If its just a regular rainbow, the people of Isle of Palms in South Carolina aren't interested anymore. They were treated to the rare meteorological spectacle known as a 'fire rainbow' Aug. 17 and nothing will ever be the same. Look at this thing: The local news station explained the phenomenon : According to Meteorologist Justin Lock, a strict set of conditions are required for fire rainbows to appear. First, they only occur in high-level cirrus clouds made up of tiny ice crystals. "To produce…