What two cloud types can be encoded with sky cover information in column 10?

The correct answer indicates the two cloud types that can be encoded with sky cover information in column 10 are Towering Cumulus and Cumulonimbus. These cloud types are significant in aviation weather reporting due to their potential impact on flight operations. Towering Cumulus is characterized by its vertical development and can indicate turbulent conditions, while Cumulonimbus is associated with thunderstorms and severe weather, presenting hazards such as turbulence, lightning, and potentially hazardous turbulence in the vicinity.

By specifying these cloud types as relevant for sky cover in aviation weather reporting, it emphasizes the importance of accurately conveying conditions that could affect safety in flight operations. The presence of these clouds can significantly alter visibility and weather conditions, making it essential to have this information encoded for pilots and air traffic controllers to assess weather risks effectively.

The other options list cloud types that, while still relevant to weather reporting, may not have the same level of impact on aviation safety as Towering Cumulus and Cumulonimbus. For instance, Cumulus and Cirrus primarily indicate more benign weather, while Nimbostratus and Stratocumulus, though they can contribute to precipitation, do not pose the same immediate threats to aviation operations as the towering and convective clouds do