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Archives
ARCHIVED - Forecasts expire after 24 hours.
Issued
Sat, November 5th, 2011 - 7:00AM
Expires
Sun, November 6th, 2011 - 7:00AM
Forecaster
Kevin Wright
Avalanche risk The Bottom Line

Good morning, this is Kevin Wright with the Chugach National Forest Avalanche Information Center on Saturday, November 4th. This is just a quick update for the weekend, as conditions have changed again over the last 2 days.

We got anCNFAIC Staff shot of snow yesterday through the region, and strong winds were blowing the previous snow off the ridges even before that precip started. Total snowfall yesterday is somewhere in the 8-18 inch range. Wind loading and recent snow add up to less stable conditions. The weather forecast is calling for clear skies today, but a high probability of snow this evening. Expect the sucker hole today to fall back into anCNFAIC Staff storm.

I would approach the backcountry today with a good sense of caution. Tender wind slabs at upper elevations are very possible. The early season shallow snowpack could be hiding some surprises that you wouldn’t expect. Earlier this week we got a couple reports of sun crust formation on Southern aspects. This is a potential sliding layer for the snowfall that came in yesterday.

The information coming into the avalanche center right now is fairly limited, so make sure that your travel decisions are based on the evidence that you find in the field.

Remember the basics; only one person on a slope at a time, don’t forget your beacon, shovel, and probe, travel with a partner and evaluate the snow conditions as you go. Double check all your gear is working properly, such as, get that beacon some new batteries and make sure your probe is not rusted shut. It’s time to get our avalanche eyeballs out!

This advisory will continue to be updated irregularly until we have the resources to resume a daily schedule. Check back for updates and keep sending us your observations from the backcountry.

Sat, November 5th, 2011
Alpine
Above 2,500'
0 - No Rating
Avalanche risk
Treeline
1,000'-2,500'
0 - No Rating
Avalanche risk
Below Treeline
Below 1,000'
0 - No Rating
Avalanche risk
0 - No Rating
1 - Low
2 - Moderate
3 - Considerable
4 - High
5 - Extreme
Avalanche risk Avalanche risk Avalanche risk Avalanche risk Avalanche risk
Travel Advice Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. Dangerous avalanche conditions. Dangerous avalanche conditions. Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain.
Likelihood of Avalanches Natural and human-triggered avalanches unlikely. Natural avalanches unlikely; human-triggered avalanches possible. Natural avalanches possible; human-triggered avalanches likely. Natural avalanches likely; human-triggered avalanches very likely. Natural and human-triggered avalanches certain.
Avalanche Size and Distribution Small avalanches in isolated areas or extreme terrain. Small avalanches in specific areas; or large avalanches in isolated areas. Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. Large avalanches in many areas; or very large avalanches in specific areas. Very large avalanches in many areas.
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This is a general backcountry avalanche advisory issued for Turnagain Arm with Turnagain Pass as the core advisory area. This advisory does not apply to highways, railroads or operating ski areas.