Weather Warnings and Weather Bulletins
When a marine weather warning, weather watch, weather advisory, weather bulletin, or other weather statement
is issued, shading indicates the area to which the information applies. The aqua lines on the chart indicate the
boundaries of marine forecasts, coastal forecasts, and offshore forecasts. Weather bulletins may consist of
either weather watches or weather advisories.
To view information about the warning or bulletin, select the shaded area.
Color
Marine Weather Group
Cyan
Flash Flood
Blue
Flood
Red
Marine
Yellow
Severe Storm
Red
Tornado
Changing the Weather Chart
1 From a combination screen or SmartMode layout with a weather chart, select Menu > Weather Menu >
Change Weather.
2 Select a weather chart.
Viewing Precipitation Information
Precipitation ranging from very light rain and snow, up to strong thunderstorms, is indicated in varying shades
and colors. Precipitation is shown either independently or with other weather information.
Select Charts > Precipitation.
The time stamp in the upper-left corner of the screen indicates the elapsed time since the weather data
provider last updated the information.
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.
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SiriusXM Weather
