****0000000219**** WSAG31 SACO 240821 SAMF SIGMET 3 VALID 240821/241021 SACO- SAMF MENDOZA FIR EMBD TS OBS AT 0821Z WI S3256 W06454 - S3339 W06606 - S3545 W06450 - S3343 W06435 - S3311 W06442 - S3256 W06454 TOP FL340 MOV E 05KT NC=