Rainbow and Lightning at Same Time The clash of weather was seen above the affluent city of Fort Smith, in the Southern state Arkansas. One onlooker said: "It was awe inspiring. The lightning made a huge rumbling sound and when you looked up there was also this incredible rainbow forming on the horizon." The intracloud lightning, known as an anvil crawler, is the most common form of lightning, with the electrical charge contained within a single cumulonimbus cloud. Sorry, I have no info on who gets credit for the great photos! July 12, 2006

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