Garmin GNS 530 Pilot's Manual And Reference page 230

SECTION 14
ADDITIONAL FEATURES
NEXRAD Intensity
Display
GDL 49 GDL 69
NOTE: The information presented in this Pilot's Guide regarding NEXRAD is not meant to be comprehensive.
The NOAA website (www.noaa.gov) contains complete and detailed information regarding NEXRAD weather
radar operation and theory.
14-14
dBZ Rain Snow
(inches/hour) (inches/hour)
<-10 .00 .00
-10 .00 .00
-5 .00 trace
0 .00 trace - .05
5 .00 trace - .10
10 0 – trace .10
15 .01 .1-.2
20 .02 .2-.3
25 .05 .3-.5
30 .09 .5-.7
35 .24 .7-1.0
40 .48 >1 or sleet
45 1.25 >1 or sleet
50 2.5 sleet
55 5.7 sleet
60 12.7
65
70
75
Table 14-3 NEXRAD Intensity Colors
GNS 530(A) Pilot's Guide and Reference
Source of NEXRAD Echo
Atmos Cloud Rain
√
√ √
√ √
√ √
√ √
√ √
Light
Light
Light
Light
Light – Moderate
Moderate
Heavy
Heavy
Intense
Extreme
Extreme
Extreme
Snow Sleet Hail
Very Light
Light
Light
Light
Light
Light – Medium
Moderate
√
Heavy
√
Heavy
√
Heavy
√ √
√ √
√
√
Large
Large
190-00181-00 Rev. G