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THE WEIRD CLOUD ATLAS - Science Photo Library

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<strong>Science</strong> <strong>Photo</strong> <strong>Library</strong> - Features<br />

Noctilucent clouds are crystals of ice hanging<br />

around 80 kilometres high in the atmosphere that<br />

catch the light of the sun long after it has set on<br />

the horizon. Once a rare sight, these ‘night clouds’<br />

are on the increase, possibly a result of climate<br />

change.<br />

Supercells – these thunderstorms rotate with immense<br />

energy, causing a strong updraft and severe<br />

weather including tornadoes, hail, heavy rain,<br />

lightning and heavy winds. The huge, dark clouds<br />

produced by supercells look magnificent.

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