Very cold, but not for much longer.
13th February 2021
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It was another very cold and very windy day. Having expected a slight rise in the temperature this morning and was surprised to see that the summit temperatures were actually lower than the those last week. The midday day summit temperature was -11.0°C, the coldest value in the data set I have which goes back until the winter of 2007/08. However, the temperature did start to jump erratically upward during the afternoon.
It was also even windier than yesterday with regular gusts of 70mph at Tower 17. I decided to explore a different part of our patch, and headed up into the Grey Corries. On the north flank of Stob Coire na Gaibhre a plantation extends up to 630 metres. I headed up that direction using the fence as a handrail (at times literally as well as metaphorically) and sometimes heading into the trees for some shelter.
A screen shot of the temperature and humidity output of the holfuy station the top of the quad chair at around 900m (https://holfuy.com/en/weather/195). It was not working earlier in the winter, but has recently been fixed, and is a useful source of weather information. It is apparent that something changed around 8.30am this morning with temperature and humidity going from being very stable to very variable. Interestingly there was not concurrent change in wind speed or direction at this time The temperature rose very quickly in the early afternoon going from an unusually cold -9°C at 12.45 to -1°C at 14.30.
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