Appendix A: Standard Forecast Abbreviations - Garmin 400 Series Pilot's Manual Addendum

Standard Aviation Forecast Abbreviations
CLR – Sky clear
FEW – Few clouds
BR – Light fog
FZ – Freezing
SCT – Scattered clouds
FG – Thick fog
TS – Thunderstorm
BKN – Broken clouds
DZ – Drizzle
OVC – Overcast clouds
RA – Rain
VV – Vertical Visibility
SN – Snow
'-' – (Light)
Axxxx – Altimeter setting
(xxxx are numbers)
Pxxxx – Hourly Precipitation
(xxxx are numbers)
RMK – Remarks
CIG – Ceiling
'+' – (Heavy)
BLO – Below
'/' – (Missing or separator)
AFT – After
G – Gusts
OBSCD – Obscured
SM – Statue Miles
Trrn – Terrain
KT – Knots
FM – From
SLP – Sea Level Pressure
TEMPO – Occasionally
PRESFR – Pressure falling rapidly
PRESRR – Pressure rising rapidly
Appendix A
Forecast Abbreviations
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