Subject: FVAG01 SABM 191430


FVAG01 SABM 191430                                              2009231 1432
VA ADVISORY
DTG: 20090819/1430Z
VAAC: BUENOS AIRES
VOLCANO: CHAITEN 1508-41
PSN: S4250 W07239
AREA: CHILE-S
SUMMIT ELEVATION: 962M
ADVISORY NUMBER: 2009/129
INFORMATION SOURCE: WEBCAM DGAC
ERUPTION DETAILS:CONTINUOS EMISSION
OBS ASH DATE/TIME: 19/1200Z
OBS ASH CLOUD:  VA NOT IDENTIFIABLE FROM SATELLITE DATA
FCST ASH CLD + 06HR: 19/1800Z SFC/FL080 S4250 W07239 - S4250 W07250 -
 S4240
W07300 - S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 12HR: 20/0000Z SFC/FL080 S4250 W07239 - S4300 W07240 -
 S4330
W07239 - S4300 W07340 - S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 18HR: 20/0600Z SFC/FL080 S4250 W07239 - S4310 W07220 -
 S4400
W07330 - S4320 W07330 - S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
FCST ASH CLD + 24HR: 20/1200Z SFC/FL080 S4250 W07239 - S4340 W07150 -
 S4330
W07230 - S4250 W07239
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
REMARKS: ASH IS NOT DETECTABLE BECAUSE OF CLD COVER
A WEAK COLUMN IS SEEN MIXED BY WATER VAPOR AND ASH
NEXT ADVISORY: 19/2030Z