What do the colors on a weather map mean?
A weather map with colors is another kind of chloropleth map, which is a kind of map in which colors can be used to represent any sort of information over a given area, in this case temperatures or other phenomena in the United States. The maps on weather.com should have a legend which explains what the colors represent on the top of the map This is a link to a map on weather.com which shows precipitation over the western USA, on the top is a legend to help you read the map http://www.weather.com/maps/activity/tra… Here is another weather map on weather.com This one does not expain everything, and I think this is what you are referring to on your question, here I will tell you what some of the things not mentioned on the map are http://www.weather.com/maps/maptype/
