Final answer:
The only cloud type specifically forecast in TAF reports is the Cumulonimbus cloud, which is essential for aviation safety due to its association with severe weather conditions like thunderstorms and tornadoes.
Step-by-step explanation:
The only cloud type that is specifically forecast in Terminal Aerodrome Forecasts (TAFs) is the Cumulonimbus cloud. TAF reports are used by aviation professionals to determine expected weather conditions at an airport, typically for a period of 24 to 30 hours. Cumulonimbus clouds are significant for aviation as they are associated with heavy precipitation, thunderstorms, and extreme weather such as tornadoes, which can affect flight safety. While other cloud types like Nimbostratus or Scattered cumulus might also impact weather, they are not specifically named in TAF reports as Cumulonimbus clouds are.
Atmospheric wind and weather, including the formation of Cumulonimbus clouds, are confined to the troposphere, which extends to about 12 km high. These clouds are typically formed due to convection, where water vapor rises and condenses to form the dense, towering clouds known for their thunderstorm activity. Understanding cloud types and their implications on weather is essential for predicting flight conditions and ensuring the safety of air travel.