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The wind picked up mown grain in Wielkopolska. Dust devil, dust vortex – how this phenomenon is created

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A dust devil appeared on the national road number 92 in Wielkopolska. Artur Chrzanowski, weather forecaster of tvnmeteo.pl, explained that such spectacular phenomena arise in conditions of strong heating of the ground. We received the recording on Kontakt 24.

At Kontakt 24 we received a recording of a phenomenon that appeared on Sunday morning at the national road number 92 in Wielkopolska on the route Pniewy – Poznań. In the video you can see how the wind swirls in the field, taking with it the mowed grain.

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“It came on suddenly and lasted a short time”

Mr. Grzegorz, the author of the recording, said that he had seen such a view for the first time.

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– I was driving this road around 8.30 and managed to register something like this. It was sunny, a light breeze was blowing. This phenomenon appeared suddenly and lasted a short time.

Dust vortex, dust devil. What is this phenomenon?

As explained by tvnmeteo.pl weather forecaster Artur Chrzanowski, it is a dust vortex, also called the devil or dust devil. It is formed in conditions of strong heating of the substrate – as a result of convection, the vortex lifts the smallest, most easily heated particles from the substrate upwards. It is a spectacular, though usually short-lived, phenomenon of the warm season. As the forecaster added, it should not be confused with a whirlwind or tornado, even though it looks like a miniature of these dangerous phenomena.

Main photo source: Grzegorz/ Contact 24



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