TAF (Terminal Aerodrome Forecast)
TAF HKNW 041700Z 0418/0518 VRB02KT 9999 SCT020 BKN080 BECMG 0420/0423 VRB02KT -RA BKN018 BKN080 BECMG 0508/0511 23010KT NSW FEW020CB SCT021 BKN080 TEMPO 0513/0517 VRB10KT -TSRA FEW019CB BKN020 BKN080
 
METAR (METeorological Aerodrome Report)