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2007-07-06 08:06:14 · 5 answers · asked by . 1 in Science & Mathematics Earth Sciences & Geology

5 answers

by the unequal heating of the earths surfaces that cause air to move. Sometimes at great speed, thus, producing wind

2007-07-06 08:10:22 · answer #1 · answered by nah_too_drunk 3 · 0 0

All air will move from high pressure to low pressure - even in your gut.

Really, it is as simple as that. Why is there a wind from a toy balloon when you let it out? Because you created high pressure when blowing the thing up.

Unequal heating of the Earth's surface creates areas of high and low pressure. The air tries to equalize by moving from high to low pressure. It isn't quite that simple because the Earth's rotation and stratospheric winds tend to make the air systems swirl, so that the air moving into a low pressure does so in a spiralling motion.

That's what you see when you look at those whether maps. The bigger the pressure difference the stronger the winds, just as the air comes out the balloon faster the more you have inflated it.

2007-07-06 15:51:09 · answer #2 · answered by nick s 6 · 1 0

Wind is produced by convection.

Basically, the sun heats the ground (or water) and the ground heats the air. The air is warmer than surrounding air and rises. Cooler air rushes into fill the space vacated by the warm rising air.
Usually this looks like a big circle because when the air rises it cools and eventually sinks back down to earth.

2007-07-06 15:11:29 · answer #3 · answered by Gwenilynd 4 · 0 0

Wind is air from a high pressure warm front rushing to a low pressure cold front. Study caloric theory to learn more.

2007-07-06 15:10:32 · answer #4 · answered by spyDonut 2 · 0 0

Temperature differences, and the resulting differences in specific gravity and density of the air. Warm air is less dense/lighter and rises. Cool air is denser/heavier and descends. Differences of temperatures produce almost all weather.

2007-07-06 15:29:47 · answer #5 · answered by Erik Van Thienen 7 · 0 0

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