Once again this is a great capture. I love the big cloud with the sun's warmth reflecting off of it :) Good thing you stayed at least to take this shot..I also really like the silhouette trees. Nice work!
Steve - If you can still see the sunlight on the cloud's vertical wall, you can do both take the photo and head for safe cover. The softness of the cloud and the pastel colors make a pleasant scene. Perhaps those much closer to it might have a different reaction! Thad