Subject: FVAG01 SABM 202000


FVAG01 SABM 202000                                              2009293 1951
VA ADVISORY
DTG: 20091020/2000Z
VAAC: BUENOS AIRES
VOLCANO: CHAITEN 1508-41
PSN: S4250 W07239
AREA: CHILE-S
SUMMIT ELEVATION: 962M
ADVISORY NUMBER: 2009/171
INFORMATION SOURCE: GOES 12 VIS SATELLITE IMAGERY AND WEBCAM
ERUPTION DETAILS: CONTINUOUS EMISSION
OBS ASH DATE/TIME:  20/1709Z GOES 12 VIS SATELLITE IMAGERY AND WEBCAM
OBS ASH CLOUD:  TOP FL060 MOV SE
FCST ASH CLD + 06HR: SFC/FL200 NO ASH EXP
FL200/350 NO ASH EXP
FL350/550 NO ASH EXP
REMARKS: 1709Z VIS IMAGERY REVEALS A THIN AND 07 NM WIDE ASH PLUME
 EXTENDING SE
OF THE VOLCANO TO 15NM
THE PLUME OF VA IS VERY LIGTH AND COULD BE MIXED WITH STEAM AND
 GASES. ASH IS
EXP TO DISSIPATE QUICKLY.
NEXT ADVISORY: FURTHER INFORMATION WILL BE ISSUED IF ANY ASH CLOUD IS
DETECTED/OBSERVED