a map or chart showing weather conditions over a wide area at a particular time, compiled from simultaneous observations at different places.

What type of a map is a weather map?

Weather maps showing daily high temperatures across the United States are familiar examples of a thematic map. They are made by starting with a reference map of the United States. Then temperature data is plotted atop of the reference map using colors to communicate the temperature forecast.

What is the weather map called?

A weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings.