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.

Avalanche Advisory for 4/30/2019

THIS Avalanche Advisory EXPIRED ON May 2, 2019 at 7:27 pm
Avalanche Advisory published on Apr 30, 2019 at 7:27 pm
Issued by Aaron Hartz
Bottom Line
This is the final regularly scheduled advisory of the season. Also this last day of April marks the end of our pro observer operations for the spring. On behalf of everyone at COAC, thank you for reading the advisories and supporting us for another year. The number of public observation posts was outstanding this year and it was great to see the community get involved and use this as a resource. Happy spring shredding and we will be back next year kicking of the 2019/20 season in December! The Real Bottom Line: Spring is here, and with it nice sunny days and smooth corn turns. Our avalanche danger will be associated with warming and sun exposure. Just like we use timing to get the best corn snow on these spring days, we can also use timing to avoid most of the avalanche danger. As you begin to see natural roller balls, and increasing boot pen, that is your cue to move to other aspects.
Avalanche Character 1: Loose Wet
Loose wet avalanches will most likely be small and limited to sun exposed slopes. Remember, these can still have big consequences in steep and committing terrain.
Avalanche Character 2: Cornice
Many cornices have already broken and tumbled down the slopes but there are plenty still hanging on. Avoid walking out on cornices at ridge tops and limit your exposure to overhead cornices when riding or traversing slopes.
Snowpack Discussion
There are no real weak layers associated with our snowpack. Any weakness will most likely be associated with surface warming.
Recent Observations
Loose wet avalanches have been spotted and reported throughout the region on solar aspects and all elevations. Numerous cornice breaks have been spotted. Gabe reported a large slab on a NW aspect on Mt. Jeffereson (~7000ft).
Mountain Weather
Expect cold nights and sunny, warm days.....perfect for the corn cycle :) Winds are expected to be light with some moderate gusts.

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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