Subject: FVAG01 SABM 151455


FVAG01 SABM 151455                                              2009288 1504
VA ADVISORY
DTG: 20091015/1455Z
VAAC: BUENOS AIRES
VOLCANO: CHAITEN 1508-41
PSN: S4250 W07239
AREA: CHILE-S
SUMMIT ELEVATION: 962M
ADVISORY NUMBER: 2009/162
INFORMATION SOURCE: GOES 12 AND WEBCAM DGAC
ERUPTION DETAILS: CONTINUOUS EMISSION
OBS ASH DATE/TIME:  15/1300Z
OBS ASH CLOUD:  TOP FL070 5 KM WIDE LINE BETWEEN S4250 W07239 - S4259
 W07242
MOV SW
FCST ASH CLD + 06HR: 151900Z SFC/FL200 S4230 W07300 - S4230 W07220 -
S4300 W07240 - S4330 W07300 - S4320 W07310 - S4300 W07310 - S4230
 W07300
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 12HR: 160100Z SFC/FL200 S4230 W07210 - S4330 W07210 -
S4330 W07250 -  S4230 W07250 - S4230 W07210
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 18HR: 16/0700Z LOW CONFIDENCE IN THE FCST
REMARKS: 13:39 Z VIS IMAGE REVEALS A THIN PLUME EXTENDING 15 KM TO
 THE SW OF
THE VOLCANO. LOW CONFIDENCE IN THE FCST AFTER + 12 HS
NEXT ADVISORY:  15/2055Z