****0000000181**** WSSG31 GOOY 230814 GOOO SIGMET C2 VALID 230815/231215 GOBD- GOOO DAKAR TERRESTRE FIR/UIR EMBD TS OBS AT 0805Z S OF LINE N0157 W00723 - N0331 W00303 TOP FL500 MOV W 25KT INTSF=