197 WSFJ01 NFFN 100012 NFFF SIGMET 01 VALID 100100/100500 NFFN- NFFF NADI FIR EMBD TS OBS WI S0554 W17836 - S0824 W17454 - S1024 W17612 - S0806 E17848 - S0554 W17836 TOP FL520 STNR NC=