This is probably the one I tried to follow in my car! It was a microlight and was flying at the cloudbase, in a spectacular electrical storm, roughly from Bosworth, Leics (the old battlefield) in a North Easterly direction. I thought I was going to see a precautionary landing - but it just disappeared into the crud!
I'd like to buy the pilot a beer! Who was it? The view of the storm must have been first rate!