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Friday, February 15, 2008

[MCR] Purcells, International Basin, Feb 11-14

Report for Feb 11-14 in the International Basin hut (Mark Kingsbury Hut) at
the headwaters of Bobbie Burns creek, Purcells.

Flying in on Feb 11th Monday observed evidence of natural avalanche cycle
likely occuring on Sunday Feb 10th running on Jan 26 interface.

Feb 11th Monday, test profile at 2250m, South aspect above the hut revealed
200cm snowpack with compression test moderate sudden planar on Jan 26
interface 43cm down.

Stormed Feb 11th to 12th bringing approximately 30cm of snow and strong
Westerly winds switching to Northerly. Isolated natural avalanches size 2
observed on the 13th either initiating under steep rocks or from cornice
failure on a variety of aspects running on the Jan 26 interface.

Temperatures for the 4 days ranged from -8 to -1 degrees Celsius. After the
storm on Feb 11th-12th, Jan 26th interface is approximately 70cm down and
it was snowing as we flew out on 14th. The glacier to the
Battlement-Sandiland col had average 3+m snowpack.


Garth Lemke
Public Safety Warden
ACMG Assistant Ski Guide

Garde de parc, Sécurité publique
Guide de ski auxiliaire, Association des guides de montagne canadiens

Jasper National Park of Canada | Parc national du Canada Jasper
Parks Canada | Parcs Canada
P.O. Box 10, Jasper AB T0E 1E0 | C.P. 10, Jasper (Alberta) T0E 1E0
Garth.Lemke@pc.gc.ca
Telephone | Téléphone 780-852-6158
Facsimile | Télécopieur 780-852-6138
Cellular Phone | Téléphone cellulaire 780-852-8811
Government of Canada | Gouvernement du Canada
www.pc.gc.ca/jasper


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These observations and opinions are those of the person who submitted them. The ACMG and its members take no responsibility for errors, omissions, or lapses in continuity. Conditions differ greatly over time and space due to the variable nature of mountain weather and terrain. Application of this information provides no guarantee of increased safety. Do not use the Mountain Conditions Report as the sole factor in planning trips or making decisions in the field.
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