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STRIKE FINDER
Cell Smear
Cell smear is the apparent elongation of a cell in the direction of aircraft
movement. This effect is a result of the aircraft's motion relative to the storm,
and the persistence of dots plotted on the Strike Finder display. For
example, Figure 29 shows the display depicting a cell at the 3:00 position.
As the aircraft moves, the relative position of the cell changes to the 4:00
position. Dot persistence causes strikes at the 3:00 position to remain visible,
while new dots are plotted at 4:00.
Figure 29. Cell Smear
Cell smear is most apparent with fast aircraft passing a very active storm
at close range.
Smearing has no affect on storm detection and avoidance.
PILOT'S
GUIDE
DIGITAL WEATHER AVOIDANCE
35
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