FVXX21 KNES 211913 VA ADVISORY DTG: 20091221/1913Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 PSN: S0202 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2009/031 INFO SOURCE: GUAYAQUIL MWO. GOES-12. ERUPTION DETAILS: POSSIBLE ASH PLUME OBS VA DTG: 21/1845Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 22/0100Z FCST VA CLD +12HR: 22/0700Z FCST VA CLD +18HR: 22/1300Z RMK: ASH FROM THIS EMISSION IS NO LONGER OBSERVED IN IMAGERY. ...SCHWARTZ NXT ADVISORY: NO FURTHER ADVISORIES NNNN