Wind Transportation

7th February 2021

Covid -19
The Scottish Avalanche Information Service issues information to support permitted activity under current Scottish Government guidance.
Please be aware of current mandatory travel restrictions in Local Authority areas within Scotland and respect local communities by referring to Scottish Government guidance and safe route choices for exercise. For further guidance please refer to the following information for hillwalkers and climbers and snowsports on ski and board.
This blog is intended to provide hazard and mountain condition information to help plan safer mountain trips.
Snowfall continued for the duration of the day once again. Wind transport of the snow continues with some deeper drifts on wind sheltered (lee) slopes of a South-West to North-West aspect above 500 metres. North aspects have firm windslab which has consolidated slightly, but still sport some isolated accumulations due to cross loading.
Weaknesses persist in the existing snowpack and are being overloaded as more windslab develops. As such, a delicate avalanche situation continues to prevail above 700 metres where windslab is much more widespread.
Above 500 metres the avalanche hazard is ‘Considerable’. The full report for the Northern Cairngorms is here at https://www.sais.gov.uk/northern-cairngorms/

Snow transport is continual at the moment, with plenty of deposition in wind sheltered (lee) locations. This is Ciste Gully at 600 metres.

 

A fleeting glimpse of the snow fences and tows at higher altitudes here on Sron an Aonaich.

 

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