What Does This Symbol Indicate On A Weather Map

It tells you when the weather map was created and also the time when the weather data in the map is valid.

One of the first coded pieces of data you might notice on a weather map is a 4 digit number followed by the letters z or utc usually found at the map s top or bottom corner this string of numbers and letters is a timestamp. For example if the fog symbol of three horizontal parallel lines is drawn in front of the sun weather symbol one can interpret it as being partly foggy or fog with mild sunlight. Wind speed and direction. Synoptic chart symbols a synoptic chart is any map that summarises atmospheric conditions over a wide area at a given time.

It displays information on temperature precipitation wind speed and. If sun and rain droplets are shown together it means that rain is precipitating along with low intensity sunlight. A low air pressure system would cause thunderstorms but the l does not mean that the area marked would cause a tornado.