Arctic Blast Day2
1st March 2018
Coldest temperatures for 25 years courtesy of the Met Office
Some interesting reading: https://www.metoffice.gov.uk/climate/uk/interesting/february2018-snow
blizzards and whiteout conditions – got to 1060 metres to check out the snowpack structure. Very deep new snow 60-70 cm in places. Good snow but it is pretty spooky as it overlies a weak layer – see clips below. Therefore great care is required with regard to navigation and being completely confident of your position, and not being exposed to avalanche terrain especially.
The clips illustrate the delicate nature of the current snowpack. This is fairly widespread above 1000m on West to North aspects, especially where it starts to gets steep above 20 degrees or so. The situation is developing in terms of sensitivity and extent, as the snow amounts continue to increase the load on the pack and cold temperatures preserve any weaknesses.
Shear failures ‘whoomping sound’ also noted on these aspects.
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