WSBZ23 SBGL 181525
SBBS SIGMET 23 VALID 181530/181930 SBBS - SBBS BRASILIA FIR SEV ICE FCST WI S1828 W05308 - S1836 W05302 - S1844 W05254 - S1913 W05228 - S1913 W05227 - S1815 W05047 - S1828 W05308 FL140/230 STNR NC=