Storm Cell and Lightning Information
Storm cell are represented by the
icon on the weather precipitation chart. They indicate both the 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 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.
Lightning strikes are represented by the icon. Lightning appears on the weather precipitation chart if strikes
were detected within the last seven minutes. The ground-based lightning detection network detects cloud-to-
ground lightning only.
NOTE: This feature is not available on all devices and in all subscriptions.
Hurricane Information
The weather Precipitation chart can show the present position of a hurricane , a tropical storm, or a tropical
depression. A red line stemming from a hurricane icon indicates the projected path of the hurricane. Darkened
dots on the red line indicate the projected locations through which the hurricane will pass, as received from the
weather data provider.
Forecast Information
The Forecast chart shows city forecasts, marine forecasts, warnings, hurricane warnings, METARS, county
warnings, weather fronts and pressure centers, surface pressure, and weather buoys.
Viewing a Marine Forecast or an Offshore Forecast
1 Select Charts > Forecast.
2 Pan the chart to an offshore location.
The Marine Forecast or Offshore Forecast options appear when forecast information is available.
3 Select Marine Forecast or Offshore Forecast.
Viewing Forecast Information for Another Time Period
1 Select Charts > Forecast.
2 Select an option:
• To view the weather forecast for the next 48 hours, in 12-hour increments, select
multiple times.
• To view the weather forecast for the previous 48 hours, in 12-hour increments, select
multiple times.
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SiriusXM Weather
Summary of Contents for GPSMAP 86 Series
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