Subject: FVAG01 SABM 281915


FVAG01 SABM 281915                                              2009271 1923
VA ADVISORY
DTG: 20090928/1915Z
VAAC: BUENOS AIRES
VOLCANO: CHAITEN 1508-41
PSN: S4250 W07239
AREA: CHILE-S
SUMMIT ELEVATION: 962M
ADVISORY NUMBER: 2009/154
INFORMATION SOURCE: GOES 12 VIS SATELLITE IMAGERY AND WEBCAM
ERUPTION DETAILS: CONTINUOUS EMISSION
OBS ASH DATE/TIME:  28/1909Z GOES 12 VIS SATELLITE IMAGERY AND WEBCAM
OBS ASH CLOUD:  TOP FL080 MOV SW
FCST ASH CLD + 06HR: 29/0115Z SFC/FL200 NO ASH EXP
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 12HR: 29/0715Z SFC/FL200 NO ASH EXP
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 18HR:29/1515Z SFC/FL200 NO ASH EXP
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
REMARKS: 1909Z VIS IMAGERY REVEALS A THIN AND 02 NM WIDE ASH PLUME
 EXTENDING SW
OF THE VOLCANO TO 10NM
THE PLUME OF VA IS VERY LIGTH AND COULD BE MIXED WITH STEAM AND
 GASES. ASH IS
EXP TO DISSIPATE QUICKLY.
NEXT ADVISORY: 29/0115Z