831 
FTUS44 KFWD 172338
TAFAFW
TAF
KAFW 172338Z 1800/1824 34009KT P6SM FEW250
     FM180400 08004KT P6SM FEW250
     FM181100 15006KT 4SM BR SCT006 BKN012
      TEMPO 1811/1814 2SM BR BKN006
     FM181500 18017KT P6SM SCT015 BKN250=