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WEATHER DISPLAY INTERPRETATION
WARNING
CAUTION
INTRODUCTION
The examples in this chapter are designed to help you relate the
cell or strike patterns shown on your MFD to the size and location
of thunderstorms that may be near your aircraft. A blue and white
grid in the examples represents the airspace around your aircraft.
(See figure 4-1.) Each square in the grid represents a 100 by 100
nmi area. A circle represents the area monitored by your WX-500.
Areas of gray or black indicate thunderstorms. The darker the area,
the greater the rate of electrical discharge activity. The WX-500
detects electrical discharges and sends the processed information to
the MFD which may display the discharges as cells or independent
strikes. The examples in this chapter include screen patterns to
represent both cell and strike displays.
Stormscope
WX-500 User's Guide
®
Never use your Stormscope system to attempt to
penetrate a thunderstorm. The FAA Advisory Circular,
Subject: Thunderstorms, and the Airman's Information
Manual (AIM) recommend that you "avoid by at least
20 miles any thunderstorm identified as severe or
giving an intense radar echo."
There are several atmospheric phenomena other
than nearby thunderstorms which can cause isolated
discharge points in the strike display mode. Clusters
of two or more discharge points in the strike display
mode however do indicate thunderstorm activity
when they reappear after clearing the screen. Avoid
the clusters and you'll avoid the thunderstorms. In
the cell display mode, even a single discharge point
may represent thunderstorm activity and should be
avoided.
CHAPTER 4
4-1
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