WVAG31 SAME 181537
SAMF SIGMET 3 VALID 181537/182137 SAME-
SAMF MENDOZA FIR VA ERUPTION MT NEVADOS DE CHILLAN  PSN S3651 W07122
VA CLD OBS AT 1450Z WI S3649 W07122 - S3708 W07110 - S3711 W07123 -
S3649 W07122 SFC/FL120 MOV S 10 KT
VA CLD FCST AT 2050Z WI S3650 W07122 - S3721 W07106 - S3725 W07120 - 
S3650 W07122 SFC/FL120=