Surface weather map symbols. 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. In this example the reported temperature is 64 degrees. 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.
In this case fog was. Temp f weather dewpoint f pressure mb sky cover wind kts data at surface station temp 45 0f dewpoint 29 0f overcast wind from se at 15 knots. A weather map and its symbols are meant to convey a lot of weather information quickly and without using a lot of words. The definitions provided below are derived from the national weather service glossary.
Interpreting surface observation symbols a quick overview temperature. Weather map symbols abbreviations and features. Here is an introduction to weather maps. 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.
Surface pressure charts showing pressure and weather fronts are provided up to five days ahead for europe and the north east atlantic. A line with all circles signifies a warm front and the dry cool air that comes with it. To read a weather map understand that a line with all triangles symbolizes a cold front which will bring humidity and possibly rain. The weather symbol highlighted in yellow indicates the type of weather occurring at the time the observation is taken.
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. That is if you know how to read it. 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.