Garmin GXM 40 - Manual (Page 11)

GXM 40 Owner’s Manual 
XM WX Weather Features
METAR
A METAR or METeorological aeronautical report is an international code used for reporting weather observations. If
METAR data is available for an airport, a color-coded flag is shown next to the airport. To view the METAR data, select the
flag with the map pointer.
METAR Selected With Map Pointer
METAR Detailed Information
Marginal VFR (ceiling 1000–3000 ft. AGL
and/or visibility three to five miles)
IFR (ceiling 500 to below 1000 ft. AGL and/or
visibility one mile to less than three miles)
Low IFR (ceiling below 500 ft. AGL or visibility
less than one mile)
VFR (ceiling greater than 3000 ft. AGL and
visibility greater than five miles)
Undetermined
METAR Selected With Map Pointer
METAR Detailed Information
Marginal VFR (ceiling 1000–3000 ft. AGL
and/or visibility three to five miles)
IFR (ceiling 500 to below 1000 ft. AGL and/or
visibility one mile to less than three miles)
Low IFR (ceiling below 500 ft. AGL or visibility
less than one mile)
VFR (ceiling greater than 3000 ft. AGL and
visibility greater than five miles)
Undetermined