Rain Silhouette PNG Transparent Images Collection

Download best HD quality free Rain Silhouette PNG Transparent Images Collection backgrounds which is available in various dimensions and pixels. To download the original resolution of silhouette PNG, click on the below thumbnail image.

License Info: Creative Commons 4.0 BY-NC


Uploaded on on Sep 5, 2021

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Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and become heavy enough to fall. Rain is an important part of the water cycle since it is responsible for depositing the majority of the world’s freshwater. It offers habitat for a variety of habitats as well as water for hydroelectric power facilities and agriculture irrigation.

Moisture flowing over three-dimensional zones of temperature and moisture differences known as weather fronts is the primary driver of rain formation. Precipitation falls from convective clouds (those with strong upward vertical motion), such as cumulonimbus (thunder clouds), which can form into narrow rainbands if enough moisture and upward motion are available. Heavy precipitation is possible in mountainous locations where upslope flow is greatest inside windward sides of the topography at elevation, forcing moist air to concentrate and fall out as rainfall along mountain slopes. Desert climates can exist on the leeward side of mountains due to the dry air generated by downslope flow, which heats and dries the air mass. Rainy seasons are brought to savannah climates by the migration of the monsoon trough or intertropical convergence zone.

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Downwind of cities, the urban heat island effect causes increased rainfall, both in quantity and severity. Changes in precipitation patterns are also being caused by global warming, with wetter circumstances in eastern North America and drier conditions in the tropics. The continent of Antarctica is the driest on the planet. The worldwide average annual precipitation over land is 715 mm (28.1 in), but it is significantly higher, at 990 mm, throughout the whole Earth (39 in). Average annual rainfall is used in climate classification systems like the Köppen classification system to assist distinguish between various climatic regimes. Rain gauges are used to measure rainfall. Weather radar can estimate rainfall quantities.

Rain is known or speculated to exist in other worlds, where it may be made up of methane, neon, sulfuric acid, or even iron instead of water.

The amount of water in a particular mass of dry air is measured in grams of water per kilogram of dry air (g/kg), while the mixing ratio is measured in grams of water per kilogram of dry air (g/kg). The quantity of moisture in the air is also known as relative humidity, which is defined as the percentage of total water vapor that air can retain at a given temperature. The amount of water vapor that a parcel of air can hold before becoming saturated (100 percent relative humidity) and forming a cloud (a collection of visible and microscopic water and ice particles hanging above the Earth’s surface) is determined by its temperature. Warmer air may hold more water vapor before becoming saturated than cooler air. As a result, cooling a parcel of air is one technique to saturate it. The dew point is the temperature below which a parcel must be chilled to reach saturation.

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