WSBZ23 SBGL 171525
SBBS SIGMET 4 VALID 171530/171930 SBBS - SBBS BRASILIA FIR SEV TURB FCST WI S1903 W05237 - S2020 W05127 - S2220 W04955 - S2245 W04839 - S2100 W04534 - S1703 W04415 - S1116 W04749 - S1108 W05045 - S1651 W05043 - S1903 W05237 FL270/390 STNR NC=