Subject: FVAG01 SABM 181730 CCA FVAG01 SABM 181730 CCA VOLCANIC ASH ADVISORY ISSUED: 20080718/1730Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S4250 W07239 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/0240 INFORMATION SOURCE: GOES 12 SATELLITE IMAGERY AVIATION COLOR CODE: ERUPTION DETAILS: CONTINUOUS EMISSION OBS ASH DATE/TIME: 18/0739Z OBS ASH CLOUD: VA CLD OBS AT 0739Z TOP ETI FL120 MOV ENE 30KT FCST ASH CLD + 06HR: 182000Z SFC/FL200 S4100 W06800 - S4300 W07300 - S4200 W07300 - S4030 W06900 - S4100 W06800 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 190200Z SFC/FL200 S4010 W06730 - S4230 W07140 - S4300 W07300 - S4100 W07300 - S4010 W06730 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 18HR: NIL FL200/350 NO ASH EXP FL350/550 NO ASH EXP NEXT ADVISORY: 18/2330 REMARKS: ASH CLD INDENTIFIABLE FROM GOES 12 IMAGERY. AT 1709Z THE PLUME EXTENDS 100KM TO THE NE OF THE VOLCANO MOV NE AT 30KT  .