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size 3 natural

Barry Blanchard, Saturday 8th February, 2025 10:38PM

Mountain Conditions Report

<p>My AST 2 class observed a size 3 avalanche off of the 2640m western sub peak of Mount Chester today, Sunday. The windslab looked to be triggered by a cornice collapse in the last 24 hours. The crown ran from approximately 2120 metres on the peak's NNW ridge wrapping around into the peak's northern flank and gulley and propagating across 800 metres to a high point of 2320 metres. In places the crown looked to be 2 metres and the debris ran full path.</p> <p>We had several moderate to hard sudden planar shears on the Jan 6 and Dec 15 layers down 700 to 100 cms on a 33 degree northern slope at about 2200 metres. On the same slope we had a rustchblock 3 sudden planar failure on the Dec 15th that swept the loader, me, off of the block.</p> <p>Our tests and observations convinced us of the high danger at and above tree line today and we stayed out of avalanche terrain.</p> <p>My -28 C morning warmed to -4 on high and that was a pleasant change. Thank you Mr Inversion</p> <p>Happy trails,</p> <p>Barry Blanchard<br /> Mountain Guide<br /> Yamnuska Mountain Adventures<br /><a href="http://www.yamnuska.com">www.yamnuska.com</a></p>

Location: 50.81122757 -115.27841242