Subject: FVAG01 SABM 181945


FVAG01 SABM 181945                                              2009230 1956
VA ADVISORY
DTG: 20090818/1945Z
VAAC: BUENOS AIRES
VOLCANO: CHAITEN 1508-41
PSN: S4250 W07239
AREA: CHILE-S
SUMMIT ELEVATION: 962M
ADVISORY NUMBER: 2009/127
INFORMATION SOURCE: GOES 12 SATELLITE IMAGERY AND WEBCAM
ERUPTION DETAILS: CONTINUOUS EMISSION
OBS ASH DATE/TIME:  18/1800Z
OBS ASH CLOUD:  TOP FL060 S4250 W07239 S4322 W07234 S4315 W07211
 S4250 W07239 MOV SE 10KTS
FCST ASH CLD + 06HR: 14/00Z
SFC/FL200 S4250 W07239 S4250 W07330 S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 12HR: 14/0600Z
SFC/FL200 S4250 W07239 S4300 W07350 S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 18HR: 14/1200Z
SFC/FL200 S4250 W07239 S4310 W07350 S4310 W07239 S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
REMARKS: 1745UTC VIS IMAGE REVEALS A PLUME EXTENDING 40KM TO THE SE
 OF THE VOLCANO
NEXT ADVISORY: WILL BE ISSUED BY 20090819/0145Z