The clouds that dance in the sky before the storm always give us a feeling of fear. Look at those 'obnoxious' clouds.

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Dark clouds swirled around, while dust and rain were swept by the wind toward the center of the cloud. (Photo: Sean.R.heavey)

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The cloud signaled a huge storm about to take place in northeastern Nebraska, USA in 2004. (Photo: Mike HollingShead)

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Another cloud appeared before the storm in Murdo, South Dakota, USA in 2005. (Photo by Mike HollingShead)

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This terrible cloud is moving southeast of Fargo, North Dakota, in 2006. (Photo: Mike HollingShead)

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The cloud signaled a major storm in southern Kansas, 2004. ( Photo by Jim Reed)

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The disk-shaped cloud on a field is as big as a baseball field. (Photo by Jim Reed)

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A rotating cloud is dancing on a meadow to the west of Rooks County, near Palco, Kansas, USA, in 2008. (Photo: AP)

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Huge lightning strikes appear near a storm in Grand Nebraska Island, USA, in 2005. (Photo by Mike HollingShead)

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Hurricane photographer Brad Mack is taking lightning shots in a storm near the city of Apache, Oklahoma, USA in 2012. (Photo: Reuters)