WVCH31 SCFA 241332
SCFZ SIGMET 01 VALID 241332/241932 SCFA-
SCFZ ANTOFAGASTA FIR VA ERUPTION MT SABANCAYA PSN S1547 W07150 VA CLD
 OBS AT 1300Z WI S1738 W07102 - S1757 W07040 - S1759 W07123 - S1748
W07140 - S1738 W07102 TOP FL250 MOV SE 20KT NC FCST 1900Z VA CLD APRX
 SFC/FL250 S1835 W07020 - S1838 W06953 - S1853 W06938 - S1850 W07003
- S1835 W07020=