases rapidly. Look out for early season hazards such as rocks, stumps, and open creeks.

Weather Forecast

FRIDAY: Cloudy with flurries; 2-5cm snow / Moderate northwesterly ridgetop winds / Freezing level dropping to valley bottom.

SATURDAY: Mostly sunny / Moderate, westerly ridgetop winds / Freezing level valley bottom.

SUNDAY: 3-10cm snow / Moderate to strong westerly ridgetop winds / Freezing level valley bottom.

Danger Ratings Explained

1 - Low

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Natural and human-triggered avalanches unlikely.

Small avalanches in isolated areas or extreme terrain.

2 - Moderate

Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern.

Natural avalanches unlikely; human-triggered avalanches possible.

Small avalanches in specific areas; or large avalanches in isolated areas.

3 - Considerable

Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential.

Natural avalanches possible; human-triggered avalanches likely.

Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas.

4 - High

Very dangerous avalanche conditions. Travel in avalanche terrain not recommended.

Natural avalanches likely; human-triggered avalanches very likely.

Large avalanches in many areas; or very large avalanches in specific areas.

5 - Extreme

Avoid all avalanche terrain.

Natural and human-triggered avalanches certain.

Large to very large avalanches in many areas.

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  1. Cariboos URL: http://www.avalanche.ca/api/forecasts/cariboos.rss
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