Which weather phenomenon is most commonly associated with a TAF designation of "TS"?

The designation "TS" in a Terminal Aerodrome Forecast (TAF) indicates the presence of thunderstorms. Thunderstorms are significant weather events that can bring heavy precipitation, strong winds, lightning, and even hail. The TAF is specifically designed to provide essential weather information that affects flight operations, and thunderstorms are critical to track due to their potential disruptive impact on aviation safety.

In this context, thunderstorms involve convective activity, which leads to rapid changes in weather conditions. Pilots and air traffic control rely on TAF reports to prepare for these phenomena, ensuring safety during takeoff, landing, and in-flight operations. Understanding that "TS" pertains to thunderstorms allows for better planning and response to the volatile conditions associated with such weather events.