WSBZ23 SBGL 181725
SBAZ SIGMET 18 VALID 181730/181930 SBAZ - SBAZ AMAZONICA FIR EMBD TS FCST  WI S0214 W04717 - S0016 W04717 - S0016 W04521 - S0214 W04521 - S0214 W04717 TOP FL490 STNR INTSF=