[MCR] Athabasca AA Col / Icefields

Subject: [MCR] Athabasca AA Col / Icefields
Date: Mon, 6 Oct 2008 20:11:53 -0400 (EDT)
I just spent the past couple of days guiding in the Columbia Icefields.

Sunday -- Athabasca via AA Col - about 10 cm new snow with strong SW winds throughout the day. This brings the total storm snow to 12-15 cm since Friday. Good travel. The schrund is easily crossed but still thinly bridged, and we belayed over it going up and down (good ice screws with a little digging). Storm snow was bonding well to the old surface -- the moist snow Jordy described in his last post is now a frozen/facetted breakable temperature crust under the storm snow that made for good steps approaching the col and good, secure plunge stepping descending. Windloading and some cracking in the storm snow at ridgetops. Lots of sluffing could be heard throughout the day from Andromeda's gullies. +5 C at the trailhead at 5:45am, freezing level at about 2800m, cooling off towards evening. Strong downflow winds noted as we descended.

Monday -- Wilcox Pk - Cold, clear night, -2C at the campground at 5am and a dusting of new snow to valley bottom. This made for slippery hiking this morning. Things melted fairly quickly when the sun finally came out mid-morning and by the early afternoon the rock was mostly dry. Still moderate to strong SW winds as well as some sluffing off of Snowdome and Andromeda's N faces. Cold with a mix of sun and cloud throughout the day. 3C at the campground at 2pm but felt warm in sheltered areas in the sun.

Regards,
Tom Wolfe
ACMG AAG/ASG
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