439 
FTUS41 KLWX 181100 RRA
TAFIAD
TAF
KIAD 181145Z 1812/1918 15008KT P6SM SCT025 OVC030
     FM182100 13010KT 6SM -SHRA OVC015
     FM190200 12008KT 3SM -SHRA BR OVC008
     FM190500 09004KT 2SM -SHRA BR OVC003
     FM191500 10006KT 3SM -SHRA BR OVC008=