****0000000210**** WSSG31 GOOY 230004 GOOO SIGMET B1 VALID 230005/230405 GOBD- GOOO DAKAR TERRESTRE FIR/UIR EMBD TS OBS AT 2355Z E OF LINE N0557 W00308 - N0554 W00602 - N1005 W00531 - N1002 W00248 TOP FL470 MOV W 12KT NC=