000 FTUS44 KMRX 170520 TAFCHA TAF KCHA 170520Z 1706/1806 17005KT P6SM BKN200 FM171400 18009KT P6SM SCT050 BKN150 TEMPO 1717/1720 4SM -TSRA BR OVC050CB FM172000 20009KT P6SM VCSH BKN035 FM172200 VRB04KT P6SM OVC050=