Just Another Inversion Day
20th December 2021
Another lovely day in the Lochaber hills today. The cloud layer was about 650 meters, everything above that level enjoyed a day of unbroken sunshine and light winds. It was very pleasant feeling! Despite the warm air, the snowpack remains hard, icy and frozen. Yesterday the top 22cm of the snowpack was frozen, the the snow surface temperature was -2.8 degrees C. Today in the same location the top 33cm of the snowpack was frozen, the the snow surface temperature was -5.6 degrees C. There had noticeably been more of a frost at mid height (600-800 metres altitude).
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