An Iowa man captured video this week of a large dust devil that whipped up in the middle of Gowrie.

KCCI Chief Meteorologist Jason Sydejko called the dust devil "incredibly defined," as it spun for several seconds outside the town's municipal building. Austin Davis shared the video, taken Tuesday afternoon, with KCCI.

Unlike true tornadoes, which come from rotating thunderstorms, dust devils often form during sunny, calm weather.

Typical diameters of dust devils range from 10 to 300 feet, with an average height of approximately 500 to 1,000 feet, according to the National Weather Service. Most don't cause damage, but larger dust devils can reach 60 mph or greater, the service says, which can be destructive.

They don't usually last more than a few minutes.

How do dust devils form?

The

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