** 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.

Snowpack Summary for 3/9/2018

THIS Avalanche Advisory EXPIRED ON Mar 10, 2018 at 8:37 pm
Avalanche Advisory published on Mar 9, 2018 at 8:37 pm
Issued by Gabe Coler
Bottom Line
Tomorrow's weather forecast is for high temperatures above freezing, the sun poking in and out, and maybe a snow shower. Avalanche conditions will be similar to today. There are currently shallow, isolated pockets of Wind Slab. If we do get some sustained sun breaks, we might also see some loose wet avalanches on steeper south facing slopes.
Avalanche Character 1: Wind Slab
Today Aaron reported finding shallow, isolated pockets of Wind Slab. In the case of Aaron's tour on Tumalo these slabs seemed to be un-reactive/well bonded to the underlying snow pack. While I expect this to be the predominant theme across our terrain, I would still exercise caution and investigate further before skiing lee or cross-loaded terrain.
Snowpack Discussion
Thursday nights storm turned out to be a dud, having deposited less than 3 cm. of new snow! On aspects that receive any sun this new snow overlays a melt-freeze crust (this crust may be absent on North slopes). Beneath that there is meter of increasing density snow ( disintegrating fragments from last weeks powder and then rounded grains from previous storms. There haven't been any observations or evidence of any persistent weak layers in our snow pack.
Recent Observations
There have been no reports of recent avalanche activity.
Mountain Weather
Saturday will bring us a bit of everything. Mountain temperatures will climb into the mid/upper 30's F. There is a chance of snow showers, but also some sun breaks.
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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