Stormscope Lightning Detection System; Stormscope Options - Garmin GI 275 Pilot's Manual

Hazard Avoidance

5.3 STORMSCOPE LIGHTNING DETECTION SYSTEM

WARNING: Do not rely on information from a lightning detection system display as
the sole basis for hazardous weather avoidance. Range limitations and interference
may cause the system to display inaccurate or incomplete information. Refer to
documentation from the lightning detection system manufacturer for detailed
information about the system.
When configured with a Stormscope Weather Mapping Sensor, Stormscope lightning
detection information may be displayed on the 'Lightning' Page.
The symbols shown in the following table will be displayed to depict lightning strikes and
cells based on the age of the information.
Strike is less than 6 seconds old
Strike is between 6 and 60 seconds old
Strike is between 1 and 2 minutes old
Strike is between 2 and 3 minutes old

STORMSCOPE OPTIONS

NOTE: When using Stormscope, there are several atmospheric phenomena in addition
to nearby thunderstorms that can cause isolated discharge points in the strike display
mode. However, clusters of two or more discharge points in the strike display mode do
indicate thunderstorm activity if these points reappear after the screen has been cleared.
On the 'Lightning' Page, lightning information can be displayed at the ranges of 25 nm, 50
nm, 100 nm, and 200 nm. The current range is indicated on the Range Button. Range may be
changed by zooming in and out. To change the range, select the Range Button, and then turn
the Inner Knob clockwise to zoom in and decrease the range, or counterclockwise to zoom out
and increase the range.
138
Lightning Age
Lightning Age and Symbols
Garmin GI 275 Pilot's Guide
Symbol
190-02246-01 Rev. A