What visual representation is associated with a cold front?

A cold front is visually represented by triangles on weather maps. This choice is correct because triangles, which are typically colored blue, indicate the leading edge of cooler, denser air that is moving into an area previously occupied by warmer air. The presence of these triangles signifies the boundary where the cold air mass is advancing, causing changes in weather such as a drop in temperature and often precipitation.

The use of triangles helps meteorologists quickly identify and communicate the nature of the front and its potential effect on weather conditions. Understanding this visual representation is essential for interpreting weather forecasts accurately. Other symbols, such as semicircles or squares, represent different weather phenomena, such as warm fronts or stationary fronts, and are not associated with cold fronts.