000 FTUS44 KMRX 170500 TAFCHA TAF KCHA 170520Z 1706/1806 VRB03KT P6SM BKN150 OVC200 FM170900 VRB03KT P6SM VCSH SCT050CB OVC150 FM171700 18007KT P6SM VCTS SCT050CB OVC150 FM172300 18006KT P6SM VCTS BKN050CB OVC120=