Cold fronts are marked on weather maps with the symbol of a blue line of triangles/spikes (pips) pointing in the direction of travel, and are placed at the leading edge of the cooler air mass.

If a cooler air mass moves in and pushes against a warmer air mass, the boundary is called a cold front. The symbol for a cold front is a blue line with triangles on it pointing in the direction that ...

A cold front is generally shown on a weather map on TV as a curvy blue line with little blue triangles on it. This weather symbol indicates where areas of cold air are located. The line shows the ...

Do you remember the cold front that swept through the Houston metro area early on Election Day? It brought heavy rainfall and cooler, less humid weather Wednesday. That same front, which was ...