Definitions for "SYNOPTIC CHART"
A weather map produced by plotting synoptic meteorological data (such as winds, temperature or pressure).
A chart or map on which is represented the distribution of selected meteorological elements over a large area at a specified instant of time. 'Surface synoptic chart' is an alternative for weather map.
In meteorology, any chart or map on which data and analyses are presented that describe the state of the atmosphere over a large area at a given moment in time.