Graham Easterling wrote:

At 10:00BST it was warm sunshine - peaked close to 18C around 10:15.
Then Cb developed over the bay at a remarkable rate.

Thunder but no rain (so far) I think it passed over Newlyn. A very
localised affair.


Graham
Penzance

11:10 Torrential rain & thunder from a second cell.
Best turn the PC off.


Graham