There are some things that are out of our control, and a thunderstorm is one of them. Try not to fear the things that you have no control over. It takes time, but I use to be afraid of storms, but not anymore. I kind of like them like Siobhan does. They are really cool when going on, though I sleep through the ones at night. Nothing wakes me up. lol...
Know that this is a part of nature. Learn to love nature. There are so many beautiful things about it. Talking to somebody abuot your fear is good. Gives you more control over it.
But don't be ashamed for being afraid. A lot of people are. But try to learn that the fear doesn't make the storm go away. Learn to relax with it. Like Siobhan said. Meditation is the best.
Hugs, Karen