A prognostic chart is a map displaying the likely weather forecast for a future time. Such charts generated by atmospheric models as output from numerical weather prediction and contain a variety of information such as temperature, wind, precipitation and weather fronts.

What are the two types of prognostic chart?

There are two separate charts: one is a four-panel 12- and 24-hour, in which the upper two panels are devoted to low-level significant weather; the other, a two-panel 36- and 48-hour with discussion. ... The discussion is limited to about 260 abbreviated words.

What is difference between synoptic and prognostic chart?

Prognostic charts are computer generated forecast showing the expected pressure pattern at a specific future time. ... Synoptic weather maps describe the state of the atmosphere over a large area at a given moment.