FTEO31 EETN 091700 TAF EETN 091730Z 0918/1018 21012KT 9999 SCT030CB SCT040 PROB40 TEMPO 0918/0921 TSRA BECMG 0921/0923 18015G25KT PROB40 TEMPO 0922/1004 3000 TSRA SCT008 BKN025CB BECMG 1004/1006 22012G22KT=