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Showing an Animated Radar Loop

You can view precipitation information as an image of the latest update or as

an animated loop of the latest updates.

From the Home screen, select Information > Weather > Precipitation >

MeNU > NeXRAD Loop > on.

The time stamp in the upper-left corner of the screen indicates the

elapsed time since the service provider generated the weather radar frame

currently displayed on the screen.

Showing Cloud Cover

Cloud cover can be shown or hidden. XM weather data provides the height

of the cloud tops.

Cellular weather displays clouds based on cloud-top temperatures as detected

by infrared satellites. Deeper shades of gray represent colder clouds often

found with cirrus or thunderstorm clouds. Lighter shades or lack of shading

indicate warmer clouds usually associated with stratus or fog.

From the Home screen, select Information > Weather > Precipitation >

MeNU > Cloud Cover > Show.

Switching Weather Charts

You can change from one type of weather chart to a different chart.

1. From the Home screen, select Information > Weather.

2. Select a weather chart.

3. Select MeNU > Change Weather.

4. Select a different weather chart.

GPSMAP 400/500 Series Weather Supplement

Note: Storm cell information is available only if you are receiving XM

WX Satellite Weather data. It is not available if you are receiving only

cellular weather data.

Storm cell icons

on the weather Precipitation chart indicate both the

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present position of a storm and the projected path of that storm in the

immediate future.

Red cones

appear with a storm cell icon, and the widest part of each cone

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points in the direction of the projected path of the storm cell. The red lines

in each cone indicate where the storm will most likely be in the near future.

Each line represents 15 minutes.

XM WX Satellite Weather and Cellular Weather

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