Last week, while we were still tucked in our beds, sweetly welcoming the winter and all the laziness it brings along, people in Sydney and other parts of New South Wales in Australia were witnessing Mother Nature's shenanigans. This time, it was what they called a 'cloud tsunami'.

Technically, this is called shelf cloud, but tsunami has a better ring to it.

Check it out.

Richard Hirst

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Parker Mason

Rohan Kelly

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And there's a GIF too

Will Reid

But because it's Australia, nobody seems to be freaking out over it. Damn those Aussies, they're too used to any kind of threat nature poses.

h/t Boredpanda