Surface weather map symbols. In addition a line with circles and triangles on the same side shows an occluded front where a cold front overtakes a warm front to cause a variety of events including. Weather map symbols abbreviations and features. In addition to high and low centers you may see one or more of the following eight features on a surface analysis or forecast. The value highlighted in yellow located in the upper left corner is the temperature in degrees fahrenheit.
Interpreting surface observation symbols a quick overview temperature. To read a weather map understand that a line with all triangles symbolizes a cold front which will bring humidity and possibly rain. That is if you know how to read it. Table of contents 1.
Weather map symbols abbreviations and features. A line with all circles signifies a warm front and the dry cool air that comes with it. Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based weather stations. In this case fog was.
Here is an introduction to weather maps. Much like how equations are the language of mathematics weather symbols are the language of weather so that anyone looking at a map should be able to decipher the same exact information from it. Such maps have been in use since the mid 19th century and are used for research and weather forecasting purposes. In this example the reported temperature is 64 degrees.
A weather map and its symbols are meant to convey a lot of weather information quickly and without using a lot of words. Surface pressure charts showing pressure and weather fronts are provided up to five days ahead for europe and the north east atlantic. These charts show the surface pressure pattern using isobars lines of equal pressure and indicate areas of high h and low pressure l along with their central.