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WSBZ23 SBGL 171638

SBBS SIGMET 12 VALID 171643/171930 SBBS - SBBS BRASILIA FIR EMBD TS FCST WI S2209 W04815 - S2249 W04720 - S2255 W04607 - S2227 W04529 - S2049 W04412 - S1836 W04333 - S1900 W04528 - S1926 W04505 - S2115 W04521 - S2147 W04757 - S2209 W04815 TOP FL480 STNR NC=