Standard abbreviations used in aviation forecasts. 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 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 Axxxx Altimeter setting (xxxx are numbers) Pxxxx Hourly Precipitation (xxxx are numbers) PRESFR Pressure falling rapidly PRESRR Pressure rising rapidly RMK Remarks
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