Owner's Manual
Table Of Contents
- GXM 30 Owner's Manual
- Introduction
- Getting Started
- XM WX Weather Features
- Displaying Weather Information
- NEXRAD Radar
- Satellite Mosaic
- Lightning
- Storm Cells
- Hurricanes
- Surface Winds
- Winds Aloft
- Surface Pressure
- Fronts
- Visibility
- County Warnings
- Water Temperature
- Wave Period
- Wave Direction
- Wave Height
- Marine Warnings
- Buoy Reports
- METAR
- AIRMET
- SIGMET
- TFR
- Echo Tops
- Freezing Level
- Forecast
- TAF
- XM Radio
- Appendix
GXM 30 XM Radio Smart Antenna Owner’s Manual 8
Lightning
Lightning strikes are represented by lightning bolt icons, as shown in the images below. 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.
XM WEATHER FEATURES > LIGHTNING
Lightning bolts indicate a
cloud-to-ground lightning
strike.