Nov 20th, 2016    Public Observer
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Nov 21st, 2016    Heather Thamm
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Nov 20th, 2016    Johnston-Bloom / Moderow
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Nov 22nd, 2016   
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Nov 13th, 2017   
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Happy New Year! Monday January 8, 2018 when you open the Turnagain Area Avalanche Advisory it will look different. We are making a few changes. Please see this link for a document explaining the changes ( and a quick video tutorial: These changes are part of a national push to have consistency between public avalanche advisories across the country and to help better define the avalanche hazard each day. Go to to look at other avalanche centers. If you are not seeing new icons and the page doesnít look right (icons are large, bar graphs are below them) please refresh this page and/or clean out your cache to see the changes. Clean out your cache. A quick web search helps to do this easily.
Turnagain Advisory
Thursday, January 18th 2018
The avalanche danger is CONSIDERABLE on all slopes above 1,000'. Triggering a 2-3+' large slab avalanche, composed of the new snow, is likely above 1,500'. Naturally occurring avalanches and cornice fall are also possible. Additionally, avalanches could break in deeper layers of the snowpack, causing a much larger slide and a very dangerous avalanche.  Below 1,000' the avalanche danger is LOW due to a crust forming overnight, and very little snow at this elevation band.  *Today is a day to let the mountains adjust to 4-6+’ of snow from two storm cycles this week. Cautious route-finding and conservative decision-making will be essential.  …
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Summit Weekly Summary
Saturday, January 13th 2018
ARCHIVED ADVISORY - Advisories expire after 24 hours.
*Increasing avalanche danger in the Summit Lake area*12 - 15" of new snow fell on Saturday 1/13 with strong winds, human triggered avalanches could be likely - see report from Tenderfoot and video below. There is a major pattern shift in the weather from calm and cold to warm, wet, and windy this weekend. This is expected to bring 12-18" of new snow to the Summit area along with strong winds.  The Summit area continues to have a generally thin snowpack, harboring various weak layers, heading …
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