Weather, atmospheric condition and climate must be clearly distinguished.
\nWeather describes the current state of the atmosphere surrounding us in a certain place.
\nThat means that the weather may change by the day or even at hourly intervals, and that the weather on Earth differs considerably.
\nOur Earth is surrounded by a thick envelope of air which is composed of different layers. This envelope of air is called atmosphere.
\nThe weather takes place in the lowest layer of the atmosphere, the troposphere. Due to the Earth\u2019s gravity, it is the densest part of the atmosphere because it contains 80 per cent of the air and almost all gaseous water, which is the moisture bound in the air.
\nThe driving force of all weather events and the constantly revolving masses of clouds and air in the troposphere is the sun.
\nThrough light and heat radiation the sun provides energy and is like an engine powering our weather.
\nSo the foundations of the weather are the warming sunrays, the water in its hydrological cycle and the air which surrounds us with its pressure balancing wind flows that mix and react with one another according to simple physical laws.
\nWhen these components are available in various amounts, elemental weather phenomena such as fog, clouds, rain, snow, wind, frost and sunshine are formed.
\nThe weather often changes daily and sometimes even several times a day and is almost never the same everywhere.
\nSo weather is the momentarily perceptible state of the lower atmosphere, the troposphere, in a specific place at a specific time.
\nIn the course of a year, the large-scale weather pattern can also remain the same for some days or weeks. Typical characteristics of similar weather are called atmospheric condition.<\/p>\n","protected":false},"excerpt":{"rendered":"
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