Garmin GPS 500 - Manual (Page 224)

GPS 500 Pilot’s Guide and Reference 12-36
SECTION 12
ADDITIONAL FEATURES
METAR Graphics
The age symbols listed in Table 12-13 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 12-13 Weather Age Graphics
METARs
Precipitation Graphics
Light
(Green)
Moderate
(Green)
Heavy
(Yellow)
No
Precipitation
Rain
Snow
Unknown
Table 12-14 Precipitation Graphics
Ceiling and Visibility - Flight Rules
VFR Marginal
VFR
IFR Low IFR
Table 12-15 Ceiling and Visibility Graphics
The symbol in Figure 12-47 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 12-47 METAR Symbol
190-00181-60 Rev. G