Inversion and Windslab
9th January 2018
A day of poor visibility high in the corries and on the tops. Inversion conditions have “squeezed” the clouds and increased the wind speed over the Cairngorms. A lot of drifting overnight and during the day has developed areas of hard windslab on Northerly aspects, this overlies a weak layer in many places, presenting unstable snowpack conditions, especially in steep areas.
Snowpack conditions today on a North aspect at 1100 m, 2 fails on weak layers of sugar like facetted grains. this is overlain by firmÂ windslab.
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