FVXX20 KNES 211036 VOLCANIC ASH ADVISORY ISSUED: 2004NOV21/1036Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/549 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ACTIVITY BEGINNING AROUND 21/0322Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/240 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED CONTINUED ACTIVITY WITH AN ESTIMATED HEIGHT TO FL240 BACK AT 0422Z. NOTHING CAN BE SEEN IN IMAGERY DUE TO CLOUDS OVER THE REGION. ... NEXT ADVISORY: WILL BE ISSUED BY 2004NOV21/1630Z NNNN