XM WX Weather Features

Atmosphere

The Atmosphere category provides Wind, Pressure, Visibility, Front, and City Condition data. Each feature can be turned on or off, or set to appear at a selected zoom range.

Wind

The Wind feature displays wind speed and wind direction. Wind direction is indicated by a circle with a wind barb. The circle points in the direction of the wind with the barb as a tail. Wind speed is indicated by different flags attached to the barb.

Wind Direction

Calm

5knots

10knots

15knots

20knots

50 knots

20-knot winds blowing to the southwest.

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GDL 30A Owner’s Manual