FTUS41 KLWX 151120
TAFIAD
TAF
KIAD 151120Z 1512/1618 20003KT P6SM SCT120 BKN250
     FM151400 23008KT P6SM SCT130
     FM151700 22012G18KT P6SM FEW240
     FM152300 20008KT P6SM FEW190
     FM160900 23004KT P6SM BKN250
     FM161400 24007KT P6SM SCT240=