What causes wind?

Question

I've been wondering...

Answer 1

Earth rotation, hot and cold air mixing, the ocean water temp and the regular temp. You name it, it's part of it

Answer 2

Your big *** blowing out farts.

Answer 3

The simplest answer is that warm air rises and expands.

As the sun heats the air, this creates pressure differences which causes the air to move.

Corriolis forces contribute to the movement in

complicated ways.

Basically, rising air tends to move east.

Answer 4

pressure differences in the air.  If one area has a higher pressure than the other then the air will move along the pressure gradient towards the lower pressure.  Its just like a hill...air flows down from high pressure to low.  At least thats all I know about it.  

There could be more.

Answer 5

ARE YOU A r****d OR JUST WAY YOUNG??

Answer 6

it has to do with the heating and cooling of it.

heat it up. it rises.

as it rises, it cools. and it comes back down. :]]]

here, this is a site that explains it more in depth. :]

http://www.weatherquestions.com/What_cau...

Answer 7

the earth spinning

Answer 8

air molecules that are rushing to move from a high pressure to a low pressure

Answer 9

when hot and cold air mix,  they form wind and it's always random depending on where the heat is coming from and where the cold is coming from.

Answer 10

Wind is caused by air flowing from high pressure to low pressure. Since the Earth is rotating, however, the air does not flow directly from high to low pressure, but it is deflected to the right (in the Northern Hemisphere; to the left in the Southern Hemisphere), so that the wind flows around the high and low pressure areas. This effect of the wind "feeling the Earth turn underneath it" is important for very large and long-lived pressure systems. For small, short-lived systems (such as in the cold outflow of a thunderstorm) the wind will flow directly from high pressure to low pressure.

Answer 11

It's actually changes in air pressure but I doubt that means much....

Answer 12

by air moving from high pressure to low pressure.

there's a better description at this website.

http://www.weatherquestions.com/What_cau...

Answer 13

wind is caused by variation in temperatures over the earth's surface and over the water on the earth The air moves from warm areas to cooler areas because of the different pressures in the air masses. Upper air winds swirl around the globe in a west to east pattern and are less influenced by temperatures below.

Answer 14

millions of people farting and the air culminating in one stream

Answer 15

the ocean

Answer 16

Rotation of the earth, coriolis and pressure gradient force.

Answer 17

air pressure and temperature changes among other factors.. this article should help your understanding.

http://en.wikipedia.org/wiki/Wind

Answer 18

Oops sorry about that! That was me

Answer 19

according to Wikipedia:

"Wind is the flow of air or other gases that compose an atmosphere (including, but not limited to, the Earth's).[1] It occurs as air is heated by the Sun and thus rises. Cool air then rushes to occupy the area from which the hot air has now moved."

Answer 20

It has something to do with the earth's rotation I think or different pressures in the air. Not to sure.

Answer 21

Air is set in motion by the Pressure Gradient Force (PGF). This, as you well know, is a flow from high pressure to low pressure. In nature, regions of excess move toward regions of deficit. This comes from the second law of thermodynamics that states higher energy states move toward lower energy states. Nature is always trying to balance. The result of trying to balance and equalize pressure results in wind. The pressure gradient force acts on a horizontal plane.

What causes the pressure changes in the atmosphere? The primary reason is through the warming and cooling of air. The pressure exerted by a gas changes as it becomes more dense or less dense. Since a cold air mass is denser and has a lower thickness than warm air, pressure decreases more rapidly with height in cold air than in warm air. When cold dense air is placed next to warm less dense air, wind results by nature trying to balance the pressure differences at each level in the atmosphere between the two air masses. This can occur on all scales of motion. Examples: On the planetary scale, temperature gradients create the polar jet stream; on the synoptic scale it creates jet streaks; on the mesoscale it creates sea breeze circulations and the low level jet; on the microscale it creates lake breezes.

AND:

http://answers.yahoo.com/question/index?...

Answer 22

What happens is there is huge "bubbles" or pockets of air that are hot and cold.  As the hot air rises (because thats what hot air does) the cool air moves in to take up that space. Gusts of wind are because the earth isn't flat so some get caught up on buildings, houses etc and that creates a gust.

Answer 23

Wind is caused by air flowing from high pressure to low pressure. Since the Earth is rotating, however, the air does not flow directly from high to low pressure, but it is deflected to the right (in the Northern Hemisphere; to the left in the Southern Hemisphere), so that the wind flows around the high and low pressure areas. This effect of the wind "feeling the Earth turn underneath it" is important for very large and long-lived pressure systems. For small, short-lived systems (such as in the cold outflow of a thunderstorm) the wind will flow directly from high pressure to low pressure

Answer 24

There are low and high pressure areas around the planet.  If you have  a low pressure area next to a high pressure area, Air will flow from the high to the low area,Walla!! Wind!

Answer 25

The uneven heating of the earths surface. Thats what causes wind!

Answer 26

pressure gradients

Answer 27

REad this:

http://www.weatherquestions.com/What_cau...

Answer 28

the differences in air pressure.

Answer 29

Moving trees. Just kidding.

Wind is caused by air flowing from high pressure to low pressure. Since the Earth is rotating, however, the air does not flow directly from high to low pressure, but it is deflected to the right (in the Northern Hemisphere; to the left in the Southern Hemisphere), so that the wind flows around the high and low pressure areas. This effect of the wind "feeling the Earth turn underneath it" is important for very large and long-lived pressure systems. For small, short-lived systems (such as in the cold outflow of a thunderstorm) the wind will flow directly from high pressure to low pressure.

Answer 30

Differances in Air Tempurature. This is elementary people!!!

Answer 31

many things

1-

differences in pressure, high pressure air wants to flow to the low pressure air to equalize pressure difference

or differences in temperature, its the same thing, cold air is less dense so, less pressure and hot air is denser, so more pressure. (general rule)

2- Earth's natural turning (year-round lasting systems and winds like the Gulf Stream)

3- Geographical elevations can deflect and/or create winds.

(Minor effect)

O.O amazed at the amount of people answering BS

Hope my answer helped.