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GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. H
14-36
SECTION 14
ADDITIONAL FEATURES
METAR Graphics
The age symbols listed in Table 14-13 are common to
METARs, Winds, and Temperature/Dewpoint graphics:
METAR, Winds, and Temperature/Dewpoints Age
Graphics
0 - 10
minutes
(Green)
11 - 20
minutes
(Green)
21 - 30
minutes
(Green)
31 - 60
minutes
(Green)
61+
minutes
(Yellow)
Unknown
(Yellow)
Table 14-13 Weather Age Graphics
METARs
Precipitation Graphics
Light
(Green)
Moderate
(Green)
Heavy
(Yellow)
No
Precipitation
Rain
Snow
Unknown
Table 14-14 Precipitation Graphics
Ceiling and Visibility - Flight Rules
VFR Marginal
VFR
IFR Low IFR
Table 14-15 Ceiling and Visibility Graphics
The symbol in Figure 14-47 indicates the ceiling at
KMWM is marginal VFR, with heavy snow and low IFR
visibility. The data age is 31-60 minutes old.
Ceiling
Precipitation
Visibility
Station Identifier
Data Age
Figure 14-47 METAR Symbol