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Archived Avalanche Advisories from the Mount Shasta Avalanche Center

Use this page to view archived advisories. The table below shows the overall danger rating and the bottom line for the 20 most recent advisories. Click on the time and date link above each danger rating icon to view the full advisory for that day. Use the date chooser or the pager at the bottom to scroll through the older advisories.

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Date the advisory was published: Bottom Line
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April 6, 2014 at 6:39 am

MODERATE avalanche danger may form on sun exposed E-SE-S-SW-W aspects during the warmest portions of the day, especially above treeline. Loose wet snow avalanches will be possible on slopes steeper than 35 degrees. Larger slab avalanches remain unlikely, however small to medium wind slab avalanches triggered by a skier/climber will be possible today.
Overall, LOW avalanche danger exists for all other areas.

Carry a beacon, shovel and probe and know how to use them!

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April 5, 2014 at 6:32 am

The avalanche danger for all aspects and elevations is LOW. Isolated pockets of MODERATE wind slab and loose snow avalanche danger exists, especially in complex or extreme terrain on N - NE - E - SE aspects.

Normal caution is advised.

Carry a beacon, shovel and probe and know how to use them!

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April 4, 2014 at 6:50 am

The avalanche danger for all aspects and elevations is LOW. Isolated areas of MODERATE wind slab instability may exist, especially in complex or extreme terrain on N - NE - E - SE aspects.

Normal caution is advised.

Carry a beacon, shovel and probe and know how to use them!

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March 30, 2014 at 6:43 am

The avalanche danger is MODERATE with pockets of CONSIDERABLE for near and above treeline wind and storm slabs (>8,000 ft) on all slopes, steeper than 30 degrees.

Below treeline, all aspects, the avalanche danger is LOW.

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March 29, 2014 at 6:57 am

The avalanche danger is CONSIDERABLE for above treeline areas (>8,000ft),

MODERATE near treeline, and

LOW for below treeline areas, all aspects and slopes steeper than 35 degrees.

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March 28, 2014 at 6:59 am

Today, the avalanche danger is LOW for below treeline areas, all aspects.

Near and above treeline, MODERATE avalanche danger exists on NE-E-SE slopes.

Use caution on mid to upper elevation NE-E-SE, wind loaded slopes, steeper than 35 degrees. The avalanche danger will increase as more snow is added to the snowpack from the current storm and wind loading.

 

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March 23, 2014 at 6:18 am

The avalanche danger is LOW for all elevations and aspects. Normal caution is advised.

Carry an avalanche beacon, shovel, and probe and know how to use them when traveling in the winter backcountry.

Snow conditions on Mt Shasta are smooth and firm in the AM hours. This poses risk for a long slide for life should one slip and fall. Ice axe, crampons and self-arrest skills are required for a safe climb...and ALWAYS wear a helmet!

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March 22, 2014 at 6:33 am

The avalanche danger is LOW for all elevations and aspects. Normal caution is advised.

Carry an avalanche beacon, shovel, and probe and know how to use them when traveling in the winter backcountry.

Snow conditions on Mt Shasta are smooth and firm in the AM hours. This poses risk for a long slide for life should one slip and fall. Ice axe, crampons and self-arrest skills are required for a safe climb...and ALWAYS wear a helmet!

Click here to see the full advisory for
March 21, 2014 at 7:06 am

The avalanche danger is LOW for all elevations and aspects. Normal caution is advised.

ALWAYS carry a beacon, shovel, probe and know how to use them...and wear a helmet!

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March 16, 2014 at 6:39 am

The avalanche danger is LOW for all elevations and aspects. Normal caution is advised.

ALWAYS carry a beacon, shovel, probe and know how to use them...and wear a helmet!

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March 15, 2014 at 6:07 am

Today, the avalanche danger is LOW for all elevations and aspects. Normal caution is advised.

LOW avalanche danger means that natural and human triggered avalanches are unlikely, but not impossible.

ALWAYS carry a beacon, shovel, probe and know how to use them...and wear a helmet!

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March 14, 2014 at 7:12 am

Below and near treeline areas on Mt Shasta, all aspects, the avalanche danger is LOW.

Above treeline, isolated areas may host small to medium size wind slabs with MODERATE avalanche danger on NE-E-SE-S-SW-W aspects.

Moderate avalanche danger means that natural avalanches are unlikely; human triggered avalanches are possible.

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March 9, 2014 at 6:28 am

The avalanche danger is MODERATE for above treeline areas. Wind and storm slab avalanche danger will increase through the day on all aspects, above the rain/snow level. Near and below treeline areas will host LOW avalanche danger and likely receive rain on snow.

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March 8, 2014 at 6:58 am

Today, overall MODERATE avalanche danger will form on sun affected slopes, E-SE-S-SW-W aspects, 35 degrees and steeper. Above freezing temperatures last night and warm daytime highs today will cater towards loose wet avalanches on said aspects. Loose wet avalanche instabilities will increase as the day warms.

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March 7, 2014 at 7:06 am

A thick crust due to rain on snow has created LOW avalanche danger for below and near treeline areas. Above treeline, for elevations > 9,000 feet, MODERATE avalanche danger exists for wind slab avalanches near ridgetops and bowls.

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March 7, 2014 at 7:05 am

A thick crust due to rain on snow has created LOW avalanche danger for below and near treeline areas. Above treeline, for areas above 9,000 feet, MODERATE avalanche danger exists for wind slab avalanches near ridgetops and bowls.

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March 2, 2014 at 8:03 am

The avalanche danger is Considerable on upper elevations and Moderate on mid elevations and Low on low elevations today. Our upper elevations likely have significant  wind slabs and cornices. The mid-elevation slopes will remain moderate due to some signs of instability within the snow from this week, wind slabs are also possible on some mid-elevation slopes in more exposed areas.

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March 2, 2014 at 7:39 am

The avalanche danger is Considerable on upper elevations and Moderate on mid elevations and Low on low elevations today. Our upper elevations could have significant wind slabs today.. The mid-elevation slopes will remain moderate due to some signs of instability within the snow from this week, wind slabs are also possible on some mid-elevation slopes in more exposed areas.

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March 1, 2014 at 7:47 am

The avalanche danger is Considerable on upper elevations and Moderate on mid elevations and Low on low elevations today. Our upper elevations could have significant wind slabs today due to slightly stronger than expected winds yesterday mid-morning from the East. The mid-elevation slopes will remain moderate due to some signs of instability within the snow from this week, wind slabs are also possible on some mid-elevation slopes in more exposed areas.

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March 1, 2014 at 7:45 am

The avalanche danger is Considerable on upper elevations and Moderate on mid elevations and Low on low elevations today. Our upper elevations could have significant wind slabs today due to slightly stronger than expected winds yesterday mid-morning from the East. The mid-elevation slopes will remain moderate due to some signs of instability within the snow from this week, wind slabs are also possible on some mid-elevation slopes in more exposed areas.

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