Fan-shaped sunbeams draw attention in the sky of Saigon

On the afternoon of April 9, sunshine-shaped sunbeams appeared in the sky of Saigon, many passersby took this moment and shared on social networks.

On the afternoon of April 9, sunshine-shaped sunbeams appeared in the sky of Saigon, many passersby took this moment and shared on social networks.

Picture 1 of Fan-shaped sunbeams draw attention in the sky of Saigon

On the afternoon of April 9, the "fanless" sunny lines appeared suddenly in the sky of Saigon, and stayed for a long time.(Photo: Phuong Ky Bao).

Picture 2 of Fan-shaped sunbeams draw attention in the sky of Saigon

In the golden dimension, the fan-shaped rays of many colors can be observed from many locations of the city.(Photo: Huynh Nga).

Picture 3 of Fan-shaped sunbeams draw attention in the sky of Saigon

From a distance, there are 5 cheap beams of clouds in the sky.The amount of light from these rays is quite large, silhouetted on the water.The darker the night, the less expensive rays of the fans become darker, glare in the sky.(Photo: Nguyen Ba Ngoc).

Picture 4 of Fan-shaped sunbeams draw attention in the sky of Saigon

The sky divides blue - red brilliantly from Nguyen Van Linh avenue.(Photo: ThanhTungPhoto).

Picture 5 of Fan-shaped sunbeams draw attention in the sky of Saigon

Tia fans look at Bui Huu Nghia Bridge, Binh Thanh District. "When taking a photo, feeling Saigon is beautiful and peaceful , " said Hao Thai. After viewing these images, Mr. Le Dinh Quyet, Deputy Head of Meteorological Division of Southern Region Meteorological Station, said that this phenomenon looked quite interesting but nothing strange. This type of medium cloud is called Ac cloud (Altocumulus) , with an average height of 2.5-6 km.With this type of clouds often for good weather, no rain, occasionally appearing sun canopy or moon canopy.(Photo: Hao Thai Channel).

Picture 6 of Fan-shaped sunbeams draw attention in the sky of Saigon

He decided to solve the color of red and yellow clouds because it was the time of sunset, when the sun was nearing the horizon. "Sunset" light wavelengths near red (0.64-0.76 mm or orange, wavelength 0.59-0.65mm). Fan-shaped clouds are due to light refraction, when the sun's position is low, meeting the cloud with a "special" shape , we imagine it is like shining a flashlight on something with a light-shaped object will scatter up creating such "special" images.(Photo: Nhon Vo).

Picture 7 of Fan-shaped sunbeams draw attention in the sky of Saigon

Mr. Quyet concluded that this is only a very special " cloud " structure , but it is not a sign of dangerous weather but the weather is still normal, less likely to be rainy or sunny.(Photo: Jess Ho).

Update 16 December 2018
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