Subject: FVAG01 SABM 272330 FVAG01 SABM 272330 VOLCANIC ASH ADVISORY ISSUED: 2008 08 27 / 2330Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S4250 W07239 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/0299 INFORMATION SOURCE: WEB CAM AVIATION COLOR CODE: ERUPTION DETAILS: CONTINUOUS EMISSION OBS ASH DATE/TIME: 27/1628Z OBS ASH CLOUD: VA CLD OBS TOP ESTIMATED FL100 FCST ASH CLD + 06HR: 280400Z SFC/FL200 S4230 W07230 - S4400 W07000 - S4400 W06400 - S4600 W07400 - S4230 W07230 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 281000Z SFC/FL200 S4300 W07130 - S4300 W06800 - S4400 W06600 - S4400 W06400- S4700 W06100 - S4500 W07400 - S4300 W07130 FL200/350 NIL FL350/550 NIL FCST ASH CLD + 18HR: 281600Z SFC/FL200 S4700 W07200 - S4500 W07000 - S4300 W07000 - S4100 W06900- S4100 W06700 - S4300 W06700 - S4300 W06000 - S4400 W06300 -S4500 W06700 -S4700 W07000 -S4700 W07200 FL200/350 NIL FL350/550 NIL NEXT ADVISORY: 280530Z REMARKS: VA CLD OBSERVED FROM WEB CAM  .