Látott már valaki ilyet?
http://www.origo.hu/nagyvilag/20181204- ... iaban.html
MDA
Tripla szivárvány
Tripla szivárvány
Egy mérés nem mérés, két mérés fél mérés; három méréssel már lehet kezdeni valamit...
Re: Tripla szivárvány
Magyarázat a hír forrásánál, a BBC weblapján:
How are the three rainbows formed?
By Matt Taylor, BBC Weather
Double rainbows, which follow the same arc as each other, occur when sunlight is internally reflected as it passes through the raindrops. Effectively another arc of light emerges but the resulting secondary bow is less bold in its colouring and the colours are reversed. You can see this in Gordon's Weather Watcher picture.
So what of the third bow? This is known as a reflection bow. Whilst rare, a reflection rainbow mainly occurs when the sun is lower on the horizon behind you (i.e. late afternoon/evening) and when you are near to a large body of water, such as a river, lake or sea inlet.
Sunlight reflects off the surface of the water and through raindrops, but at a different angle to the direct beam of sunlight.
This secondary beam of sunlight causes the centre of the rainbow arc to be higher in the sky, roughly the same distance above the horizon as the centre of the original rainbow below. This is why, on Gordon's picture, our third bow is at a different angle and crosses over the other rainbows.
How are the three rainbows formed?
By Matt Taylor, BBC Weather
Double rainbows, which follow the same arc as each other, occur when sunlight is internally reflected as it passes through the raindrops. Effectively another arc of light emerges but the resulting secondary bow is less bold in its colouring and the colours are reversed. You can see this in Gordon's Weather Watcher picture.
So what of the third bow? This is known as a reflection bow. Whilst rare, a reflection rainbow mainly occurs when the sun is lower on the horizon behind you (i.e. late afternoon/evening) and when you are near to a large body of water, such as a river, lake or sea inlet.
Sunlight reflects off the surface of the water and through raindrops, but at a different angle to the direct beam of sunlight.
This secondary beam of sunlight causes the centre of the rainbow arc to be higher in the sky, roughly the same distance above the horizon as the centre of the original rainbow below. This is why, on Gordon's picture, our third bow is at a different angle and crosses over the other rainbows.
Re: Tripla szivárvány
Kösz, ezt én is olvastam, de arra lennék kíváncsi, hogy látott-e már valaki ilyet közülünk?
Pl. a Balatonnál.
MDA
Pl. a Balatonnál.
MDA
Egy mérés nem mérés, két mérés fél mérés; három méréssel már lehet kezdeni valamit...
Re: Tripla szivárvány
Kb. 15 éve egy szeptemberi délutánon volt szerencsém egy olyan komplex jelenséget látni közvetlenül eső után, ahol nyolc nem egy körön lévő ívet számoltunk össze.
Sajnos megörökíteni nem volt lehetőségem, éppen autóztunk valahol Hajdúdorog és Hajdúböszörmény között.
Sajnos megörökíteni nem volt lehetőségem, éppen autóztunk valahol Hajdúdorog és Hajdúböszörmény között.
Kása János ... aki a sört is 3D-ben issza.
Re: Tripla szivárvány
Balatonnál ilyen triplát soha.