Swirly whirly

This caught my attention today before the storm came! 
On the subject of storms, can we arrange for thunder before lightning for future storms please? Who do we send the memo to? 

Received the mark and feedback for my OU course this morning. I got 78% which, for a raw beginner I am very pleased with! The feedback was short but had a couple of useful points in it. It is a good course, I would recommend it... It is called: Digital photography: creating and sharing better images and is run by the Open University.