“It’s not synthetic”… The reason Chuncheon citizens looked at the sky blankly

A cloud with a huge circular void was안전놀이터 captured in Chuncheon, Gangwon-do, making it a hot topic.

According to the Gangwon Meteorological Administration on the 13th, a cloud formation that looked like a hole in the sky was formed over the Chuncheon area around 11 a.m. the previous day.

This phenomenon is called the ‘fallstreak’ phenomenon. The falls streak phenomenon, also called a ‘ punch hole cloud ‘ , occurs when ice flakes form between thin cloud layers, unable to withstand their weight, and absorb surrounding water vapor as they descend . Photos of this phenomenon were posted one after another on

various online communities and social networking services ( SNS ), garnering attention. Netizens responded with amazement, such as “It’s the real-time Chuncheon sky, but it’s not a composite,” and “An acquaintance sent me a photo of the amazing clouds.”

This is not the first time the falls streak phenomenon has occurred. This phenomenon also occurred in Yeongcheon, Gyeongsangbuk-do in November 2020. The photo taken at that time was selected for the Korea Meteorological Administration weather and climate photo contest.

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