Colder Conditions Expected

2nd January 2022

Another day of gale force winds in the Northern Cairngorms. Slightly cooler, with summit temperatures estimated to be around -1 degrees Celsius. The very top of Coire an t-Sneachda and Cairn Gorm experienced a slight dusting of sleet and snow, which is perhaps an indication of the colder weather expected overnight and tomorrow.

Snow patches were surprisingly firm today above 950 metres.

Frequent snow showers are expected over night and through the morning tomorrow as an occluded front crosses the area. This is expected to clear giving a cold North-Westerly flow and an easing of the windspeed to more moderate levels.

It looks like a return to winter…

 

View into Coire an t-Sneachda during the normal approach from the car park at Coire Cas.

 

Coire an t-Sneachda looking towards the ‘Goat Track’

 

I should have paid more attention in physics. The Coire an t-Sneachda lochans providing a demonstration as to the ‘triple point’ of water. Water certainly existed in liquid, solid and gaseous states today so I am assuming that the near ground temperature was 0.01 degrees Celsius or 273.16K?

 

A firm and icy snow surface has present in many areas above 950 metres. This has implications for travel on any surface greater than a moderate incline.

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