Incredibly rare flat rainbow appears over Torbay

By Shannon Brown

Incredibly rare flat rainbow appears over Torbay

A rare flat rainbow was seen in Torbay, much to the amazement of local residents.

The phenomenon, occasionally seen during strong winds and storms, was spotted at the Torbay coastline by locals in Torquay.

Typically, a rainbow is seen during sunny and rainy weather, when light from the sun refracts through the raindrops and disperses as its individual colours - red, orange, yellow, green, blue, indigo, violet.

They appear high in the sky, unlike this flat rainbow, which is seen close to the sea and shoreline.

The Met Office previously explained to DevonLive that a flat rainbow can appear when sea spray is blow up by strong winds and catches the light in the same way.

In August 2020, a flat rainbow appeared in Torbay.

The Met Office told DevonLive at the time: "This looks like spray, being blown up from the sea by the strong gusty winds due to Storm Francis. The same principles as in a usual rainbow are then in play, so the light is being reflected, refracted and dispersed by the water droplets giving the different colours.

"However, because it's water blown up from the sea it's flatter and not curved as when caused by water droplets/rain in the sky."

"It was like a rainbow mist lying flat on the sea, one colour on top of the next."

A similar phenomenon was seen in Bristol in March 2017 and in Paris in 2013 after heavy rainstorms lashed above both cities during the day. But in both those instances the rainbows were still slightly curved.

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