How do meteorologists indicate different types of weather fronts on a weather map?

Meteorologists indicate different types of weather fronts on a weather map using various symbols and colors. Cold fronts are typically represented by blue lines with triangles pointing in the direction of movement, while warm fronts are represented by red lines with half-circles pointing in the direction of movement. Stationary fronts are represented by alternating red and blue lines with circles on one side, and occluded fronts are shown with purple lines and alternating triangles and half-circles.

In addition to these symbols, meteorologists may use colored shading or patterns to denote areas of high and low pressure associated with the fronts. High pressure systems are often represented with an "H" symbol and are associated with clear, fair weather, while low pressure systems are represented with an "L" symbol and are associated with stormy or unsettled weather.

By using these symbols and colors, meteorologists can quickly and effectively communicate the location and movement of different types of weather fronts on a weather map.