Sky

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[Sky]

Rainbow Circles

One of the most interesting and beautiful atmospheric phenomena is the rainbow circles, that has got a scientific name of “gloria”. This is an optical effect that can be seen from an airplane or standing on top of a mountain above the clouds with the source of light behind you.

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[Sky]

How Hurricanes Get Their Names?

Did you know how hurricanes and typhoons get their names? Previously, no system existed; the names of the hurricanes depended on the date (for example, Hurricane Santa Anna, which happened on St. Anne’s Day) or its form (as happened with Hurricane “Pin”). There were even anecdotic cases: for example, one meteorologist from Australia used to give the hurricanes the names of politicians who voted against the budget for meteorological research.

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[Sky]

Astronomical Spring

March 20 is the day of the vernal equinox, after which the length of the day will gradually become longer than that of the night. On the equinox day the Sun will cross the celestial equator and equalize day and night. That will start an astronomical spring in the northern hemisphere.

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[Sky]

Why Does Fog Appear?

Fog is not just a simple weather phenomenon, it’s a scientific masterpiece. From the scientific point of view, fog is the accumulation of water in the air and the further formation of little condensation products of water vapor. Moreover, the lower the temperature, the more ice crystals are there in the fog instead of water drops.

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[Sky]

Have You Ever Seen a Double Rainbow?

Double rainbow is an incredibly beautiful natural phenomenon, but not very frequent, unfortunately. It is caused by the double reflection of sunlight in the raindrops. It is curious that in the second rainbow the colors go in the opposite order: from violet to red. Popular signs consider the double rainbow a very good sign, promising success, and good luck in everything.

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[Sky]

Meet Nacreous Clouds

Nacreous clouds are a real miracle of the northern latitudes. Nacreous clouds are one of the most beautiful, unusual, and rare natural phenomena. They appear at an altitude of 15 to 27 km at abnormally low temperatures. The best time for observation is at dusk, from the moment the sun sets visibly beyond the horizon line to the moment its center plunge 6 ° below the horizon line.

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[ Sky]

What Differs Drizzle From Similar Phenomena?

Drizzle is a type of light rainfall characterised by very fine water droplets falling from the sky. It typically occurs when the temperature is above freezing, around 5 to 10 degrees Celsius (41 to 50 degrees Fahrenheit), can also happen at slightly colder or significantly higher temperatures. Light drizzle is common in regions with mild or cool climates, especially during transitional seasons like spring and autumn.

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[Sky]

Lunar Rainbow

Did you know that apart from the usual rainbow, there is also a lunar one? Lunar (or night) rainbows are really rare. The reason is an exact combination of obligatory factors that must coincide in order for a lunar rainbow to appear in the night sky. What are these factors?

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[Sky]

What is the Real Form of the Rainbow?

Did you know that a full rainbow is actually a complete circle? The thing is that it’s not an arc we are used to see but a complete circle partly hidden from us. And only in certain conditions, like being on an airplane or standing on a mountain one can see an amazing view of an entire circular rainbow.

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[Sky]

Do You Know What Lenticular Clouds Are?

Lenticular clouds are one of the most beautiful natural phenomena. When you first see them in a photo, it’s hard to believe that this is a real shoot, not a photoshop. Lenticular clouds are quite rare and can be observed mainly in mountainous areas. Most often they are recorded in the United States, Kamchatka, and near Mount Fuji in Japan.

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[Sky]

What is Morning Glory?

Morning glory — what is it and where can you see it? Today we will tell you about another rare and amazing atmospheric phenomenon — unusual clouds called “Morning Glory”. These clouds appear as a long curved solitary wave and reminds of an airplane trail. These waves are located quite low above the earth, at an altitude of only 100-200 meters.

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