WSBZ23 SBGL 081728
SBAZ SIGMET 74 VALID 081733/081930 SBAZ - SBAZ AMAZONICA FIR EMBD TS FCST WI S0936 W06029 - S1141 W05857 - S1012 W05615 - S0949 W05652 - S0807 W05829 - S0936 W06029 TOP FL450 STNR INTSF=