592 
FTUS42 KJAX 170520
TAFGNV
TAF
KGNV 170520Z 1706/1806 08006KT P6SM SCT250
     FM170800 VRB02KT P6SM FEW020 BKN250
     FM172000 08007KT P6SM SCT060 SCT250
     FM180500 24003KT P6SM FEW030 SCT120 BKN250=