190-01717-10 Rev. H
Pilot’s Guide
5-9
Weather Awareness
5.4
Precipitation
5.4.1
NEXRAD
WARNING
NEVER USE NEXRAD WEATHER FOR MANEUVERING IN, NEAR, OR
AROUND AREAS OF HAZARDOUS WEATHER. NEXRAD IMAGES ARE
SNAPSHOTS OF PAST WEATHER DATA. THEY ARE NOT SAFE FOR USE
AS REAL TIME DEPICTIONS OF NEARBY WEATHER ACTIVITY.
NEXRAD weather radar displays a mosaic of precipitation data, colored according to
reflectivity. Composite reflectivity images depict the highest radar energy received
from multiple antenna tilt angles at various altitudes. Base reflectivity images depict
radar returns from the lowest antenna tilt angle.
The precipitation intensity level reflected by each pixel represents the highest level of
composite radar reflectivity data sampled in that location
.
A clear understanding of ground-based Doppler weather radar capabilities will allow
you to interpret the NEXRAD weather imagery in the safest way possible. The
National Oceanic and Atmospheric Administration hosts a description of the
technology on its website:
https://www.weather.gov/jetstream/doppler_intro
AVAILABLE WITH:
FIS-B | SIRIUSXM | CONNEXT
Summary of Contents for G500
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Page 118: ...2 8 Pilot s Guide 190 01717 10 Rev H Primary Flight Display Reference Controls Menu Options ...
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Page 272: ...5 28 Pilot s Guide 190 01717 10 Rev H Weather Awareness 5 23 1 SiriusXM Weather Setup ...
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