I have received a comment about yesterday's timelapse, 18th March 2019, saying the cloud is spinning from 0.32 to 0.39
When I first saw the timelapse, it did catch my attention the development of the cloud but I'm not an expert on what was going on.
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