As of March 30th, COAC has suspended backcountry avalanche advisories and pro observations until further notice.

On March 23rd, Governor Brown of Oregon issued Stay at Home orders for the public regarding the COVID-19 outbreak. The directives are clear in that “to the maximum extent possible, individuals stay at home or in their place of residence.” On March 27th the Deschutes National Forest issued a closure of all developed recreation sites including trailheads and snoparks. COAC is committed to supporting our community, local emergency services, and agency partners and because of this we felt it important to cease operations as we all work together to minimize the impacts and spread of COVID-19.   

This decision was not taken lightly. Aside from the need to maintain congruency with the Governors' orders, there are inherent risks with backcountry activities in alpine environments and it’s important to consider unnecessary exposure to COAC forecasters, first responders, and local medical staff in light of the current situation.

We look forward to getting back into the mountains and providing you all with the tools to recreate safely in the backcountry. Until then we thank you for your continued support and wish all our mountain community the best of health and wellness.

Snowpack Summary for 4/17/2018

THIS Avalanche Advisory EXPIRED ON Apr 19, 2018 at 8:10 pm
Avalanche Advisory published on Apr 17, 2018 at 8:10 pm
Issued by Gabe Coler
Bottom Line
Twenty five centimeters (just under a foot) of new snow since last Sunday combined with Moderate wind speeds from the West and South-West have resulted in Wind Slab avalanches. With showery weather and a bit more snow forecast for tomorrow expect this problem to continue into Thursday.
Avalanche Character 1: Wind Slab
We've had moderate snowfall totaling 25 cm. since last Sunday and wind speeds up to Moderate from the West and South-West. This has built Wind Slabs below ridge tops and on lee features in the usual spots. With more snow forecast for tomorrow I am expecting this pattern to continue.
Snowpack Discussion
Up to 25 cm. of new storm snow sits above a melt-freeze crust from last Saturday. Beneath that are several crusts and the old storm snow from early April which is composed of disintegrating fragments and rounded grains. We haven't found any persistent weak layers in our snow pack. It is notable that there is still wet snow down 60 cm. from the April 6th rain event. While this snow is relatively weak (4 finger hardness), I haven't heard of any avalanches on this layer.
Recent Observations
There have been several reports of skier triggered wind slabs (all D1).
Mountain Weather
It looks like we will pick up a bit more snow tomorrow afternoon and into the evening. Daytime high temperatures will begin to slowly inch upward each day. Thursday may see some clearing which is the beginning of the high pressure that is forecast for the end of the week,

This snowpack summary applies only to backcountry areas. Click here for a map of the area. This snowpack summary describes general avalanche conditions and local variations always occur. This snowpack summary expires in 48 hours unless otherwise noted.

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