What does a report of "SKC" mean in weather terminology?

In meteorological terminology, "SKC" stands for "sky clear." This indicates that there are no significant clouds present in the sky, allowing for unobstructed visibility. This term is often used in weather reports and aviation communication to provide crucial information about the state of the atmosphere.

When air traffic controllers receive a report of "SKC," it informs them that the conditions are favorable for flying, as pilots can expect clear visuals without cloud interference. This is particularly important for visual flight rules (VFR), where pilots rely on their ability to see the ground and other aircraft.

Other options like "sky covered with clouds," "partial cloud cover," and "stormy conditions" denote various levels of cloud presence or weather disturbances, which would imply reduced visibility and could lead to more complicated flight operations. These variations in weather reports serve to help pilots and air traffic controllers make informed decisions regarding flight safety and routing.