000 FTUS41 KLWX 170858 AAA TAFIAD TAF AMD KIAD 170858Z 1709/1812 17007KT P6SM OVC150 FM171400 14007KT P6SM -SHRA OVC040 FM171900 16007KT P6SM VCSH OVC040 FM172200 16006KT P6SM -SHRA OVC025 FM180300 16005KT P6SM OVC025 FM180900 30004KT P6SM FEW025 SCT150=