****0000000216**** WSSG31 GOOY 221704 GOOO SIGMET B3 VALID 221710/222110 GOBD- GOOO DAKAR OCEANIC FIR/UIR EMBD TS OBS AT 1700Z WI N0436 W01201 - N0018 W02504 - N0317 W02839 - N0554 W01335 - N0436 W01201 TOP FL480 STNR INTSF=