could be induced to believe, that there were seas on the skies over Vordingborg on Sunday morning.

shortly before sunrise, you could on top of the cloud cover to see it, that looked like havbølger.

the Phenomenon is called Kelvin Helmholtz waves, and according to DMI, quite rare.

– We hear about it a few times a year, but I will assess that it is a fairly rare phenomenon, said duty meteorologist at DMI Steen Rasmussen.

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The almost cartoon-like waves could be seen in the sky on Sunday morning to the east of Vordingborg. Photo: Per Rasmussen

the Pictures were taken of the Extra the Magazine’s photographer, between the hours of seven and half past nine Sunday morning to the east of Vordingborg.

It is the instability of the winds, who make the waves.

– Bølgedannelserne occurs when there is a big difference in the wind speed above and below a frontflade, says Steen Rasmussen.

The volatile situation in the making, to the photogenic eddies in the air arise.

– It is not something you experience every day, but nice is it, says Steen Rasmussen.

the Waves, in itself, often occurs in the atmosphere, but they are only visible when there is moisture enough that the clouds are being formed.

Just at dawn formed the clouds, the waves in the sky at Vordingborg. Photo: Per Rasmussen