How does wind change direction throughout the day?



  1. 0 Votes

    Wind direction changes due to changes in the weather. For example, if a cold front comes in then the wind will change due to the direction the new weather front it coming from. Different weather and corresponding wind directions are due to the geography of a particular area.

  2. 0 Votes

    Coriolis force, or the turning of the earth, is one predictable factor influencing wind direction. Wind travels horizontally from areas of high density/pressure to areas of low density/pressure, unless this flow is interrupted. Wind pressure and density is also affected by temperature. This flow could be interrupted by a collision with air of higher or lower density flowing from another direction. Another factor could be Coriolis force. Coriolis force strengthens towards the poles and is nonexistent at the equator. As winds head into this force they can change course. 

    Here is a chart of wind patterns moving from high to low density horizontally, and low to high density vertically:

    [img_assist|nid=204090|title=heating wind|desc=|link=none|align=left|width=640|height=388]

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