Why does the wind blow?
608810
Wind is the movement of air in response to formation of low pressure cells.\n\nAs someone else stated earlier, the uneven heating of the earth is the primary source for the formation of wind.\n\nCertain parts of the world gets more sunlight than others. This creates uneven heating.\n\nAreas that accumulate more heat are associated w/ low pressure cells. Warm air is less dense than cooler air & will rise.\n\nLike everything else in nature, air pressure tends to want to balance out. That means high pressure will move toward low pressure. This is the beginning of wind.\n\nThe process above describes the global movement of wind that is associated w/ pressure belts around the globe. These are called global winds (ie trade winds, easterlies, etc.)\n\nLocal winds such as valley & mountain breezes as well as sea & land breezes are created in the same way except on a much smaller scale.\n\nLocal winds begin w/ uneven heating of earth's surfaces and/or waters.\n\nFor instance, w/ a sea breeze, localized low pressure will form over land during the day since land heats up faster & to much higher temps than water.\n\nAs the air rises, cooler denser air from over the ocean moves toward the land to replace the air that has risen. This creates a convection current in which the air will circulate, creating a constant breeze.\n\nHowever, at night, the opposite is true. Low pressure forms over the water. Since water cools off more slowly than land surfaces, the water will be the source of the low pressure & the reverse will take place.
358125
A circular force like that must have a center.  If it did not, it would collapse (it would not be a cyclone).  The winding traveling in such a direction, and at high speed, pulls the contents out of the center (into the stream of the wind), just as it does in the outer most circles of it.  Thus, the center is clear of wind and rain.\n\nThe wind forming that clear center is much like water rushing down (to) a sink drain.  ... I don't know if I can explain it better than that... My mind is stuck (for words)...   :)
974881
From the trees waving. Check it out, every time they wave, there is a wind
715107
The same as everywhere else.\n\nHigher wind speeds disperse pollutants.  Wind direction determines where pollutants go.
133482
I think you hear the wind blow through it
171188
There are several answers to this question, Atmospheric pressure. The jet stream. The spinning of the earth. But the underlying principal cause is the sun. The suns rays create heat. The heat hits the earth in an uneven way, and that temperature differential creates differences in pressure it these differences in pressure that drive our winds and move air masses of different temperatures that create weather
64932
differece in air pressure from different spots in the world. some high some low as they all try to form a balance this creates wind. air pressure can be affected by temperature
568304
Wind speed is never zero.  It seems like it somedays, but higher up it is windy. Just look at the clouds.
422939
The wind blows sand and rubble. Erosion might also cause the land to shift.
545928
Yes, I have seen that happen for years. Sycamore especially. The wind blows them in a twist. I don't know the involvement with the water, but when it rained it usually blows first and that's when you see the leaves twist over...
403512
Mostly due to the sun heating the Earth and the ocean, causing convection and ocean currents, which effect the atmosphere and cause wind.\n\nThat's the very short answer; read this for the complete one: http://en.wikipedia.org/wiki/Wind
647288
the answer my friend, is blowing in the wind, The answer is blowing in the wind...
749020
Wind is the roughly horizontal movement of air (as opposed to an air current) caused by uneven heating of the Earth's surface. It occurs at all scales, from local breezes generated by heating of land surfaces and lasting tens of minutes to global winds resulting from solar heating of the Earth. The two major influences on the atmospheric circulation are the differential heating between the equator and the poles, and the rotation of the planet (Coriolis effect).\n\nGiven a difference in barometric pressure between two air masses, a wind will arise between the two which tends to flow from the area of high pressure to the area of low pressure until the two air masses are at the same pressure, although these flows will be modified by the Coriolis effect in the extratropics.\n\nWinds can be classified either by their scale, the kinds of forces which cause them (according to the atmospheric equations of motion), or the geographic regions in which they exist. There are global winds, such as the wind belts which exist between the atmospheric circulation cells. There are upper-level winds, such as the jet streams. There are synoptic-scale winds that result from pressure differences in surface air masses in the middle latitudes, and there are winds that come about as a consequence of geographic features such as the sea breeze. Mesoscale winds are those which act on a local scale, such as gust fronts. At the smallest scale are the microscale winds which blow on a scale of only tens to hundreds of metres and are essentially unpredictable, such as dust devils and microbursts.\n\nWinds can also shape landforms, via a variety of eolian processes.
1143888
it is probably because of the winds and their directions
64676
wind by definition is a sound.\n\nsound is the movement of air molecules vibrating at certain frequencies in the air.\n\nSo yeah, it have 'blow'(move at) audible sound waves.
641866
wind blows from an area of high pressure to an area of low pressure.
469524
It has to do with high and low pressure systems. Wind moves from high-pressure areas to low-pressure areas.