WVAG31 SAVC 232346 SAVF SIGMET D1 VALID 232346/240346 SAVC- SAVF COMODORO RIVADAVIA FIR VA ERUPTION MT PUYEHUE CORDON CAULLE PSN S4035 W07207 VA CLD FCST AT 0430Z WI S4034 W07207 - S4108 W06856 - S4138 W06912 - S4128 W07010 - S4036 W07213 - S4034 W07207 SFC/FL090=