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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
