739 
FTUS42 KCHS 171733
TAFCHS
TAF
KCHS 171733Z 1718/1818 18009KT P6SM -SHRA VCTS SCT035CB BKN050
      TEMPO 1718/1719 3SM TSRA OVC030CB
     FM172000 17010KT P6SM SCT035
     FM180300 19005KT P6SM SCT250=