Garmin GXM 30A - Manual (Page 23)

GXM 30A XM Radio Smart Antenna Owner’s Manual 
County Warnings
When the National Weather Service issues a weather warning for a county, the county is highlighted with the color corresponding to
the warning. To view information about the warning, select the county with the map pointer. For more detail, press ENTER.
Tornado Warning
Severe Thunderstorm Warning
Flood Warning
Flash Flood Warning
Severe Thunderstorm Warning
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ounty
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