WSBZ23 SBGL 171925
SBAO SIGMET 55 VALID 171930/172330 SBAO - SBAO ATLANTICO FIR EMBD TS FCST WI S3036 W02858 - S3339 W02829 - S3343 W02548 - S3045 W02550 - S3036 W02858 TOP FL450 MOV E 20KT NC=