FTSA31 KWBC 180509 TAF TAF SOCA 180500Z 1806/1906 VRB03KT CAVOK PROB30 TEMPO 1808/1811 4000 SHRA SCT020TCU BECMG 1814/1816 07010KT PROB40 TEMPO 1817/1820 SCT030TCU BECMG 1822/1824 VRB03KT=