Subject: FVAG01 SABM 181355 FVAG01 SABM 181355 VOLCANIC ASH ADVISORY ISSUED: 2008 08 18 / 1355Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S4250 W07239 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/0288 INFORMATION SOURCE: WEBCAM DGAC AVIATION COLOR CODE: ERUPTION DETAILS: CONTINUOUS EMISSION OBS ASH DATE/TIME: 18/1300Z OBS ASH CLOUD: VA CLD OBS AT 13:00Z TOP ETI FL080 MOV E FCST ASH CLD + 06HR: 181900Z SFC/FL200 S4245 W07300 - S4245 W07200 - S4300 W07130 - S4330 W07130 - S4330 W07230 - S4300 W07300 - S4245 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 190100Z SFC/FL200 S4230 W07300 - S4230 W07200 - S4300 W07115 - S4315 W07115 - S4315 W07200 - S4300 W07300 - S4230 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 18HR: 190700Z SFC/FL200 S4230 W07300 - S4230 W07215 - S4300 W07200 - S4345 W07115 - S4345 W07200 - S4315 W07300 - S4230 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP NEXT ADVISORY: FURTHER INFORMATION WILL BE ISSUED IF ANY ASH CLD IS DETECTED/OBSERVED REMARKS: WEBCAM DGAC MOV E  .