Causes and Effects of Weather

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What is meteorology?

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The study of atmospheric phenomena.

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What is weather?

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The current state of the atmosphere.

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What is climate?

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Long-term variations in weather for a particular area.

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Why are the tropics hotter than the poles?

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The sun strikes this area of Earth more directly.

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What is a large parcel of air that takes on the characteristics of the area over which it forms?

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An air mass.

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Where do air masses originate?

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Source regions.

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What characteristics does an air mass take on from its source region?

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Temperature and humidity.

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Where do maritime air masses originate?

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Oceans.

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When an air mass travels over land or water that has different characteristics than those of its source region, what does it undergo?

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Air mass modification.

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What is the term for the current state of the atmosphere?

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Weather.