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