11-10
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Weather
Block Area Is 4
km
2
(2.15 NM
2
)
Block Area Is 4
km
2
(2.15 NM
2
)
Figure 11-12 NEXRAD Data Blocks
The following may cause abnormalities in displayed NEXRAD radar images:
• Ground clutter
• Strobes and spurious radar data
• Sun strobes (when the radar antenna points directly at the sun)
• Interference from buildings or mountains, which may cause shadows
• Metallic dust from military aircraft, which can cause alterations in radar
scans
NEXRAD Limitations (Canada)
• Radar coverage extends to 55ºN.
• Any precipitation displayed between 52ºN and 55ºN is displayed as
mixed because it is unknown.
Precipitation
Above 52
°
N
Figure 11-13 NEXRAD Data - Canada
Summary of Contents for GTN 625
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