"No!" - He protested Yes, he had said that she was like lightning, but he meant that she startled him with her randomness and thunder, and not that she pulsated writing a spiderweb into the nights sky; it was that she filled him with a certain nervousness... and no, that nervousness was not like an electricity.
And while the argument continued it was brought up that he had also compared her to a storm. It wasn't because she climbed with a certain inexorable quality like the tides or that she was the perfect mix of calm pretense and wuthering looks.
It was more because she reminded him of the rains lightly dancing on his bedroom window making him dream.