The rare phenomenon Fata Morgana was recorded today, Thursday for a few minutes in the Thermaic Gulf of Thessaloniki, where the ships seem to be “floating” on the sea.
More specifically, the only spectacle that is rarely encountered in Greece was seen by the most observant citizens of Thessaloniki at noon on Thursday.
It is a complex visual phenomenon due to temperature reversal of tangential atmospheric layers.
“Initially it plays an important role that we have apnea and the sea is calm. At this time the sea is still quite cold, due to its large heat capacity, so it changes its temperature much more slowly than the air. “Essentially a thin layer of air just above the sea – a few centimeters to a few meters thick – is much colder than the air above it.” GRTimes.gr the meteorologist of northmeteo.gr, Dr. Stavros Keppas.
As the meteorologist explains, when the weather is mild, the seamless interaction between warm supernatant air and denser cold air near the ground surface can act as a refractive lens, creating a vertically inverted image, on which a magnifying glass appears. straight idol. Fata Morgana is usually seen in the morning and rarely at noon, after a cold night that results in the escape of heat by radiation into space.
“In this case we see a boat a little higher than it really is. The image of the ship is typically seen, because essentially the radiation that starts from the ship and reaches our eyes is refracted, because it passes with different densities “, adds Mr. Keppas.
In addition, objects on the horizon, such as islands, cliffs, ships, or icebergs, appear complex, that is, two images of the same object joined upside down at the top.
This phenomenon has occurred in a few parts of Greece, such as the western side of Samothrace. Also, the Fata Morgana phenomenon has been photographed east of Limassol in Cyprus. A similar kind of reflection has been observed in the Gulf of Toyama off the west coast of Japan as well as in the Great Lakes of North America. It is likely to be observed in the Arctic Seas on very calm mornings or often on the icy Antarctic coasts.
Finally, the first reference to “Fata Morgana” in English, concerned a similar reflection observed in 1818 in the Strait of Messina, between Calabria and Sicily. The phenomenon belongs to the superior reflections (superior mirage), which are distinguished from the more common inferior mirages (inferior mirage), which create the illusion of distant water holes in the desert and “wet road” in the very hot roads.
GRTIMES
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