Subject: FVAG01 SABM 040400 FVAG01 SABM 040400 VOLCANIC ASH ADVISORY ISSUED: 2008 0704/0400Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S42.50 W72.39 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/227 INFORMATION SOURCE: SIGMET AVIATION COLOR CODE: ERUPTION DETAILS: CONTINUOUS EMISSION OBS ASH DATE/TIME: 03/1339Z OBS ASH CLOUD: VA CLD OBS AT 1339Z TOP ETI 100 MOV SE FCST ASH CLD + 06HR: 040700Z SFC/FL200 S4200 W07300 ? S4330 W07000 ? S4330 W06700 ? S4300 W06600 ? S4400 W06600 ? S4515 W06700 ? S4515 W07100 ? S4300 W07300 ? S4200 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 041300Z SFC/FL200 S4200 W07300 ? S4200 W07000 ? S4300 W06700 ? S4500 W06600 ? S4515 W06300 ? S4700 W06400 ? S4650 W06700 ? S4500 W07100 ? S4300 W07300 ? S4200 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 18HR: NIL NEXT ADVISORY: 041000Z REMARKS: VA CLD NOT IDENTIFIABLE ON SATELLITE IMAGERY  .