A bizarre UFO-like cloud spotted in Bali, Indonesia, has gone viral on social media.

Footage captured on October 18 shows the colourful cloud standing out from the rest of the normal formations.

A local named Ni Made Devi Wulandari who spotted the cloud said: "Earlier it was colourful, I just didn't have time to take a photo, so after it went viral on social media, I wasn't surprised because I saw it myself."

Cloud iridescence occurs when small water droplets or ice crystals individually scatter light.

A video showing a unique natural phenomenon in the form of colorful clouds in the sky of Denpasar City, went viral on social media, Monday (18/10/2021).

Residents' testimony

One of the residents of Denpasar City, Ni Made Devi Wulandari (28) admitted that she saw the phenomenon of colorful clouds from her house on Jalan Nangka Utara Denpasar.

He said the colorful clouds were clearly visible at around 14:50 WITA.

"Earlier it was clear (colorful), I just didn't have time to take a photo, so after it went viral on social media, I wasn't surprised because I saw it myself," he said.

Residents' testimony

One of the residents of Denpasar City, Ni Made Devi Wulandari (28) admitted that she saw the phenomenon of colorful clouds from her house on Jalan Nangka Utara Denpasar.