WSBZ23 SBGL 171925
SBAO SIGMET 28 VALID 171930/172330 SBAO - SBAO ATLANTICO FIR SEV TURB FCST WI S2931 W04602 - S2957 W04005 - S2818 W03607 - S2711 W03501 - S2634 W03550 - S2701 W03830 - S2737 W03949 - S2727 W04201 - S2700 W04357 - S2930 W04601 - S2931 W04602 FL300/390 STNR NC=