| Date | Rating | Problem #1 | Problem #2 | The Bottom Line |
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Wind Slabs
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Persistent Slabs
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The avalanche danger is MODERATE above 1000′. Up to 3″ of snowfall and moderate winds today will create fresh wind slabs up to 2′ deep which are most likely to be found at upper elevations. Active weather will make natural avalanches possible in the afternoon and the avalanche danger will trend towards CONSIDERABLE in the alpine. [Read More] | ||
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Storm Slabs
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The avalanche danger is MODERATE above 1000′. It is possible a person can trigger an avalanche 1-3′ deep, with the snow from last week sitting on top of weak surfaces. We’ve seen this combination of a slab on top of a weak layer throughout the advisory area, so approach steep slopes with caution today. Be on the [Read More] | ||
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Storm Slabs
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The avalanche danger is MODERATE above 1000′ today. It is possible a person could trigger an avalanche 1-3′ deep or deeper below the new snow from the end of last week, which fell on firm crusts, buried surface hoar, and near-surface facets. Approach steep terrain carefully today, and keep in mind the very real possibility of triggering [Read More] | ||
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Storm Slabs
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The avalanche danger is CONSIDERABLE above 2500′. New snow and strong winds over the past two days have built sensitive slabs 1-2′ deep or deeper on top of weak surfaces, with a layer of buried surface hoar present throughout most of the advisory area. These storm and wind slabs will remain reactive today despite calm weather. These [Read More] | ||
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Storm Slabs
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The avalanche danger is CONSIDERABLE above 1000′. Strong winds over the past 24 hours and 2-6″ of snowfall expected today will make natural avalanches possible and human triggered avalanches likely. Wind slabs at upper elevations will be up to 2′ deep and could release on lower angle slopes and propagate more widely than normal due to a [Read More] | ||
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Storm Slabs
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The avalanche danger is CONSIDERABLE above 1000′. New snow and strong winds have built sensitive slabs of snow on top of a weak layer of buried surface hoar, making it likely a person could trigger an avalanche 1-2′ deep or deeper. The avalanche conditions will be the most dangerous in areas that have gotten the most snow [Read More] | ||
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Storm Slabs
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The avalanche danger is CONSIDERABLE above 2500′. Strong winds and new snow over the past 12 hours have created fresh wind slabs up to 2′ deep that are likely for human triggering and possible for natural avalanches. This storm buried a layer of surface hoar that existed on all aspects and elevations and could cause wind slabs [Read More] | ||
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Wind Slabs
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The avalanche danger is LOW at all elevations this morning and expected to rise to MODERATE at the high elevations (above 2,500′) later this afternoon. Increasing easterly winds through the day should begin to form small wind slabs on steep wind loaded slopes. Later this evening into tonight, light snowfall with the strong winds will [Read More] | ||
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Normal Caution
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The avalanche danger is LOW at all elevations in the Turnagain Pass region. Triggering a large avalanche is unlikely. In exposed steep terrain with wind affected snow, watch out for small isolated wind slabs. Additionally, watch your sluff on steep sustained slopes and chutes. As always, give cornices a wide berth and limit exposure under glide [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger is MODERATE at elevations above 2,500′ on all aspects. Lingering wind slabs formed by the strong winds last Friday may still be triggered by people on steep slopes. These could be up to 2-3′ in depth and be quite hard, allowing a person onto the slab before it releases. Additionally, triggering a [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger is MODERATE above 1000′. Lingering wind slabs up to 3′ deep from the very strong east winds on Friday are still possible for a person to trigger today. The most likely place to find a wind slab is along upper elevation ridgelines, cross loaded gullies, and convex rolls. Warming temperatures this afternoon could also [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger is CONSIDERABLE above 2500′, where lingering wind slabs up to 3′ deep are likely for a person to trigger today. Very strong easterly winds created fresh wind slabs over the past 24 hours which could exist lower down on leeward slopes than normal due to the strength of the winds. In areas with a [Read More] | ||
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Storm Slabs
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Persistent Slabs
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We have issued an Avalanche Warning through the National Weather Service that continues until 6 p.m. this evening. We are expecting heavy snowfall and strong winds today, which will lead to very dangerous avalanche conditions. Large natural avalanches failing 2-4′ deep or deeper in new and wind-drifted snow are likely, and some locations may see very large [Read More] | ||
