Answer:
Yes, it is possible for a cool region underneath a cloud to have a region with no cloud cover. This can occur due to several factors:
1. Temperature Inversion: In certain atmospheric conditions, a layer of warm air can be situated above a layer of cool air near the surface. This is known as a temperature inversion. Clouds typically form within the cool air layer. If there is a temperature inversion, the warm air above can prevent the formation or presence of clouds in the region immediately below.
2. Cloud Dissipation: Clouds can dissipate or evaporate as they move into a drier or warmer region. If a cool region underneath a cloud moves into an area with drier or warmer air, the cloud may gradually dissipate, leaving a region with no cloud cover.
3. Localized Factors: Topography, wind patterns, and other local atmospheric conditions can also contribute to the presence or absence of cloud cover in a particular region. For example, if a cool region is sheltered by mountains or affected by descending air, it may experience less cloud formation compared to surrounding areas.
It is important to note that weather conditions can be complex and can vary significantly based on various factors. Therefore, it is possible to have variations in cloud cover within different regions, even in a cool area underneath a cloud.