It’s been quite a cold start to the month of May 2019 and their is a decent snow cover down to 2500 feet on Ben Wyvis in recent days. That’s not so surprising as the 1000-500 hPa partial thickness has been sub 528 Dm for the last week at Lerwick. I think this probably makes it one of the longest such cold spells in the entire winter-spring period of 2018-19. It’s been a long time since I saw snow falling in either October or May but it happened in a year with a comparatively mild winter. Another useful guide to...
I would have thought that with today’s 1200 UTC anomalies of 5°C below the LTA for many places across the UK, that would have merited the term ‘cold’ rather than just ‘cool’ but what do I know? Although there is a tongue of warmer air across central southern England, temperatures across parts of northern Scotland are more than 7°C below the LTA this lunchtime, combined with the rain and the easterly wind that’s definitely cold in my book.
According to the BBC lunchtime forecast on Saturday, the weather through this May bank holiday is “looking a little bit mixed”. I would have thought the emphasis in any forecast today should have been on just how cold it was for the time of year, with 1200 UTC anomalies on Saturday widely between 2 and 4°C below average and as much as 9.5°C (Scampton, Lincolnshire) below the LTA in any any showers in eastern areas.