(Notice that “evaporated” contains the word “vapor.”)The same thing is constantly happening with oceans, lakes, rivers, swamps, swimming pools – and everywhere water is in contact with air.Liquid water changes into a gas when water molecules get extra energy from a heat source such as the Sun or from other water molecules running into them. That cools the water they leave behind.Heat causes some of the liquid water – from places like oceans, rivers and swimming pools – to change into an invisible gas called water vapor. The excess amount changes from a gas into a liquid or solid (ice). These energetic molecules then escape from the liquid water in the form of gas. If the cloud is high up enough in the sky and the air is cold enough, the cloud is made of lots of tiny ice crystals instead and gives a thin, wispy appearance.There is also the fact that a cloud can form when more water vapour has been added to the air, for example if it has passed over a lake, it can pick up moisture. Air gets moist or damp as a result of the evaporation process that takes place by the sun. Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. When moist air is cooled at the ground, fog is formed in the same way. Image credit: NASA/JPL-Caltech/Alex NovatiThe air can only hold a certain amount of water vapor, depending on the temperature and weight of the air – or atmospheric pressure – in a given area. They are able to float since they are very small. Image credit: NASA/JPL-Caltech/Alex NovatiThe better we can understand clouds and the atmosphere that creates them, the better we can find out what’s happening to our climate.Climate Kids is produced by the Earth Science Communications Team at 'March winds and April showers bring forth May flowers'Altocumulus clouds are generally associated with settled weather and will normally appear white or grey wi…Cirrocumulus is a relatively rare cloud, forming ripples which may resemble honeycomb.Everything you need to know about the forecast, and making the most of the weather.The latest breakthroughs, research and news from the Met Office.Support your business with world-leading science and technology.Many people believe that clouds are just made of water vapour (a gas). The water droplets are very minute with a diameter of roughly a hundredth of a millimeter. Cloud Formation.
Those particles provide surfaces on which water vapor can change into liquid droplets or ice crystals.A large accumulation of such droplets or ice crystals is a cloud.Dust and other particles floating in the air provide surfaces for water vapor to turn into water drops or ice crystals. As a simple explanation, when air rises, it cools, much like when you are going up a mountain and the air tends to get colder. This moist air rises from the surface of the earth and progresses higher only to become cooler furthermore. When moist air is cooled at the ground, fog is formed in the same way.Clouds form at a wide range of altitudes, from near the ground to very high in the atmosphere. A camera on NASA’s Terra satellite captured this image of clouds over the Southern Indian Ocean. To understand how clouds form, we need to take a step back and examine the processes of evaporation and condensation.Picture a birdbath outside on a hot day. The evaporated water, a.k.a. A camera on NASA’s Terra satellite captured this image of clouds over the Southern Indian Ocean. It evaporated. The tree main types of clouds are: Cumulus, Stratus and Cirrus clouds. I’ll give you details about two of the best free sites that I found, plus instructions on how to use Microsoft’s free Pro Word Cloud add-in for Word and PowerPoint users.
Clouds get their moisture from a variety of sources, including evaporated ocean water. The range of ways in which clouds can be formed and the variable nature of the atmosphere results in an enormous variety of shapes, sizes and textures of clouds. Weird & WackyWe use cookies to personalise content and ads, to provide social media features and to analyse our traffic. Here’s the common way in cumulus and cumulo-nimbus clouds. That's a great question so we've put it to BBC Weather presenter Abbie Dewhurst to explain.
Clouds are formed when moist air rises upward. Eventually the air can't hold all of the water vapor in it, and some of the water vapor condenses to form tiny water droplets.
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