WSBZ23 SBGL 191811
SBBS SIGMET 31 VALID 191816/191930 SBBS - SBBS BRASILIA FIR EMBD TS FCST WI S2021 W04753 - S2021 W04753 - S2016 W04740 - S2020 W04739 - S1958 W04547 - S2121 W04539 - S2121 W04539 - S2058 W04541 - S2017 W04425 - S1907 W04521 - S1913 W04639 - S1939 W04614 - S2021 W04753 TOP FL450 STNR NC=