Observation Date: 02/24/2014
Route/Location:
Yurtski- Southern Swan Range, skin track set from Lupine Yurt to Morrell Lookout and beyond along ridgetop
Weather:
6,600 ft Lupine Yurt, no wind 18+ inches from Sunday (2:00 pm)2/23-2/24 (7:00 am)
2/24 snowed additional 4-6 inches storm total +/- 24 inches in 36 hrs, extremely light snow with no wind transport
2/25 and 2/26 high pressure crept in and solar radiation began to warm the surface of the new snow, light breeze cooled the snow and created a zipper crust 1/4 inch thick on east, south aspects
evidence of minor sloughing from rock out croppings and trees dropping roller balls
temps approx in the teens
Wind:
no wind below ridges, ridge top winds very light
New Snow: 12+”
Avalanche Activity:
east aspect, 30 degree slope, elevation approx. 7,600 ft. ECT 20, very low energy,approx 4 ft in the pit we found buried surface hoar most likely leftover from high pressure
snowpack depth approx. 7 ft
Other Comments:
Observer: Mark Waller