Commercial Ground Weather Practice Exam 2025 – All-in-One Guide to Master Your Certification!

Question: 1 / 400

What happens to the temperature spread as relative humidity increases?

It remains constant.

It decreases.

As relative humidity increases, the temperature spread, which is the difference between the air temperature and dew point temperature, typically decreases. This occurs because warmer air can hold more moisture, and as humidity rises, the air temperature approaches the dew point temperature. When the relative humidity is high, the air is closer to saturation, resulting in less difference between the actual temperature and the dew point.

Therefore, as humidity increases, the likelihood of the air being saturated with moisture also increases, resulting in a smaller temperature spread. This is an important concept in meteorology, as it impacts weather patterns, including the formation of clouds and precipitation. Understanding this relationship helps meteorologists predict weather changes and atmospheric conditions more accurately.

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It increases.

It becomes unpredictable.

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