****0000000239**** WSAG31 SABE 172053 SAEF SIGMET A3 VALID 172053/172253 SABE- SAEF EZEIZA FIR EMBD TS OBS AT 2053Z WI S3635 W06513 - S3749 W06509 - S3927 W06200 - S3903 W05931 - S3815 W05956 - S3828 W06137 - S3635 W06513 TOP FL400 MOV E 15KT INTSF=