Cold and drifting snow
31st January 2021
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Today was a very cold day with drifting snow. The cold temperatures are causing a large temperature gradient in the snowpack, instabilities within windslab remain.
Today we also went to lower altitude to check if weakness that is fairly widespread above 850m in North Cairngorms is present elsewhere – video illustrates that it is at lower altitudes, especially where windslab has been deposited over a thin crust – steep slopes 35 deg or so and convex in shape would be most likely as a potential trigger locations. Â SW – NW aspects. FieldÂ observation on a SW aspects at 750m altitude.
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31st January 2021 5:13 pm
Great video, thanks for taking the time to do it. Would you expect to see that weakness at even lower levels as well, considering how low down the snow goes at the minute? Or is it especially weak at higher altitudes thanks to the greater temperature gradient?
1st February 2021 7:37 am
Thanks for your comment. Currently underlying the windslab mostly above 700m or so around a thin crust- we will see what happens next as situation is dynamic
1st February 2021 11:29 am
Great video, good to see risks graphically illustrated making understanding much easier.