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Related to meteorological chart: prognostic chart
meteorological chart[‚med·ē·ə·rə′läj·ə·kəl ′chärt]
A weather map showing the spatial distribution, at an instant of time, of atmospheric highs and lows, rain clouds, and other phenomena.
Any chart showing meteorological (weather) information. The most commonly used charts are synoptic charts and upper air charts.