** IMPORTANT ANNOUNCEMENT **

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 March 25 & 26

THIS Avalanche Advisory EXPIRED ON Mar 26, 2020 at 8:33 pm
Avalanche Advisory published on Mar 24, 2020 at 8:33 pm
Issued by Gabe Coler
Bottom Line
Today shallow Wind Slabs were forming on east slopes at treeline and in the alpine. As we receive a few more inches of snow overnight these slabs will grow.
Avalanche Character 1: Wind Slab
As we continue to receive new snow our Wind Slab problem will continue to grow. Over the next two days wind slabs are most likely to exist on northeast through southeast slopes at and above treeline. As always looks for Wind Slabs below ridge lines and also be wary of cross-loaded terrain. Specific slopes could produce avalanches large enough to bury or injure a skier.
Snowpack Discussion
As of this evening our region has received up to 10 cm of new snow. This new snow is falling on a variety of old snow surfaces depending predominantly on aspect. Most sunny slopes previously had a melt-freeze crust. We haven't been finding any persistent weak layers and avalanche concerns are likely limited to the new snow.
Recent Observations
Over the warm sunny weekend I heard reports of small loose wet avalanches. That problem is now a distant memory with the return of winter weather.
Mountain Weather
We'll see continued cool temperatures during the next two days. Snowfall will continue overnight tonight and we may see a few new inches by midday tomorrow. Temperatures Wednesday will be similar to today (well below freezing). Thursday will be mostly sunny and the temperature will climb to near or just above freezing. The wind will be mostly from the west tomorrow and the northwest on Thursday.
Disclaimer

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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