WSBZ23 SBGL 201620 SBAO SIGMET 33 VALID 201625/201930 SBAO - SBAO ATLANTICO FIR SEV ICE FCST WI S3356 W03900 - S3527 W03734 - S3536 W03502 - S3541 W02956 - S3444 W03043 - S3247 W03238 - S3257 W03340 - S3257 W03340 - S3356 W03900 FL110/180 MOV NE 10KT NC=