20 years ago, there was an Arctic plunge that brought early snowfalls and severe frosts for the time of the year
Forecasts from 15th to 17th October 1993
I remember the Sunday morning of this period being very frosty, -4.3C at Manchester Airport and 4 consecutive air frosts. It was also brilliantly sunny as well.
MANCHESTER SUMMER INDEX for 2021: 238
Timelapses, old weather forecasts and natural phenomena videos can be seen on this site
http://www.youtube.com/channel/UCgrSD1BwFz2feWDTydhpEhQ/playlists