What is the difference between fog/dew formations and cloud formations?

?2017-02-26T05:21:25Z

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All occur because either the air (fog, clouds) or objects (dew) drop below the dew point. Fog usually forms when warmer air comes into contact with cooler ground or water and is cooled below the dew point. The dew point is the point in temperature where the air cannot contain anymore water vapor (relativity 100%). Dew forms when an object, say grass, radiates it heat into space at night and dew forms on it. Clouds form when rising air cools below the dew point.

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?2017-02-24T01:55:35Z

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