** 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.

Advisory For Feb 12 & 13

THIS Avalanche Advisory EXPIRED ON Feb 13, 2020 at 6:51 pm
Avalanche Advisory published on Feb 11, 2020 at 6:51 pm
Issued by Jonas Tarlen
Bottom Line
It will be tough to find an avalanche problem over the next few days. Possibly a very isolated pocket of windslab in steep, convex terrain... or possibly loose wet surface snow on a steep sunny slope at the warmest time of day.
Avalanche Character 1: Wind Slab
Wind slabs will be very isolated and on the the small side at and above tree line.
Avalanche Character 2: Loose Wet
The potential for loose wet surface slides is low... maybe in steep sunny slopes mid day.
Snowpack Discussion
Our snowpack is strong with pockets light snow on the surface. It is mostly comprised of melt freeze crusts and rounds.

The last snowfall was 6" Saturday with strong west winds. Winds scoured most of the Alpine down to ice, and left some pockets and ribbons of good snow. Most skiers were looking for where the snow deposited for good skiing. Most of the reports show the wind deposited snow bonding to the crust and not causing a widespread windslab problem.

On sunny slopes, and below tree line temps started to melt surface snow and we will see a melt freeze surface crust.

Large surface hoar was spotted Monday in meadows around Mt Bachelor. With warm daytime temps and increasing winds, it is unlikely it sticks around to get buried.
Recent Observations
There has been no recent avalanche activity. Aside from a small, isolated wind slab, there has been no recent instability reported.
Mountain Weather
Wed and Thursday we will see high temps in the upper 30's and lows in the 20's. Winds will be light from west, gradually increasing on Thursday. Thursday night, temps will fall to the teens, winds will increase and we may see a couple inches of snow.
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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