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popushoy · Joined: 15 Jan 2009 Posts: 1

The weather for tomorrow- what can be more actual to each of us. We can watch the news without emphases, but as soon as the weather forecast begins we throw our deals and listen attentively to each word of the speaker, trying to remember what temperature is expected, which will be the wind velocity, and if the precipitations are expected. The users of the weather forecast are milliards of people of so different professions as agronomists, chauffeur, geologists, pilots, sailors, builders, and mountaineers. The weather forecasts are a part of life either of the citizens or the villagers. We got accustomed to live by science. But…the long-term forecasts of nowadays come true for 55-60 percent, that is to say that four of each ten forecasts turn out to be wrong. The theoretical limit of predictability of weather constitutes 7-10 days, not more. Some meteorologists affirm that the weather could be predicted absolutely right only for a day in a radius to 200 km. The scientists consider that the faultless forecast will be still beyond the science for many years, because the absolute exactly forecast, even for a day onward, needs collecting and analyzing the data from each square kilometer of the terrestrial surface. Besides, very often the forecasts turn out to be inexact, because the weathermen haven’t taken all the factors into account, which cause the changes of weather. One of such factors that haven’t been taken into consideration is that that it is necessary to know such a regularity of weather changing as its dependence on particularities of Earth’s motion along its orbit around Sun. It is made an opening, which proves that during a month the Earth’s velocity of motion along its orbit changes twice: it increases, and decreases that, in turn, causes the forming of cyclones.
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