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When cirrus clouds are 100 m (330 ft) thick, they reflect only around 9% of the incoming sunlight, but they prevent almost 50% of the outgoing infrared radiation from escaping, thus raising the temperature of the atmosphere beneath the clouds by an average of 10 °C (18 °F) [46] —a process known as the greenhouse effect. [47]
An ice cloud is a colloid of ice particles dispersed in air. The term has been used to refer to clouds of both water ice and carbon dioxide ice on Mars. [1] Such clouds can be sufficiently large and dense to cast shadows on the Martian surface. [1] Cirrus and noctilucent clouds on Earth contain ice particles. [2]
Polar stratospheric clouds over Western Norway. The stratosphere is very dry; unlike the troposphere, it rarely allows clouds to form.In the extreme cold of the polar winter, however, stratospheric clouds of different types may form, which are classified according to their physical state (super-cooled liquid or ice) and chemical composition.
It’s a distinctive three-part wave in the atmosphere that creates perfect conditions for fire, and it’s occurring more often since 1980, driven by warming in the subtropical eastern Pacific Ocean.
Clouds of the genus nimbostratus tend to bring constant precipitation and low visibility. This cloud type normally forms above 2 kilometres (6,600 ft) [10] from altostratus cloud but tends to thicken into the lower levels during the occurrence of precipitation. The top of a nimbostratus deck is usually in the middle level of the troposphere.
The effect is created by the reflection of light from tiny ice crystals that are suspended in the atmosphere or that comprise high-altitude clouds (e.g. cirrostratus or cirrus clouds). [1] If the light comes from the Sun (usually when it is near or even below the horizon), the phenomenon is called a sun pillar or solar pillar.
Finland's record low temperatures this week inspired a tourist on a trip to the Arctic to try a trick that had long intrigued him: throwing boiling water in the air when it's extremely cold ...
Scientists using Nasa’s Webb telescope have found an icy “super-Earth” that could be home to alien life. When researchers first discovered the planet, known as LHS 1140 b, they thought it ...