Garmin 400/500 Owner's Manual page 68

Using XM WX Weather and Audio
To view weather options, press MENU.
• Change weather—displays other weather options. Select
weather Subscription
to view your subscription information.
• Cloud Cover—shows or hides the display of cloud cover.
• NEXRad Loop—displays NEXRAD information as an
animated loop of the latest updates.
• waypoints—shows or hides waypoints. Select
Only
to display only waypoints that are along the route being
navigated.
Understanding Storm Cell Information
The storm cells show storms as well as the projected path of the
storm in the immediate future.
The direction of the red cone indicates the projected path of the
storm cell. The red bars that appear in the cone indicate where
the storm will most likely be in the future. Each bar represents 15
minutes.
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Understanding Lightning Information
Lightning strikes are represented by lightning bolt icons. Lightning
appears on the map if strikes were detected within the last seven
minutes. The ground-based lightning detection network only detects
cloud-to-ground lightning.
Storm cell
Lightning
GPSMAP 400/500 Series Owner's Manual