Subject: FVAG01 SABM 132305 FVAG01 SABM 132305 VOLCANIC ASH ADVISORY ISSUED: 2008 08 13 / 2305Z VAAC: BUENOS AIRES VOLCANO: CHAITEN 1508-41 LOCATION: S4250 W07239 AREA: CHILE-S SUMMIT ELEVATION: 962M ADVISORY NUMBER: 2008/0283 INFORMATION SOURCE: SATELLITE IMAGERY NOAA 17 AT 1338UTC WEBCAM DGAC AVIATION COLOR CODE: ERUPTION DETAILS: CONTINUOUS EMISSION OBS ASH DATE/TIME: 13/1338Z OBS ASH CLOUD: VA CLD OBS AT 13:38Z TOP FL140 MOV E FCST ASH CLD + 06HR: 140200Z SFC/FL200 S4200 W07300 - S4200 W06900 - S4300 W06900 - S4400 W07300 - S4200 W0730 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 140800Z SFC/FL200 S4200 W07300 - S4200 W06600 - S4300 W06900 - S4430 W07000 - S4400 W07300 - S4200 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 18HR: 141400Z SFC/FL200 S4200 W07300 - S4230 W06800 - S4300 W06400 - S4500 W06600 - S4400 W07200 - S4200 W07300 FL200/350 NO ASH EXP FL350/550 NO ASH EXP NEXT ADVISORY: 14/0505Z REMARKS:VA CLD IDENTIFIABLE FROM SATELLITE IMAGERY NOAA 17 VA CLD IDENTIFIABLE FROM WEBCAM DGAC  .