WEATHER AND METEOROLOGY Petr Jedlička

WEATHER WEATHER AERODROME WEATHER AERODROME WEATHER ABREVIATIONS ABREVIATIONS

WEATHER Is the state of the atmosphere, at precise time and given position. It is given by observed atmospheric phenomena such as temperature, moisture, wind, barometric pressure, clouds,… Is the state of the atmosphere, at precise time and given position. It is given by observed atmospheric phenomena such as temperature, moisture, wind, barometric pressure, clouds,… Meteorology – is a science studying atmosphere Meteorology – is a science studying atmosphere

Temperature Dewpoint Dewpoint °C °C

Wind Movement of the air mass Movement of the air mass direction/speed direction/speed Gust, wind shear, squall (line) Gust, wind shear, squall (line) Head-, cross-, tailwind Head-, cross-, tailwind

Clouds Low level Low level –stratus Medium level Medium level –alto high level high level –Cirrus Cb Cb

Pressure QNH QNH QFE QFE Standard atmospheric pressure Standard atmospheric pressure hPa, Torr hPa, Torr

Aerodrome weather METAR METAR –METAR LKCV Z 13010KT 9999 OVC020 02/M02 Q1013 NOSIG= TAF TAF –TAF LKCV Z 3018/ KT 7000 OVC017 BECMG 3019/ G35KT PROB30 TEMPO 3106/ G45KT PROB30 TEMPO 3109/ RA BR OVC015= SPECI SPECI

Abbreviations BECMG, BLSN, DZ, DU, BCFG, FZRA, GR, HZ, HVY SHSN, ICE, BR, RERA, SH, FU, TS, HVY TSGRRA BECMG, BLSN, DZ, DU, BCFG, FZRA, GR, HZ, HVY SHSN, ICE, BR, RERA, SH, FU, TS, HVY TSGRRA PRECIPITATION PRECIPITATION WIND SHEAR WIND SHEAR ICING ICING

Sources: Sources: L-3 L-3 Presentation Presentation