****0000000223**** WSAG31 SAME 172153 SAMF SIGMET 3 VALID 172153/172253 SAME- SAMF MENDOZA FIR EMBD TS OBS AT 2153Z WI S3451 W06803 - S3538 W06848 - S3600 W06815 - S3516 W06711 - S3440 W06721 - S3451 W06803 TOP FL330 MOV NE 05KT INTSF=