Dew point is crucial in predicting what meteorological phenomenon?

Dew point is a critical factor when it comes to cloud formation because it indicates the temperature at which air becomes saturated with moisture, leading to condensation. When the air temperature cools to the dew point, the moisture in the air condenses into tiny water droplets, forming clouds. This process is essential in meteorology as it helps forecasters understand when and where clouds are likely to develop, which can further lead to precipitation.

The other choices relate to important meteorological phenomena but do not have the same direct connection to the formation of clouds. For instance, while winds and temperature changes are affected by atmospheric conditions, they do not arise specifically from the dew point. Weather fronts involve the meeting of different air masses and are influenced by many factors, including temperature and pressure, but again, the immediate link to cloud formation is more strongly associated with the concept of dew point.