Working Out Climates Using the Climate Cookbook

summerPressure

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2 Responses to summerPressure

  1. Samuel Navara says:

    Hello, I don’t understand why is the whole land mass a low pressure zone? And why are some parts on the same level high if from 30° down it’s supposed to be a low pressure zone? Or I am really confused by this what determines pressure zones? And what about landmassess? This wasn’t explained..

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    • Patrick says:

      Hi Samuel, appologies for that late reply. In the northern hemisphere the followign applies.
      “In summer, the cooling of the ocean causes high pressure, with low pressure areas over the land.
      In winter, the cooling of the ground causes high pressure, with low pressure areas over the ocean.”

      For the purposes of the tutorial this is sufficient enough depth, you can block over the land and sea in broad strokes as shown in the diagram. I had a quick google and there was this explanation “Warm air rises, causing low air pressure whereas cold, dense air results in high air pressure. Above the ocean the air cools down due to the colder temperatures of the ocean water.”

      Hope that helps

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