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Weather forecasts, how the travel time across the world?

Whenever I see the weather forecast on TV and Communication (I I live in the UK) next time in Ireland. So if the U.S. is due to bad weather in Boston right now they are having a real ice cold front to snow and ice time we will be in the UK to begin snow and ice storm? What I'm trying to make is that we, the UK and Europe receives the same time the United States, how the travel time across the world it does come through the Gulf Stream we hear. Thank you. Thank you both for your very precise Consis and answers I have found both very interesting.

Good question. The "time" as such does not travel the world, because it changes all the time, clouds form, some evaporates, etc, but the air is constantly moving and yes, you could say that "time travel". But perhaps in a way different than you think. Ecuador is hot air rises. The poles are cold air sinks. So it would be normal if the rising air moves in Ecuador poleward in height, and from the poles to Ecuador in the surface. But the earth rotates and creates the Coriolis force to bend any movement to the right hemisphere north. Therefore, the air that rises in Ecuador is in a moving clockwise around the latitude 30 N and 30 S, thus creating two areas of high pressure. Here is where most of the deserts of the earth. Among that high blood pressure and the polar opposite of a hot air rises over cooler there. That's more at about latitude 60 N and 60 S. Because air is rising there, it creates low pressure to condense the moisture, causing clouds and precipitation. This is where we live! … (I live in southern Norway). As the air moves counterclockwise around a low pressure, we are subject to what is known as the westerly winds, our address prevailing wind. And that brings, as you write, the low pressures of the U.S. east coast. But that takes time. The low pressure along the polar front is moving at a average speed of 20 knots and can take a week before it is over U.S. is about the UK. Meanwhile, the low pressure of my death, though, in general, accumulates in the Atlantic due to moisture in the air helps to convection, since it contains latent heat. Knowing what happens in the U.S. certainly helps us predict what will happen in Europe in the coming days. It was only after the invention of the telegraph that we managed to draw a map overview, a summary of weather conditions in different places. Later, the wireless radio that most vessels fitted also helped to understand what was happening when the samples of time high seas could be recorded. Today is World Meteorological Organization is responsible for collecting are re-distribute the data from all member countries.