WSSG31 GOOY 061555 GOOO SIGMET C1 VALID 061600/062000 GOBD- GOOO DAKAR TERRESTRE FIR/UIR EMBD TS OBS AT 1550Z W OF LINE N0952 W00801 - N0712 W00553 - N0618 W00728 TOP FL480 MOV W 12KT INTSF =