WSBZ23 SBGL 191831
SBBS SIGMET 27 VALID 191836/191930 SBBS - SBBS BRASILIA FIR EMBD TS FCST WI S1207 W04749 - S1425 W04601 - S1607 W04441 - S1535 W04408 - S1538 W04406 - S1320 W04534 - S1200 W04654 - S1117 W04705 - S1207 W04749 TOP FL470 MOV NE 20KT INTSF=