899 
FTUS41 KBOX 192321
TAFBOS
TAF
KBOS 192321Z 2000/2106 28012G23KT P6SM SCT045 BKN150
     FM200400 30012KT P6SM FEW250
     FM201900 22004KT P6SM FEW250
     FM202200 19005KT P6SM SCT250
     FM210200 20006KT P6SM BKN150=