An amazing natural phenomenon – a “fiery rainbow”, was observed in the north of Thailand.
Rainbow decorated the sky in Doi Sacket district of Chiang Mai province around 16:00 local time. According to eyewitnesses, it was an incredible sight, similar to special effects from a fantastic film.
“Fiery rainbow” is officially called a round-horizontal or okologorizontalnoy arc. This is one of the halo species. For the appearance of a relatively rare optical phenomenon in the atmosphere, certain conditions are necessary: the sun should be above 58 degrees above the horizon, high light clouds must also be observed in the sky, and flat hexagonal ice crystals should be located horizontally in them.