Cells Ahead As Displayed On Indicator - Honeywell Primus 880 Pilot's Manual

PRIMUSr 880 Digital Weather Radar System
AIRCRAFT HEADING
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Positional Relationship of an Airplane and
Storm Cells Ahead as Displayed on Indicator
Figure 5- 1
The drawing is laid out to simulate the face of the indicator with the
semicircular range marks. To derive a clearer concept of the picture that
the indicator presents, imagine that the storm is a loaf of sliced bread
standing on end. From a point close to the surface of earth, it towers
to a high- altitude summit. Without upsetting the loaf of bread, the radar
removes a single slice from the middle of the loaf, and places this slice
flat upon the table. Looking at the slice of bread from directly above, a
cross section of the loaf can be seen in its broadest dimension. In the
same manner, the radar beam literally slices out a horizontal cross
section of the storm and displays it as though the viewer was looking
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Radar Facts
5-2