What does "FC" represent in the decoded weather information?

In decoded weather information, "FC" stands for "Funnel Cloud." This term indicates the presence of a rotating column of air that extends from the base of a cumulonimbus cloud, which can lead to the formation of a tornado. Recognizing "FC" is crucial for air traffic controllers and pilots as it serves as an important safety alert that severe weather conditions may be present, potentially impacting flight safety and operations.

The other options do not accurately represent the meaning of "FC" in this context. Understanding the correct terminology in weather reports is essential for evaluating operational conditions and ensuring the safety of flight operations.