000 FTUS41 KBOX 211721 TAFFMH TAF KFMH 211721Z 2118/2218 23012KT P6SM BKN150 FM212100 24010G18KT P6SM OVC150 FM212300 24008KT P6SM BKN200 FM220300 28007KT P6SM BKN250 FM221300 33009KT P6SM FEW250=