Subject: FVAG01 SABM 041700 FVAG01 SABM 041700 VOLCANIC ASH ADVISORY ISSUED: 2008 04051700Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S42.833 W72.646 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/012 INFORMATION SOURCE: IR/VIS SATELLITE IMAGERY GOES 12 AVIATION COLOR CODE: RED ERUPTION DETAILS: CONTINUE VA CLD OBS AT 20:56 Z TOP FL300 MOV SE OBS ASH DATE/TIME: 03/20:56 Z FCST ASH CLD + 06HR: 042300Z SFC/FL200 S4400 W06600 ? S4400 W06000 ?S4700 W05500 ? S5000 W05000 ? S5100 W04200 ? S5400 W04100 ? S5200 W05300 ? S4900 W06000 ? S4700 W06300 - S4400 W06600 FL200/350 S4200 W07200 ? S4500 W06500 ? S5000 W05500 ? S5200 W05000 ? S5300 W04100- S5500 W04100 ? S5500 W05000 ? S5200 W05900- S4700 W06300 ? S4500 W06800- S4200 W07200 FL350/550 NO ASH EXP FCST ASH CLD + 12HR: NIL FCST ASH CLD + 18HR: NIL NEXT ADVISORY: FURTHER INFORMATION WILL BE ISSUED IF ANY ASH CLD IS DETECTED/OBSERVED REMARKS: CONTINUE VA CLD IDENTIFIABLE FROM VOLCANO TO SE ON IR/VIS SATELLITE IMAGERY 13:39Z-14:39Z  .