1. A boundary or border between two regions, air masses, or weather systems that remains relatively fixed in position over a period of time
The stationary boundary between the warm and cold air masses caused persistent rainfall in the region.
A fronteira estacionária entre as massas de ar quente e frio causou chuvas persistentes na região.
2. In meteorology, a weather front that is not moving significantly or is moving very slowly
A stationary boundary brought days of continuous drizzle to the coastal areas.
Uma fronteira estacionária trouxe dias de garoa contínua para as áreas costeiras.