WSSC20 FSIA 051900
FSSS SIGMET  03 VALID 052000/052400 FSIA-
FSSS SEYCHELLES FIR ISOL EMBD CB/TS OBS/FCST WI S0152 E05912- S0110
E05703- S0032 E05836- S0624 E05002. TOPS FL420 NC=