What does the abbreviation TS SE-SW signify in weather observations?

The abbreviation TS SE-SW indicates that thunderstorms are occurring in a line or area that extends from the southeast to the southwest. In aviation weather reporting, direction is crucial for pilots and meteorologists since it helps in understanding where weather phenomena are developing or moving. The breakdown of the abbreviation shows that "TS" stands for thunderstorms, and "SE-SW" denotes the directional span, specifically implying that these thunderstorms are present between the southeast and southwest directions. This information is vital for flight planning and safety, as it informs pilots where to expect turbulent weather.