FVXX21 KNES 211612 VOLCANIC ASH ADVISORY ISSUED: 20070321/1611Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 LOCATION: S0201 W07820 AREA: ECUADOR SUMMIT ELEVATION: 17159 FT (5230 M) ADVISORY NUMBER: 2007/058 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: OBSERVED ASH 20/1743Z. OBS ASH DATE/TIME: 21/1545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL220 MOVING TO SW 5-10 KNOTS. FCST ASH CLOUD +6H: 21/2200Z FCST ASH CLOUD +12H: 22/0400Z FCST ASH CLOUD +18H: 22/1000Z REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY. REPORTS OF ASH HAVE NOT BEEN RECIEVED SINCE YESTERDAY. IN MULTISPECTRAL IMAGERY A HOTSPOT HAS BEEN DETECTED THROUGHOUT THE MORNING. WE WILL CONTINUE TO MONITOR AND UPDATE IF FURTHER ACTIVITY OCCURS. ...SPAMPATA NEXT ADVISORY: NO FURTHER ADVISORIES