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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
Click here to see the full advisory for
April 3, 2015 at 6:56 am

The avalanche danger will continue to be LOW for all elevations and aspects.  The possibility for loose wet snow instabilities, roller balls, and pin wheels on steeper S-SE-E aspects is low due to cool temperatures.  Firm and smooth snow conditions exist and present "slide for life" potential if one were to fall and are unable to self-arrest.  Normal caution is advised.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 29, 2015 at 6:41 am

The avalanche danger will continue to be LOW for all elevations and aspects.  The possibility for loose wet snow instabilities, roller balls, and pin wheels on steeper S-SE-E aspects remains today.  Slides large enough to bury a person are unlikely, however, they can knock one off their feet and push them into undesirable terrain.  Normal caution is advised.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 28, 2015 at 7:00 am

The avalanche danger is currently LOW for all elevations and aspects.  Loose wet snow instabilities, roller balls, and pin wheels are possible on S-SE-E aspects, especially in the afternoon.  Slides large enough to bury a person are unlikely, however, they can knock one off their feet and push them into undesirable terrain.  Normal caution is advised.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 27, 2015 at 7:01 am

The avalanche danger is currently LOW for all elevations and aspects.  Loose wet snow instabilities, roller balls, and pin wheels are possible on S-SE-E aspects, especially in the afternoon.  Slides large enough to bury a person are unlikely, however, they can knock one off their feet and push them into undesirable terrain.  Normal caution is advised.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 23, 2015 at 15:41 pm

The avalanche danger is currently LOW for most elevations and aspects... however pockets of MODERATE avalanche danger will exist at near and above treeline due to wind loaded S-SE-E-NE-N aspects 35 degrees and steeper.  The potential exists for small human triggered wind slabs on these aspects.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 22, 2015 at 7:12 am

The avalanche danger is currently LOW for all elevations and aspects, but may increase later today as new snow accumulates.  MODERATE avalanche danger could develop at near and above treeline by Monday morning with the forecasted new snow and winds. 

Normal caution advised.

Climbers should be heads up for ice fall and "slide for life" conditions.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 21, 2015 at 6:10 am

The avalanche danger is LOW for all elevations and aspects.

Normal caution advised.

Climbers should be heads up for ice fall and "slide for life" conditions.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 20, 2015 at 6:10 am

The avalanche danger is LOW for all elevations and aspects.

Normal caution advised.

Climbers should be heads up for ice fall and "slide for life" conditions.

Carry a beacon shovel and probe. Wear a helmet. Know how to use your ice axe and crampons.

 

 

 

 

 

 

 

Click here to see the full advisory for
March 15, 2015 at 6:41 am

The avalanche danger is LOW for all elevations and aspects.

Normal caution advised.

Climbers should be heads up for ice fall, "slide for life" conditions and strong southwesterly winds today, near and above treeline.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
March 14, 2015 at 6:40 am

The avalanche danger is LOW for all elevations and aspects.

Normal caution advised.

Climbers should be heads up for ice fall, "slide for life" conditions and very strong southwesterly winds this weekend, near and above treeline.

 

 

 

 

 

 

 

 

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March 13, 2015 at 7:00 am

The avalanche danger is LOW for all elevations and aspects.

Some shallow, small, isolated wind deposits or loose wet instabilities might exist on some extreme terrain features and slopes steeper than 35 degrees. They will likely not entrain enough snow to be of concern. Use normal caution.

Climbers should be heads up for ice fall, "slide for life" conditions and very high winds (southwest) this weekend.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
March 8, 2015 at 6:39 am

The avalanche danger is LOW for most elevations and aspects.
Areas of MODERATE danger will exist for human triggered avalanches in the form of small, loose wet snow instabilities on low to mid elevation, steep, sun exposed S-SE aspects during the warmest parts of the day.  

Remember, LOW avalanche danger means that unstable snow can still exist on isolated features in steep terrain.  
Climbers should be heads up for ice fall, and "slide for life" conditions.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
March 7, 2015 at 6:56 am

Avalanche danger will be LOW for all elevations and aspects. LOW avalanche danger means that unstable snow can still exist on isolated features in steep terrain.  Even though human triggered avalanches are unlikely, they are still possible.  Watch for small loose wet snow instabilities, roller balls, and pin wheels on steep sun exposed S-SE aspects during the warmest parts of the day.  Climbers should be aware of ice fall, and "slide for life" conditions.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
March 6, 2015 at 6:59 am

Avalanche danger will be LOW for all elevations and aspects. LOW avalanche danger means that unstable snow can still exist on isolated features in steep terrain.  Even though human triggered avalanches are unlikely, they are still possible.  Watch for small loose wet snow instabilities, roller balls, and pin wheels on steep sun exposed S-SE aspects during the warmest parts of the day.  Climbers should be aware of ice fall, and "slide for life" conditions.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
March 1, 2015 at 7:04 am

Above treeline, there is MODERATE danger for human triggered wind slab avalanches, small to medium in size, in wind exposed terrain that is NE-E-SE-S-SW facing. Be able to identify newly formed wind slabs to make safe travel decisions in avalanche terrain.

Near treeline, the danger is LOW with pockets of MODERATE for triggering small wind slabs, all aspects.

The avalanche danger is LOW for below treeline areas and all aspects.

 

 

 

 

 

 

 

 

 

Click here to see the full advisory for
February 28, 2015 at 7:01 am

Above treeline, there is MODERATE danger for triggering shallow wind slab avalanches, small to medium in size, on upper elevation slopes in steep, wind exposed terrain that is NE-E-SE-S-SW facing.

The avalanche danger is LOW for below treeline areas and all aspects.

Near treeline, the danger is LOW with pockets of MODERATE.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
February 27, 2015 at 6:53 am

Above treeline, there is MODERATE danger for triggering shallow wind slab avalanches, small to medium in size. Due to steady northwest winds (20-30 mph gusting 50-60 mph over the last 24 hours) with 2.5 inches of new snow overnight, wind loading is expected mostly on upper elevation, steep, wind exposed terrain that is NE-E-SE-S-SW facing.

The avalanche danger is LOW for below treeline areas and all aspects.

Near treeline, the danger is LOW with pockets of MODERATE.

 

 

 

 

 

 

 

 

Click here to see the full advisory for
February 22, 2015 at 6:41 am

The avalanche danger is LOW for all elevations and aspects. 

Normal caution advised.

Smooth and firm conditions exists on the upper mountain allowing for slide-for-life potential should one slip and fall. Self arrest skills mandatory. DO NOT attempt to glissade in these conditions.

Ice fall is a concern as it breaks off exposed rocks above. Wear a helmet. Ice chuncks can be just as hard as rocks!

 

 

 

 

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February 21, 2015 at 7:08 am

The avalanche danger is LOW for all elevations and aspects. 

Normal caution advised.

Smooth and firm conditions exists on the upper mountain allowing for slide-for-life potential should one slip and fall. Self arrest skills mandatory.

Ice fall is a concern as the day warms and ice breaks off exposed rocks above. Wear a helmet. Ice chuncks can be just as hard as rocks.

 

 

 

 

Click here to see the full advisory for
February 20, 2015 at 6:49 am

The avalanche danger is LOW for all elevations and aspects. 

Normal caution advised.

Smooth and firm conditions exists on the upper mountain allowing for slide-for-life potential should one slip and fall. Self arrest skills mandatory.

Ice fall is a concern as the day warms and ice breaks off exposed rocks above. Wear a helmet. Ice chuncks can be just as hard as rocks.

 

 

 

 

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