WATCH: How a tornado is formed and signs that one is brewing

A tornado was spotted between Standerton and Amersfoort yesterday and caused extensive damage in the Vaal Marina area.

A photo that was sent in by Mr Attie Cloete of the tornado that was spotted yesterday.

Residents spotted a tornado between Standerton and Amersfoort yesterday, 11 December 2017, Standerton Advertiser reports.

A photo that was sent in by Mr Attie Cloete of the tornado that was spotted yesterday.

Another tornado in the Vaal Marina area caused extensive property damage.

But how are tornadoes formed, and what signs should you be looking out for?

Here is a short video to explain a bit more:

At least 50 people injured as Tornado hits Vaal Marina

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