Visibility - Garmin GXM 30 Owner's Manual

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EATHER EATURES ISIBILITY

Visibility

Visibility is the forecast maximum horizontal distance that can be seen at the surface. Contour lines on the Visibility feature show
the forecasted change in surface visibility. In the example below, visibility ranges from 1 miles to 4.5 miles.
Visibility Contour Lines
This image displays NEXRAD Radar, Satellite
Mosaic, and Visibility. Displaying multiple
features may help to provide a clearer picture
of the weather conditions in the area.
15 GXM 30 XM Radio Smart Antenna Owner's Manual