XM WX Weather Features

Visibility

Visibility is the maximum horizontal distance that can be seen. Isobars on the Visibility feature show a change in visibility. Distance can be displayed in nautical miles (nm), miles (mi.), or kilometers (km). See the chartplotter’s Owner’s Manual for more information on configuring units of measure. In the example below, visibility ranges from 0.5 nautical miles to 3 nautical miles.

This image shows NEXRAD, Cloud Tops, and Visibility. Displaying multiple features may help to provide a clearer picture of the weather conditions in the area.

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GDL 30A Owner’s Manual