Garmin GPSMAP 441 Owner's Manual - Page 78
Viewing Forecast Information, Understanding Fronts
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Using XM WX Weather and Audio Tornado Warning Severe Thunderstorm Warning Flood Warning Flash Flood Warning Understanding Fronts The Fronts show lines indicating the leading edge of an air mass. This feature also shows pressure centers. Cold Front Warm Front Stationary Front Occluded Front Trough Viewing Forecast Information Forecasts show the weather conditions including fronts and precipitation. From the Home screen, select Information > Weather > Forecast. To view the forecast for another time period: 1. From the Home screen, select Information > Weather > Forecast. 2. Press right on the Rocker to select Next. The forecasted weather for the next 12 hours is shown. 3. Select Next again to view forecasts for the next 24, 36, and 48 hours. To view forecast information for another location: Use the Rocker to pan the screen until the screen displays the location you want. 72 Indicates a low-pressure center. A low-pressure center is an area where the measured pressure is lowest relative to the surrounding area. Moving away from a low-pressure center in any horizontal direction results in increased pressure. Winds flow counterclockwise around lowpressure centers in North America. Indicates a high-pressure center. A high-pressure center is an area where the measured pressure is highest relative to the surrounding area. Moving away from a high-pressure center in any horizontal direction results in decreased pressure. Winds flow clockwise around high-pressure centers in North America. GPSMAP 400/500 Series Owner's Manual