30th January 2022
Storm Corrie will push east through Scotland this evening and overnight, bringing gale force winds and much needed snow. After a drier morning snow flurries will continue in the afternoon as we maintain a cold Westerly to North-Westerly flow.
Today was fairly monochrome, with poor visibility above around 850 metres for most of the day. During the frequent snow showers the sky was a heavily laden battle ship type of grey, vaguely reminiscent of an Arctic depression. Snow amounts remained small even at midday, with just a dusting to around 600 metres. The bulk of the precipitation was starting to arrive as I left the coire, but I was still able to observe some isolated accumulations of windslab in wind sheltered locations.
This windslab contained instabilities where it had achieved greater depths of +15cm either over the exiting hard snow or bare ground. These will continue to build as the storm tracks through and will be mainly confined to North, North-East, East and South-East aspects above 850 metres. A welcome return to winter. The avalanche hazard will be moderate.
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