Thanks very much John for your comments
, much appreciated. I was hoping the first photo would be educational for some because I know there are many on here who don't know the main features of a convective system. That white cu/cb was beautiful to watch and so big, so far the convection here today is a very sorry sight in comparison to the above.
I really enjoyed trying to shoot those distant cells at sunset, always a great time for light isn't it. It would have been so nice to have seen some lightning flickering in there!!. Thanks again John, looks like the storm season has already begun!