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Storm Slabs
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Persistent Slabs
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6pm UPDATE: The avalanche danger is rising to HIGH overnight due to increasing snowfall, rain and wind. An Avalanche Warning has been issued beginning at 6pm today, Thursday, that will extend through tomorrow, Friday. The avalanche danger is CONSIDERABLE at all elevations today and will likely rise to HIGH this evening and into tomorrow as [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger is CONSIDERABLE at elevations above 2,500′ on all aspects. Increasing easterly winds today ahead of another storm tonight is expected to create new wind slabs. These should be easy to trigger on any freshly wind loaded slope and in the 1′ deep realm. Wind slabs have the potential to step down and [Read More] | ||
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Storm Slabs
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Persistent Slabs
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The avalanche danger is CONSIDERABLE on all aspects and elevations. Human triggered avalanches composed of the new snow from last night will be likely. These will be storm slabs, wind slabs, sluffs and cornice falls. Avalanches will be larger and more dangerous in the Girdwood, Placer, and Portage Valleys where the highest snowfall amounts occurred [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger will rise to CONSIDERABLE as strong winds pick up and snowfall begins today. It is likely a person will be able to trigger an avalanche 1-2′ deep on sensitive wind slabs that will be forming during the day, and natural avalanches will be possible. It will also be possible to trigger a deeper [Read More] | ||
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Persistent Slabs
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The avalanche danger is MODERATE today. It is possible a person could trigger an avalanche 1-2′ deep on lingering slabs that formed overnight Thursday into early Friday morning on top of weak surfaces. In some of the areas along the far northern and southern edges of our forecast zone, it is also possible a person could trigger [Read More] | ||
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Wind Slabs
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Persistent Slabs
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The avalanche danger is CONSIDERABLE above 1000′ today. A widespread natural avalanche cycle yesterday, which was responsible for multiple highway closures throughout Southcentral AK, is a wake up call that dangerous avalanche conditions exist. Conservative decision-making and cautious route finding are recommended today so we can give the snowpack time to adjust to the new load. Human [Read More] | ||
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Wind Slabs
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The avalanche danger is CONSIDERABLE at all elevations. Another round of new snow and wind overnight has built sensitive slabs, making it likely a person could trigger an avalanche up to 2′ deep. Avalanches triggered in the upper elevation start zones have the potential to run down to valley bottoms. Mixed rain and snow up to [Read More] | ||
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Wind Slabs
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The avalanche danger is CONSIDERABLE above 2500′ today. Lingering wind slabs up to 2′ deep that formed yesterday are likely for a person to trigger at higher elevations and in steeper terrain. Another storm is approaching this afternoon which will bring 6-12″ of snowfall to the forecast area and will increase avalanche danger this evening and overnight. [Read More] | ||
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Storm Slabs
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The avalanche danger is CONSIDERABLE on all aspects and elevations due to a storm over the region this morning. Avalanches composed of the new snow (storm slabs, wind slabs and sluffs) will be likely to trigger by people and natural avalanches are possible. The danger is greatest in the mountains near Girdwood, Portage and Placer [Read More] | ||
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Wind Slabs
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The avalanche danger is MODERATE at all elevations and on all aspects. Fresh new wind slabs up to a foot deep could be triggered on wind loaded slopes in the Alpine (above 2,500′) and possibly in exposed areas below this in the trees. Additionally, wet or moist snow sluffs may occur today in the new [Read More] | ||
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Wind Slabs
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The avalanche danger is MODERATE above 2500′ today. Lingering wind slabs up to 1′ deep are possible for a person to trigger, especially in steeper terrain along ridgelines. Another storm is approaching the area this afternoon which will bring increased winds and cloud cover and 4-8″ of snowfall by tomorrow morning. The new snow and winds will [Read More] | ||
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Wind Slabs
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The avalanche danger is MODERATE above 2500′, where it will be possible to trigger a wind slab avalanche up to a foot deep. Moderate winds this morning will be able to build sensitive slabs with the low-density snow at the surface before calming down early in the day. The most dangerous terrain features will be near ridgelines, [Read More] |
Below are archived forecasts for the past 5 seasons with the highest danger rating and Avalanche Problem 1 displayed in the chart. Click on a table cell to read the forecast for that day. Alternatively you can view this page for 10 seasons of data plus embedded observations from that day.