000 FTUS46 KMTR 180301 AAA TAFSFO TAF AMD KSFO 180301Z 1803/1906 27012KT P6SM FEW010 FM181000 27002KT 3SM BR BKN010 FM181200 25002KT 1SM BR BKN003 FM181800 03005KT P6SM FEW005 FM182200 28011KT P6SM SCT250=