WVAG01 SABE 032000 SAEF SIGMET 4 VALID 032000/040200 SABE- SAEF EZEIZA FIR VOLCAN CORDON CAULLE S4031 W07212 VA CLD FCST AT 2000Z SFC/FL090 APRX S4031 W07212 - S4158 W06649 - SAZS- S4031 W07212 MOV E 25KT=