****0000000340**** WVEQ31 SEGU 171302 SEFG SIGMET A3 VALID 171302/171902 SEGU- SEFG GUAYAQUIL FIR VA ERUPTION MT SANGAY PSN S0200 W07820 VA CLD OBS AT 1230Z WI S0154 W07849 - S0201 W07820 - S0201 W07819 - S0208 W07849 - S0154 W07849 SFC/FL200 MOV W 20KT FCST AT 1800Z WI S0152 W07858 - S0201 W07819 - S0201 W07819 - S0211 W07857 - S0152 W07858=