639 
FTUS41 KBOX 122320
TAFBDL
TAF
KBDL 122320Z 1300/1406 00000KT P6SM FEW100
     FM130400 00000KT P6SM SCT025 BKN040
     FM130600 31003KT P6SM BKN025 BKN060
     FM130800 32004KT P6SM SCT070 BKN250
     FM132100 18003KT P6SM SCT250=