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12 GDL 30A Owner’s Manual
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 ags attached to the barb.
Wind Direction
Calm
5 knots
10 knots
15 knots
20 knots
50 knots
20-knot winds blowing to the southwest.
XM WX Weather Features