Weather Radio User Manual

PRIMUS
r
880
Digital
W
eather
Radar
System
A28-1146-102-00
Radar Facts
5-12
D Convective thunderstorms become much less reflective above the
freezing level. This reflectivity decreases gradually over the first
5000 to 10,000 feet above the freezing level, as shown in figure
5-10.
AD-35696@
FREEZING LEVEL
Convective Thunderstorms
Figure 5-10
The aircraft in figure 5-10 has a clear radar indication of the
thunderstorm, probably with a shadowin theground returnsbehind
it.
D If the tilt angleshown infigure 5-11 is not altered, thethunderstorm
appears to weaken as the aircraft approaches it.
AD-35697@
FREEZING LEVEL
Unaltered Tilt
Figure 5-11