WSSC31 FSIA 250810 FSSS SIGMET 02 VALID 250820/251220 FSIA- FSSS SEYCHELLES FIR EMBD TS FCST WI S0251 E06000 - S0955 E06000 - S0942 E05551 - S0619 E05839 - S0437 E05521 - S0251 E06000 TOP ABV FL390 MOV NW INTSF=