000 FTUS41 KPBZ 172320 TAFPIT TAF KPIT 172320Z 1800/1906 30013G20KT P6SM BKN050 FM180700 28008KT P6SM SCT050 FM181300 28011G18KT P6SM OVC040 FM181800 27012KT 6SM -SN BKN040 FM190100 28006KT P6SM BKN040=