WVAG31 SACO 200139
SAMF SIGMET 1 VALID 200139/200739 SACO-
SAMF MENDOZA FIR VA ERUPTION MT UNKNOWN PSN
VA CLD OBS AT 0050Z WI S3526 W07025 - S3616 W06820 - S3647 W06819 -
S3540 W07023 - S3526 W07025 MOV SE 50KT
VA CLD FCST AT 0650Z WI 20/0650Z SFC/FL120 S3528 W07023 - S3617 
W06819 - S3638 W06800 - S3648 W06817 - S3538 W07023 - S3528 W07023 
SFC/FL120=