The unusual formation was believed to be a stratocumulus, a large, rounded masses of stratus that form groups, lines or waves. Herald readers snapped pictures and posted them under the Facebook post of this article
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Worthing Seafront. Picture: Katy Spink | Other 3rd Party
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Clouds over the seafront at sunset. Picture: Rachael Davis | Other 3rd Party
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Worthing beach. Picture: Clare Sykes | Other 3rd Party
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Gwen Ferry captured this snap of the clouds
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