WSBZ23 SBGL 081925 SBAO SIGMET 34 VALID 081930/082330 SBAO - SBAO ATLANTICO FIR EMBD TS FCST WI S0057 W04248 - S0136 W04139 - S0013 W04111 - N0013 W04213 - S0057 W04248 TOP FL450 MOV W 20KT NC=