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atmosphere. Meteorologists use the term relative humidity to explain what percentage of water can be held in the air at specific temperatures. For example, a relative humidity of 100 percent means that the air is entirely saturated and can’t absorb any more water vapor. Any additional vapor entering the atmosphere will turn into rain. Precipitation: Precipitation is water that forms within the atmosphere. Depending on the temperature within the atmosphere, it can be liquid water or solid (frozen) water, or a combination of the

Water that forms in the atmosphere is called precipitation. It can take many forms, such as liquid rain or frozen hail or snow.

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The New Weather: Climate and Weather