Weather and Climate

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drought

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a long period of unusually dry weather.

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weather

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day-to-day changes in atmospheric conditions, including temperature, air pressure, humidity, wind, cloud coverage, or precipitation.

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cold front

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colder air, heavy rain, thunderstorms, snow.

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humidity

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moisture in the air.

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climate

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long-term average of weather in an area.

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atmosphere

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the layer of gases surrounding the Earth.

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precipitation

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any form of water that falls from the atmosphere, including rain, snow, sleet, and hail.

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air pressure

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the pressure caused by the weight of a column of air pushing down on an area.

Front

front (in meteorology)

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a boundary separating two masses of air of different densities.

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temperature

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a measure of how hot or cold something is, often measured in degrees Celsius or Fahrenheit.