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Fallstreak Hole Cloud Formation Brightens Up The Australian Skies

03/11/2014 12:57 GMT | Updated 03/11/2014 12:59 GMT

Looking not unlike a giant fist had punched its way through the sky, this unusual cloud formation was a captivating sight to behold above the Australian town of Korumburra.

It's known as a fallstreak hole and occurs when the water temperature in the clouds is below freezing but the water does not immediately freeze due to a lack of ice nucleation particles.

When the ice crystals do form, they cause the water droplets around the crystals to evaporate, leaving a large “hole” in the cloud and the appearance of a rainbow.

The phenomena are also known as “hole-punch clouds”, the Cloud Appreciation Society writes.

Scientists have established a link to the clouds with aircraft movements.

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